Final Storm Information for December 27-28 2016

Wednesday Afternoon At Grand Targhee Ski Resort

National Weather Service Riverton WY
450 PM MST Wed Dec 28 2016

...Final Storm Information for December 27-28.

The following are snowfall reports received from the most recent
winter storm across western Wyoming.  Most of the snow totals fell
on Tuesday, December 27th.  

***** Snowfall Reports *****

Location                              Snowfall

Lincoln County...
 Blind Bull Summit...                13 inches.
 Box Y Ranch...                      10 inches.
 Blind Bull Summit Snotel...          8 inches.
 Commissary Ridge...                  8 inches.
 Star Valley Ranch...                 6 inches.
 Alpine...                          5.5 inches.
 Indian Creek Snotel...               5 inches.
 Willow Creek Snotel...               4 inches.
 Cottonwood Creek Snotel...           4 inches.
 Hams Fork Snotel...                  4 inches.
 Spring Creek Divide Snotel...        4 inches.
 Kelley Ranger Station Snotel...      3 inches.
 Salt River Summit Snotel...          2 inches.



Fremont County...
 South Pass Snotel...                 8 inches.
 Deer Park Snotel...                  6 inches.
 Brooks Lake...                       4 inches.
 Burroughs Creek Snotel...            3 inches.
 Castle Creek Snotel...               3 inches.
 Cold Springs Snotel...               1 inch.
 Hobbs Park Snotel...                 1 inch.
 Little Warm Snotel...                1 inch.


Park County...
 Younts Peak Snotel...                3 inches.
 Evening Star Snotel...               3 inches.
 Wolverine Snotel...                  2 inches.
 Beartooth Lake Snotel...             2 inches.
 Blackwater Snotel...                 1 inch.
 Kirwin Snotel...                     1 inch.

Sublette County...
 Loomis Park Snotel...                8 inches.
 Snider Basin Snotel...               6 inches.
 Kendall Ranger Station Snotel...     6 inches.
 Bondurant...                       5.3 inches.
 Triple Peak Snotel...                5 inches.
 New Fork Lake Snotel...              4 inches.
 Larsen Creek Snotel...               4 inches.
 Big Sandy Opening Snotel...          4 inches.
 Elkhart Park G.S. Snotel...          4 inches.
 East Rim Divide Snotel...            3 inches.
 Gunsite Pass Snotel...               1 inch.
 Daniel Fish Hatchery...              1 inch.

Teton County...
 Grassy Lake Snotel...               14 inches.
 Jackson Hole - Rendezvous Bowl...   12 inches.
 Grand Targhee - Chief Joseph...     11 inches.
 Jackson Hole - Raymer...            11 inches.
 Grand Targhee Snotel...             10 inches.
 Jackson Hole - Mid Mountain...      10 inches.
 Togwotee Mountain Lodge...           8 inches.
 Base Camp Snotel...                  6 inches.
 Granite Creek Snotel...              6 inches.
 Phillips Bench Snotel...             5 inches.
 Snake River Stn Snotel...            5 inches.
 Jackson Hole - Base...               5 inches.
 Snow King...                         5 inches.
 2 NE Teton Village...                4 inches.
 Togwotee Pass Snotel...              4 inches.
 Gros Ventre Summit Snotel...         3 inches.
 Jackson...                           3 inches.
 Darwin Ranch...                      2 inches.
 1 NNW Alta...                        1 inch.

Yellowstone National Park...
 Lewis Lake Divide Snotel...         10 inches.
 Thumb Divide Snotel...               3 inches.
 Canyon Snotel...                     2 inches.
 Parker Peak Snotel...                2 inches.
 Sylvan Lake Snotel...                2 inches.
 Sylvan Road Snotel...                2 inches.
 Snake River Ranger Station...      1.2 inches.

WINTER STORM WARNING IN EFFECT FROM 11 AM TUESDAY TO 5 PM MST WEDNESDAY

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
940 PM MST MON DEC 26 2016

...SNOW AND WIND RETURNING TO THE WESTERN MOUNTAINS AND VALLEYS
TOMORROW AND WEDNESDAY...

.A PACIFIC SYSTEM APPROACHING FROM THE WEST WILL BRING MODERATE TO
HEAVY SNOW TO MANY AREAS ACROSS WESTERN WYOMING. IN
ADDITION...STRONG WINDS WILL CONTINUE RESULTING IN CONSIDERABLE
BLOWING AND DRIFTING OF THE SNOW.


STAR VALLEY-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
940 PM MST MON DEC 26 2016

...WINTER STORM WARNING IN EFFECT FROM 11 AM TUESDAY TO 5 PM MST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM
11 AM TUESDAY TO 5 PM MST WEDNESDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...SNOW WILL DEVELOP LATER TUESDAY MORNING AND CONTINUE
  THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOW WILL LIKELY BE
  TUESDAY NIGHT AND EARLY WEDNESDAY.

* SNOWFALL...4 TO 8 INCHES WITH THE HEAVIER AMOUNTS ON THE NORTH
  END OF THE VALLEY.

* WIND AND VISIBILITY...SOUTH WIND INCREASING TO 20 TO 30 MPH WITH
  GUSTS TO 45 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE
  QUARTER MILE AT TIMES IN SNOW AND BLOWING SNOW.

* MAIN IMPACT...SNOW AND BLOWING SNOW WILL CREATE VERY LIMITED
  VISIBILITY AT TIMES. ROADS WILL BECOME SLICK AND SNOW COVERED
  WITH DRIFTING SNOW CREATING DRIFTS ACROSS THE ROAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR
BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD,
WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY
DIALING 5 1 1.

SNOWFALL TOTALS FROM THE CHRISTMAS WEEKEND STORM

Public Information Statement
National Weather Service Riverton WY
245 PM MST Mon Dec 26 2016


*** SNOWFALL TOTALS FROM THE CHRISTMAS WEEKEND STORM ***

Please note that this list may not include some locations
across the region. Due to the holiday weekend, some stations
did not file a report.

Location                              Snowfall

Lincoln County...
 5 SSE Smoot...                       8 inches.
 Star Valley Ranch...               7.2 inches.
 Kelley Ranger Station Snotel...      7 inches.
 Indian Creek Snotel...               6 inches.
 Blind Bull Summit Snotel...          6 inches.
 Salt River Summit Snotel...          5 inches.
 Cottonwood Creek Snotel...           4 inches.
 2 SE Thayne...                       4 inches.
 Fossil Butte...                    3.5 inches.
 Spring Creek Divide Snotel...        3 inches.
 Willow Creek Snotel...               3 inches.
 Hams Fork Snotel...                  3 inches.
 Afton...                           2.7 inches.
 Commissary Ridge...                  1 inch.
 Blind Bull Summit...                 1 inch.
 Box Y Ranch...                     0.1 inches.



Big Horn County...
 Bone Springs Divide Snotel...        6 inches.
 Bald Mountain Snotel...              6 inches.
 9 ENE Greybull...                  5.1 inches.
 2 SSW Lovell...                      2 inches.

Fremont County...
 Deer Park Snotel...                 12 inches.
 6 N Riverton...                    9.8 inches.
 South Pass Snotel...                 9 inches.
 Lander...                   3.5 To 5.5 inches.
 Townsend Creek Snotel...             5 inches.
 Castle Creek Snotel...               4 inches.
 Lander...                            4 inches.
 Hobbs Park Snotel...                 4 inches.
 Jeffrey City...                      4 inches.
 6 SW Lander...                     3.6 inches.
 7 SE Lander...                     3.5 inches.
 7 WNW Lander...                    3.2 inches.
 Burroughs Creek Snotel...            3 inches.
 St. Lawrence Alt Snotel...           3 inches.
 Atlantic City...                   2.7 inches.
 Cold Springs Snotel...               2 inches.
 Little Warm Snotel...                2 inches.
 Dubois...                            1 inch.
 Burris...                          0.5 inches.
 Brooks Lake...                     0.1 inches.

Hot Springs County...
 9 NE Thermopolis...                6.4 inches.
 Kirby...                           6.3 inches.
 Owl Creek Snotel...                  3 inches.

Johnson County...
 17 NNW Kaycee...                   7.2 inches.
 Cloud Peak Reservoir Snotel...       6 inches.
 17 E Kaycee...                       4 inches.
 Hansen Sawmill Snotel...             4 inches.
 Little Goose Snotel...               3 inches.
 Soldier Park Snotel...               3 inches.
 Bear Trap Meadow Snotel...           2 inches.


Natrona County...
 Casper...                    7 To 10.5 inches.
 Powder River...                    9.5 inches.
 10 WSW Casper...                     9 inches.
 4 WSW Casper...                    8.2 inches.
 Paradise Valley...                   7 inches.
 Grave Spring Snotel...               2 inches.

Park County...
 3 NE Sunshine...                     4 inches.
 2 WSW Cody...                        3 inches.
 Kirwin Snotel...                     3 inches.
 Cody...                            2.8 inches.
 4 ENE Powell...                    2.5 inches.
 26 SW Cody...                        2 inches.
 4 SE Cody...                       1.8 inches.
 Timber Creek Snotel...               1 inch.
 Pahaska...                           1 inch.
 Powell...                          0.7 inches.

Sublette County...
 14 NW Pinedale...                 13.5 inches.
 East Rim Divide Snotel...           12 inches.
 Loomis Park Snotel...               11 inches.
 Larsen Creek Snotel...               9 inches.
 New Fork Lake Snotel...              8 inches.
 Elkhart Park G.S. Snotel...          8 inches.
 Big Sandy Opening Snotel...          7 inches.
 Kendall Ranger Station Snotel...     6 inches.
 Triple Peak Snotel...                6 inches.
 Daniel Fish Hatchery...            5.5 inches.
 Gunsite Pass Snotel...               5 inches.
 Pinedale...                        4.2 inches.
 Snider Basin Snotel...               4 inches.

Sweetwater County...
 4 NNW Rock Springs...              0.3 inches.
 5 N Farson...                      0.2 inches.

Teton County...
 5 NW Jackson...                     16 inches.
 2 SW Wilson...                      15 inches.
 Phillips Bench Snotel...            13 inches.
 2 NE Teton Village...             11.3 inches.
 Granite Creek Snotel...              9 inches.
 Gros Ventre Summit Snotel...         7 inches.
 Snake River Stn Snotel...            5 inches.
 Grassy Lake Snotel...                5 inches.
 Jackson Dam...                     4.7 inches.
 12 NE Jackson...                   4.5 inches.
 Darwin Ranch...                    4.5 inches.
 Grand Targhee Snotel...              4 inches.
 1 NNW Alta...                        4 inches.
 Moose...                             3 inches.
 Base Camp Snotel...                  3 inches.
 Jackson...                         2.5 inches.
 Togwotee Pass Snotel...              2 inches.
 Jackson Hole - Base...               2 inches.
 Jackson Hole - Rendezvous Bowl...    2 inches.
 Jackson Hole - Mid Mountain...       1 inch.
 Jackson Hole - Raymer...             1 inch.
 Snow King...                         1 inch.
 Grand Targhee - Chief Joseph...      1 inch.
 Togwotee Mountain Lodge...         0.1 inches.

Washakie County...
 Ten Sleep...                        11 inches.
 4 N Ten Sleep...                  10.5 inches.
 16 SSE Ten Sleep...                  9 inches.
 27 S Ten Sleep...                  6.5 inches.
 Middle Powder Snotel...              4 inches.
 Winchester...                        4 inches.
 Powder River Pass Snotel...          3 inches.

Yellowstone National Park...
 Lewis Lake Divide Snotel...          5 inches.
 Thumb Divide Snotel...               5 inches.
 Snake River Ranger Station...      4.1 inches.
 Tower Falls Ranger Station...      4.1 inches.
 Yellowstone East Entrance...         2 inches.
 Canyon Snotel...                     2 inches.
 Sylvan Lake Snotel...                2 inches.
 Parker Peak Snotel...                1 inch.
 Lamar Ranger Station...            0.4 inches.

WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1044 AM MST MON DEC 26 2016

...STRONG WIND AND BLOWING SNOW OVER SOUTH PASS...
...SIGNIFICANT SNOW AND WIND ACROSS THE FAR WEST MOUNTAINS AND
VALLEYS DEVELOPING TUESDAY MORNING AND CONTINUING THROUGH
WEDNESDAY AFTERNOON...

.INCREASING WEST WIND AND FRESH SNOW COVER WILL RESULT IN
CONSIDERABLE BLOWING SNOW AND VERY STRONG WINDS OVER SOUTH PASS
BEGINNING THIS AFTERNOON THROUGH TUESDAY NIGHT. THE STRONGEST
WINDS ARE EXPECTED LATER TONIGHT THROUGH TUESDAY. A MAJOR WINTER
STORM WILL IMPACT THE FAR WEST MOUNTAINS AND VALLEYS TUESDAY
THROUGH WEDNESDAY WITH SNOW AND STRONG WIND.

STAR VALLEY-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
1044 AM MST MON DEC 26 2016

...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON.

* TIMING...SNOW WILL DEVELOP LATER TUESDAY MORNING AND CONTINUE
  THROUGH WEDNESDAY AFTERNOON. THE HEAVIEST SNOW WILL LIKELY BE
  TUESDAY NIGHT.

* SNOWFALL...5 TO 9 INCHES WITH THE HEAVIER AMOUNTS ON THE NORTH
  END OF THE VALLEY INCLUDING ALPINE...BEDFORD...STAR VALLEY
  RANCH...THAYNE AND ETNA.

* WIND AND VISIBILITY...SOUTH WIND 20 TO 30 MPH TUESDAY AFTERNOON
  AND 25 TO 35 MPH WITH GUSTS TO 45 MPH TUESDAY NIGHT AND
  WEDNESDAY. VISIBILITY WILL BE REDUCED TO UNDER ONE QUARTER MILE
  AT TIMES IN SNOW AND BLOWING SNOW.

* MAIN IMPACT...SNOW AND BLOWING SNOW WILL CREATE VERY LIMITED
  VISIBILITY AT TIMES AS WINDS AND SNOW INCREASE LATER TUESDAY
  INTO TUESDAY NIGHT. ROADS WILL BECOME SLICK AND SNOW COVERED
  WITH DRIFTING SNOW CREATING DRIFTS ACROSS THE ROAD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

White Christmas

Old Faithful Saturday morning

It will be a White Christmas weekend across all of Western Wyoming.  However

the most intense portion of the current storm will be

passing to the south and east of Western Wyoming.  Thus winds will not be

a particular concern and the snow should remain generally on the light

side.  Roads will become snow packed expect for below about 6000 feet where

temperatures near freezing today will allow for some melting, on 

more traveled highways until later tonight when colder air will move in.

The following Special Weather Statement from Riverton Forecast Office sums 

up the weekend weather. 

Special Weather Statement

National Weather Service Riverton WY
149 AM MST Sat Dec 24 2016


Yellowstone National Park-Absaroka Mountains-
Teton and Gros Ventre Mountains-Jackson Hole-Star Valley-
Including the cities of...Lake...Mammoth...Old Faithful...
Jackson...Afton...Alpine...Star Valley Ranch...Thayne
149 AM MST Sat Dec 24 2016

...Snow for today and Christmas Day...

Snow is expected to develop this morning and continue at times
through Christmas Day. Snowfall amounts will vary from 2 to 4
inches across the lower elevations with 4 to 8 inches in the
mountains. Snow will decrease during the afternoon Christmas, but
will be light and continue through the overnight hours over the
higher elevations.

Christmas travellers should expect snow, cold temperatures and
areas of poor visibility in snow and blowing snow.

WINTER STORM WARNING SOUTHEAST IDAHO BEGINNING FRIDAY AFTERNOON

NATIONAL WEATHER SERVICE POCATELLO ID
221 PM MST THU DEC 22 2016


UPPER SNAKE HIGHLANDS-CARIBOU HIGHLANDS-
CACHE VALLEY/IDAHO PORTION-WASATCH MOUNTAINS/IDAHO PORTION-
INCLUDING THE CITIES OF...ST. ANTHONY...ASHTON...ISLAND PARK...
DRIGGS...VICTOR...HENRY...SODA SPRINGS...DOWNEY...
LAVA HOT SPRINGS...PRESTON...MONTPELIER
221 PM MST THU DEC 22 2016

... REMAINS IN EFFECT FROM NOON FRIDAY TO
5 PM MST SUNDAY...

* IMPACTS...A LARGE WINTER STORM MAY PRODUCE WIDESPREAD TRAVEL
  DIFFICULTIES OVER THE HOLIDAY WEEKEND. ICY AND SNOWPACKED
  ROADS ARE POSSIBLE. ISOLATED ROAD CLOSURES ARE POSSIBLE.

* TIMING...LIGHT SNOW WILL BEGIN FRIDAY AFTERNOON. SEVERAL
  ROUNDS OF HEAVY SNOW ARE LIKELY BEGINNING FRIDAY NIGHT WHICH
  WILL PERSIST THROUGH SUNDAY. THERE WILL BE BREAKS IN THE SNOW.
  SOME RAIN MAY MIX WITH THE SNOW SATURDAY AFTERNOON AT LOWER
  ELEVATIONS BEFORE CHANGING BACK TO ALL SNOW SATURDAY NIGHT
  WHICH MAY AFFECT FORECAST SNOW AMOUNTS.

* SNOW ACCUMULATIONS...6 TO 12 INCHES BY SATURDAY EVENING AT
  PASS LEVEL WITH 4 TO 8 INCHES AT VALLEY FLOORS. AN ADDITIONAL
  3 TO 7 INCHES IS POSSIBLE ON CHRISTMAS DAY.

* CONFIDENCE...MEDIUM CONFIDENCE ON TIMING AND AMOUNTS. ONSET OF
  PRECIPITATION COULD BE A LITTLE SLOWER AND MAY NOT BEGIN UNTIL
  LATE FRIDAY NIGHT. AMOUNTS AT VALLEY FLOORS MAY BE SLIGHTLY
  LOWER.

* LOCATIONS...PRESTON... MONTPELIER... SODA SPRINGS... INKOM...
  MCCAMMON... DRIGGS... ASHTON... ISLAND PARK... ST. ANTHONY...
  DUBOIS... MONIDA PASS... TARGHEE PASS... PINE CREEK PASS...
  FISH CREEK SUMMIT... GEORGETOWN SUMMIT... EMIGRATION PASS...
  GENEVA SUMMIT... BORDER SUMMIT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET
OR ICE IS EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.
THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

Snow Returning to Western Wyoming

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1250 PM MST MON DEC 19 2016

...SNOW AND STRONG WINDS HEADED FOR WESTERN WYOMING MIDNIGHT TONIGHT
THROUGH MIDNIGHT TUESDAY NIGHT...

.A VERY STRONG AND MOIST PACIFIC STORM SYSTEM WILL BRING SNOW AND
STRONG WINDS TO THE WEST THIS EVENING. BY MIDNIGHT MODERATE TO
HEAVY SNOW IS EXPECTED WITH STRONG WIND GUSTS TO 55 MPH ON THE
MOUNTAIN PASSES AND HIGHER RIDGES. SNOW AND STRONG WIND WILL
CONTINUE THROUGH TUESDAY AND TUESDAY EVENING THEN RAPIDLY DECREASE
AROUND MIDNIGHT TUESDAY NIGHT AS THE MAIN TROUGH PASSES EAST OF
THE AREA. SNOWFALL OF 10 TO 20 INCHES IS EXPECTED IN THE TETONS
WITH 8 TO 12 INCHES IN THE OTHER WESTERN MOUNTAIN RANGES.
SIGNIFICANT BLOWING AND DRIFTING SNOW IS EXPECTED WITH NEAR ZERO
VISIBILITY AT TIMES.


STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
1250 PM MST MON DEC 19 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT MST TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM MIDNIGHT TONIGHT TO MIDNIGHT MST TUESDAY NIGHT.

* TIMING...SNOW AND STRONG WINDS WILL INCREASE THROUGH THE
  EVENING. AROUND MIDNIGHT MODERATE TO HEAVY SNOW WILL BECOME
  WIDESPREAD WITH STRONG WINDS GUSTING TO 55 MPH ON THE MOUNTAIN
  PASSES. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL REDUCE
  VISIBILITY TO NEAR ZERO AT TIMES. THE SNOW AND WIND IS EXPECTED
  TO CONTINUE THROUGH TUESDAY EVENING THEN TAPER OFF AROUND
  MIDNIGHT.

* SNOWFALL...6 TO 12 INCHES OF SNOW IS EXPECTED IN THE WYOMING AND
  SALT RIVER RANGES WITH 3 TO 6 INCHES IN THE STAR VALLEY.

* WIND AND VISIBILITY...WEST WINDS OF 20 TO 30 MPH WITH GUSTS AS
  HIGH AS 55 MPH WILL CAUSE BLOWING AND DRIFTING SNOW WITH NEAR
  ZERO VISIBILITY AT TIMES ON SALT RIVER PASS.

* MAIN IMPACT...ROADS WILL BECOME SLICK AND SNOW PACKED AND LOW
  VISIBILITY WILL MAKE DRIVING DIFFICULT WITH NEAR ZERO
  VISIBILITY.

* OTHER IMPACTS...OUTDOOR ACTIVITY WILL BECOME VERY DIFFICULT
  WITH THE STRONG WIND INCREASING THE CHANCES FOR HYPOTHERMIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS PERIODS
OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR
SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN,
AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST
ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1.

Final Snowfall Totals from Dec 14-17th and Bitter Cold minimums on December 17th

Storm Total Snowfall Amounts from December 14th-17th and Minimum Temperatures on December 17th

Public Information Statement National Weather Service Riverton WY 620 PM MST Sat Dec 17 2016 ...Final Storm Information for December 14-17, 2016... The following are storm total snowfall reports from the afternoon of Wednesday, December 14th through Saturday morning, December 17th. Most snow across the area had ended by midnight Friday night. Frigid temperatures followed Saturday morning with readings as cold as 45 degrees below zero. The colder minimum temperatures are listed below. ***** Snowfall Reports ***** Location Snowfall Lincoln County... Blind Bull Summit... 25 inches. Indian Creek Snotel... 25 inches. Spring Creek Divide Snotel... 20 inches. Commissary Ridge... 18 inches. Willow Creek Snotel... 18 inches. Kelley Ranger Station Snotel... 16 inches. Cottonwood Creek Snotel... 15 inches. Salt River Summit Snotel... 13 inches. 5 SSE Smoot... 9 inches. Hams Fork Snotel... 9 inches. Box Y Ranch... 8 inches. Star Valley Ranch... 6.5 inches. 3 SE Bedford... 5 inches. Afton... 4.8 inches. 2 SE Thayne... 4.5 inches. Smoot... 3 inches. Fossil Butte... 3 inches. Big Horn County... 2 SSW Lovell... 10.5 inches. Lovell... 8.5 inches. Bald Mountain Snotel... 8 inches. Bone Springs Divide Snotel... 7 inches. Shell Creek Snotel... 6 inches. 9 ENE Greybull... 5 inches. Hyattville... 5 inches. 9 NNW Shell... 4.7 inches. Greybull... 3.3 inches. Basin... 3 inches. Deaver... 3 inches. Fremont County... South Pass Snotel... 28 inches. Deer Park Snotel... 27 inches. Burroughs Creek Snotel... 19 inches. Atlantic City... 18.1 inches. Brooks Lake... 18 inches. Hobbs Park Snotel... 17 inches. Castle Creek Snotel... 15 inches. Little Warm Snotel... 13 inches. Dubois... 11.5 inches. Cold Springs Snotel... 11 inches. 9 SSE Lander... 11 inches. Townsend Creek Snotel... 9 inches. 9 SSE Lander... 6.6 inches. 6 SW Lander... 5.6 inches. Hudson... 5 inches. Lander Airport... 4.9 inches. Lander... 4.8 inches. 7 SE Lander... 4.6 inches. Riverton Airport... 4.1 inches. Jeffrey City... 4 inches. 1 SE Lander... 4 inches. Riverton... 3.5 inches. 2 W Riverton... 3.5 inches. St. Lawrence Alt Snotel... 3 inches. 9 NW Riverton... 2 inches. Burris... 0.6 inches. Hot Springs County... Owl Creek Snotel... 5 inches. Thermopolis... 2.8 to 3.5 inches. Kirby... 3.4 inches. 9 NE Thermopolis... 1.8 inches. Johnson County... Buffalo... 7 to 10 inches. 4 SSW Buffalo... 7 inches. Buffalo... 6.5 inches. Little Goose Snotel... 6 inches. Cloud Peak Reservoir Snotel... 6 inches. Hansen Sawmill Snotel... 5 inches. Soldier Park Snotel... 5 inches. 17 NNW Kaycee... 3.3 inches. 7 NE Buffalo... 3 inches. 17 E Kaycee... 2.5 inches. Bear Trap Meadow Snotel... 2 inches. Natrona County... Casper Mountain... 12 inches. 1 S Casper... 10.2 inches. 5 SSW Casper... 9 inches. 10 WSW Casper... 8.6 inches. 3 WSW Casper... 8.1 inches. Powder River... 8 inches. 4 WSW Casper... 7.4 inches. Casper... 7 inches. Casper Airport... 5.6 inches. 4 SW Casper... 4.3 inches. Grave Spring Snotel... 3 inches. Midwest... 3 inches. Park County... Pahaska... 28 inches. 1 ENE Wapiti... 27 inches. Beartooth Lake Snotel... 27 inches. Blackwater Snotel... 24 inches. Evening Star Snotel... 23 inches. Wapiti... 22 inches. Younts Peak Snotel... 19 inches. Cody... 12.4 to 17.5 inches. Kirwin Snotel... 17 inches. Wolverine Snotel... 11 inches. 5 ESE Cody... 9.5 inches. 2 WSW Cody... 9 inches. 3 NE Clark... 8.5 inches. 4 SE Cody... 8 inches. 26 SW Cody... 7 inches. Marquette Snotel... 6 inches. 5 WSW Meeteetse... 5 inches. Timber Creek Snotel... 5 inches. 4 SW Powell... 4.8 inches. 4 ENE Powell... 4.2 inches. 3 NE Sunshine... 3.6 inches. Powell... 3.5 inches. Sublette County... Triple Peak Snotel... 24 inches. Loomis Park Snotel... 23 inches. Larsen Creek Snotel... 20 inches. Bondurant... 17.5 inches. Big Sandy Opening Snotel... 17 inches. Kendall Ranger Station Snotel... 17 inches. Gunsite Pass Snotel... 15 inches. Snider Basin Snotel... 10 inches. East Rim Divide Snotel... 10 inches. Elkhart Park G.S. Snotel... 9 inches. Daniel Fish Hatchery... 9 inches. New Fork Lake Snotel... 7 inches. 26 NNW Pinedale... 7 inches. Pinedale... 2.9 inches. Boulder Rearing Station... 1 inch. 14 NW Pinedale... 0.3 inches. Sweetwater County... 5 N Farson... 1.5 inches. Green River... 0.9 to 1.5 inches. Rock Springs... 0.6 to 1.2 inches. 4 NNW Rock Springs... 1.1 inches. Buckboard Marina... 1 inch. 7 SE Rock Springs... 1 inch. Teton County... Grassy Lake Snotel... 31 inches. Jackson Hole - Raymer... 31 inches. Jackson Hole - Rendezvous Bowl... 30 inches. Jackson Hole - Mid Mountain... 28 inches. Grand Targhee - Chief Joseph... 24 inches. Togwotee Pass Snotel... 24 inches. Snake River Stn Snotel... 24 inches. Phillips Bench Snotel... 22 inches. Togwotee Mountain Lodge... 22 inches. Granite Creek Snotel... 21 inches. Snow King... 21 inches. 3 SSW Wilson... 19 inches. Jackson Dam... 18.5 inches. Base Camp Snotel... 18 inches. Jackson Hole - Base... 11 inches. Gros Ventre Summit Snotel... 11 inches. Moose... 10.4 inches. Darwin Ranch... 8 inches. 2 NE Teton Village... 7 inches. 12 NE Jackson... 6 inches. 1 NNW Alta... 6 inches. 5 NW Jackson... 5 inches. Jackson... 4.3 inches. 9 SW Jackson... 2 inches. Washakie County... Ten Sleep... 4.5 inches. 5 NNW Ten Sleep... 4.2 inches. 27 S Ten Sleep... 3.2 inches. 16 SSE Ten Sleep... 3 inches. Powder River Pass Snotel... 3 inches. Winchester... 2 inches. 8 SW Worland... 2 inches. Middle Powder Snotel... 1 inch. Yellowstone National Park... Lewis Lake Divide Snotel... 32 inches. Snake River Ranger Station... 30.6 inches. Old Faithful Ranger Station... 28 inches. Two Ocean Plateau Snotel... 25 inches. Thumb Divide Snotel... 25 inches. Sylvan Road Snotel... 22 inches. Parker Peak Snotel... 22 inches. Lamar Ranger Station... 20.7 inches. Canyon Snotel... 19 inches. Tower Falls Ranger Station... 16 inches. Sylvan Lake Snotel... 16 inches. ***** Low Temperature Reports ***** Location Temp Time/Date Elevation (ft.) 14 ENE Dubois -45 F 0815 AM 12/17 7365 Lamar Ranger Station -41 F 0830 AM 12/17 6555 3 NE Clark -40 F 0800 AM 12/17 4090 Old Faithful -40 F 0815 AM 12/17 7320 9 E Tower Junction -39 F 0730 AM 12/17 7266 NE Entrance Yellowstone -39 F 0815 AM 12/17 7360 1 W Grant Village -38 F 0820 AM 12/17 7874 Old Faithful -37 F 0830 AM 12/17 7350 1 SW Canyon -37 F 0749 AM 12/17 7900 Natrona -37 F 0725 AM 12/17 5589 Dubois -36 F 0600 AM 12/17 6955 Tower Falls -36 F 1030 AM 12/17 6266 19 SSW Wapiti -35 F 0830 AM 12/17 6200 18 WNW Buffalo -34 F 0745 AM 12/17 8580 13 NE Ten Sleep -33 F 0840 AM 12/17 8038 Burris -32 F 0730 AM 12/17 6120 6 NW Dubois -32 F 0845 AM 12/17 7189 2 S Riverton -32 F 0800 AM 12/17 4901 Wind River Above Red Creek -32 F 0800 AM 12/17 6400 Dubois Airport -31 F 0755 AM 12/17 7297 20 SW Echeta -31 F 0745 AM 12/17 4068 6 SW Meeteetse -31 F 0655 AM 12/17 6238 Independence Rock -31 F 0815 AM 12/17 5920 Casper Airport -30 F 1053 AM 12/17 5320 Thermopolis 9 NE -29 F 0700 AM 12/17 4280 Crandall -29 F 0812 AM 12/17 6640 Crowheart -29 F 0716 AM 12/17 6099 1 W Clark -29 F 0736 AM 12/17 4270 4 W South Entrance Ynp -29 F 0845 AM 12/17 7040 11 W Crowheart -28 F 0815 AM 12/17 6520 Lake Yellowstone -28 F 1056 AM 12/17 7835 Tensleep -28 F 0700 AM 12/17 4680 2 W Pitchfork -28 F 0530 AM 12/17 6883 20 SW Cody -27 F 0645 AM 12/17 5843 Hudson -27 F 0630 AM 12/17 5090 1 N Lake -27 F 0800 AM 12/17 7954 9 W Canyon -27 F 0800 AM 12/17 7686 Old Faithful -27 F 0800 AM 12/17 7481 5 ENE Tower Junction -27 F 0800 AM 12/17 6312 Cowley Airport -27 F 0735 AM 12/17 4090 5 ESE Story -26 F 0706 AM 12/17 4673 Midwest -26 F 1000 AM 12/17 4860 Pahaska -26 F 0700 AM 12/17 6696 Wapiti - Coop -26 F 0200 PM 12/17 5640 Worland Airport -26 F 1053 AM 12/17 4245 Casper -26 F 0800 AM 12/17 5399 Buffalo Bill Reservoir -25 F 0215 AM 12/17 5357 1 E Buffalo -25 F 0710 AM 12/17 4727 8 SE Evansville -25 F 0800 AM 12/17 5592 Fort Washakie -25 F 0730 AM 12/17 5565 Greybull -25 F 0958 AM 12/17 3860 2 SE Hiland -25 F 0546 AM 12/17 6134 7 W Alcova -25 F 0750 AM 12/17 6342 Lander -25 F 0630 AM 12/17 5320 Riverton - CWC -25 F 0811 AM 12/17 5372 Casper Outer Drive -25 F 0831 AM 12/17 5463 Atlantic City - Coop -24 F 0815 AM 12/17 7714 7 NE Buffalo -24 F 0804 AM 12/17 4370 12 ENE Ten Sleep -24 F 0614 AM 12/17 8202 10 WNW Cody -24 F 0240 AM 12/17 8401 Big Piney Airport -23 F 1053 AM 12/17 6974 Cody Airport -23 F 0456 AM 12/17 5100 Lovell -23 F 0829 AM 12/17 3830 Midwest -23 F 0802 AM 12/17 4865 2 NW Mayoworth -23 F 0713 AM 12/17 5404 10 N Dubois -23 F 0757 AM 12/17 8085 7 NE Pinedale -23 F 0826 AM 12/17 8530 20 N Casper -23 F 0400 AM 12/17 5677 N Fork Popo Agie River -23 F 0630 AM 12/17 5760 6 SE Ten Sleep -23 F 0800 AM 12/17 4541 Riverton Airport -23 F 1053 AM 12/17 5525 Mammoth -23 F 0830 AM 12/17 6300 10 SE Crowheart -22 F 0830 AM 12/17 5654 10 W Dubois -22 F 0318 AM 12/17 8432 Kaycee -22 F 0746 AM 12/17 4681 Jeffrey City -22 F 0803 AM 12/17 6374 Ten Sleep -22 F 0840 AM 12/17 4470 Kirby -22 F 0735 AM 12/17 4350 2 WSW Cody -22 F 0807 AM 12/17 5167 Greybull Airport -22 F 0811 AM 12/17 3935 Lake Village -22 F 0745 AM 12/17 7875 19 WSW Dubois -22 F 0810 AM 12/17 8833 16 S Hiland -22 F 0610 AM 12/17 6380 18 NW Buffalo -22 F 0747 AM 12/17 8604 Worland -22 F 0744 AM 12/17 4052 Worland -22 F 0829 AM 12/17 4042 Basin -21 F 0801 AM 12/17 3884 Thermopolis -21 F 0805 AM 12/17 4426 Meeteetse -21 F 0804 AM 12/17 5797 Grand Targhee - Chief Joseph -21 F 0815 AM 12/17 8800 Hoyt Peak -21 F 0500 AM 12/17 9800 10 SW Kaycee -21 F 0830 AM 12/17 4900 Chief Joseph Hwy -21 F 0700 PM 12/16 8136 Lander Airport -21 F 1053 AM 12/17 5586 N. Fork Little Wind River -21 F 0845 AM 12/17 6120 South Entrance Ynp -21 F 0845 AM 12/17 6900 Snake River Ranger Station -21 F 0800 AM 12/17 6882 Bondurant -20 F 0800 AM 12/17 6650 Brooks Lake Lodge -20 F 0200 AM 12/17 9340 Buffalo Airport -20 F 1053 AM 12/17 4970 8 S Casper -20 F 0552 AM 12/17 7740 Cody - Coop -20 F 0928 AM 12/17 5085 Togwotee Mtn Lodge -20 F 0600 AM 12/17 9184 7 NW Lander -20 F 0751 AM 12/17 5797 5 S Of South Entrance Ynp -20 F 0900 AM 12/17 7020 30 E Greybull -20 F 0258 AM 12/17 8898 5 NE Canyon -20 F 0600 AM 12/17 9224 Pahaska -20 F 0415 AM 12/17 6800 Observations are collected from a variety of sources with varying equipment and exposures. Not all data listed are considered official.

Winter Storm Warning Star Valley until Friday Evening

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1012 AM MST FRI DEC 16 2016

...A MAJOR WINTER STORM WILL CONTINUE TO IMPACT WESTERN AND PARTS
OF CENTRAL WYOMING THROUGH THIS EVENING...

.AMPLE MOISTURE AND AN ARCTIC FRONT WILL COMBINE TO BRING SNOW...
HEAVY AT TIMES ALONG WITH GUSTY WINDS THAT WILL RESULT IN BLOWING
SNOW AND REDUCED VISIBILITIES. THE HEAVIEST SNOW IS EXPECTED
ACROSS THE MOUNTAINS AND FOOTHILL AREAS.



STAR VALLEY-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
1012 AM MST FRI DEC 16 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* TIMING...COLDER AIR IS SLOWLY WORKING BACK INTO THE STAR VALLEY
  AND REMAINING RAIN AREAS WILL LIKELY CHANGE TO ALL SNOW AGAIN
  TODAY WHILE OTHER HIGHER LOCATIONS SEE HEAVY SNOW AT TIMES.

* TOTAL SNOWFALL...6 TO 8 INCHES WITH LOCAL AMOUNTS OF 12 TO 18
  INCHES IN AND NEAR THE FOOTHILLS. THE HIGHER AMOUNTS WILL BE
  ON THE NORTH END OF THE VALLEY.

* WIND AND VISIBILITY...SOUTH 15 TO 25 MPH AND GUSTY AT TIMES.
  THIS WILL RESULT IN BLOWING AND DRIFTING SNOW WITH VISIBILITY
  DOWN TO ONE QUARTER OF A MILE AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD
  BE PREPARED FOR ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE
  PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND
OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD...
WATER... AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY
DIALING 5 1 1.

WYOMING RECORD LOW TEMPERATURE REVISITED

WYOMING RECORD LOW TEMPERATURE-Repost of blog from 11/19/12

Bison in Yellowstone NP at 40F below zero.

With potentially some of the coldest temperatures in some time  expected in Northwestern Wyoming this coming weekend, it is a good time to revisit the blog on the all-time record Wyoming low temperature. There is still uncertainty of the actual location where it occurred, as discussed  below.  

While the record is not expected to be reached this weekend, temperatures potentially could drop to -40F or lower in parts of Yellowstone National Park.  While recent weather records are typically quite accurate given the modern day instrumentation and GIS capabilities, errors are being found in some of the older ones.  

One of those is the Wyoming all-time coldest temperature.  There is a blog that addresses this and other very interesting global record cold sites.

 http://www.wunderground.com/blog/weatherhistorian/comment.html?entrynum=12

For many years there has been confusion surrounding the actual location of the Riverside Ranger Station that recorded a temperature of -66°F on Feb. 9, 1933. This figure has long been erroneously reported as the coldest temperature ever measured in Wyoming (See NCDC site for instance). The problem is that this (no longer existing) ranger station was actually located in the Montana section of Yellowstone National Park. It was situated where the town of West Yellowstone, Montana now resides.

The reason for this confusion originates from the fact that the Climatological Data by SectionsUSWB report for February 1933 includes Yellowstone National Park in its Wyoming section even though portions of the park, including the site of Riverside R.S., are in Montana and Idaho. If one looks at the station I.D. number (248857) on the Western Regional Climate Center’s station summaries lists we see that the site was established in 1924 (when the ranger station was established) and then continues at the same location in later years as “West Yellowstone, Montana”.

Also, I have personally(Christopher Burt the blogger) visited this area and investigated the location of the ranger station and can confirm that the site was in Montana when it was built in 1924 (by only 200 yards!). The actual record low for the state of Wyoming is -63°F at Moran on that same night of Feb. 9, 1933.

This map from 1929 shows the exact location of the Riverside Ranger Station. It is just sandwiched between the border of the national park (the large green border) and the border between Wyoming and Montana (the small dashed border). The name of the ranger station is not given, it just says "ranger station" but this is, in fact, the Riverside Ranger Station (named 'Riverside') because it is by the Madison River. One can understand the confusion of the location so far as being in Wyoming or Montana.

Update on Winter Storm Warning for Star Valley

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1231 PM MST THU DEC 15 2016

...A MAJOR WINTER STORM WILL CONTINUE TO IMPACT WESTERN AND PARTS
OF CENTRAL WYOMING TODAY SPREADING ACROSS THE REST OF THE AREA
LATER TONIGHT THROUGH FRIDAY EVENING...

.AMPLE AMOUNTS OF MOISTURE WILL CONTINUE TO STREAM ACROSS WESTERN
WYOMING TODAY. THIS WILL RESULT IN STEADY SNOWFALL THROUGH
FRIDAY...BEFORE AN ARCTIC FRONT MOVES OVER NORTHERN AND CENTRAL
PORTIONS ON FRIDAY. PERIODS OF HEAVY WET SNOW WILL FALL IN THE
MOUNTAINS...ESPECIALLY THE TETONS. STRONG WINDS WILL ALSO LEAD TO
SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE MOUNTAINS WITH
SEVERELY REDUCED VISIBILITIES AT TIMES. SIGNIFICANT SNOW WILL
ALSO OCCUR OVER THE BIGHORN MOUNTAINS THROUGH FRIDAY AS WELL AS
THE CODY FOOTHILLS. SNOW WILL BECOME WIDESPREAD EAST OF THE
DIVIDE LATER TONIGHT THROUGH FRIDAY EVENING...AS THE ARCTIC FRONT
SURGES SOUTHWARD.

STAR VALLEY-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...

THAYNE
1231 PM MST THU DEC 15 2016

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST FRIDAY...

* TIMING...ENOUGH WARM AIR HAS WORKED INTO THIS STORM THAT THERE
  WILL BE PERIODS OF RAIN OR RAIN AND SNOW MIXED ACROSS THE STAR
  VALLEY...ESPECIALLY THE LOWEST ELEVATIONS. OTHER HIGHER AREAS
  MAY STAY SNOW...HEAVY AT TIMES. SOME COLDER AIR WILL WORK IN ON
  FRIDAY. ALSO HEAVIER PRECIPITATION LATER THIS AFTERNOON AND
  TONIGHT MAY CHANGE OTHER AREAS TO A VERY HEAVY WET SNOW.

* TOTAL SNOWFALL...6 TO 8 INCHES WITH LOCAL AMOUNTS 12 TO 18 INCHES
  IN THE HIGHER SPOTS AND NEAR THE FOOTHILLS. THE HIGHER AMOUNTS
  WILL GENERALLY BE ON THE NORTH END OF THE VALLEY. ALPINE
  REPORTED 6 INCHES OVERNIGHT WITH 3 TO 4 INCHES AROUND THAYNE.

* WIND AND VISIBILITY...EXPECT A SOUTH WIND OF 15 TO 25 MPH AND
  GUSTY AT TIMES THROUGH EARLY FRIDAY MORNING. THIS WILL RESULT IN
  BLOWING AND DRIFTING SNOW... ALONG WITH LOWERED VISIBILITY DOWN
  TO ONE QUARTER OF A MILE AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD
  BE PREPARED FOR ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE
  PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND
OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD...
WATER... AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY
DIALING 5 1 1.

WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST FRIDAY ALL OF STAR VALLEY

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
155 PM MST WED DEC 14 2016

...A MAJOR WINTER STORM WILL IMPACT WESTERN WYOMING TODAY
SPREADING ACROSS THE REST OF THE AREA ON FRIDAY...

.A WARM FRONT WILL BRING AMPLE AMOUNTS OF MOISTURE ACROSS WESTERN
WYOMING THIS AFTERNOON. THIS WILL RESULT IN STEADY SNOWFALL
THROUGH FRIDAY...BEFORE AN ARCTIC FRONT MOVES OVER NORTHERN AND
CENTRAL PORTIONS ON FRIDAY. PERIODS OF HEAVY WET SNOW WILL FALL
IN THE MOUNTAINS...ESPECIALLY THE TETONS. STRONG WINDS WILL ALSO
LEAD TO SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE MOUNTAINS
WITH SEVERELY REDUCED VISIBILITIES AT TIMES. SIGNIFICANT SNOW
WILL ALSO OCCUR OVER THE BIGHORN MOUNTAINS TONIGHT AND FRIDAY.
SNOW WILL BECOME WIDESPREAD EAST OF THE DIVIDE FRIDAY...AS THE
ARCTIC FRONT SURGES SOUTHWARD.

STAR VALLEY-INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
155 PM MST WED DEC 14 2016

...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT UNTIL 5 PM MST
FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...PERIODS OF SNOW WILL OCCUR THROUGH FRIDAY. A BURST OF
  MODERATE SNOW IS EXPECTED LATE THIS AFTERNOON THROUGH THIS
  EVENING. A LULL OR LIGHTER SNOW IS THEN EXPECTED THE REMAINDER
  OF THE NIGHT. SNOW...HEAVY AT TIMES...WILL FALL THURSDAY THROUGH
  FRIDAY AFTERNOON. TEMPERATURES COULD RISE ENOUGH THAT THE LOWEST
  PARTS OF THE STAR VALLEY MIX WITH RAIN AT TIMES ON THURSDAY WHILE
  THE HIGHER LOCATIONS AND FOOTHILLS STAY SNOW. SIGNIFICANT
  PRECIPITATION IS EXPECTED DURING THIS PERIOD SO SOME VERY HEAVY
  SNOWFALL AMOUNTS ARE POSSIBLE WHERE IT STAYS SNOW FOR THE ENTIRE
  EVENT. SNOWFALL WILL QUICKLY END FRIDAY EVENING BEHIND AN ARCTIC
  FRONT.

* TOTAL SNOWFALL...6 TO 12 INCHES WITH LOCAL AMOUNTS UP TO 18
  INCHES IN THE HIGHER SPOTS AND NEAR THE FOOTHILLS. THE HIGHER
  AMOUNTS WILL GENERALLY BE ON THE NORTH END OF THE VALLEY.

* WIND AND VISIBILITY...THE WIND WILL BE INCREASING OVERNIGHT
  TONIGHT. EXPECT A SOUTH WIND OF 15 TO 25 MPH AND GUSTY AT TIMES THROUGH
  EARLY FRIDAY MORNING. THIS WILL RESULT IN BLOWING AND DRIFTING
  SNOW... ALONG WITH LOWERED VISIBILITY DOWN TO ONE QUARTER OF A
  MILE AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD
  BE PREPARED FOR ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE
  PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR
BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD,
WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY
DIALING 5 1 1.

A MAJOR WINTER STORM WILL IMPACT WESTERN WYOMING

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
332 AM MST WED DEC 14 2016

...A MAJOR WINTER STORM WILL IMPACT WESTERN WYOMING TODAY
SPREADING ACROSS THE REST OF THE AREA ON FRIDAY...

.A WARM FRONT WILL BRING AMPLE AMOUNTS OF MOISTURE ACROSS WESTERN
WYOMING THIS AFTERNOON. THIS WILL RESULT IN STEADY SNOWFALL
THROUGH FRIDAY...BEFORE AN ARCTIC FRONT MOVES OVER NORTHERN AND
CENTRAL PORTIONS ON FRIDAY. PERIODS OF HEAVY WET SNOW WILL FALL IN
THE MOUNTAINS...ESPECIALLY THE TETONS. STRONG WINDS WILL ALSO LEAD
TO SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE MOUNTAINS WITH
SEVERELY REDUCED VISIBILITIES AT TIMES. SIGNIFICANT SNOW WILL ALSO
OCCUR OVER THE BIGHORN MOUNTAINS TONIGHT AND FRIDAY. SNOW WILL
BECOME WIDESPREAD EAST OF THE DIVIDE FRIDAY...AS THE ARCTIC FRONT
SURGES SOUTHWARD.


STAR VALLEY-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
332 AM MST WED DEC 14 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 5 PM MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM NOON TODAY TO 5 PM MST FRIDAY. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...PERIODS OF SNOW WILL OCCUR FROM THIS AFTERNOON THROUGH
  FRIDAY. MODERATE SNOW WILL BE POSSIBLE LATE THIS AFTERNOON AND
  EVENING AND AGAIN THURSDAY NIGHT INTO FRIDAY. RAIN MAY MIX WITH
  SNOW OR BRIEFLY CHANGE OVER TO RAIN DURING THE DAY THURSDAY. SNOWFALL
  WILL QUICKLY END FRIDAY EVENING BEHIND AN ARCTIC FRONT.

* TOTAL SNOWFALL...6 TO 9 INCHES.

* WIND AND VISIBILITY...THE WIND WILL BE INCREASING OVERNIGHT
  TONIGHT. EXPECT A SOUTHWEST WIND OF 15 TO 20 MPH THROUGH EARLY
  FRIDAY MORNING. THIS WILL RESULT IN BLOWING AND DRIFTING
  SNOW...ALONG WITH LOWERED VISIBILITY DOWN TO ONE QUARTER OF A
  MILE AT TIMES.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD
  BE PREPARED FOR ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE
  PROPER PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN, AND ALLOW
EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD
CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1.

.WINTER STORM WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 5 PM MST FRIDAY SOUTHEAST IDAHO

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
307 PM MST TUE DEC 13 2016

...WINTER STORM HEADLINES ARE IN EFFECT FROM WEDNESDAY AT 11 AM
MST THROUGH FRIDAY AT 5 PM MST....

.EXPECT SNOW TO RETURN TO SOUTHEAST IDAHO WEDNESDAY THROUGH
FRIDAY. ALL AREAS WILL RECEIVE SNOW TO START WITH INITIALLY WITH
VALLEYS RECEIVING 2 TO 4 INCHES OF SNOW WITH LOCALLY HIGHER
AMOUNTS BEFORE TURNING TO RAIN WEDNESDAY EVENING INTO THURSDAY
MORNING. 6 TO 12 INCHES OF MOUNTAIN SNOW WITH LOCALLY HIGHER
AMOUNTS ARE EXPECTED FOR MAINLY THE CENTRAL MOUNTAINS AND EASTERN
HIGHLANDS WEDNESDAY AFTERNOON THROUGH FRIDAY. EXTREMELY DIFFICULT
TRAVEL IS EXPECTED IN ALL LOCATIONS.


UPPER SNAKE HIGHLANDS-CARIBOU HIGHLANDS-
WASATCH MOUNTAINS/IDAHO PORTION-
INCLUDING THE CITIES OF...ST. ANTHONY...ASHTON...ISLAND PARK...
DRIGGS...VICTOR...HENRY...SODA SPRINGS...DOWNEY...
LAVA HOT SPRINGS...MONTPELIER
307 PM MST TUE DEC 13 2016

...WINTER STORM WARNING IN EFFECT FROM 11 AM WEDNESDAY TO 5 PM
MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW WHICH IS IN EFFECT FROM 11 AM
WEDNESDAY TO 5 PM MST FRIDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* IMPACTS...HEAVY SNOWFALL WILL ACCUMULATE ON ROADWAYS RESULTING
  IN SLICK SURFACES AND REDUCED VISIBILITY.

* TIMING...STARTING LATE MORNING ON WEDNESDAY TROUGH FRIDAY
  MORNING.

* SNOW ACCUMULATIONS...24 TO 30 INCHES OF SNOW WITH LOCALLY HIGHER
  AMOUNTS TO AROUND 36 INCHES MAINLY ABOVE 5500 TO 6000 FEET.
  LOWER ELEVATIONS WILL SEE RAIN ON THURSDAY AND WILL LIKELY ON
  SEE 4 TO 8 INCHES OF TOTAL SNOW.

* LOCATIONS...STANLEY...CLAYTON...ST. ANTHONY...ASHTON...ISLAND
  PARK...DRIGGS...VICTOR...MALAD CITY...OAKLEY... ROCKLAND...
  HENRY...SODA SPRINGS...DOWNEY...LAVA HOT SPRINGS...
  MONTPELIER... HAILEY...KETCHUM...BELLEVUE...ARCO... CHALLIS...
  MACKAY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. MODERATE TO STRONG
WINDS ARE LIKELY AS WELL CREATING AREAS OF BLOWING AND DRIFTING
SNOW. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL, KEEP AN
EXTRA FLASHLIGHT, FOOD AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY.

WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY AFTERNOON WESTERN WYOMING

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
242 PM MST TUE DEC 13 2016

...SIGNIFICANT SNOWFALL TO RETURN WEDNESDAY AFTERNOON THROUGH
FRIDAY FOR MUCH OF WESTERN WYOMING...
...SIGNIFICANT SNOW ALSO POSSIBLE IN THE NORTHERN BIGHORN
MOUNTAINS LATE WEDNESDAY NIGHT THROUGH FRIDAY...

.A WARM FRONT WILL BRING AMPLE AMOUNTS OF MOISTURE ACROSS WESTERN
WYOMING WEDNESDAY AFTERNOON. THIS WILL RESULT IN STEADY SNOWFALL
THROUGH FRIDAY...BEFORE AN ARCTIC FRONT MOVES OVER NORTHERN AND
CENTRAL PORTIONS ON FRIDAY. PERIODS OF HEAVY WET SNOW WILL FALL
IN THE MOUNTAINS...ESPECIALLY THE TETONS. STRONG WINDS WILL ALSO
LEAD TO SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE MOUNTAINS
WITH SEVERELY REDUCED VISIBILITIES AT TIMES. SIGNIFICANT SNOW
ALONG THE ARCTIC COLD FRONT AND APPROACHING STORM SYSTEM MAY ALSO
PRODUCE SIGNIFICANT SNOW IN THE NORTHERN BIGHORN MOUNTAINS.


STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
242 PM MST TUE DEC 13 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH FRIDAY AFTERNOON...

* TIMING...PERIODS OF SNOW WILL OCCUR FROM WEDNESDAY AFTERNOON
  THROUGH FRIDAY. LIGHT PERSISTENT SNOW WILL OCCUR IN THE STAR
  VALLEY THROUGH THE EVENT. MODERATE TO HEAVY SNOW WILL BE
  POSSIBLE IN THE MOUNTAINS WEDNESDAY NIGHT AND THURSDAY NIGHT.
  SNOWFALL WILL QUICKLY END SATURDAY MORNING BEHIND AN ARCTIC
  FRONT.

* TOTAL SNOWFALL...6 TO 9 INCHES IN THE STAR VALLEY. 1 TO 2 FEET
  POSSIBLE IN THE SALT AND WYOMING RANGES.

* WIND AND VISIBILITY...THE WIND WILL BE INCREASING THURSDAY.
  EXPECT A WEST TO SOUTHWEST WIND OF 20 TO 30 MPH WITH GUSTS TO
  45 MPH IN THE HIGH COUNTRY. IN THE VALLEY...A SOUTH WIND OF 15
  TO 20 MPH WILL BE COMMON. THIS WILL RESULT IN BLOWING AND
  DRIFTING SNOW...ALONG WITH LOWERED VISIBILITY DOWN TO ONE
  QUARTER OF A MILE AT TIMES. SALT RIVER PASS WILL BE IMPACTED
  BY THESE CONDITIONS.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES...ESPECIALLY OVER THE SALT RIVER PASS.
  PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD BE PREPARED FOR
  ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE PROPER
  PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY AFTERNOON

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
308 AM MST TUE DEC 13 2016

...SIGNIFICANT SNOWFALL TO RETURN WEDNESDAY AFTERNOON THROUGH
FRIDAY FOR MUCH OF WESTERN WYOMING...

.A WARM FRONT WILL BRING AMPLE AMOUNTS OF MOISTURE ACROSS WESTERN
WYOMING WEDNESDAY AFTERNOON. THIS WILL RESULT IN STEADY SNOWFALL
THROUGH FRIDAY...BEFORE AN ARCTIC FRONT MOVES OVER NORTHERN AND
CENTRAL PORTIONS ON FRIDAY. PERIODS OF HEAVY WET SNOW WILL BE
POSSIBLE IN THE MOUNTAINS...ESPECIALLY THE TETONS. BREEZY WINDS
WILL ALSO LEAD TO SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE
MOUNTAINS WITH SEVERELY REDUCED VISIBILITIES AT TIMES.


STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
308 AM MST TUE DEC 13 2016

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
FRIDAY AFTERNOON.

* TIMING...PERIODS OF SNOW WILL OCCUR FROM WEDNESDAY AFTERNOON
  THROUGH FRIDAY. LIGHT PERSISTENT SNOW WILL OCCUR IN THE STAR
  VALLEY THROUGH THE EVENT. MODERATE TO HEAVY SNOW WILL BE
  POSSIBLE IN THE MOUNTAINS WEDNESDAY NIGHT AND THURSDAY NIGHT.
  SNOWFALL WILL QUICKLY END SATURDAY MORNING BEHIND AN ARCTIC
  FRONT.

* TOTAL SNOWFALL...6 TO 8 INCHES IN THE STAR VALLEY. 12 TO 18
  INCHES POSSIBLE IN THE SALT AND WYOMING RANGES.

* WIND AND VISIBILITY...THE WIND WILL BE INCREASING THURSDAY.
  EXPECT A WEST TO SOUTHWEST WIND OF 20 TO 30 MPH WITH GUSTS TO 45
  MPH IN THE HIGH COUNTRY. IN THE VALLEY...A SOUTH WIND OF 15 TO
  20 MPH WILL BE COMMON. THIS WILL RESULT IN BLOWING AND DRIFTING
  SNOW...ALONG WITH LOWERED VISIBILITY DOWN TO ONE QUARTER OF A
  MILE AT TIMES. SALT RIVER PASS WILL BE IMPACTED BY THESE
  CONDITIONS.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES...ESPECIALLY OVER THE SALT RIVER PASS.
  PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD BE PREPARED FOR
  ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE PROPER
  PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO
MONITOR THE LATEST FORECASTS.

Preliminary Snowfall Totals-4PM Saturday

Total snowfall Dec 9-10

National Weather Service Riverton WY
0751 PM MST Sat Dec 10 2016


Here are updated preliminary snowfall totals. The ending time for
snowfall totals below range from Saturday morning to 4 PM Saturday
afternoon, depending upon the data source. Additional data will be
received Sunday morning, and a new statement will be issued Sunday.

Note: SnoTELS (Snow Telemetry) are remote sensing sites in high
mountain watersheds. Snowfall data from SNOTELS are estimated
based on snow water equivalent.

Strong winds finally infiltrated Casper early Saturday morning,
eroding away the arctic air. Gusty winds also occurred this afternoon
across the area, while Johnson County started to increase as the
cold front entered northern Wyoming this evening.


Location                              Snowfall
Lincoln County...
 Blind Bull Summit Snotel...         24 inches.
 Willow Creek Snotel...              22 inches.
 Indian Creek Snotel...              20 inches.
 Spring Creek Divide Snotel...       19 inches.
 Blind Bull Summit...                18 inches.
 Commissary Ridge...                 18 inches.
 Box Y Ranch...                      16 inches.
 Star Valley Ranch...              15.5 inches.
 Kelley Ranger Station Snotel...     15 inches.
 Hams Fork Snotel...                 15 inches.
 Cottonwood Creek Snotel...          15 inches.
 Alpine...                           12 inches.
 Salt River Summit Snotel...         12 inches.
 5 SSE Smoot...                      10 inches.
 2 SE Thayne...                       9 inches.
 3 SE Bedford...                      8 inches.
 Cokeville...                       4-5 inches.
 Afton...                           3.9 inches.
 5 S Cokeville...                     3 inches.
 Fossil Butte...                    2.5 inches.



Fremont County...
 Burroughs Creek Snotel...           17 inches.
 South Pass Snotel...                14 inches.
 Deer Park Snotel...                 13 inches.
 Castle Creek Snotel...              11 inches.
 Hobbs Park Snotel...                10 inches.
 Brooks Lake...                       9 inches.
 Cold Springs Snotel...               6 inches.
 Little Warm Snotel...                3 inches.
 St. Lawrence Alt Snotel...           3 inches.
 Townsend Creek Snotel...             2 inches.
 Atlantic City...                   0.8 inches.

Hot Springs County...
 Owl Creek Snotel...                  2 inches.


Park County...
 Evening Star Snotel...              17 inches.
 Beartooth Lake Snotel...            15 inches.
 Blackwater Snotel...                13 inches.
 Younts Peak Snotel...               12 inches.
 Kirwin Snotel...                    10 inches.
 Wolverine Snotel...                  9 inches.
 Pahaska...                           7 inches.
 1 ENE Wapiti...                    6.5 inches.
 2 WSW Cody...                        2 inches.
 26 SW Cody...                      1.8 inches.
 Timber Creek Snotel...               1 inch.
 Cody...                            0.2 inches.

Sublette County...
 Triple Peak Snotel...               20 inches.
 Loomis Park Snotel...               14 inches.
 Larsen Creek Snotel...              13 inches.
 Kendall Ranger Station Snotel...    11 inches.
 Elkhart Park G.S. Snotel...         11 inches.
 Snider Basin Snotel...              11 inches.
 Bondurant...                      10.7 inches.
 Big Sandy Opening Snotel...         10 inches.
 New Fork Lake Snotel...             10 inches.
 Gunsite Pass Snotel...              10 inches.
 East Rim Divide Snotel...           10 inches.
 14 NW Pinedale...                  9.5 inches.
 Daniel Fish Hatchery...            9.2 inches.
 Pocket Creek Snotel...               9 inches.
 26 NNW Pinedale...                 8.5 inches.
 Pinedale...                        5.9 inches.
 Boulder Rearing Station...         4.5 inches.

Sweetwater County...
 7 SE Rock Springs...                 1 inch.
 4 NNW Rock Springs...                1 inch.
 5 N Farson...                        1 inch.
 Green River...                     0.8-1 inch.
 Rock Springs...                0.6-0.8 inches.

Teton County...
 Jackson Hole - Rendezvous Bowl...   29 inches.
 Jackson Hole - Mid Mountain...      22 inches.
 Phillips Bench Snotel...            21 inches.
 Grassy Lake Snotel...               21 inches.
 Grand Targhee Snotel...             20 inches.
 5 NW Jackson...                   19.6 inches.
 Jackson Hole - Raymer...            19 inches.
 Base Camp Snotel...                 17 inches.
 Granite Creek Snotel...             17 inches.
 Snow King...                        15 inches.
 2 SW Wilson...                      15 inches.
 Grand Targhee - Chief Joseph...     14 inches.
 Snake River Stn Snotel...           13 inches.
 1 ENE Teton Village...            12.8 inches.
 Gros Ventre Summit Snotel...        12 inches.
 Togwotee Pass Snotel...             12 inches.
 Moose...                          10.5 inches.
 Jackson Hole - Base...             8.5 inches.
 Togwotee Mountain Lodge...           7 inches.
 Jackson...                         5.5 inches.
 Jackson Dam...                     4.2 inches.
 1 NNW Alta...                      3.8 inches.
 2 NE Teton Village...              2.8 inches.
 Darwin Ranch...                    0.5 inches.

Yellowstone National Park...
 Lewis Lake Divide Snotel...         20 inches.
 Parker Peak Snotel...               14 inches.
 Two Ocean Plateau Snotel...         13 inches.
 Thumb Divide Snotel...              11 inches.
 Old Faithful Ranger Station...     7.5 inches.
 Sylvan Road Snotel...                7 inches.
 Canyon Snotel...                     6 inches.
 Sylvan Lake Snotel...                6 inches.
 Lamar Ranger Station...              3 inches.
 Tower Falls Ranger Station...        2 inches.

Winter Storm Update

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1020 AM MST FRI DEC 9 2016

...SIGNIFICANT SNOWFALL EXPECTED TODAY THROUGH SATURDAY AFTERNOON FOR
WESTERN WYOMING...

.A STRONG WEST FLOW OFF OF THE PACIFIC WILL DRAW ABUNDANT PACIFIC
MOISTURE INTO WESTERN WYOMING THROUGH SATURDAY AFTERNOON. THIS
WILL RESULT IN ANOTHER SIGNIFICANT SNOWFALL EVENT FOR WESTERN
WYOMING...ALONG WITH STRONG WINDS PRODUCING BLOWING AND DRIFTING
SNOW...ESPECIALLY ON THE MOUNTAIN PASSES.


STAR VALLEY-SALT RIVER AND WYOMING RANGES-
INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH...
THAYNE
1020 AM MST FRI DEC 9 2016

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM MST SATURDAY...

* TIMING...PERIOD OF SNOW WILL OCCUR THROUGH SATURDAY AFTERNOON.
  THERE WILL BE MODERATE TO HEAVY SNOW AT TIMES DURING THE EVENT.
  SNOWFALL WILL DECREASE TO SNOW SHOWERS SATURDAY EVENING.

* TOTAL SNOWFALL...10 TO 20 INCHES IN THE STAR VALLEY EXPECTED
  ALONG WITH 15 TO 25 INCHES POSSIBLE IN THE SALT AND WYOMING
  RANGES.

* WIND AND VISIBILITY...THE WIND WILL BE INCREASING TONIGHT.
  EXPECT A WEST WIND OF 20 TO 30 MPH WITH GUSTS TO 45 MPH IN THE
  HIGH COUNTRY. IN THE VALLEY...A SOUTH WIND OF 15 TO 20 MPH
  WILL BE COMMON FRIDAY INTO FRIDAY NIGHT. THIS WILL RESULT IN
  BLOWING AND DRIFTING SNOW ALONG WITH LOWERED VISIBILITY DOWN
  TO ONE QUARTER OF A MILE AT TIMES. SALT RIVER PASS WILL BE
  IMPACTED BY THESE CONDITIONS.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED
  VISIBILITY AT TIMES...ESPECIALLY OVER THE SALT RIVER PASS.
  PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD BE PREPARED FOR
  ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE PROPER
  PRECAUTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND
OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD...
WATER... AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY
DIALING 5 1 1.