Saturday, September 19, 2015

Final Update* Storm Summary September 14-18

A series of cold fronts brought widespread precipitation amounts of 1 to 2 inches across the west from Monday through Thursday night.   Portions of the Star Valley and Yellowstone National Park received from 2 to over 3 inches of precipitation; the highest total of 3.07 inches was reported 5 miles north of Thayne in the Star Valley.  A strong cold frontal passage also resulted in some high winds across the area on Wednesday with an automated station 15 miles southeast of Rock Springs reporting a gust to 81 mph Wednesday afternoon. 
***** Final Update *****

Click to enlargeClick to enlarge
 Clouds parting at Jackson Hole Mountain Resort's Cody Bowl (elev. 10,450 ft.) Friday afternoon to reveal a winter wonderland in the last few days of summer.   Click to Enlarge  A 64 mph was recorded in Sinks Canyon on Wednesday morning.   Only 0.01 inches of rainfall fell Thursday afternoon in Sinks Canyon, and then the double rainbow!  Click to Enlarge

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Rain Map - Click to enlarge
Precipitation Totals from Monday, September 14th through 7 AM Friday, September 18th
CountyStation NameRainfall
Big HornMill Creek0.57
Big HornShell0.25
Big Horn9 NNW Shell0.15
Big HornLovell0.12
Big Horn2 SSW Lovell0.12
Big HornDeaver0.10
Big HornHyatt High0.08
Big HornGreybull0.03
Big HornGreybull ASOS0.01
Fremont10 WNW Dubois0.52
FremontAnderson Ridge0.14
FremontWind River0.11
FremontCamp Creek0.09
FremontAtlantic City0.08
FremontRiverton 0.5 NW0.03
Fremont9 SSE Lander0.03
Fremont6 SW Lander0.03
FremontJeffrey City0.02
FremontRiverton ASOS0.01
Hot Springs9 NE Thermopolis0.06
JohnsonSchool House0.10
JohnsonBuffalo ASOS0.10
Johnson12 SSE Buffalo0.06
Johnson17 NNW Kaycee0.01
Lincoln5 NNE Thayne3.07
Lincoln3 NW Etna2.92
LincolnStar Valley Ranch2.81
Lincoln2 SE Thayne2.75
Lincoln1 S Bedford2.28
Lincoln5 SSE Smoot1.98
Lincoln1 SW Afton1.86
LincolnFossil Butte1.10
Lincoln3 WNW Kemmerer0.95
Lincoln3 SE Bedford0.94
Lincoln5 SSE La Barge0.39
MONTANASoda Butte1.12
Natrona11 ESE Casper0.05
Natrona5 SSW Casper0.03
Natrona7 SSW Casper0.02
Natrona12 NE Lysite0.02
NatronaCasper Mountain0.01
Natrona10 WSW Casper0.01
ParkCabin Creek0.90
Park26 SW Cody0.27
Park2 WSW Cody0.12
ParkRattlesnake Mountain0.12
Park3 NE Sunshine0.07
Park4 SE Cody0.05
Park5 ESE Cody0.03
Park3 NE Clark0.03
Park2 SW Powell0.01
Park4 SW Powell0.01
Park7 SW Cody0.01
Sublette15 WNW Daniel1.35
Sublette14 NW Pinedale1.08
SubletteDaniel Fish Hatchery1.03
SubletteHalf Moon0.95
SubletteSnider Basin0.94
SublettePinedale 1NE0.57
Sublette13 SE Pinedale0.30
SubletteBig Piney ASOS0.24
SubletteBoulder Rearing Station0.10
SweetwaterRock Springs ASOS0.33
Sweetwater4 NNW Rock Springs0.28
SweetwaterGreen River0.23
SweetwaterRock Springs0.22
Sweetwater5 N Farson0.19
SweetwaterSnow Springs Creek0.17
Sweetwater8 NNW Rock Springs0.15
Sweetwater1 SE Green River0.11
SweetwaterBuckboard Marina0.06
Teton12 NE Jackson2.29
Teton2 NE Teton Village2.17
TetonBurro Hill2.06
TetonCoyote Meadows2.04
Teton5 NW Jackson2.03
Teton4 SW Jackson1.96
TetonGrand Teton1.88
TetonJackson Dam1.80
TetonSouth Park1.69
TetonHoback Junction1.28
Teton1 NNW Alta1.24
WashakieLeigh Creek0.25
Washakie27 S Ten Sleep0.20
WashakieWorland ASOS0.10
WashakieTen Sleep0.10
Washakie2 NE Worland0.10
Washakie8 SW Worland0.08
Washakie5 NNW Ten Sleep0.07
Washakie16 SSE Ten Sleep0.04
WashakieSplit Rock Creek0.03
YellowstoneOld Faithful Ranger Station2.33
YellowstoneSnake River Ranger Station1.82
YellowstoneBechler River Ranger Station1.76
YellowstoneLake Yellowstone ASOS1.28
YellowstoneYellowstone East Entrance1.20
YellowstoneTower Falls Ranger Station0.97
YellowstoneYellowstone Mammoth0.67
Strongest Wind Banner

A cold front brought some strong winds across the area on Wednesday, September 16th.  Locations that recorded wind gusts over 45 mph are included in the following table: 

Wednesday September 16th Notable Wind Gusts
CountyLocationWind Gust (mph)
 Fremont Red Canyon73
 Fremont 9 SW Lander (Sinks Canyon)64
 Fremont 3 NNW Hudson54
 Fremont 10 W Fort Washakie51
 Fremont 2 W South Pass City50
 Fremont 7 SW Muddy Gap48
 Fremont Jeffrey City48
 Fremont Riverton Airport48
 Hot Springs Boysen Peak51
 Hot Springs 10 S Meeteetse47
 Johnson 25 ESE Buffalo53
 Johnson 12 N Kaycee50
 Lincoln Mt. Coffin62
 Lincoln Kemmerer Airport54
 Lincoln 13 W Kemmerer48
 Lincoln Deadman Mountain45
 Natrona 2 SE Hiland 63
 Natrona 16 S Hiland 58
 Natrona 20 N Casper 55
 Natrona 8 S Casper 53
 Natrona Casper Airport 51
 Natrona Casper Outer Drive 51
 Natrona Midwest 49
 Natrona 7 W Alcova 48
 Park Chief Joseph Hwy 49
 Park Hoyt Peak 48
 Park 8 N Meeteetse 46
 Sweetwater 15 SE Rock  Springs 81
 Sweetwater I 80 - Mile Marker 184 50
 Sweetwater I 80 - Mile Marker 157 47
 Sweetwater McKinnon 45
 Sweetwater 5 E Rock Springs 45
 Teton Teton Saddle 70
 Washakie South Bighorn Mountains 48

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