500 mb Analysis Noon Thursday 3/1/12 |
shifts east into the central states by late Friday
500 mb forecast midnight Friday 3/2/12 |
The strong cold front that passed across the valley Wednesday afternoon resulted in briefly near zero visibilities as a quick two inches of snow fell, along with strong winds. The web cam, located about 6 miles south of Alpine, provided a rather spectacular view of the snow front's passage. Here is a short video from that site.
With the cold trough shifting east into the Central States the snow fall in our area will diminish and likely end by later Saturday. However it will lead to a potentially serious Severe Thunderstorm and Tornado Outbreak in parts of the Mississippi/Ohio and Tennessee Valleys by Friday afternoon per the latest forecast from the Storm Prediction Center.
All of the ingredients are expected to be available for developing supercell thunderstorms, which could then produce damaging tornadoes. Those interested in following this threat can refer to the Storm Prediction Centers web site spc.noaa.gov
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