Winter Storm Watch this Weekend Western Wyoming

Winter Storm Watch this Weekend Western Wyoming

  A storm system in the Gulf of Alaska Friday evening will move rapidly southeast into the Northwestern U.S. over the weekend.  Star Valley will be impacted beginning late Saturday, continuing through Sunday.     The following is the 50 percent probability of snowfall expected to reach or exceed the displayed depth over the next 3 days.   The system analyzed on the afternoon 500 mb chart moving through the Gulf Of Alaska can be seen on the following animated…

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Temporary Ice Breakup on Snake River at Alpine

Temporary Ice Breakup on Snake River at Alpine

While December 2018 started out cold across Star Valley, the last several days have seen a moderation in the temperatures. This can be noted on the temperatures recorded at the Double L weather station since Dec 1 2018. Beginning on December 17th temperatures warmed,  with about a 24 hour period on the 18/19th when it remained near or above freezing. The web cam located near Alpine with a view of the Snake River was able to capture the breakup of…

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Snow Returning to Western Wyoming by This Evening

Snow Returning to Western Wyoming by This Evening

National Weather Service Riverton WY 1244 AM MST Tue Dec 18 2018…Snow returning to western Wyoming through Wednesday….Light snow today will become steadier and heaver tonight and continueinto Wednesday morning before becoming lighter and more intermittent Wednesday afternoon.Star Valley-Including the cities of Afton, Alpine, Star Valley Ranch,and Thayne 1244 AM MST Tue Dec 18 2018…WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO NOON MST WEDNESDAY…WHAT…Snow expected. Total snow accumulations of 3 to 5 inches expected, with the…

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Snow Heading for Western Wyoming

Snow Heading for Western Wyoming

A long stream of moisture that originated in the sub-tropical Pacific is on track to bring a period of snow to western Wyoming over the next couple of days.  The GOES 17 satellite video clearly shows the pronounced cloud band  currently moving onshore in the Pacific Northwest. The National Weather Service in Riverton is forecasting several inches of snow through  Wednesday Snowfall  amounts are always difficult to forecast a couple days in advance.  An effective method is using probabilities to…

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Strong Temperature Inversion in Star Valley

Strong Temperature Inversion in Star Valley

With the clear, calm nights and very low sun angle during the day, a strong temperature inversion has developed over Star Valley.  This is particularly noted at night when the lowest valley locations are much colder than along the slopes of the Salt Range such as in Star Valley Ranch. The minimum temperatures  with a range of more than 25 degrees difference occurred this morning, ranging from below zero along the Salt River such as the  Double L Ranch to…

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How Cold Was it in Star Valley

How Cold Was it in Star Valley

Skies cleared and temperatures dropped with many Star Valley locations dipping below zero(but not all). Temperatures across the Valley at sunrise displayed the typically large range that occur on these clear, calm conditions.  This is best displayed on the Home page of Starvalleyweather.com While the typically coldest locations near the Salt River were near -10F such as Double L Ranch and at the Afton airport,  other higher elevation locations near the west slopes of the Salt Range such as in…

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Snow Totals Wednesday December 12 2018

Snow Totals Wednesday December 12 2018

PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE RIVERTON WY 513 PM MST WED DEC 12 2018 SNOW OCCURRED OVER WESTERN WYOMING TUESDAY NIGHT THROUGH WEDNESDAY AFTERNOON. LESS SNOW FELL ACROSS THE CENTRAL WYOMING AREA. ADDITIONAL REPORTS WILL LIKELY COME IN LATER TONIGHT AND THURSDAY MORNING. LOCATION SNOWFALL BIG HORN COUNTY… BALD MOUNTAIN SNOTEL… 2 INCHES. BONE SPRINGS DIVIDE SNOTEL… 1 INCH. FREMONT COUNTY… BURROUGHS CREEK SNOTEL… 2 INCHES. CASTLE CREEK SNOTEL… 1 INCH. LITTLE WARM SNOTEL… 1 INCH. SOUTH PASS SNOTEL……

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Winter Storm Warning Star Valley Today

Winter Storm Warning Star Valley Today

URGENT – WINTER WEATHER MESSAGE National Weather Service Riverton WY 157 AM MST Wed Dec 12 2018 …Significant Snow and Wind Expected across much of western Wyoming through this afternoon… .A significant storm system has moved into Western Wyoming this morning and will continue through today. This storm system will produce significant snow and strong wind. Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 157 AM MST Wed Dec 12 2018 …WINTER STORM WARNING REMAINS…

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