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Author: Jack Hales

Springtime in the Rockies-Finally

Springtime in the Rockies-Finally

After one more Pacific weather system brings some mountain snows and valley rain to Western Wyoming Thursday, the storm track will be shifting to the north of the Cowboy State.  Beginning this weekend drier and warmer conditions should dominate much of the remainder of April.  The following graphic  illustrates this trend with troughing in the Eastern U.S. and colder than normal , with above normal and drier in much of the  southwestern states, including Wyoming.          …

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Snowfall Totals April 15 2020

Snowfall Totals April 15 2020

National Weather Service Riverton WY 0939 AM MDT Thu Apr 16 2020 A mid-April winter storm has brought a fresh layer of snowfall to much of the state. Highest snowfall amounts were generally across Fremont County and across higher elevations. Below are preliminary snowfall totals from Wednesday night through 8 am Thursday morning. Note: SnoTELS (Snow Telemetry) are remote sensing sites in high mountain watersheds. Snowfall data from SNOTELS are estimated based on snow water equivalent. Location Snowfall Big Horn…

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Spring Snow On The Way For Wyoming

Spring Snow On The Way For Wyoming

National Weather Service Riverton WY 1247 PM MDT Tue Apr 14 2020 …More Spring Snow and North Wind for Western and Central Wyoming… .Another storm system will move south out of Canada into Montana and Wyoming tonight through Thursday morning. This storm will bring more snow to much of the area, with many lower elevation locations seeing 3 to 5 inches, and the mountains getting 6 to 12 inches. This storm will bring a strong north to northeast wind Wednesday…

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Cold and Snow Summary April 12-13 2020

Cold and Snow Summary April 12-13 2020

Public Information Statement National Weather Service Riverton WY 841 AM MDT Mon Apr 13 2020 The strong cold front pushed south across western and central Wyoming Saturday, that produced substantial snowfall across much of the area over the weekend, has left very cold air in its wake. High temperatures were as much as 45 degrees colder on Sunday, compared to what they were just two days prior on Friday. The high temperature at the Riverton Regional Airport Friday was 71…

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March 2020 Star Valley Weather Summary

March 2020 Star Valley Weather Summary

While March typically sees the beginning of Spring, this March saw little real evidence of that, as temperatures were just as cool the last part of the month as the first.  The Afton monthly temperature graph best illustrates this: It was also quite cloudy most days with precipitation observed on about half the days of the month; Above normal precipitation(snowfall) was common from Star Valley north to YNP, while east of the mountains it was mostly drier than normal Good…

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Winter Weather Advisory Tonight and Tuesday

Winter Weather Advisory Tonight and Tuesday

URGENT – WINTER WEATHER MESSAGE National Weather Service Riverton WY 145 AM MDT Mon Mar 30 2020 …Snow returning to western Wyoming… .March will go out like a lion in western Wyoming as ample Pacific moisture moving into the area will bring a return to winter with moderate to heavy snow. At this time the heaviest snow is expected late Monday night and Tuesday morning after mainly light snow during the day today. Jackson Hole-Star Valley- Including the cities of…

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Snows Return to Western Wyoming

Snows Return to Western Wyoming

Special Weather Statement National Weather Service Riverton WY 250 PM MDT Sun Mar 29 2020 Yellowstone National Park-Absaroka Mountains- Teton and Gros Ventre Mountains-Jackson Hole- Wind River Mountains West-Wind River Mountains East-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- Upper Green River Basin- Including the cities of Lake, Mammoth, Old Faithful, Jackson, Afton, Alpine, Star Valley Ranch, Thayne, Pinedale, La Barge, Big Piney, and Farson 250 PM MDT Sun Mar 29 2020 …Significant snowfall expected for far…

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Snow Returns to Star Valley this Saturday

Snow Returns to Star Valley this Saturday

…Significant Snow over portions of Western Wyoming Today into Sunday… .A moist southwest flow along with upper level support will bring significant snowfall across portions of western Wyoming today and Sunday. The snow is expected to develop quickly this morning over much of western Wyoming. The snow will gradually lift north this evening, and be focused mainly over the far northwest tonight, before shifting back southward early Sunday morning. Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch,…

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Snow Melt to Begin!

Snow Melt to Begin!

Hydrologic Outlook National Weather Service Riverton WY 304 PM MST Tue Mar 3 2020 …Accelerated low elevation snowmelt Friday through Sunday due warmer temperatures and possible rain on snowmelt… Afternoon temperatures across Jackson Hole and Star Valley are forecasted to warm into into the upper 40s to lower 50s Friday and Saturday. Rain is also expected Saturday, before turning to mostly snow by Saturday night. Snowmelt below 7,000 feet is expected to accelerate Friday afternoon through early Sunday morning. Low…

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Winter Summary-Star Valley

Winter Summary-Star Valley

The three months of December, January and February are typically considered the winter months.  This will be a summary of Winter 2019/2020 for Star Valley. The highlight of this winter has been snow. While records were not likely set, the 3 month period did provide impressive totals around Star Valley, particularly the Lower Valley. Following are some of the reports for the three month period. Station                             …

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