Mountain Snow Pack Increases Further

Mountain Snow Pack Increases Further

While the recent mostly rain in the valley(Star Valley Ranch so far in April has had 3.15 inches of precipitation but only 7 inches of snow), the nearby mountain snow pack has continued to increase. The current(April 16) snow depth map for the area around Star Valley and Jackson shows the lower elevations are becoming snow free, while upwards to 10 feet continue to blanket the mountains: The nearby SNOTEL sites to Star Valley all indicate that snow depths are continuing…

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Warmer Spring Weather Ahead

Warmer Spring Weather Ahead

Since about the 1st of February it has been an unusually prolonged period of cloudy and snowy weather across Western Wyoming including Star Valley.  While Spring is going into its 4th week, the long anticipated warm up which will begin the mountain snow pack runoff has yet to occur.  One more wet, cool weather system early this coming week and then it appears a pattern change will provide the long anticipated warm-up. Reviewing  the weather since the first of February,…

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Star Valley Forecast-Sunday April 14th

Star Valley Forecast-Sunday April 14th

The access to the forecast for Star Valley is down until Tuesday. Thus here is the forecast for the coming week. Today Snow showers likely before 11am, then rain and snow showers likely. Cloudy, with a high near 39. West southwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible. Tonight Rain and snow showers likely, becoming all snow after 10pm. Cloudy, with…

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Star Valley Snow Cover Slow to Fade Away

Star Valley Snow Cover Slow to Fade Away

It seems that the snow cover this Spring is significantly slower to melt than in recent years. To confirm this the following are the views of the snow remaining on the  ground at the Star Valley Ranch snow stake on  April 5th for the past three years. The total snowfall in the winter of 2016-2017 through April 5th at Star Valley Ranch was 221 inches. For the winter of 2017-2018 through April 5, 171 inches had been measured. As of…

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March 2019 Star Valley Weather Summary

March 2019 Star Valley Weather Summary

March 2019 was another wet, snowy month in Star Valley with the only extended dry period occurring during the middle of the month.  The snow pack continued to build,  reaching a season high of 40 inches at Star Valley Ranch on March 9th. However with cool temperatures and continued periods of snow the later half of March, there was still 2 feet on the ground at Star Valley Ranch on March 31st. Here are the graphs of snowfall  for the…

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Snow Report March 29 2019

Snow Report March 29 2019

National Weather Service Riverton WY 925 PM MDT Fri Mar 29 2019 …Preliminary Storm Information… The following are preliminary snowfall totals from midnight through 9 PM Friday. Observations are collected from a variety of sources with varying types of equipment and exposures. We thank all of our volunteer weather observers for their dedication. Not all data listed are considered official. ***** Snowfall Reports ***** Location Snowfall Fremont County… 6 SW Lander… 19 inches. Townsend Creek Snotel… 18 inches. 9.5 SW…

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Spring Snowmelt Flood Potential Outlook

Spring Snowmelt Flood Potential Outlook

  Mountain snowpack and associated snow water equivalents (SWEs) across most of Wyoming were generally above average by the middle of March.  SWEs at the peak snowmelt runoff elevations (8,500’ – 10,000’) were the highest across the Little Snake, Upper North Platte, and Laramie Basins at 120 to 130 percent of median.  The Tongue Watershed had SWEs at 80 to near 90 percent of median at the peak snowmelt runoff elevations. This outlook is based on various diverse hydrological factors such as snow water equivalents (SWEs) in the mountain snowpack, basin morphology…

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Spring Weather Ahead for Star Valley

Spring Weather Ahead for Star Valley

Since the first part of February,Star Valley has been dealing with almost daily precipitation mostly in the form of snow.  The following are the daily observations from Star Valley Ranch.  In the 36 day period beginning on February 3rd, there have only been 3 of those days which have been precipitation free, February 9th 13th and 23rd.   During this stretch of 36 days,  73 inches of snow have fallen equivalent to a water content of 4.63 inches.     Since…

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Snowfall Totals March 9 2019

Snowfall Totals March 9 2019

National Weather Service Riverton WY 1242 PM MST Sat Mar 09 2019 …Final Storm Report for March 8-9, 2019… Another winter storm brought new snowfall across much of Wyoming. The following are storm reports from Friday through Saturday morning. Location Snowfall Big Horn County… Bald Mountain Snotel… 4 inches. Bone Springs Divide Snotel… 3 inches. Shell Creek Snotel… 3 inches. 9 ENE Greybull… 2.6 inches. Greybull… 1.5 inches. 2 SSW Lovell… 1 inch. Fremont County… Brooks Lake… 6 inches. 35…

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Next Snow Storm on the Way to Western Wyoming

Next Snow Storm on the Way to Western Wyoming

National Weather Service Riverton WY 313 PM MST Thu Mar 7 2019 …A widespread area of significant accumulating snow is possible over much of Central and Western Wyoming… .A new Pacific weather system has the potential to dump significant amounts of snowfall across much of Western and central Wyoming Friday morning through Saturday morning. Teton and Gros Ventre Mountains-Jackson Hole- Wind River Mountains West-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- South Lincoln County- Including the cities…

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