Record Jet Stream Across U.S.

Record Jet Stream Across U.S.

Jet Stream Winds from Southwest to Northeast U.S. Among the Highest on Record Brian Donegan Published: February 19, 2019 Winds at jet-stream level, about 35,000 feet above the Earth’s surface in winter, have been among the highest on record from the Southwest late last week to the Northeast early this week. The jet stream is a river of fast-moving air that separates cold air masses to its north from warm air masses to its south and often acts as a…

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Snow Season Status-February 18 2019

Snow Season Status-February 18 2019

After a very snowy early February,  it is a good time to examine  the status of the snow pack for the 2018/2019 water year, as the storm track has shifted south of Wyoming for the near future. As of February 17 2019 the water content of the snow pack appears to be in excellent shape across all of Wyoming.  Basically the entire state is currently above normal.   Following are the snow depths observed February 18th for both the Star…

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Snowfall Totals Saturday-February 16 2019

Snowfall Totals Saturday-February 16 2019

Public Information Statement National Weather Service Riverton WY 1255 PM MST Sat Feb 16 2019 …Preliminary Snowfall Totals… Updated snowfall reports from noon Thursday to 8 am Saturday morning. This was the second of two storms that impacted the area. A final statement will be issued this evening after all the reports are received. 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….

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Rapid Change across Star Valley with Cold Front Friday Afternoon

Rapid Change across Star Valley with Cold Front Friday Afternoon

  A rapidly moving cold front accompanied by winds gusting to 40 mph and brief near blizzard conditions crossed Star Valley late Friday afternoon. Several of the cams were able to catch the pronounced snow band with the front.   Bedford View Friday Afternoon North View  Star Valley Ranch Friday afternoon   View Toward Alpine Friday Afternoon View toward Afton Friday Afternoon  

Star Valley Weather adds New Weather Stations

Star Valley Weather adds New Weather Stations

The Starvalleyweather.com web page has added several secondary weather stations that could be of interest. They are links to many of potential destinations upon leaving Star Valley. There are 9 locations that link to the weather data for each site.  The only city in Star Valley on the list is Smoot, while the Willow Creek SNOTEL is also listed.  

Mid-Week Snow Fall Report

Mid-Week Snow Fall Report

Public Information Statement National Weather Service Riverton WY 130 PM MST Thu Feb 14 2019 …Snowfall Totals for Western Wyoming midweek winter storm… The following snowfall reports are the winter storm totals for western Wyoming from midnight Wednesday to 8 am Thursday morning. 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. Note: SnoTELS (Snow Telemetry)…

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Arrival of an Atmospheric River(Pineapple Express)

Arrival of an Atmospheric River(Pineapple Express)

Very heavy rains and tremendous mountain snows have spread across California as a major Atmospheric River Event is underway. This pattern is the major precipitation producing type event for California and this is one of the more potent ones in recent years.  The term Atmospheric River is the same phenomena that is also called the Pineapple Express. The GOES-17 satellite animation for the past day clearly shows the dramatic plume with its origin in the subtropical Pacific streaming northeastward across…

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Avalanche Warning Salt and Wyoming Ranges as well as Star Valley and Jackson

Avalanche Warning Salt and Wyoming Ranges as well as Star Valley and Jackson

SALT RIVER AND WYOMING RANGES- BULLETIN – IMMEDIATE BROADCAST REQUESTED AVALANCHE WARNING BRIDGER-TETON NATIONAL FOREST AVALANCHE CENTER RELAYED BY NATIONAL WEATHER SERVICE RIVERTON WY 557 PM MST WED FEB 13 2019 THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE BRIDGER-TETON NATIONAL FOREST AVALANCHE CENTER. THE BRIDGER TETON AVALANCHE CENTER IN JACKSON HAS ISSUED A BACKCOUNTRY AVALANCHE WARNING FOR THE FOLLOWING AREAS: JACKSON HOLE, SALT RIVER AND WYOMING RANGES, STAR VALLEY, TETON AND GROS VENTRE RANGES. * TIMING…UNTIL 5…

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Updated-Winter Storm Warning for Much of Western Wyoming

Updated-Winter Storm Warning for Much of Western Wyoming

  Tuesday has been  a snow less day across the Western Wyoming area but that will change in a big way Wednesday and Thursday.  A plume of very moist/subtropical air is heading toward the west coast today and will impact Western Wyoming beginning Wednesday.  The satellite animation from the GOES-17 this morning clearly shows the moisture plume(atmospheric river) as it heads toward California:   The precipitable water that reflects this  moisture plume derived by the computer models can be seen…

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