WYOMING SNOW REPORT

November 21 2024

New snowfall across Wyoming today, with Nohrsc Cottonwood Creek Snotel receiving up to 9” of new snowfall, raising snowpack levels up to 17”. Snowpack levels across the state are currently 97% of normal. The deepest snowpack in Wyoming was last observed at Grand Targhee with a snowpack depth of 37”, about 108% of normal when compared to it's 34" average depth for this time of year. Bone Springs Div, perched at an elevation of 9,350 ft., is currently experiencing some of the coldest temps in Wyoming with air temps last recorded at 22 degrees.

More snowfall is expected this week, and areas like Grassy Lake are forecasted to receive up to 15" of snowfall in the next 5 days.


Statewide Snowpack 97.0%
Of Normal
Coldest Location 22°
Bone Springs Div
Top 5-Day Forecast 15"
Grassy Lake
Deepest Snowpack 37"
Grand Targhee
Most Snowfall Past 24 Hours 9"
Nohrsc Cottonwood Creek Snotel

Forecast Model


Summary


The snowpack conditions in Wyoming vary across different mountain ranges, influencing the state's water supply, runoff rivers, and watersheds. The Wind River Range, Absaroka Range, and the Tetons are major contributors. Snow accumulation in the mountains during winter is crucial as it slowly melts and feeds into the state's rivers and reservoirs during spring and summer. Wyoming's winter climate is characterized by cold temperatures, heavy snowfall, and strong winds. Snow science plays a vital role in understanding snowpack dynamics, avalanche forecasting, and water resource management. Wyoming has a rich history of snow science, with the first snow survey being conducted in the state in 1905. The information gathered from snow surveys helps in predicting water availability, managing flood risks, and ensuring sustainable water use across the state. Multiple sources including the Natural Resources Conservation Service (NRCS) and the Wyoming Water Development Office (WWDO) can provide accurate and detailed information on snowpack conditions in specific mountain ranges and their impact on Wyoming's water resources.

Snowpack Distribution

       

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