Snow Report

Snowpack Snowfall Weather
September 22 2023


September 22 2023

New Snowfall to report today with Defiance Mines in Nevada reporting 21" of new snowfall, raising snowpack levels to 21". Ward Creek #3 in California seeing snowpack levels rise to 13" after receiving 13" of more snowfall since yesterday. Skiiers headed to Alpine Meadows Ski Area today can expect 13" of new snowfall on the slopes today, and folks headed to Granlibakken Ski Resort will be enjoying 13" of more powder, with snowpack levels rising to 13".

Mountain snowpack is a crucial source of water for many regions in the US. The snow that accumulates on the mountains during winter acts as a natural reservoir, slowly releasing water as it melts during spring and summer. Understanding snowpack dynamics is essential for managing water resources sustainably, predicting water availability, and mitigating the risk of floods and droughts. Some notable mountain ranges with significant snowpack include the Rocky Mountains, Sierra Nevada, and Cascade Range.

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More snow forecasted this week with Shell Creek in Wyoming expecting 10" of more snow in the next 72 hours, with showers likely and breezy today. Canyon in Wyoming is also slated to get up to 9" of more snow in the coming days. Some great powder days on the horizon with Big Horn Ski Resort forecasted to receive up to 8.74" of snow in the coming days, and Montana Snowbowl expecting up to 7.41" of more snowfall which could bring their snowpack depth up to 7".

Top 10 Snowpacks

Deepest Snowpack Depths

Strong El Nino Season

Oceanic Nino Index

The Oceanic Niño Index (ONI) is a rolling 3-month average temperature anomaly, and used for tracking El Niño-Southern Oscillation climate patterns. Based on the latest data for the last 3 months (JJA), the Oceanic Nino Index is currently 1.06, signifying a strong El Nino period. A persistent above average sea surface temperature may signify an El Niño episode. Conversely, a below average sea surface temperature will signal the onset of La Nina occurences.

Snowpack Drought

Low Snowpack Depths

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