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National Operational Hydrologic
Remote Sensing Center

Historical Snow Survey Information

Airborne Gamma Survey Snow Water Equivalent Archive Map

2021 - 2022 Snow Season Surveys

Name Dates Surveyed States and Provinces
January 12, 2022 MN, ND, SD, WI, IA, IL, MI
February 6, 2022 PA, WV, IL, OH
February 21, 2022 NY, VT, NH, ME
Lake Superior
February 28, 2022 MN, MI
Souris Basin
March 6, 2022 SK
Northeast River Forecast Center
March 14, 2022 VT, NH, ME, NY
Northern Minnesota and Upper Midwest
March 25, 2022 MN, MI, WI
SPLASH Exercise
March 25, 2022 CO
Sierra Nevada
March 28, 2022 CA
April 2, 2022 AK
Northern Minnesota North Dakota
April 15, 2022 MN, ND
SPLASH Exercise #2
April 25, 2022 CO
North Dakota
April 27, 2022 ND, SK

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National Operational Hydrologic Remote Sensing Center
Office of Water Prediction
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Chanhassen, MN 55317

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Page last modified: Sep 14, 2023 - cloud
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