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Airborne Snow Survey Program
Operational Snow Survey Program
The National Operational Hydrologic Remote Sensing Center (NOHRSC) has developed, and currently maintains, an operational Airborne Gamma Radiation Snow Survey Program to make airborne Snow Water Equivalent (SWE) and soil moisture measurements. Airborne SWE measurements are used by NWS Weather Forecast Offices (WFO) and NWS River Forecast Centers (RFC) when issuing river and flood forecasts, water supply forecasts, and spring flood outlooks.
2020 - 2021 Snow Season Surveys
| Name |
Dates |
Surveyed States and Provinces |
North Central River Basin
|
January 13, 2021 |
ND, WI, MN |
Northeast River Basin
|
February 11, 2021 |
NY |
NERFC, MARFC, and OHRFC
|
February 14, 2021 |
NY, CT, NH, OH, PA, MA |
NERFC
|
February 18, 2021 |
ME |
NCRFC
|
February 25, 2021 |
IL, IN, WI, IA |
MBRFC
|
March 1, 2021 |
NE |
Lake Superior
|
March 2, 2021 |
MI, MN, WI |
Eastern Region
|
March 2, 2021 |
WV, PA, OH, IL.IN, OHI |
NCRFC
|
March 8, 2021 |
MN, MI, MI |
NCRFC
|
March 12, 2021 |
MN, MI, MI |
NERFC
|
March 22, 2021 |
ME, NH, VY, NY |
CNRFC
|
March 29, 2021 |
CA |
APRFC
|
April 5, 2021 |
AK, YT |
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