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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.
2022 - 2023 Snow Season Surveys
| Name |
Dates |
Surveyed States and Provinces |
Buffalo, NY
|
November 22, 2022 |
NY |
North Central River Basin
|
January 14, 2023 |
ND, SD, MN, WI, MI, IA |
Missouri River Basin
|
January 23, 2023 |
ND, SD, NE |
North Central River Basin
|
February 24, 2023 |
MN |
North Central & Missouri River Basin
|
February 25, 2023 |
MN, SD, ND |
LOW & Rainy Basins
|
March 2, 2023 |
MN, MB |
Missouri River Basin
|
March 12, 2023 |
MT, ND, SK, MB |
NERFC & MARFC
|
March 16, 2023 |
NY, VT, NH, M, PAE |
North Central River Basin
|
March 18, 2023 |
MN |
Sierra Nevada
|
March 31, 2023 |
CA |
Alaska
|
April 4, 2023 |
AK |
NCRFC
|
April 7, 2023 |
MN, ND, WI |
CNRFC
|
April 22, 2023 |
CA |
NCRFC
|
May 3, 2023 |
MN, WI, MI |
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