The following are ad-hoc generated images and map interfaces for special projects.
An archive of older special purpose imagery can be found here.

Synthetic Aperature Radar River Ice Surveillance

Accumulated Net Degree Day and Ice Timing Outlook

2024-2025

• Gamma Airborne Program Snow Water Equivalent Survey Archive - through 2025
• April 2025 Alaska Gamma Survey
• Ohio River Basin Flood Inundation Mapping, Apr 2025
• Remote Sensing Flood Inundation Mapping - Middle Mississippi Valley, Apr 2025
• Synthetic Aperature Radar River Ice Surveillance
• Accumulated Freezing Degree Days and Ice Timing Outlook
• Gamma Airborne Survey Program Airborne Soil Moisture Survey Archive
• Fall 2024 Airborne Soil Moisture Survey

2023-2024

• April 2024 Alaska Gamma Survey
• February 2024 Red River of the North Airborne Soil Moisture Survey
• Gamma Airborne Program Snow Water Equivalent Survey Archive
• Airborne Soil Moisture Survey Program Archive
• Fall 2023 Airborne Soil Moisture Survey

2022-2023

• NWC Flood Inundation - Sentinel-2 - Yukon River - 2023-05-14
• NWC Flood Inundation - Sentinel-2 - Northen Plains - 2023-05-02
• April 2023 Alaska Gamma Survey
• Fall 2022 Airborne Soil Moisture Survey
• Fall 2022 National Water Center Airborne Soil Moisture Survey 004, Chicago Weather Forecast Office
• Fall 2022 National Water Center Airborne Soil Moisture Survey 001, SPLASH

2021-2022

• 2022 National Water Center Airborne Soil Moisture Survey, NCRFC

2018-2019

• Sentinel-1 Derived Water Mapping Comparison, Northern Plains, 2018-2019
• Sentinel-1 Derived Flood Mapping, SE Texas, 19 September 2019
• Landsat 8 Derived Imagery of Texas, 07 May 2019
• Landsat 8 Derived Imagery of St. Louis and the Mississippi River, 07 May 2019
• Sentinel-1A Derived Imagery of Missouri and the Mississippi River, 6 May, 2019
• Sentinel-1A and Sentinel-2A Derived Imagery of Iowa and the Mississippi River, 4 & 6 May, 2019
• Sentinel-1A Derived Imagery of Iowa and the Mississippi River, 30 April 2019
• Sentinel-1 and Landsat 8 Derived Imagery of Quebec, April 2019
• Landsat 8 imagery of Northeast United States
• Landsat 8 and Sentinel-1 Imagery of US Northeast, April 2019
• Sentinel-2A imagery of Red River of the North
• Sentinel-2 Derived Flood Map: 2019-03-27
• Sentinel-2 Derived Ice Jam Flooding Map: 2019-03-26
• Sentinel-1 Derived Water Mask: 2019-03-25

National Weather Service National Operational Hydrologic Remote Sensing Center Office of Water Prediction 1735 Lake Drive W. Chanhassen, MN 55317
Contact NOHRSC Glossary Credits Information Quality Page last modified: Sep 30, 2025 - cloud 1	About Us Disclaimer Privacy Policy FOIA Career Opportunities