Public Information Statement
Issued by NWS National HQ
Issued by NWS National HQ
937 NOUS41 KWBC 281950 AAA PNSWSH Public Information Statement 25-58 Updated National Weather Service Headquarters Silver Spring MD 350 PM EDT Thu Aug 28 2025 To: Subscribers: -NOAA Weather Wire Service -Emergency Managers Weather Information Network -NOAAPort Other NWS Partners and Employees From: Kate Abshire Team Lead, Water Resources Services Branch Subject: Updated: Soliciting Comments on the Experimental National Water Center (NWC) Synthetic Aperture Radar River Ice Surveillance (SARRIS) Product through August 31, 2027 Updated to include a new link to the NWC SARRIS Product Description Document The National Weather Service (NWS) is soliciting comments on the experimental NWC SARRIS Product through August 31, 2027. The NWC experimental SARRIS provides periodic intelligence on the extent of river ice and open water across CONUS and Alaska during cold seasons based on Synthetic Aperture Radar (SAR) remote sensing analyses. The experimental SARRIS is a two-part product composed of a geospatial web layer depicting ice and open water classifications along with brief discussions from NWC Remote Sensing Analysts describing areas of uncertainties and issues stemming from the sensors. A description of the experimental NWC SARRIS Product can be found at the following link: https://nsdesk.servicenowservices.com/api/g_noa/nwspc/res2/0acb0 7cf472f2a50f6550c03e16d43e1 Input on the experimental NWC SARRIS Product is being sought from NWS meteorologists and hydrologists, national and state partners/customers in water supply and flood forecasting and in navigation, and various private/public weather data vendors in the Northern Tier of the U.S. The extended comment period through 2027 is intended to allow for adequate testing and feedback of the experimental product through two river ice seasons. https://www.surveymonkey.com/r/ExpNWC_SARRIS_2025 Additional Comments may be sent to: National Weather Service Office of Water Prediction, Water Prediction Operations Division Tuscaloosa, AL nwc.wpod.winterhydro@noaa.gov National Public Information Statements are online at: https://www.weather.gov/notification/