Public Information Statement
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
757 NOUS46 KMTR 242124 PNSMTR CAZ502>506-250930- Public Information Statement National Weather Service San Francisco Bay Area 124 PM PST Mon Nov 24 2025 ...UPDATES TO NWS BAY AREA FROST AND FREEZE PROGRAM... ...Change #1 Frost/Freeze Now Seasonal... The National Weather Service San Francisco Bay Area has used the Freeze Watch, Frost Advisory, and Freeze Warning to cover both human and agriculture impacts on a year round basis. These products will now only cover agriculture threat and span the main summer growing season, April 1 through November 15. The National Weather Service San Francisco Bay Area is adopting the Cold Weather Advisory and Extreme Cold Watch and Warning, beginning now, to address cold impacts to humans. These products will be issued as needed throughout the year. ...Change #2 Frost/Freeze Program Has Ended for 2025... The National Weather Service San Francisco Bay Area will not issue any Frost Advisories or Freeze Watches and Warnings the remainder of this cold season. The next time these products may be issued is April 1, 2026. Given changes to the cold weather hazards, National Weather Service San Francisco Bay Area will opt to address cold weather impacts to agriculture with the Cold Weather Advisory and Extreme Cold Watches and Warnings; however, frost may not be denoted in the forecast. ...Change #3 Introduction of Cold Weather Advisory and Extreme Cold Watch and Warning... The National Weather Service San Francisco Bay Area has added Cold Weather Advisories, Extreme Cold Watches and Warnings. This is a 1 to 1 exchange when it comes to Frost Advisories and Freeze Watches and Warnings this cold season. *Cold Weather Advisory: Temperatures between 33 and 36 degrees. *Extreme Cold Watch: Temperatures may fall to or below 32 degrees. *Extreme Cold Warning: Temperatures at or below 32 degrees. Mountain zones will only have these products issued when the adjacent valley zones have either a Cold Weather Advisory or Extreme Cold Watch or Warning. National Weather Service San Francisco Bay Area will be coordinating and reviewing criteria with key stakeholders this winter to determine changes next years cold weather season. Feedback on the local Cold Weather Advisory and Warning program can be sent to brian.garcia@noaa.gov. $$