NOUS46 KMTR 271914 PNSMTR CAZ502>506-282300- Public Information Statement National Weather Service San Francisco Bay Area 1214 PM PDT Mon Oct 27 2025 ...North Bay Area NOAA Weather Radio All Hazards Station Will Be Intermittently Off The Air for approximately five to ten minutes period on Tuesday, October 28 between 2pm and 4pm for routine maintenance... NOAA Weather Radio All Hazards transmitter WZ2504 serving Sonoma County operating on a frequency of 162.475 MHz will be intermittently off the air for approximately five to ten minute periods from 2pm to 4pm Tuesday, October 28 for routine maintenance. $$