NOAA

• Special Weather Statement issued May 19 at 5:40AM PDT by NWS May 19, 2019
  ...SIGNIFICANT WEATHER ADVISORY FOR SAN FRANCISCO...SAN MATEO...SOUTHEAST MARIN...SOUTHERN SONOMA....WESTERN CONTRA COSTA...AND WESTERN ALAMEDA COUNTIES UNTIL 6:15 AM PST... At 535 AM PDT, Doppler radar was tracking a line of intense showers and isolated thunderstorms moving through the North Bay and approaching the San Francisco Peninsula. These showers and isolated
  w-nws.webmaster@noaa.gov