WGUS66 KMTR 221134 FFAMTR URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service San Francisco CA 334 AM PST Mon Dec 22 2025 CAZ006-508>510-512>518-528>530-221945- /O.EXB.KMTR.FA.A.0005.251223T1800Z-251227T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ San Francisco-San Francisco Bay Shoreline-San Francisco Peninsula Coast-East Bay Interior Valleys-Santa Cruz Mountains-Santa Clara Valley Including San Jose-Eastern Santa Clara Hills-East Bay Hills-Southern Salinas Valley/Arroyo Seco and Lake San Antonio- Santa Lucia Mountains and Los Padres National Forest-Mountains of San Benito County And Interior Monterey County including Pinnacles National Park-Northern Salinas Valley/Hollister Valley and Carmel Valley-Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast- Including the cities of Seaside, Daly City, Pittsburg, Oakland, Hayward, Fremont, Scotts Valley, Monterey, San Francisco, Greenfield, San Ramon, Concord, Livermore, Berkeley, San Jose, Live Oak, Pleasanton, Marina, Watsonville, Salinas, Santa Cruz, Antioch, Cordoza Ridge, Boulder Creek, Pacifica, Blackhawk, King City, Walnut Creek, and Day Valley 334 AM PST Mon Dec 22 2025 ...FLOOD WATCH IN EFFECT FROM TUESDAY MORNING THROUGH FRIDAY EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...San Francisco County, San Mateo Peninsula, East Bay, South Bay, and Central Coast * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A series of atmospheric rivers will result in multiple rounds of moderate to heavy rainfall this week across the Bay Area and Central Coast. An additional 2-4" of rain is expected across the interior with locally higher totals between 4-6" across the Santa Cruz Mountains and up to 8" across the Santa Lucia Range. Flooding potential will increase with each successive round of rain. Sharp rises in smaller creeks and streams are expected with at least some potential for minor flooding in mainstream rivers. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ CAZ502>506-221945- /O.CON.KMTR.FA.A.0005.000000T0000Z-251227T0600Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marin Coastal Range-Sonoma Coastal Range-North Bay Interior Mountains-Coastal North Bay Including Point Reyes National Seashore-North Bay Interior Valleys- Including the cities of Sausalito, San Rafael, Tamalpais-Homestead, Novato, South Santa Rosa, Napa, Angwin, Petaluma, Rohnert Park, Woodacre, Santa Rosa, and Lagunitas-Forest Knolls 334 AM PST Mon Dec 22 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Northern San Francisco Bay Area (Napa, Sonoma, and Marin counties). * WHEN...Through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low water crossings may become flooded. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of moderate to heavy rainfall are expected across the North Bay this week. An additional 6-8" is possible over the North Bay Mountains and 4-5" over the North Bay Valleys by Friday. Nuisance flooding will increase throughout the week with sharp rises in smaller creeks and minor flooding along some of the mainstream rivers (Russian River, Napa River). Debris flows are possible particularly for the Pickett Burn Scar. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. && $$ Kennedy