Flood Watch

Locations Affected

San Jose, CA ∙ Oakland, CA ∙ San Francisco, CA ∙ Fremont, CA ∙ Santa Rosa, CA ∙ Salinas, CA ∙ Sunnyvale, CA ∙ Hayward, CA ∙ San Mateo, CA ∙ Daly City, CA

Headline

.A potent Pineapple Express will move into the region Wednesday and continue into Thursday. This will bring substantial rainfall to the Bay Area and Monterey Bay region on top of already saturated soils. As a result look for rapid rises in area creeks, streams, and rivers. Bankfull exceedance is possible. In addition strong gusty winds will bring branches and trees down, which may cause localized damming of water ways. Rain will taper by Thursday afternoon, allowing for rivers to level off and begin to lower.

Full Alert Message

Flood Watch National Weather Service San Francisco CA 141 PM PST Tue Jan 3 2023 .A potent Pineapple Express will move into the region Wednesday and continue into Thursday. This will bring substantial rainfall to the Bay Area and Monterey Bay region on top of already saturated soils. As a result look for rapid rises in area creeks, streams, and rivers. Bankfull exceedance is possible. In addition strong gusty winds will bring branches and trees down, which may cause localized damming of water ways. Rain will taper by Thursday afternoon, allowing for rivers to level off and begin to lower. ...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY AFTERNOON... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central California and northern California, including the following areas, in central California, Mountains of San Benito County And Interior Monterey County including Pinnacles National Park, Northern Salinas Valley/Hollister Valley and Carmel Valley, Santa Lucia Mountains and Los Padres National Forest, Southern Monterey Bay and Big Sur Coast and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. In northern California, Coastal North Bay Including Point Reyes National Seashore, East Bay Hills, East Bay Interior Valleys, Eastern Santa Clara Hills, Marin Coastal Range, North Bay Interior Mountains, North Bay Interior Valleys, Northern Monterey Bay, San Francisco, San Francisco Bay Shoreline, San Francisco Peninsula Coast, Santa Clara Valley Including San Jose, Santa Cruz Mountains and Sonoma Coastal Range. * WHEN...From late tonight through Thursday afternoon. * 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. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - 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.

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