SAN FRANCISCO—The National Weather Service has issued a flash flood watch notice for San on Monday, January 23. The flash flood is predicted to be last between 2:53 a.m. to 6:00 p.m.
Heavy periods of showers and thunderstorms impacted the region through the weekend, leading to the possible floods. Additional rainfall, including brief heavy downpours in the form of strong showers and thunderstorms, can result in the occurrence of flash flooding, the notice states. Bay area residents are cautioned against possible mud/rock slides and downed trees.
The flash flood cautionary warning is applicable to both coastal and urban areas, including regions such as Point Reyes National Seashore, North Bay Interior Valleys, the North Bay Mountains, the San Francisco Bay Shoreline and the San Francisco peninsula coast. Urban regions under impact include the cities of San Francisco, San Jose, Pleasanton, Boulder Creek, San Ramon, Livermore, Walnut Creek, Hayward, Daly City, and Berkeley.