Flash Flood Warning in Effect

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    NEWSLETTERS

    TK
    NBC 7 San Diego
    An image from NBC 7 Interactive Radar showing thunderstorm activity as of 5 p.m. Saturday.

    The National Weather Service has issued a flash flood warning for north central San Diego and Riverside counties effective through 6 p.m. Saturday.

    Check Interactive Radar here

    Meteorologists say there are thunderstorms producing heavy rain in the area near the county line.

    Whitney Southwick's Midday Forecast for Friday Aug 30, 2013

    [DGO] Whitney Southwick's Midday Forecast for Friday Aug 30, 2013
    Whitney Southwick's Midday Forecast for Friday Aug 30, 2013

    Rainfall rates could range between 1 to 1.25 inches in one hour according to the National Weather Service. Scattered thunderstorms could potentially produce heavy rainfall and flash flooding throughout the afternoon.

    The rainfall could then lead to mud and debris flows.

    The area that may be affected is northeast of Valley Center. The NWS said the excess rain could cause the Agua Caliente Creek to overflow its banks. That creek travels near State Route 79 in Warner Springs.

    The warning also impacts portions of State Route 78 west of Borrego Springs and State Route 52 north of Agua Caliente Springs. Ocotillo Wells is also included in the warning.