Flood Advisory Issued for Deserts, Mountains, Valleys

The warning remains in effect through 6 p.m. Thursday

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    NEWSLETTERS

    NBC 7 San Diego
    NBC 7's Interactive Radar as of 2:20 p.m. Thursday shows rain and thunderstorms across the county.

    A flood advisory was issued Thursday for San Diego County deserts, mountains and valleys, according to the National Weather Service (NWS).

    The flood advisory is in effect from 1 p.m. to 6 p.m. and impacts eastern San Diego County, including State Routes 78 and 79 and Interstate 8.

    Locations affected by the advisory include: Julian; Pine Valley; Banner; Boulevard; Campo; Cuyamaca Peak’ Descanso; Jacumba; Lake Henshaw; Live Oak Springs; Morena Vuillage; Mount Laguna; Ranchita; Santa Ysabel; Shelter Valley; Tierra Del Sol; Warner Springs.

    As of 1 p.m., the NWS says isolated thunderstorms will continue to build from the U.S.-Mexico border along Sunrise Highway and to Warner Springs. These thunderstorms are capable of very heavy rainfall and rapid runoff, which could lead to flooding, dry washes and water or debris flowing across roadways.

    Many of the aforementioned impacted areas have experienced significant rainfall over the past 10 days. Heavy rain producing thunderstorms will travel south to north through the afternoon.
     
    Meanwhile, a flash flood warning was simultaneously issued for east central San Diego County, effective through 4:30 p.m. Thursday.

    Radar data indicates flash flooding from a storm over east central areas including Miller Creek, Diabold Canyon and Fred Canyon along San Diego Mountains. The storms are capable of strong wind gusts and torrential rainfall.

    The warning includes locations such as Mount Laguna, Pine Valley, Chariot Burn Scar, Sunrise Highway and access ramps to I-8. The NWS says motorists should avoid flooded roadways.

    The NWS also issued a severe thunderstorm warning Thursday through 3:15 p.m. in Central San Diego County. The severe thunderstorm is capable of producing quarter-size hail and winds in excess of 70 mph.

    The storm is located near Julian and approximately 11 miles east of Ramona. It’s moving northwest at 10 mph and impacts the SR-78 and SR-79 interchange.

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