Flash flood watch expected for mountains & deserts - San Diego, California News Station - KFMB Channel 8 - cbs8.com

Flash flood watch expected for mountains & deserts

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Photos taken by Phil Konstantin inside Chopper 8. Photos taken by Phil Konstantin inside Chopper 8.

SAN DIEGO (CNS) - Periods of heavy rainfall and a slight chance of thunderstorms were expected in already saturated San Diego County Friday.

Moderate to locally strong northeast winds will develop Friday and Saturday through and below the passes and canyons, according to the National Weather Service.

On Thursday, the blustery atmospheric pattern generated its strongest showers in the northern and eastern reaches of county. The NWS recorded more than a half-inch of rainfall in Lake Cuyamaca, Julian, Pine Hills, San Onofre, Fallbrook Deer Springs and at the Palomar Observatory.

Elsewhere in the county, precipitation totals were generally a third of an inch or less.

With heavier rainfall expected Friday, flash flooding could be a concern, according to the weather service.

The agency scheduled a flash flood watch for the mountains and deserts from this afternoon through this evening, saying a half-inch to an inch of heavy rainfall and rapid runoff was possible.

A flash flood watch means that conditions may develop that lead to flash flooding.

"Flash flooding is a very dangerous situation," according to the NWS, which urged residents to watch for later forecasts and be prepared to take action should the watch being upgraded to a more-serious flash flood warning. A warning means the conditions are expected or already occurring.

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