Summer Rain Spurs Flash Flood Watch For LA County

LOS ANGELES, CA — Weather forecasters issued a flash flood for parts of Los Angeles County early Monday as the Southland is hit with a bout of summer rain.

The flash flood watch applied to the San Gabriel Valley, Antelope Valley and the L.A. County Mountains, excluding the Santa Monica Mountain range. The flash flood watch is effective until 8 p.m., Monday.

Cities that are likely to be impacted by flooding include Alhambra, East Los Angeles, El Monte, Falling Springs, Lancaster, Palmdale, Pasadena, Pomona, Reyes Peak, Topatopa Peak, West Covina and Whittier, according to the National Weather Service.

Areas that have recently experienced fires are also susceptible to flash flooding including the Bobcat, Dam, Ranch 2 and Lake burn areas.

Light showers and the slight chance of thunderstorms are expected throughout Monday, the weather service said. Brief heavy rain and gusty winds could also occur.

Residents in the impacted areas are being urged by the weather service to remain alert and follow the directions of any emergency officials.

Visit the U.S. Geological Survey for more information on debris flows from flash flooding in burn areas and their impact on their surrounding environment.