Flash flood warning issued for region

The National Weather Service has announced a flash flood warning is in effect for North San Diego and Southern Riverside counties from 1:10 to 8 p.m. today, Friday, August 17.

Experts say, "subtropical moisture will continue to spread across southern California for the next several days with sufficient daytime heating and instability; slow-moving thunderstorms will form and be capable of producing very heavy rain, large rainfall amounts, and flash flooding."

"Recently burned areas in the mountains and foothills will be particularly susceptible to flash flooding and debris flow."...