December 6, 2018 (San Diego) -- The National Weather Service has issued flash flood watchings, warnings and advisories across our region. A flash flood warning, the most severe alert, is in effect now through 8:30 p.m. for Chula Vista, Descanso, El Cajon, National City, La Mesa, Poway, Imperial Beach, Ramona, Coronado, Alpine , portions of the San Diego city limits, and Mission Valley. An advisory is in effect for a broader area spanning the entire county from coasts to deserts.
Thunderstorms are producing heavy rain across the warned area. A half to nearly an inch of rain has already fallen with another inch or more expected.
Do not attempt to drive across a flooded roadway and stay indoors during thunder and lightning.