Update 2:40 p.m. The fire is holding at 7 acres.
August 7, 2012 (San Diego's East County) - The National Weather Service has issued a flash flood warning for the south central portions of San Diego including but not limited to Pine Valley, Descanso and Morena Village.
In addition, a flash flood watch is in effect for East County's mountains and high desert areas. Hundreds of low water crossings are potentially dangerous in heavy rains, the NWS warns; do not attempt to drive through flooded roads as even a few inches of swiftly moving water can sweep a vehicle away.