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San Diego County hit with another round of rain, thunderstorms

Posted at 7:33 AM, Aug 02, 2017
and last updated 2017-08-02 20:04:54-04

SAN DIEGO (KGTV) - Another round of rain and thunderstorms is expected to hit San Diego County Wednesday, which could mean possible flash flooding in parts of the region.

The 10News Pinpoint Weather Forecast calls for scattered showers and isolated thunderstorms around the county throughout the day and into the evening. The majority of the activity is expected in the mountains, inland valleys and desert areas.

A Flash Flood Watch was issued at 2:35 a.m. for those parts of the county, and it is in effect through 10 p.m.

A flash flood watch means conditions may develop that lead to flash flooding, according to the National Weather Service. The cities under the flood watch are El Cajon, La Mesa, Santee, Escondido, Poway, San Marcos, Julian and Pine Valley.

The NWS said: "A very moist and unstable air mass in place over Southern California will interact with several disturbances moving over the region from the southeast, to produce occasional showers and thunderstorms through this evening. The main focus for areas of heavy rainfall and flash flooding will be over inland areas, however some of the rain is likely to affect areas closer to the coast as well. In addition to the flash flood risk for inland areas, the heavy rain could produce flooding problems over urbanized land and debris flows below recent burn scars."

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The clouds were so heavy, the lights came on at Petco Park during the afternoon Padres game.

According to 10News Meteorologist Megan Parry, the conditions will be muggy and tropical-like through Thursday, but humidity will begin to drop Friday and becoming more comfortable by the weekend as the sea-breeze returns.

Temperatures will gradually warm through Friday with 80s at the beaches and 90s for the valleys for the rest of the work week, Parry said.

Rain, hail, and several lightning strikes were reported during Tuesday's summer storm.