Wild change in weather brings thunderstorms - San Diego, California Talk Radio Station - AM 760 KFMB

Wild change in weather brings thunderstorms

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Photo courtesy of  Bruce in Alpine Photo courtesy of Bruce in Alpine
Photo courtesy of Danny in El Cajon Photo courtesy of Danny in El Cajon
SAN DIEGO (CNS) - Parts of San Diego County were seeing cooler weather and rain Friday, but temperatures in the triple digits are again expected in the deserts, forecasters said.

Isolated thunderstorms developed this morning in parts of the county, and National Weather Service forecasters said a few spots in the South County where the storm cells are sticking around could get up to a half-inch of rain.

Heavy rain, thunder and lightning were reported near the El Cajon-La Mesa border and in Spring Valley before 8 a.m.

What's the weather like this morning in your neighborhood? Send us your weather photos at yourphotos@kfmb.com .

Friday’s forecast also called for a slight chance of thunderstorms in the mountains this afternoon and early evening as a narrow band of elevated instability drifts north with scattered thunderstorms and isolated cloud-to-ground lightning, according to the weather service.

"The combination of a deeper marine layer from a coastal eddy, mid- and high cloud cover and an increase in low level moisture in the lower deserts will bring 5 to locally 10 degrees of cooling in most areas today," according to the advisory.

A NWS heat advisory was still set to remain in effect until 9 p.m. for the deserts, where high temperatures of 106 to 112 are expected.

However, weather service meteorologists said the decrease in temperatures in the deserts would be offset by increased humidity with little change or slightly higher heat index values.

High pressure over the Four Corners area of the western United States caused temperatures to soar in parts of San Diego County on Thursday. A record high of 107 degrees was reached in Campo, according to the National Weather Service.

Weather service forecasters said hot weather can be stressful for people and pets if precautions are not taken. Kids and pets must not be left unattended in vehicles because temperatures inside can quickly rise to lethal levels.

Strenuous outdoor activities should be rescheduled to early morning or evening hours, and those planning to spend time outdoors were advised to drink plenty of water and avoid alcoholic beverages.

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