Heat warnings issued for Central, Southern California

LOS ANGELES — Excessive heat warnings have been issued for many areas in Central and Southern California as the region braces for some of the hottest temperatures of the summer.

The warning goes into effect Tuesday at noon and will continue until 8 p.m. Wednesday, the National Weather Service said.

The late summer heat wave comes with some good news though, especially for firefighters, weather service meteorologist Eric Boldt said. It won't last long, there will be very little humidity and there won't be any winds.

By Friday, the heat wave should be over, Boldt said.

Electricity won't be a problem, said Stephanie McCorkle, spokeswoman for the California Independent System Operator in Folsom.

"We have 800 to 1,000 megawatts of hydroelectricity this summer due to the nice wet winter and spring and mild summer. Hydroelectricity is something we can keep for high demand periods. Since we have had no high demand periods, we have extra," she said.

Extreme heat will be a jolt to Californians who've had a cool summer thanks to cold water along the coast that kept forming a cloud cover over the state.

Water temperatures along the coast are still cool, in the 50s and lower 60s.

The heat is being caused by a large, high pressure system that has been sitting over Texas and the southern Plains and is shifting west, Boldt said.

He urged residents to use common sense — confine outdoor activities to mornings and evenings; stay in the shade while outside; seek respite in air conditioned buildings when possible; drink lots of fluid, especially water; and avoid excessive exercise.

If you will be in the sun, wear sunscreen. Without it, you will burn in 20 minutes, he said. And don't leave a child, a disabled person or a pet in a car, Boldt said.

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