Droughts and Heat Waves

The Heat is On: State power agency issues Flex Alerts for San Diego and Southern California

The Heat is On: State power agency issues Flex Alerts for San Diego and Southern California

The operator of the state's electric grid urged Californians to cut power consumption Tuesday and Wednesday, July 24-25 to help the region deal with a record-breaking heat wave.

The hot spell is the second of the month for San Diego. But this was the first time this year that the California Independent System Operator Corp. (CAISO) issued so-called Flex Alerts. The voluntary power cutbacks were in effect from 5 p.m. to 9 p.m.

Temperatures Tuesday ranged from the mid-to-upper 80s at the coast to the upper 90s and low 100s across inland valleys and foothills. Wednesday was to be the hottest day. Thursday would be only marginally cooler, said the National Weather Service...

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