It’s the first time the reverse 911 system has been activated due to the hot weather.
As the hot weather continues in the Bay Area, a number of cities have opened up cooling centers where people can beat the heat.
What makes this current heat wave so uncommon, is the duration. Monday was the fifth-consecutive triple-digit temperature day in the inland Bay Area, away from the water, KPIX 5 chief meteorologist Paul Deanno observed.
The California Independent System Operator has issued a Flex Alert for Northern California for Monday and Tuesday, and is asking consumers to reduce their energy use because of anticipated high demand.
Hot and dry conditions are now expected to continue through Thursday in the San Francisco Bay Area, where an excessive heat warning remains in effect through Tuesday night.
A special statement from the National Weather Service indicated the Bay Area will experience hot temperatures until at least 7 p.m. Tuesday, and maybe longer.
There will be few places within the Bay Area to escape the heat this weekend, with temperatures on the rise even along the coast.
The Bay Area and the entire state of California were preparing Thursday for a scorching weekend that could see temperatures hit triple-digit highs in many areas, even above 5,000 feet in the mountains, as a massive heat wave rolls through the West Coast.
Temperatures are expected to be above normal in the Bay Area through the rest of the week. But forecasters said the first major storm of the season could hit the region next week.
A new study by climate researchers suggests California heat waves are trending toward being more humid with elevated nighttime temperatures and are becoming stronger in populous coastal areas.