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article imageRecord heat wave engulfs San Francisco Bay Area

By Nathan Salant     May 12, 2014 in Environment
San Francisco's already hot, strictly in terms of temperature, of course, but today's 90-degree weather was just the beginning.
That was the word Monday from the US National Weather Service, which forecasts temperatures climbing as high as 100 degrees Fahrenheit (38 Celsius) by Wednesday.
"It's going to be very hot," NWS meteorologist Diana Henderson told the San Francisco Chronicle newspaper.
"Tuesday will be warmer than Monday, definitely, and Wednesday will be the worst," she said.
The weather service issued a heat advisory for the entire region on Tuesday and Wednesday, the newspaper said.
On Wednesday, the mercury is expected to hit 92 in San Francisco and 95 in Oakland -- across the bay -- setting records in both cities.
A high pressure system has settled over the region and warm air from the Central Valley and points east is flooding in, the newspaper said.
"Non-technically speaking, it's cutting off our air conditioning," Henderson said.
Other unseasonable highs are predicted in San Jose (96), Livermore (101) and Gilroy (103).
Experts advised residents to remember common sense when the weather gets hot -- that means avoid prolonged exposure to the sun, drink plenty of water and don't leave kids or pets in closed cars, the newspaper said.
Hot weather also means elevated smog levels, and the Bay Area Air Quality Management District has already issued high-ozone alerts for Monday and Tuesday, and said Wednesday and Thursday will also likely see excessive levels.
BAAQMD officials are advising people with respiratory problems as well as the young and elderly to try to limit their time outdoors.
But everyone is urged to drive less and ride public transportation whenever possible.
Cooler weather is expected to resume by Thursday, the newspaper said.
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