https://www.mercurynews.com/2020/08/14/bay-area-heat-wave-arrives-record-temperatures-expected/

Records are expected to fall. Advisories have been changed to warnings. And PG&E is warning customers to conserve electricity.

So it is with the Bay Area’s late summer heat wave, which arrived in full Friday morning and is packing such a kick that not even the experts know how long it will stick around.