The warm air aloft and the cool ocean sea surface temperatures is creating what is called a temperature inversion, the reversal of the normal decrease of air temperature with altitude.

As the San Francisco Bay Area enters the seventh day of a historic heat wave, forecasters are warning people to drink plenty of water and stay inside.

Air conditioners across the Bay Area have been blasting for days amid the record-breaking heat wave, and many residents can expect their next energy bill to reflect that. But just in time, a PG&E credit is on its way that will help offset soaring bills.