The National Weather Service (NWS) San Francisco Bay Area extended its Heat Advisory into this evening for residents across the interior East Bay, as temperatures are expected to hit the mid-90s to near 100 degrees. Despite the advisory until 8 PM, relief is on the horizon. The National Weather Service forecasts a significant cool-down starting Wednesday due to a trough building over the West Coast, bringing temperatures closer to seasonal averages.
While the heat persists, the NWS reminds the public of critical heat safety practices: Stay hydrated, wear lightweight and light-colored clothing, and never leave people or pets unattended in vehicles. Besides the interior East Bay, the advisory for the Santa Cruz Mountains, Santa Clara Valley, and Eastern Santa Clara Hills has been lifted, as reported by the NWS San Francisco Bay Area.
According to an X post from NWS Bay Area, the regional cooldown is anticipated to feel drastic compared to today's scorching heat. This is a response to an upper-level trough off the West Coast. This shift in weather patterns may be a welcome change for Bay Area residents who have endured several days of above-average temperatures.
Clear sky conditions this morning will lead to rapid warming by this afternoon with a Heat Advisory in effect for the interior East Bay through 8 PM this evening. Drastic cool-down for Wednesday in response to an upper level trough off of the West Coast. #CAwx #BayAreaWX pic.twitter.com/0I6he56RFX
— NWS Bay Area 🌉 (@NWSBayArea) September 24, 2024
For aviation, coastal stratus and fog seem to affect the visibility along the coast, with a coastally trapped southerly wind reversal in effect. In the marine sector, the Bay Area will experience light northwesterly breezes forecasted to strengthen by Thursday, causing seas to build, especially in outer waters. The marine and aviation outlooks and the coastal weather changes continue to depict a region amid a dynamic shift that will segue from sweltering heat to more tempered climates.
