Bay Area/ San Francisco/ Weather & Environment
AI Assisted Icon
Published on June 21, 2024
Bay Area Braces for Sweeping Heatwave with Temperatures Soaring to Mid-100s, NWS Issues Heat AdvisorySource: Supercarwaar, CC BY-SA 4.0, via Wikimedia Commons

The National Weather Service San Francisco CA has issued a heat advisory warning for the Bay Area, alerting residents of the impending high temperatures set to scorch the region this coming Saturday. According to the National Weather Service, interior regions including the Interior North Bay Mountains, East Bay, South Bay, Central Coast, and the Santa Lucias are expected to bear the brunt of the heatwave, with temperatures potentially ranging from the mid 90s to the mid 100s, creating conditions ripe for heat-related illnesses. The public has been advised to ensure they do not leave children or pets unattended in vehicles.

Starting today, inland temperatures are set to climb from the mid 80s to mid 90s, while coastal areas can expect to see milder temperatures hovering around the low to mid 60s. The NWS emphasized staying cautious as the risk of heat-related illnesses rises, particularly targeting those sensitive to high temperatures, such as children, the elderly, pregnant women, and individuals with certain medical conditions. As nighttime lows remain in the upper 40s to mid-50s in lower elevations, and upper 50s to lower 60s in higher terrains, the heatwave signifies a growing challenge for residents without proper cooling systems, according to the National Weather Service.

Furthermore, a marine layer stratus has developed along the coast, creating pockets of reduced visibility across the adjacent inland valleys. Although VFR conditions are expected to prevail through the rest of the period, the TAF update from the NWS indicates a persistent stratus along coastal terminals, creating IFR conditions intermittently before clearing later in the day. In response to these climatic shifts, NWS suggests that individuals stay hydrated, seek shade, and wear appropriate clothing while outdoors.

Despite the cooler oncoming relief, the weekend's extreme heat holds the potential for serious health risks, necessitating proactive and preventative measures by residents to ensure safety in all outdoor or poorly ventilated activities. In the maritime sphere, the Area Forecast Discussion warns of “moderate to fresh northwesterly winds" persisting, coupled with "strong near gale forced winds over the northern outer waters." Mariners are urged to heed advisories and be cautious of significant wave heights and potentially hazardous conditions.