The Bay Area is currently under a Frost Advisory that extends into the weekend, with the National Weather Service warning residents of interior portions of the Bay Area and Central Coast to expect temperatures to drop into the mid to lower 30s. The National Weather Service Frost Advisory announces the cold wave through Thursday morning and again from Thursday night until Friday morning, expanding to include Friday night to Saturday morning for certain regions.
With cold mornings as a companion through the holiday weekend, temperatures are projected to warm only slightly as we edge into December, with the season's typical chill hanging in the balance. "High pressure continues to build over the West Coast with cooler mornings and drier conditions on tap for the next few days," outlines the Area Forecast Discussion, while fog stands a chance to blanket the interior valleys of Sonoma County during the morning hours. The central nerve of this forecast is the Frost Advisory, which has alerted several areas.
The extended advisory includes portions of the North Bay, East Bay, South Bay, and Southern Salinas Valley with the expectation of near-freezing temperatures. According to the latest weather reports, locations in Southern Monterey County and the North Bay Valleys may experience temperatures as low as 30 degrees. This prediction prompts residents to remain vigilant and take adequate measures to combat the seasonal bite.
Looking beyond the immediate frost, the forecast also hints at a tranquil period dominated by high pressure and upper-level ridging, pushing the storm track well to the north of us. Despite the weather service's low confidence in rain predictions for the tail end of next week, high temperatures in the mid to upper 60s, with areas of Santa Clara Valley and Central Coast possibly reaching the low 70s, beckon the residents to relish the season's crisp splendor.
Meanwhile, aviators can anticipate VFR conditions through the TAF period, with winds maintaining a light grip through to Friday. Monterey Bay terminals, in particular, can expect light to moderate southeast drainage winds through the morning, as per the aviation-specific part of the forecast discussion.
Mariners are advised that mostly light to moderate north winds persist into the next work week, with light northwest swelling and moderate periods set to continue across the waters through the weekend. However, a southerly swell with a longer period will start to wane as the weekend progresses, signifying a gradual return to calmer maritime conditions.
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