Bay Area/ San Francisco

Bay Area on High Alert as Atmospheric River Threatens Flooding and Gusty Winds, North Bay Could See Over 10 Inches of Rainfall

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Published on November 20, 2024
Bay Area on High Alert as Atmospheric River Threatens Flooding and Gusty Winds, North Bay Could See Over 10 Inches of RainfallSource: Iamnoone069, CC BY-SA 4.0, via Wikimedia Commons

The Bay Area braces for continued weather impacts as a strong Atmospheric River bears down, delivering significant rainfall and prompting concerns for flooding and other related hazards. In a report by the National Weather Service San Francisco, meteorologists issued a Flood Watch through Saturday morning for the North Bay. They laid out a comprehensive picture of the impending weather situation. The report forecasts a staggering 5-12 inches of rainfall in the North Bay from Wednesday to Sunday and winds gusting up to 45-50 mph under a Wind Advisory for various areas, including the San Francisco Bayshore and Pacific coast.

Adding to the narrative, the NWS Bay Area emphasized the particularly dire situation for the North Bay via a social media post, predicting 10-15 inches of rainfall and an escalated flood threat while urging the public to keep clear of flood-prone regions and in the throes of this deluge, the reality of what's to unfold over the coming days weighs heavily on communities still grappling with the memories of past storms and their mark left upon the land. A follow-up post from NWS Bay Area this morning indicated that rainfall has been steadily intensifying across the North Bay; parts of Sonoma County have recorded up to 1 1/2 inches over a mere 12-hour period, pointing toward a pattern of persistent and prolonged precipitation.

Rainfall is predicted to spread beyond the North Bay toward the greater Bay Area, per NWS San Francisco’s analysis, a narrative corroborated by real-time observations and reinforced by the fact that as this atmospheric onslaught unfolds, it is not sheltering the city’s concrete arteries from the sky's open veins, where waters rush into gutters, seeking passage through the urban labyrinth. While the immense rivers should refrain from breaching their banks thanks to their current capacity, smaller creeks, streams, and urban areas remain vulnerable to significant impacts from this event.

The aviation sector, too, is bearing the brunt of the storm's fury as flights navigate gusty conditions and canceled routes, airports anticipating travel woes, and the marine sphere finds itself at the mercy of the tempestuous seas with gales worthy of a sailor's respect, conditions described as unpredictable and incredibly dangerous for all but the most robust vessels, but even with the rage of storm's heart beginning its gradual weakening, mariners are warned that the sea’s ferocity will not abate until the weekend.