What areas of the Bay Area were affected by the heavy rainfall?

The article mentions that San Francisco, Alameda, Contra Costa, San Mateo, and Santa Clara counties were under a flood advisory due to the heavy rainfall.

How did the Pickett Fire burn scar in Napa County impact the storm's effects?

The National Weather Service issued a flash flood warning for the area surrounding the Pickett Fire burn scar, as the heavy rainfall and potential for dangerous debris flows posed a threat to residents and motorists.

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Bay Area Battered by Intense Storm, Flooding, and Debris Flow Threats

Q: What were some of the traffic-related issues caused by the storm?

The article states that the California Highway Patrol reported dozens of collisions, roadway flooding, and other hazards on the freeways across the Bay Area, snarling the afternoon commute.

14 Oct

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Summary

Heavy rainfall causes flooding in San Francisco, Napa County
Flash flood warning issued for Pickett Fire burn scar area
Multiple traffic incidents snarl afternoon commute across the Bay

Bay Area Battered by Intense Storm, Flooding, and Debris Flow Threats

On October 14, 2025, a powerful storm system brought heavy rainfall to the Bay Area, leading to widespread flooding and disruptions. In San Francisco, various streets experienced localized flooding as the city was soaked by downpours, with crews from the San Francisco Public Works department working to clear clogged storm drains.

The National Weather Service issued a flood advisory for San Francisco and surrounding counties, warning of minor flooding in low-lying and poor drainage areas. The San Francisco Fire Department responded to several reports of flooded streets and buildings, urging residents to stay home and drivers to avoid entering deep puddles.

Elsewhere in the Bay Area, the storm caused havoc on the freeways, with the California Highway Patrol reporting dozens of collisions, roadway flooding, and other hazards. A possible tornado also touched down near Pescadero in San Mateo County, and the National Weather Service will investigate the damage on Tuesday.