A cold front moved through the Bay Area on January 20th bringing gusty west to northwest winds to the coast and scattered thunderstorms. Several reports were received of small hail.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MTR wrote it up.
A cold front moved through the Bay Area on January 20th bringing gusty west to northwest winds to the coast and scattered thunderstorms. Several reports were received of small hail.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Francisco Bay Area, CA wrote its last area forecast discussion before the first event at Jan 20, 3:34 PM PST, 1 hour 56 minutes earlier.
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</html>The San Francisco radar (KMUX), 46 km away, was scanning. The volume nearest the first event began at 02:05 UTC.
2 hail, 1 strong wind. Local standard time, as filed.
ASOS at San Francisco Airport reported sustained wind speeds around 30 mph peaking at 35 mph..
Spotter reported small hail east of Pleasanton.
Small thunderstorm cell moved just south of Redwood City. Public reported small hail.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2019Every state in 2019This day in weather historyWarnings in California, January 2019
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 797543, 797541, 797542.