BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Francisco CA
243 AM PST Wed Dec 24 2025
The National Weather Service in San Francisco has issued a
* Severe Thunderstorm Warning for...
San Mateo County in northern California...
Northwestern Santa Clara County in northern California...
Northwestern Santa Cruz County in northern California...
* Until 315 AM PST.
* At 243 AM PST, severe thunderstorms were located along a line from
near Millbrae to 19 miles southwest of Woodside, or along a line
from near Millbrae to 21 miles southwest of Palo Alto, moving north
at 40 mph.
HAZARD...60 mph wind gusts and small hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Daly City, San Mateo, Redwood City, Palo Alto, South San Francisco,
San Bruno, Pacifica, Menlo Park, Foster City, Los Altos,
Burlingame, San Carlos, East Palo Alto, Belmont, Millbrae, Half
Moon Bay, Hillsborough, Los Altos Hills, Atherton and Woodside.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Storms will be capable of producing large quantities of accumulating
hail. This may result in slick and hazardous driving conditions. Slow
down and use caution if driving.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
Seek shelter immediately inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3714 12234 3720 12241 3736 12240 3748 12245
3752 12252 3770 12250 3770 12239 3761 12238
3759 12232 3753 12228 3757 12229 3757 12225
3753 12227 3755 12222 3751 12225 3750 12222
3749 12223 3751 12214 3748 12212 3725 12212
TIME...MOT...LOC 1042Z 186DEG 34KT 3756 12245 3745 12236 3717 12242
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
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