FFWMTR
The National Weather Service in San Francisco has issued a
* Flash Flood Warning for…
Northwestern San Mateo County in northern California…
* Until 500 PM PST.
* At 200 PM PST, local law enforcement reported flash flooding in NW
San Mateo. Between 0.5 and 1 inch of rain has fallen. Additional
rainfall amounts of 1 to 3 inches are possible in the warned area.
Flash flooding is already occurring.
HAZARD…Flash flooding caused by heavy rain.
SOURCE…Law enforcement reported.
IMPACT…Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include…
Daly City, South San Francisco, San Bruno, Pacifica, Brisbane,
Colma and Broadmoor.
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK…
No watches are valid as of Mon Apr 21 12:35:01 UTC 2025.
No Mesoscale Discussions are in effect as of Mon Apr 21 12:35:01 UTC 2025.
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0307 AM…
* AFFECTED AREA...Fire Weather Zones 242, 244, 246, 247, 248, 249, 250 and 251. *…
* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Trinity County. *…
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