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Areal Flood Advisory 0095
Issued by the San Francisco Bay Area / Monterey Forecast Office

Action Issued Starts Expiration
New 2025-12-25 20:14:44 2025-12-25 20:13:00 2025-12-25 22:15:00
Expired 2025-12-25 22:14:03 2025-12-25 22:15:00


Action: New
Issued At: 2025-12-25 20:14:44

579 
WGUS86 KMTR 260213
FLSMTR

Flood Advisory
National Weather Service San Francisco CA
613 PM PST Thu Dec 25 2025

CAC081-085-087-260415-
/O.NEW.KMTR.FA.Y.0095.251226T0213Z-251226T0415Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Mateo CA-Santa Clara CA-Santa Cruz CA-
613 PM PST Thu Dec 25 2025

...FLOOD ADVISORY IN EFFECT UNTIL 815 PM PST THIS EVENING...

* WHAT...Urban area and small stream flooding caused by excessive
  rainfall is expected.

* WHERE...San Mateo County in northern California...
  Northwestern Santa Clara County in northern California...
  West Central Santa Cruz County in northern California...

* Until 815 PM PST.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS...
  - At 613 PM PST, Doppler radar indicated heavy rain due to
    thunderstorms. This will cause urban and small stream flooding.
  - Some locations that will experience flooding include...
    San Mateo, Redwood City, Palo Alto, Menlo Park, Foster City, San
    Carlos, East Palo Alto, Belmont, Half Moon Bay, Hillsborough, Los
    Altos Hills, Atherton, Woodside, Stanford, North Fair Oaks,
    Highlands-Baywood Park, Portola Valley, Emerald Lake Hills, West
    Menlo Park and Highlands.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3712 12234 3724 12242 3725 12240 3736 12240
      3740 12243 3751 12241 3758 12232 3753 12228
      3756 12229 3754 12225 3753 12227 3754 12223
      3752 12225 3749 12223 3752 12220 3747 12212
      3711 12229


$$

BKM


Action: Expired
Issued At: 2025-12-25 22:14:03

337 
WGUS86 KMTR 260413
FLSMTR

Flood Advisory
National Weather Service San Francisco CA
813 PM PST Thu Dec 25 2025

CAC081-085-087-260423-
/O.EXP.KMTR.FA.Y.0095.000000T0000Z-251226T0415Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Mateo CA-Santa Clara CA-Santa Cruz CA-
813 PM PST Thu Dec 25 2025

...FLOOD ADVISORY WILL EXPIRE AT 815 PM PST THIS EVENING...

The Flood Advisory will expire at 815 PM PST this evening for a
portion of northern California, including the following areas, San
Mateo, Santa Clara and Santa Cruz.

The heavy rain has ended. Urban area and small stream flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.

A Flood Watch remains in effect until 1000 PM PST Friday for portions
of central and northern California...

&&

LAT...LON 3712 12234 3724 12242 3725 12240 3736 12240
      3740 12243 3751 12241 3758 12232 3753 12228
      3756 12229 3754 12225 3753 12227 3754 12223
      3752 12225 3749 12223 3752 12220 3747 12212
      3711 12229


$$

BKM



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