|
Home Return to list Areal Flood Advisory 0089 Issued by the San Francisco Bay Area / Monterey Forecast Office
Action: New Issued At: 2025-12-25 03:03:40
014
WGUS86 KMTR 250903
FLSMTR
Flood Advisory
National Weather Service San Francisco CA
103 AM PST Thu Dec 25 2025
CAC075-081-251200-
/O.NEW.KMTR.FA.Y.0089.251225T0903Z-251225T1200Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Francisco CA-San Mateo CA-
103 AM PST Thu Dec 25 2025
...FLOOD ADVISORY IN EFFECT UNTIL 4 AM PST EARLY THIS MORNING...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...San Francisco County and San Mateo County in northern
California...
* Until 400 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 103 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area.
- Some locations that will experience flooding include...
San Francisco, Daly City, San Mateo, Redwood City, South San
Francisco, San Bruno, Pacifica, Menlo Park, Foster City,
Burlingame, San Carlos, Belmont, Millbrae, Half Moon Bay,
Hillsborough, Atherton, Woodside, Highlands-Baywood Park, El
Granada and Portola Valley.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3778 12251 3781 12248 3780 12240 3775 12239
3772 12236 3771 12236 3773 12238 3764 12240
3753 12228 3755 12226 3722 12217 3720 12236
3723 12242 3736 12240 3748 12245 3751 12251
3758 12252 3766 12249
$$
KR
Action: Time Extended Issued At: 2025-12-25 05:49:07
825
WGUS86 KMTR 251148
FLSMTR
Flood Advisory
National Weather Service San Francisco CA
348 AM PST Thu Dec 25 2025
CAC075-081-251330-
/O.EXT.KMTR.FA.Y.0089.000000T0000Z-251225T1330Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Francisco CA-San Mateo CA-
348 AM PST Thu Dec 25 2025
...FLOOD ADVISORY NOW IN EFFECT UNTIL 530 AM PST EARLY THIS
MORNING...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...San Francisco County in northern California...
San Mateo County in northern California...
* Until 530 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 348 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 4 inches of rain
have fallen.
- Some locations that will experience flooding include...
San Francisco, Daly City, San Mateo, Redwood City, South San
Francisco, San Bruno, Pacifica, Menlo Park, Foster City,
Burlingame, San Carlos, Belmont, Millbrae, Half Moon Bay,
Hillsborough, Atherton, Woodside, Highlands-Baywood Park, El
Granada and Portola Valley.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3778 12251 3781 12248 3780 12240 3775 12239
3772 12236 3771 12236 3773 12238 3764 12240
3753 12228 3755 12226 3722 12217 3720 12236
3723 12242 3736 12240 3748 12245 3751 12251
3758 12252 3766 12249
$$
KR
Action: Time Extended Issued At: 2025-12-25 07:17:10
213
WGUS86 KMTR 251316
FLSMTR
Flood Advisory
National Weather Service San Francisco CA
516 AM PST Thu Dec 25 2025
CAC075-081-251430-
/O.EXT.KMTR.FA.Y.0089.000000T0000Z-251225T1430Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Francisco CA-San Mateo CA-
516 AM PST Thu Dec 25 2025
...FLOOD ADVISORY NOW IN EFFECT UNTIL 630 AM PST THIS MORNING...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...San Francisco County in northern California...
San Mateo County in northern California...
* Until 630 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 516 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 4 inches of rain
have fallen.
- Some locations that will experience flooding include...
San Francisco, Daly City, San Mateo, Redwood City, South San
Francisco, San Bruno, Pacifica, Menlo Park, Foster City,
Burlingame, San Carlos, Belmont, Millbrae, Half Moon Bay,
Hillsborough, Atherton, Woodside, Highlands-Baywood Park, El
Granada and Portola Valley.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3778 12251 3781 12248 3780 12240 3775 12239
3772 12236 3771 12236 3773 12238 3764 12240
3753 12228 3755 12226 3722 12217 3720 12236
3723 12242 3736 12240 3748 12245 3751 12251
3758 12252 3766 12249
$$
KR
Action: Time Extended Issued At: 2025-12-25 07:54:41
035
WGUS86 KMTR 251354
FLSMTR
Flood Advisory
National Weather Service San Francisco CA
554 AM PST Thu Dec 25 2025
CAC075-081-251630-
/O.EXT.KMTR.FA.Y.0089.000000T0000Z-251225T1630Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Francisco CA-San Mateo CA-
554 AM PST Thu Dec 25 2025
...FLOOD ADVISORY NOW IN EFFECT UNTIL 830 AM PST THIS MORNING...
* WHAT...Flooding caused by excessive rainfall continues.
* WHERE...San Francisco County and San Mateo County in northern
California...
* Until 830 AM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 554 AM PST, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 4 inches of rain
have fallen.
- Some locations that will experience flooding include...
San Francisco, Daly City, San Mateo, Redwood City, South San
Francisco, San Bruno, Pacifica, Menlo Park, Foster City,
Burlingame, San Carlos, Belmont, Millbrae, Half Moon Bay,
Hillsborough, Atherton, Woodside, Highlands-Baywood Park, El
Granada and Portola Valley.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
&&
LAT...LON 3778 12251 3781 12248 3780 12240 3775 12239
3772 12236 3771 12236 3773 12238 3764 12240
3753 12228 3755 12226 3722 12217 3720 12236
3723 12242 3736 12240 3748 12245 3751 12251
3758 12252 3766 12249
$$
KR
Action: Expired Issued At: 2025-12-25 10:26:14
907
WGUS86 KMTR 251626
FLSMTR
Flood Advisory
National Weather Service San Francisco CA
826 AM PST Thu Dec 25 2025
CAC075-081-251636-
/O.EXP.KMTR.FA.Y.0089.000000T0000Z-251225T1630Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Francisco CA-San Mateo CA-
826 AM PST Thu Dec 25 2025
...FLOOD ADVISORY WILL EXPIRE AT 830 AM PST THIS MORNING...
The Flood Advisory will expire at 830 AM PST this morning for a
portion of northern California, including the following areas, San
Francisco and San Mateo.
The heavy rain has ended. 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 3778 12251 3781 12248 3780 12240 3775 12239
3772 12236 3771 12236 3773 12238 3764 12240
3753 12228 3755 12226 3722 12217 3720 12236
3723 12242 3736 12240 3748 12245 3751 12251
3758 12252 3766 12249
$$
Sarment
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||