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Home Return to list Areal Flood Advisory 0090 Issued by the San Diego Forecast Office
Action: New Issued At: 2025-12-24 09:21:44
209
WGUS86 KSGX 241521
FLSSGX
Flood Advisory
National Weather Service San Diego CA
721 AM PST Wed Dec 24 2025
CAC071-242130-
/O.NEW.KSGX.FA.Y.0090.251224T1521Z-251224T2118Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
721 AM PST Wed Dec 24 2025
...FLOOD ADVISORY IN EFFECT UNTIL 118 PM PST THIS AFTERNOON...
* WHAT...Urban and small stream flooding caused by excessive
rainfall is expected.
* WHERE...A portion of Southwest California, including the following
county, San Bernardino.
* WHEN...Until 118 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
* ADDITIONAL DETAILS...
- At 721 AM PST, Doppler radar indicated heavy rain. This will
cause urban and small stream flooding. Between 0.5 and 1 inch
of rain has fallen.
- Additional rainfall amounts of 2 to 4 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Riverside, San Bernardino, Fontana, Ontario, Rialto, Chino,
Redlands, Rancho Cucamonga, Upland and Highland.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3401 11721 3401 11723 3402 11723 3402 11737
3403 11738 3403 11755 3403 11756 3402 11756
3403 11773 3419 11767 3417 11721
$$
Munyan
Action: Time Extended Issued At: 2025-12-24 14:39:22
324
WGUS86 KSGX 242038
FLSSGX
Flood Advisory
National Weather Service San Diego CA
1238 PM PST Wed Dec 24 2025
CAC071-242330-
/O.EXT.KSGX.FA.Y.0090.000000T0000Z-251224T2318Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
1238 PM PST Wed Dec 24 2025
...FLOOD ADVISORY NOW IN EFFECT UNTIL 318 PM PST THIS AFTERNOON...
* WHAT...Urban and small stream flooding caused by excessive
rainfall continues.
* WHERE...A portion of Southwest California, including the following
county, San Bernardino.
* WHEN...Until 318 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
* ADDITIONAL DETAILS...
- At 1238 PM PST, Doppler radar indicated heavy rain. This will
cause urban and small stream flooding. Between 1 and 2 inches
of rain have fallen.
- Additional rainfall amounts of 1.5 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Riverside, San Bernardino, Fontana, Ontario, Rialto, Chino,
Redlands, Rancho Cucamonga, Upland and Highland.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3401 11721 3401 11723 3402 11723 3402 11737
3403 11738 3403 11755 3403 11756 3402 11756
3403 11773 3419 11767 3417 11721
$$
Munyan
Action: Time Extended Issued At: 2025-12-24 16:54:10
115
WGUS86 KSGX 242253
FLSSGX
Flood Advisory
National Weather Service San Diego CA
253 PM PST Wed Dec 24 2025
CAC071-250100-
/O.EXT.KSGX.FA.Y.0090.000000T0000Z-251225T0048Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
253 PM PST Wed Dec 24 2025
...FLOOD ADVISORY NOW IN EFFECT UNTIL 448 PM PST THIS AFTERNOON...
* WHAT...Urban and small stream flooding caused by excessive
rainfall continues.
* WHERE...A portion of Southwest California, including the following
county, San Bernardino.
* WHEN...Until 448 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
* ADDITIONAL DETAILS...
- At 253 PM PST, Doppler radar indicated heavy rain. This will
cause urban and small stream flooding. Between 1.5 and 3
inches of rain have fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Riverside, San Bernardino, Fontana, Ontario, Rialto, Chino,
Redlands, Rancho Cucamonga, Upland and Highland.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3401 11721 3401 11723 3402 11723 3402 11737
3403 11738 3403 11755 3403 11756 3402 11756
3403 11773 3419 11767 3417 11721
$$
Munyan
Action: Time Extended Issued At: 2025-12-24 18:40:57
996
WGUS86 KSGX 250040
FLSSGX
Flood Advisory
National Weather Service San Diego CA
440 PM PST Wed Dec 24 2025
CAC071-250300-
/O.EXT.KSGX.FA.Y.0090.000000T0000Z-251225T0300Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
440 PM PST Wed Dec 24 2025
...FLOOD ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING...
* WHAT...Urban and small stream flooding caused by excessive
rainfall continues.
* WHERE...A portion of Southwest California, including the following
county, San Bernardino.
* WHEN...Until 700 PM PST.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
* ADDITIONAL DETAILS...
- At 440 PM PST, Doppler radar indicated heavy rain. This will
cause urban and small stream flooding. Between 2 and 3.5
inches of rain have fallen.
- Additional rainfall amounts of 0.5 to 1 inch are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Riverside, San Bernardino, Fontana, Ontario, Rialto, Chino,
Redlands, Rancho Cucamonga, Upland and Highland.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3401 11721 3401 11723 3402 11723 3402 11737
3403 11738 3403 11755 3403 11756 3402 11756
3403 11773 3419 11767 3417 11721
$$
PS
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