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Home Return to list Flash Flood Warning 0034 Issued by the San Diego Forecast Office
Action: New Issued At: 2025-12-24 10:05:46
250
WGUS56 KSGX 241605
FFWSGX
CAC071-242100-
/O.NEW.KSGX.FF.W.0034.251224T1605Z-251224T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Diego CA
805 AM PST Wed Dec 24 2025
The National Weather Service in San Diego has issued a
* Flash Flood Warning for...
San Bernardino County in southern California...
* Until 100 PM PST.
* At 805 AM PST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. The expected rainfall rate is 0.75 to 1 inch in 1
hour. Additional rainfall amounts of 3 to 6 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
San Bernardino, Hesperia, Apple Valley, Lake Arrowhead, Hwy 173
Between Lake Arrowhead And Hesperia, Crestline, Rimforest,
Skyforest, Hwy 18 Between San Bernardino And Crestline and
Silverwood Lake Rec Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3415 11719 3416 11732 3440 11732 3440 11714
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.75-1 INCH IN 1 HOUR
$$
Munyan
Action: Time Extended Issued At: 2025-12-24 14:56:22
795
WGUS56 KSGX 242056
FFWSGX
CAC071-242300-
/O.EXT.KSGX.FF.W.0034.000000T0000Z-251224T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Diego CA
1256 PM PST Wed Dec 24 2025
The National Weather Service in San Diego has extended the
* Flash Flood Warning for...
San Bernardino County in southern California...
* Until 300 PM PST.
* At 1256 PM PST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 0.5 to 0.75 inches in 1
hour. Additional rainfall amounts of 2 to 4 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
San Bernardino, Hesperia, Apple Valley, Lake Arrowhead, Hwy 173
Between Lake Arrowhead And Hesperia, Crestline, Rimforest,
Skyforest, Hwy 18 Between San Bernardino And Crestline and
Silverwood Lake Rec Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3415 11719 3416 11732 3440 11732 3440 11714
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.5-0.75 INCHES IN 1 HOUR
$$
Munyan
Action: Time Extended Issued At: 2025-12-24 16:53:25
090
WGUS56 KSGX 242253
FFWSGX
CAC071-250030-
/O.EXT.KSGX.FF.W.0034.000000T0000Z-251225T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Diego CA
253 PM PST Wed Dec 24 2025
The National Weather Service in San Diego has extended the
* Flash Flood Warning for...
San Bernardino County in southern California...
* Until 430 PM PST.
* At 253 PM PST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 0.25 to 0.75 inches in
1 hour. Additional rainfall amounts of 1 to 2 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
San Bernardino, Hesperia, Apple Valley, Lake Arrowhead, Hwy 173
Between Lake Arrowhead And Hesperia, Crestline, Rimforest,
Skyforest, Hwy 18 Between San Bernardino And Crestline and
Silverwood Lake Rec Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3415 11719 3416 11732 3440 11732 3440 11714
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.25-0.75 INCHES IN 1 HOUR
$$
Munyan
Action: Continued Issued At: 2025-12-24 18:21:27
545
WGUS76 KSGX 250021
FFSSGX
Flash Flood Statement
National Weather Service San Diego CA
421 PM PST Wed Dec 24 2025
CAC071-250030-
/O.CON.KSGX.FF.W.0034.000000T0000Z-251225T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino CA-
421 PM PST Wed Dec 24 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 PM PST THIS
AFTERNOON FOR SAN BERNARDINO COUNTY...
At 421 PM PST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 5 and 8 inches of rain have
fallen. The expected rainfall rate is 0.25 to 0.75 inches in 1 hour.
Additional rainfall amounts of 0.75 to 1.5 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
San Bernardino, Hesperia, Apple Valley, Lake Arrowhead, Hwy 173
Between Lake Arrowhead And Hesperia, Crestline, Rimforest,
Skyforest, Hwy 18 Between San Bernardino And Crestline and
Silverwood Lake Rec Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3415 11719 3416 11732 3440 11732 3440 11714
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.25-0.75 INCHES IN 1 HOUR
$$
PS
Action: Time Extended Issued At: 2025-12-24 18:22:27
560
WGUS56 KSGX 250022
FFWSGX
CAC071-250300-
/O.EXT.KSGX.FF.W.0034.000000T0000Z-251225T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Diego CA
422 PM PST Wed Dec 24 2025
The National Weather Service in San Diego has extended the
* Flash Flood Warning for...
San Bernardino County in southern California...
* Until 700 PM PST.
* At 422 PM PST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 5 and 8 inches of rain
have fallen. The expected rainfall rate is 0.25 to 0.75 inches in
1 hour. Additional rainfall amounts of 0.75 to 1.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
San Bernardino, Hesperia, Apple Valley, Lake Arrowhead, Hwy 173
Between Lake Arrowhead And Hesperia, Crestline, Rimforest,
Skyforest, Hwy 18 Between San Bernardino And Crestline and
Silverwood Lake Rec Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
&&
LAT...LON 3415 11719 3416 11732 3440 11732 3440 11714
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...0.25-0.75 INCHES IN 1 HOUR
$$
PS
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