Flash Flood Warning
NWS San Diego CA ยท US
English
Flash Flood Warning Issued September 24 At 4:32PM PDT Until September 24 At 7:30PM PDT By NWS San Diego CA
- Event
- Flash Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Wireless alert
National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 7:30 PM PDT. This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order.
Description
Overview
FFWSGX The National Weather Service in San Diego has issued a * Flash Flood Warning for... Riverside County in southern California... San Bernardino County in southern California... * Until 730 PM PDT. * At 432 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.75 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch 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 indicated.
Impacts
Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Yucaipa, Forest Falls, western Mount San Gorgonio, Banning, Mountain Home Village, Hwy 38 Between Yucaipa And Onyx Summit and Mentone.
Instructions
Turn around, don't 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.
Affected areas
- Riverside County, CA
- San Bernardino County, CA
Public contact
- Issuer
- NWS San Diego CA
- Website
- http://www.weather.gov
Spanish
- Event
- Flash Flood Warning
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Wireless alert
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 7:30 PM PDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Affected areas
- Riverside County, CA
- San Bernardino County, CA
Public contact
- Issuer
- NWS San Diego CA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~37s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3AW72DC6MHSMZN8V3P27BY2
- Identifier
- urn:oid:2.49.0.1.840.0.b91ccc75f94326dc046c7b15da700e5e63c04aa7.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS San Diego CA
- AWIPS ID
- CAPSGX
- NWWS sequence
- nwws_processor.8966
- WMO heading
- XOUS56
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 56
English
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWSGX |
| WMOidentifier | WGUS56 KSGX 242332 |
| flashFloodDetection | RADAR INDICATED |
| flashFloodDamageThreat | CONSIDERABLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KSGX.FF.W.0009.260924T2332Z-260925T0230Z/ |
| eventEndingTime | 2026-09-24T19:30:00-07:00 |
| WEAHandling | Imminent Threat |
| CMAMtext | NWS: FLASH FLOOD WARNING this area til 7:30 PM PDT. Avoid flooded areas. |
| CMAMlongtext | National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 7:30 PM PDT. This is a dangerous and life-threatening situation. Do not attempt to travel unless you are fleeing an area subject to flooding or under an evacuation order. |
Spanish
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWSGX |
| WMOidentifier | WGUS56 KSGX 242332 |
| flashFloodDetection | RADAR INDICATED |
| flashFloodDamageThreat | CONSIDERABLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KSGX.FF.W.0009.260924T2332Z-260925T0230Z/ |
| eventEndingTime | 2026-09-24T19:30:00-07:00 |
| WEAHandling | Imminent Threat |
| CMAMtext | SNM: AVISO DE INUNDACIONES REPENTINAS hasta 7:30 PM PDT. Evite areas inundadas. |
| CMAMlongtext | Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 7:30 PM PDT. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo. |
Locations
English
Location data
- Riverside County, CA
- San Bernardino County, CA
| Name | Value |
|---|---|
| SAME | 006065 |
| SAME | 006071 |
| UGC | CAC065 |
| UGC | CAC071 |
- Polygons
- 34.0,-117.06 34.04,-117.1 34.11,-117.09 34.11,-117.01 34.12,-116.85 34.06,-116.83 34.01,-116.82 33.97,-116.87 33.96,-116.95 34.0,-117.05 34.0,-117.06
Spanish
Location data
- Riverside County, CA
- San Bernardino County, CA
| Name | Value |
|---|---|
| SAME | 006065 |
| SAME | 006071 |
| UGC | CAC065 |
| UGC | CAC071 |
- Polygons
- 34.0,-117.06 34.04,-117.1 34.11,-117.09 34.11,-117.01 34.12,-116.85 34.06,-116.83 34.01,-116.82 33.97,-116.87 33.96,-116.95 34.0,-117.05 34.0,-117.06