Flash Flood Warning
NWS Grand Junction CO ยท US
English
Flash Flood Warning Issued September 18 At 4:52PM MDT Until September 18 At 7:45PM MDT By NWS Grand Junction CO
- 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 7:45 PM MDT. 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
FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... Southwestern Moffat County in northwestern Colorado... Western Rio Blanco County in northwestern Colorado... East Central Uintah County in northeastern Utah... * Until 745 PM MDT. * At 452 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly.
Hazard
Flash flooding. Thunderstorms producing flash flooding.
Source
Radar indicated.
Impacts
Flash flooding of creeks and streams, urban areas, highways, and streets. * Some locations that will experience flash flooding include... Dinosaur, Artesia and Blue Mountain.
Instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Affected areas
- Moffat County, CO
- Rio Blanco County, CO
- Uintah County, UT
Public contact
- Issuer
- NWS Grand Junction CO
- 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 7:45 PM MDT. 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
- Moffat County, CO
- Rio Blanco County, CO
- Uintah County, UT
Public contact
- Issuer
- NWS Grand Junction CO
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~46s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2VBHSCGZN88QV5BCPK62435
- Identifier
- urn:oid:2.49.0.1.840.0.6873fc79d2c71b9475a7d049ded7fc91ea903367.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Grand Junction CO
- AWIPS ID
- CAPGJT
- NWWS sequence
- nwws_processor.8167
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
English
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWGJT |
| WMOidentifier | WGUS55 KGJT 182252 |
| flashFloodDetection | RADAR INDICATED |
| flashFloodDamageThreat | CONSIDERABLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KGJT.FF.W.0125.260918T2252Z-260919T0145Z/ |
| eventEndingTime | 2026-09-18T19:45:00-06:00 |
| WEAHandling | Imminent Threat |
| CMAMtext | NWS: FLASH FLOOD WARNING this area til 7:45 PM MDT. Avoid flooded areas. |
| CMAMlongtext | National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 7:45 PM MDT. 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 | FFWGJT |
| WMOidentifier | WGUS55 KGJT 182252 |
| flashFloodDetection | RADAR INDICATED |
| flashFloodDamageThreat | CONSIDERABLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KGJT.FF.W.0125.260918T2252Z-260919T0145Z/ |
| eventEndingTime | 2026-09-18T19:45:00-06:00 |
| WEAHandling | Imminent Threat |
| CMAMtext | SNM: AVISO DE INUNDACIONES REPENTINAS hasta 7:45 PM MDT. Evite areas inundadas. |
| CMAMlongtext | Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 7:45 PM MDT. 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
- Moffat County, CO
- Rio Blanco County, CO
- Uintah County, UT
| Name | Value |
|---|---|
| SAME | 008081 |
| SAME | 008103 |
| SAME | 049047 |
| UGC | COC081 |
| UGC | COC103 |
| UGC | UTC047 |
- Polygons
- 40.14,-109.05 40.1,-109.13 39.99,-109.39 39.9,-109.62 39.93,-109.69 40.01,-109.7 40.13,-109.54 40.23,-109.37 40.31,-109.24 40.39,-108.99 40.37,-108.86 40.24,-108.85 40.17,-108.97 40.14,-109.05
Spanish
Location data
- Moffat County, CO
- Rio Blanco County, CO
- Uintah County, UT
| Name | Value |
|---|---|
| SAME | 008081 |
| SAME | 008103 |
| SAME | 049047 |
| UGC | COC081 |
| UGC | COC103 |
| UGC | UTC047 |
- Polygons
- 40.14,-109.05 40.1,-109.13 39.99,-109.39 39.9,-109.62 39.93,-109.69 40.01,-109.7 40.13,-109.54 40.23,-109.37 40.31,-109.24 40.39,-108.99 40.37,-108.86 40.24,-108.85 40.17,-108.97 40.14,-109.05