Flash Flood Warning
NWS Grand Junction CO ยท US
English
Flash Flood Warning Issued September 16 At 9:45PM MDT Until September 17 At 12:45AM 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 12:45 AM 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... North Central Mesa County in west central Colorado... * Until 1245 AM MDT. * At 945 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.4 and 0.7 inches of rain have fallen. The expected rainfall rate is 2 to 4 inches in 1 hour. 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... Cameo.
Instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Interstate 70 through Cameo and Debeque Canyon is prone to rockslides and mudslides in heavy rain. Stay alert for rocks and debris on roads, and avoid driving on flooded roads. Find an alternate route.
Affected areas
- Mesa County, CO
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 12:45 AM 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
- Mesa County, CO
Public contact
- Issuer
- NWS Grand Junction CO
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~17s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2PQFZ72EZ3YAHJZ6RGSN3AD
- Identifier
- urn:oid:2.49.0.1.840.0.7d2f2ca415de238570bc493abab04dc4da94431e.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.5325
- 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 170345 |
| flashFloodDetection | RADAR INDICATED |
| flashFloodDamageThreat | CONSIDERABLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KGJT.FF.W.0123.260917T0345Z-260917T0645Z/ |
| eventEndingTime | 2026-09-17T00:45:00-06:00 |
| WEAHandling | Imminent Threat |
| CMAMtext | NWS: FLASH FLOOD WARNING this area til 12:45 AM MDT. Avoid flooded areas. |
| CMAMlongtext | National Weather Service: A FLASH FLOOD WARNING is in effect for this area until 12:45 AM 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 170345 |
| flashFloodDetection | RADAR INDICATED |
| flashFloodDamageThreat | CONSIDERABLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KGJT.FF.W.0123.260917T0345Z-260917T0645Z/ |
| eventEndingTime | 2026-09-17T00:45:00-06:00 |
| WEAHandling | Imminent Threat |
| CMAMtext | SNM: AVISO DE INUNDACIONES REPENTINAS hasta 12:45 AM MDT. Evite areas inundadas. |
| CMAMlongtext | Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 12:45 AM 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
- Mesa County, CO
| Name | Value |
|---|---|
| SAME | 008077 |
| UGC | COC077 |
- Polygons
- 39.2,-108.38 39.13,-108.31 39.17,-108.27 39.19,-108.2 39.24,-108.25 39.26,-108.32 39.26,-108.33 39.2,-108.38
Spanish
Location data
- Mesa County, CO
| Name | Value |
|---|---|
| SAME | 008077 |
| UGC | COC077 |
- Polygons
- 39.2,-108.38 39.13,-108.31 39.17,-108.27 39.19,-108.2 39.24,-108.25 39.26,-108.32 39.26,-108.33 39.2,-108.38