Flash Flood Warning
NWS Grand Junction CO ยท US
Details
Flash Flood Warning Issued September 15 At 6:25PM MDT Until September 15 At 9:30PM 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
Description
Overview
FFWGJT The National Weather Service in Grand Junction has issued a * Flash Flood Warning for... Northwestern Mesa County in west central Colorado... * Until 930 PM MDT. * At 625 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly.
Hazard
Flash flooding caused by thunderstorms.
Source
Radar indicated.
Impacts
Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Mainly rural areas of Northwestern Mesa County, including I-70 between mile marker 5 and mile marker 10.
Instructions
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Affected areas
- Mesa County, CO
Public contact
- Issuer
- NWS Grand Junction CO
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m5s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2KSPFZ1VRPDZJ4X85GG23JN
- Identifier
- urn:oid:2.49.0.1.840.0.91c16a794b99790d468ea61d98923cebb31c982f.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.662
- WMO heading
- XOUS55
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 55
Event codes
| Name | Value |
|---|---|
| SAME | FFW |
| NationalWeatherService | FFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | FFWGJT |
| WMOidentifier | WGUS55 KGJT 160025 |
| flashFloodDetection | RADAR INDICATED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KGJT.FF.W.0118.260916T0025Z-260916T0330Z/ |
| eventEndingTime | 2026-09-15T21:30:00-06:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Mesa County, CO
| Name | Value |
|---|---|
| SAME | 008077 |
| UGC | COC077 |
- Polygons
- 39.31,-109.01 39.2,-108.93 39.21,-108.88 39.34,-108.81 39.36,-108.94 39.31,-109.01