Severe Thunderstorm Warning
NWS Grand Junction CO ยท US
Details
Severe Thunderstorm Warning issued September 15 at 2:20PM MDT until September 15 at 2:45PM MDT by NWS Grand Junction CO
- Issued
- Onset
- Expires
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Observed
- Response
- Shelter
Description
Overview
SVRGJT The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... Southern San Juan County in southeastern Utah... * Until 245 PM MDT. * At 220 PM MDT, a severe thunderstorm was located 8 miles southeast of Halchita, or 8 miles southeast of Mexican Hat, moving north at 20 mph.
Hazard
60 mph wind gusts and quarter size hail.
Source
Radar indicated.
Impacts
Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
Locations impacted
Mexican Hat, Tselakai Dezza, Halchita, and Bluff.
Instructions
Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Affected areas
- San Juan, UT
Public contact
- Issuer
- NWS Grand Junction CO
- Website
- http://www.weather.gov
Message record
- Received
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2KBNM6WA76SKQ1G9RWJ2CPJ
- Identifier
- urn:oid:2.49.0.1.840.0.9ba16e4dbcebc04c4039349b12024c81aedaa8f2.001.1
- 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.3751
- 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 | SVR |
| NationalWeatherService | SVW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SVRGJT |
| WMOidentifier | WUUS55 KGJT 152020 |
| eventMotionDescription | 2026-09-15T20:20:00-00:00...storm...186DEG...16KT...37.07,-109.78 |
| windThreat | RADAR INDICATED |
| maxWindGust | 60 MPH |
| hailThreat | RADAR INDICATED |
| maxHailSize | 1.00 |
| tornadoDetection | POSSIBLE |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KGJT.SV.W.0030.260915T2020Z-260915T2045Z/ |
| eventEndingTime | 2026-09-15T14:45:00-06:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- San Juan, UT
| Name | Value |
|---|---|
| SAME | 049037 |
| UGC | UTC037 |
- Polygons
- 37.0,-109.89 37.31,-109.92 37.27,-109.57 37.0,-109.66 37.0,-109.89