Alert archive / Colorado / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 13, NWS Grand Junction, CO
NWS Grand Junction, CO issued this severe thunderstorm warning at Jul 29, 2026, 6:50 PM MDT for Rio Blanco County, Colorado. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2026, 6:50 PM MDT (00:50 UTC)
- Expired
- Jul 29, 2026, 7:15 PM MDT
- In force
- 25 min
- Issued by
- NWS Grand Junction, CO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Rio Blanco County, CO
The radar
The Grand Junction radar (KGJX), 102 km from the middle of the area, began a volume at 00:52 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 00:00Z, 0.8 hours before the alert went out and 98 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 795 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 2794 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 6:06 PM MDT | Areal Flood Advisory | GJT | Mesa | 3 hr |
| Jul 29, 6:11 PM MDT | Flash Flood Warning | GJT | Mesa | 3 hr |
| Jul 29, 6:21 PM MDT | Flash Flood Warning | GJT | Garfield | 3 hr |
| Jul 29, 6:29 PM MDT | Flash Flood Warning | GJT | Rio Blanco | 4 hr |
| Jul 29, 6:35 PM MDT | Special Weather Statement | GJT | Rio Blanco | 25 min |
| Jul 29, 6:44 PM MDT | Special Weather Statement | GJT | 31 min | |
| Jul 29, 7:16 PM MDT | Special Weather Statement | GJT | Rio Blanco | 29 min |
| Jul 29, 7:22 PM MDT | Areal Flood Advisory | GJT | Delta, Mesa, Montrose | 3 hr |
| Jul 29, 7:25 PM MDT | Special Weather Statement | GJT | Rio Blanco | 35 min |
| Jul 29, 7:27 PM MDT | Special Weather Statement | GJT | 33 min | |
| Jul 29, 7:47 PM MDT | Severe Thunderstorm Warning | GJT | Rio Blanco | 28 min |
| Jul 29, 7:57 PM MDT | Flash Flood Warning | GJT | Garfield, Rio Blanco | 2 hr |
| Jul 29, 8:04 PM MDT | Special Weather Statement | GJT | Rio Blanco | 26 min |
| Jul 29, 8:11 PM MDT | Special Weather Statement | GJT | Garfield | 34 min |
| Jul 29, 8:29 PM MDT | Flash Flood Warning | GJT | Rio Blanco | 2 hr |
| Jul 29, 8:34 PM MDT | Special Weather Statement | GJT | Garfield | 26 min |
| Jul 29, 8:35 PM MDT | Severe Thunderstorm Warning | GJT | Garfield | 25 min |
| Jul 29, 8:44 PM MDT | Severe Thunderstorm Warning | GJT | Garfield, Rio Blanco | 31 min |
| Jul 29, 9:49 PM MDT | Special Weather Statement | GJT | Eagle | 26 min |
| Jul 30, 11:53 AM MDT | Heat Advisory | GJT | Garfield, Mesa | 5 days |
| Jul 29, 7:23 PM MDT | Special Weather Statement | GJT | Uintah | 37 min |
| Jul 30, 11:53 AM MDT | Extreme Heat Warning | GJT | Grand, San Juan | 4 days |
| Jul 30, 2:20 PM MDT | Flash Flood Warning | GJT | San Juan | 3 hr |
Nearby
Severe Thunderstorm Warnings in Colorado, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.