Alert archive / Utah / Flash Flood Warnings in 2026
Flash Flood Warning 89, NWS Grand Junction, CO
NWS Grand Junction, CO issued this flash flood warning at Aug 12, 2026, 5:48 PM MDT for San Juan County, Utah. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 12, 2026, 5:48 PM MDT (23:48 UTC)
- Expired
- Aug 12, 2026, 9:45 PM MDT
- In force
- 4 hr
- Issued by
- NWS Grand Junction, CO
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County San Juan County, UT
The radar
The Grand Junction radar (KGJX), 212 km from the middle of the area, began a volume at 23:48 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 office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 11:46 AM MDT | Flood Watch | GJT | Archuleta, Dolores, Gunnison, Hinsdale, La Plata, Montezuma and 4 more | 12 hr |
| Aug 12, 12:49 PM MDT | Areal Flood Advisory | GJT | Ouray | 6 hr |
| Aug 12, 1:10 PM MDT | Flash Flood Warning | GJT | San Miguel | 3 hr |
| Aug 12, 4:27 PM MDT | Areal Flood Advisory | GJT | Garfield | 2 hr |
| Aug 12, 4:51 PM MDT | Areal Flood Advisory | GJT | Eagle | 18 min |
| Aug 12, 5:09 PM MDT | Areal Flood Warning | GJT | Eagle | 3 hr |
| Aug 12, 5:23 PM MDT | Areal Flood Advisory | GJT | San Miguel | 2 hr |
Nearby
Flash Flood Warnings in Utah, 2026Every flash flood 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; radar from the NEXRAD Level II archive.