Alert archive / Utah / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 14, NWS Grand Junction, CO
NWS Grand Junction, CO issued this severe thunderstorm warning at Sep 15, 2017, 3:37 PM MDT for Grand County, San Juan County, Utah. It was in force for 23 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
- Sep 15, 2017, 3:37 PM MDT (21:37 UTC)
- Expired
- Sep 15, 2017, 4:00 PM MDT
- In force
- 23 min
- Issued by
- NWS Grand Junction, CO
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Grand County, UT, San Juan County, UT
The radar
The Grand Junction radar (KGJX), 153 km from the middle of the area, began a volume at 21:39 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.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 14, 4:34 PM MDT, 23 hours 3 minutes earlier.
Area forecast discussion, Sep 14, 4:34 PM MDT, 23 hours 3 minutes before
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</html>The office that day
Everything else NWS Grand Junction, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 6:49 PM MDT | Special Weather Statement | GJT | Delta | 41 min |
| Sep 14, 6:53 PM MDT | Special Weather Statement | GJT | La Plata | 52 min |
| Sep 15, 4:52 PM MDT | Special Weather Statement | GJT | Mesa | 23 min |
| Sep 15, 5:26 PM MDT | Special Weather Statement | GJT | Mesa | 49 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2017Every severe thunderstorm warning in 2017
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.