Alert archive / Utah / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 8, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 24, 2021, 1:22 PM MDT for Tooele County, Utah 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 outline as issued.
The facts
- Issued
- Jun 24, 2021, 1:22 PM MDT (19:22 UTC)
- Expired
- Jun 24, 2021, 1:45 PM MDT
- In force
- 23 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Tooele County, UT, Utah County, UT
The radar
The Salt Lake City radar (KMTX), 126 km from the middle of the area, began a volume at 19:21 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 7.4 hours before the alert went out and 78 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3049 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- -22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
520 WUUS55 KSLC 241922 SVRSLC UTC045-049-241945- /O.NEW.KSLC.SV.W.0008.210624T1922Z-210624T1945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Salt Lake City UT 122 PM MDT Thu Jun 24 2021 The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... West central Utah County in northern Utah... Southeastern Tooele County in northern Utah... * Until 145 PM MDT * At 122 PM MDT, a severe thunderstorm was located 10 miles southeast of Tooele Army Depot South, or 26 miles south of Tooele, moving northeast at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Tooele Army Depot South and Faust. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && LAT...LON 4003 11228 4017 11243 4034 11232 4012 11203 TIME...MOT...LOC 1922Z 228DEG 12KT 4016 11226 HAIL...1.00IN WIND...<50MPH $$ Woodward
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 12:16 AM MDT | Red Flag Warning | SLC | Beaver, Box Elder, Davis, Iron, Juab, Millard and 5 more | 21 hr |
| Jun 24, 11:57 AM MDT | Special Weather Statement | SLC | Juab | 48 min |
| Jun 24, 12:12 PM MDT | Special Weather Statement | SLC | Tooele | 48 min |
| Jun 24, 12:38 PM MDT | Special Weather Statement | SLC | 37 min | |
| Jun 24, 1:35 PM MDT | Special Weather Statement | SLC | Salt Lake | 25 min |
| Jun 24, 2:27 PM MDT | Special Weather Statement | SLC | Utah | 48 min |
| Jun 24, 2:36 PM MDT | Areal Flood Advisory | SLC | Salt Lake, Tooele, Utah | 69 min |
Nearby
Severe Thunderstorm Warnings in Utah, 2021Every severe thunderstorm warning in 2021
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.