Alert archive / Utah / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 95, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 26, 2021, 2:50 PM MDT for Emery County, Wayne County, Utah. 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 outline as issued.
The facts
- Issued
- Aug 26, 2021, 2:50 PM MDT (20:50 UTC)
- Expired
- Aug 26, 2021, 3:15 PM MDT
- In force
- 25 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Emery County, UT, Wayne County, UT
The radar
The Cedar City radar (KICX), 205 km from the middle of the area, began a volume at 20:53 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 12:00Z, 8.8 hours before the alert went out and 213 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
- 3119 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -78 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
530
WUUS55 KSLC 262050
SVRSLC
UTC015-055-262115-
/O.NEW.KSLC.SV.W.0095.210826T2050Z-210826T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Salt Lake City UT
250 PM MDT Thu Aug 26 2021
The National Weather Service in Salt Lake City has issued a
* Severe Thunderstorm Warning for...
Central Wayne County in southern Utah...
South central Emery County in central Utah...
* Until 315 PM MDT
* At 249 PM MDT, a severe thunderstorm was located near Hanksville,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Hanksville.
This includes the following highways...
Utah Route 24 between mile markers 103 and 131.
Utah Route 95 between mile markers 0 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 3819 11085 3841 11098 3859 11057 3829 11039
TIME...MOT...LOC 2049Z 247DEG 20KT 3837 11082
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MT1 follow-up statement
595
WWUS55 KSLC 262101
SVSSLC
Severe Weather Statement
National Weather Service Salt Lake City UT
301 PM MDT Thu Aug 26 2021
UTC015-055-262115-
/O.CON.KSLC.SV.W.0095.000000T0000Z-210826T2115Z/
Wayne UT-Emery UT-
301 PM MDT Thu Aug 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM MDT
FOR CENTRAL WAYNE AND SOUTH CENTRAL EMERY COUNTIES...
At 300 PM MDT, a severe thunderstorm was located over Hanksville,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Hanksville.
This includes the following highways...
Utah Route 24 between mile markers 103 and 131.
Utah Route 95 between mile markers 0 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3819 11085 3841 11098 3859 11057 3829 11039
TIME...MOT...LOC 2100Z 257DEG 21KT 3833 11070
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MTThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 6:02 PM MDT | Special Weather Statement | SLC | Utah | 28 min |
| Aug 25, 6:30 PM MDT | Special Weather Statement | SLC | Salt Lake | 30 min |
| Aug 25, 6:48 PM MDT | Special Weather Statement | SLC | Wasatch | 27 min |
| Aug 25, 7:24 PM MDT | Special Weather Statement | SLC | Utah | 36 min |
| Aug 25, 10:10 PM MDT | Special Weather Statement | SLC | Salt Lake | 35 min |
| Aug 26, 1:23 PM MDT | Special Weather Statement | SLC | Duchesne | 37 min |
| Aug 26, 2:27 PM MDT | Special Weather Statement | SLC | Wayne | 33 min |
| Aug 26, 3:00 PM MDT | Special Weather Statement | SLC | Emery | 45 min |
| Aug 26, 3:09 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 36 min |
| Aug 26, 3:13 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 32 min |
| Aug 26, 3:28 PM MDT | Flash Flood Warning | SLC | Emery, Wayne | 3 hr |
| Aug 26, 3:44 PM MDT | Special Weather Statement | SLC | Emery | 31 min |
| Aug 26, 3:49 PM MDT | Special Weather Statement | SLC | 26 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.