Alert archive / Utah / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 97, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 26, 2021, 3:13 PM MDT for Emery County, Wayne County, Utah. It was in force for 32 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, 3:13 PM MDT (21:13 UTC)
- Expired
- Aug 26, 2021, 3:45 PM MDT
- In force
- 32 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 Grand Junction radar (KGJX), 217 km from the middle of the area, began a volume at 21:17 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, 9.2 hours before the alert went out and 197 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.
824
WUUS55 KSLC 262113
SVRSLC
UTC015-055-262145-
/O.NEW.KSLC.SV.W.0097.210826T2113Z-210826T2145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Salt Lake City UT
313 PM MDT Thu Aug 26 2021
The National Weather Service in Salt Lake City has issued a
* Severe Thunderstorm Warning for...
Eastern Wayne County in southern Utah...
South central Emery County in central Utah...
* Until 345 PM MDT
* At 312 PM MDT, a severe thunderstorm was located near Hanksville,
moving northeast 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 113 and 125.
Utah Route 95 between mile markers 0 and 12.
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 11066 3844 11081 3860 11036 3831 11019
TIME...MOT...LOC 2112Z 247DEG 20KT 3836 11062
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MT2 follow-up statements
302
WWUS55 KSLC 262129
SVSSLC
Severe Weather Statement
National Weather Service Salt Lake City UT
329 PM MDT Thu Aug 26 2021
UTC015-055-262145-
/O.CON.KSLC.SV.W.0097.000000T0000Z-210826T2145Z/
Wayne UT-Emery UT-
329 PM MDT Thu Aug 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM MDT
FOR EASTERN WAYNE AND SOUTH CENTRAL EMERY COUNTIES...
At 329 PM MDT, a severe thunderstorm was located 11 miles east of
Hanksville, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Hanksville.
This includes the following highways...
Utah Route 24 between mile markers 113 and 125.
Utah Route 95 between mile markers 0 and 12.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 3819 11066 3844 11081 3860 11036 3831 11019
TIME...MOT...LOC 2129Z 247DEG 20KT 3840 11051
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MT929
WWUS55 KSLC 262142
SVSSLC
Severe Weather Statement
National Weather Service Salt Lake City UT
342 PM MDT Thu Aug 26 2021
UTC015-055-262152-
/O.EXP.KSLC.SV.W.0097.000000T0000Z-210826T2145Z/
Wayne UT-Emery UT-
342 PM MDT Thu Aug 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WAYNE AND SOUTH
CENTRAL EMERY COUNTIES WILL EXPIRE AT 345 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Salt Lake City.
LAT...LON 3819 11066 3844 11081 3860 11036 3831 11019
TIME...MOT...LOC 2142Z 247DEG 20KT 3842 11046
$$
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, 2:50 PM MDT | Severe Thunderstorm Warning | SLC | Emery, Wayne | 25 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, 3:28 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.