Alert archive / Utah / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 13, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 20, 2017, 4:27 PM MDT for Juab County, Tooele County, Utah. It was in force for 63 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 20, 2017, 4:27 PM MDT (22:27 UTC)
- Expired
- Jun 20, 2017, 5:30 PM MDT
- In force
- 63 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Juab County, UT, Tooele County, UT
The radar
The Salt Lake City radar (KMTX), 154 km from the middle of the area, began a volume at 22:27 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, 10.5 hours before the alert went out and 110 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
- 3286 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
403
WUUS55 KSLC 202227
SVRSLC
UTC023-045-202330-
/O.NEW.KSLC.SV.W.0013.170620T2227Z-170620T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Salt Lake City UT
427 PM MDT TUE JUN 20 2017
The National Weather Service in Salt Lake City has issued a
* Severe Thunderstorm Warning for...
Central Juab County in central Utah...
Southeastern Tooele County in northern Utah...
* Until 530 PM MDT
* At 426 PM MDT, a severe thunderstorm was located 26 miles southwest
of Vernon, or 30 miles north of Delta, moving east at 25 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Vernon, Eureka, Lofgreen, Little Sahara State Park, Tintic Junction
and Jericho.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4013 11238 3996 11210 3955 11207 3956 11282
3996 11294
TIME...MOT...LOC 2226Z 266DEG 21KT 3978 11274
HAIL...<.75IN
WIND...70MPH
$$
MPS3 follow-up statements
075
WWUS55 KSLC 202247
SVSSLC
Severe Weather Statement
National Weather Service Salt Lake City UT
447 PM MDT TUE JUN 20 2017
UTC023-045-202330-
/O.CON.KSLC.SV.W.0013.000000T0000Z-170620T2330Z/
Juab UT-Tooele UT-
447 PM MDT TUE JUN 20 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR CENTRAL JUAB AND SOUTHEASTERN TOOELE COUNTIES...
At 447 PM MDT, a severe thunderstorm was located 21 miles south of
Vernon, or 30 miles north of Delta, moving east at 25 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Vernon, Eureka, Lofgreen, Little Sahara State Park, Tintic Junction
and Jericho.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4013 11238 3996 11210 3955 11207 3956 11282
3996 11294
TIME...MOT...LOC 2247Z 266DEG 21KT 3979 11258
HAIL...<.75IN
WIND...70MPH
$$
MPS157
WWUS55 KSLC 202308
SVSSLC
Severe Weather Statement
National Weather Service Salt Lake City UT
508 PM MDT TUE JUN 20 2017
UTC023-045-202330-
/O.CON.KSLC.SV.W.0013.000000T0000Z-170620T2330Z/
Juab UT-Tooele UT-
508 PM MDT TUE JUN 20 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR CENTRAL JUAB AND SOUTHEASTERN TOOELE COUNTIES...
At 508 PM MDT, a severe thunderstorm was located 20 miles south of
Vernon, or 31 miles north of Delta, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Vernon, Eureka, Lofgreen, Little Sahara State Park, Tintic Junction
and Jericho.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4013 11238 3996 11210 3955 11207 3956 11282
3996 11294
TIME...MOT...LOC 2308Z 266DEG 21KT 3980 11242
HAIL...<.75IN
WIND...60MPH
$$
MPS050
WWUS55 KSLC 202328
SVSSLC
Severe Weather Statement
National Weather Service Salt Lake City UT
528 PM MDT TUE JUN 20 2017
UTC023-045-202338-
/O.EXP.KSLC.SV.W.0013.000000T0000Z-170620T2330Z/
Juab UT-Tooele UT-
528 PM MDT TUE JUN 20 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JUAB AND SOUTHEASTERN
TOOELE COUNTIES WILL EXPIRE AT 530 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 4013 11238 3996 11210 3955 11207 3956 11282
3996 11294
TIME...MOT...LOC 2328Z 266DEG 21KT 3981 11227
$$
MPSThe office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 3:09 PM MDT | Fire Weather Watch | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 9 more | 12 hr |
| Jun 20, 3:09 PM MDT | Red Flag Warning | SLC | Beaver, Garfield, Iron, Kane, Washington | 31 hr |
| Jun 20, 3:15 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele | 75 min |
| Jun 20, 4:12 PM MDT | Special Weather Statement | SLC | Box Elder | 48 min |
| Jun 20, 4:34 PM MDT | Special Weather Statement | SLC | Tooele | 41 min |
| Jun 20, 5:27 PM MDT | Special Weather Statement | SLC | Cache | 48 min |
| Jun 20, 5:49 PM MDT | Special Weather Statement | SLC | Salt Lake | 41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.