Alert archive / Utah / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 21, NWS Salt Lake City, UT

June 6, 2023Tooele County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 6, 2023, 2:27 PM MDT for Tooele County, Utah. It was in force for 48 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 6, 2023, 2:27 PM MDT (20:27 UTC)
Expired
Jun 6, 2023, 3:15 PM MDT
In force
48 min
Issued by
NWS Salt Lake City, UT
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Tooele County, UT

The radar

The Salt Lake City radar (KMTX), 133 km from the middle of the area, began a volume at 20:26 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 was reported inside it

TimeReportWhereRemark
Jun 6, 2:35 PM MDTTSTM WND GST 59Dugway, UTCAMEL BACK MTN - 5077 FT.
Jun 6, 2:35 PM MDTTSTM WND GST 59Dugway, UTCAMEL BACK MTN - 5077 FT
Jun 6, 2:55 PM MDTTSTM WND GST 57Dugway, UTPLAYA STATION - 4280 FT
Jun 6, 2:55 PM MDTTSTM WND GST 61Clive, UTSALT FLATS - 4265 FT.
Jun 6, 2:55 PM MDTTSTM WND GST 61Clive, UTSALT FLATS - 4265 FT
Jun 6, 3:10 PM MDTTSTM WND GST 58Knolls, UTWEST OF WILDCAT MTN - 4259 FT.
Jun 6, 3:10 PM MDTTSTM WND GST 58Knolls, UTWEST OF WILDCAT MTN - 4259 FT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 8.5 hours before the alert went out and 106 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.

Skew-T log-pSkew-T log-p diagram, Elko, NV at 12:00Z on 2023-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 12:00Z on 2023-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1708 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

539 
WUUS55 KSLC 062027
SVRSLC
UTC045-062115-
/O.NEW.KSLC.SV.W.0021.230606T2027Z-230606T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Salt Lake City UT
227 PM MDT Tue Jun 6 2023

The National Weather Service in Salt Lake City has issued a

* Severe Thunderstorm Warning for...
  Southwestern Tooele County in northern Utah...

* Until 315 PM MDT

* At 227 PM MDT, a severe thunderstorm was located 8 miles southeast
  of Dugway Proving Ground Test Range, or 23 miles southwest of
  Dugway English Village, moving northwest at 45 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...
  Utah Test and Training Range South and Dugway Proving Ground Test
  Range.

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 3999 11287 3997 11327 4011 11343 4042 11373
      4059 11353 4058 11313
TIME...MOT...LOC 2027Z 151DEG 39KT 4008 11315 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

STW
1 follow-up statement
280 
WWUS55 KSLC 062050
SVSSLC

Severe Weather Statement
National Weather Service Salt Lake City UT
250 PM MDT Tue Jun 6 2023

UTC045-062115-
/O.CON.KSLC.SV.W.0021.000000T0000Z-230606T2115Z/
Tooele UT-
250 PM MDT Tue Jun 6 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM MDT
FOR SOUTHWESTERN TOOELE COUNTY...

At 250 PM MDT, a severe thunderstorm was located 10 miles north of
Dugway Proving Ground Test Range, or 30 miles west of Dugway English
Village, moving northwest at 35 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Utah Test and Training Range South and Dugway Proving Ground Test
Range.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4012 11293 4012 11343 4042 11373 4059 11353
      4058 11313
TIME...MOT...LOC 2050Z 157DEG 28KT 4031 11332 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

STW

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 1:45 PM MDTSpecial Weather StatementSLCJuab30 min
Jun 6, 2:06 PM MDTSpecial Weather StatementSLCSummit24 min
Jun 6, 2:18 PM MDTSpecial Weather StatementSLCTooele27 min
Jun 6, 2:45 PM MDTSevere Thunderstorm WarningSLCTooele45 min
Jun 6, 3:04 PM MDTSpecial Weather StatementSLCKane41 min
Jun 6, 3:14 PM MDTSevere Thunderstorm WarningSLCBox Elder, Tooele46 min
Jun 6, 3:24 PM MDTSevere Thunderstorm WarningSLCBox Elder, Tooele36 min
Jun 6, 3:46 PM MDTSpecial Weather StatementSLCCarbon44 min
Jun 6, 3:58 PM MDTSevere Thunderstorm WarningSLCBox Elder, Davis, Tooele, Weber47 min
Jun 6, 4:02 PM MDTSpecial Weather StatementSLCDavis28 min
Jun 6, 4:07 PM MDTSpecial Weather StatementSLCRich23 min
Jun 6, 4:39 PM MDTSpecial Weather StatementSLCBox Elder36 min
Jun 6, 4:44 PM MDTSpecial Weather StatementSLCDavis31 min
Jun 6, 5:29 PM MDTSpecial Weather StatementSLCCache31 min
Jun 6, 5:49 PM MDTSpecial Weather StatementSLCEmery41 min
Jun 6, 5:58 PM MDTSpecial Weather StatementSLCCache32 min

Nearby

Severe Thunderstorm Warnings in Utah, 2023Every severe thunderstorm warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.