Severe Thunderstorm Warning 70, NWS Salt Lake City, UT

Issued

Aug 17, 2021, 3:51 PM MDT (21:51 UTC)

Expired

Aug 17, 2021, 4:15 PM MDT

In force

24 min

Issued by

NWS Salt Lake City, UT

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

County Tooele County, UT

The Salt Lake City radar (KMTX), 86 km from the middle of the area, began a volume at 21:53 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.

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

973 
WUUS55 KSLC 172151
SVRSLC
UTC045-172215-
/O.NEW.KSLC.SV.W.0070.210817T2151Z-210817T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Salt Lake City UT
351 PM MDT Tue Aug 17 2021

The National Weather Service in Salt Lake City has issued a

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

* Until 415 PM MDT

* At 351 PM MDT, a severe thunderstorm was located 7 miles south of
  Clive, or 27 miles northwest of Dugway English Village, moving
  northeast at 40 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Delle, Skull Valley and Clive. 

This includes Interstate 80 in Utah between mile markers 55 and 77.
 
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 4040 11310 4062 11319 4090 11284 4073 11261
      4039 11259
TIME...MOT...LOC 2151Z 240DEG 36KT 4058 11304 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MPS

779 
WWUS55 KSLC 172205
SVSSLC

Severe Weather Statement
National Weather Service Salt Lake City UT
405 PM MDT Tue Aug 17 2021

UTC045-172215-
/O.CON.KSLC.SV.W.0070.000000T0000Z-210817T2215Z/
Tooele UT-
405 PM MDT Tue Aug 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT
FOR CENTRAL TOOELE COUNTY...

At 405 PM MDT, a severe thunderstorm was located 9 miles northwest of
Skull Valley, or 20 miles west of Grantsville, moving east at 40 mph.

HAZARD...70 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Delle, Skull Valley and Clive. 

This includes Interstate 80 in Utah between mile markers 55 and 77.
 
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 4040 11303 4067 11312 4090 11284 4073 11261
      4039 11259
TIME...MOT...LOC 2205Z 248DEG 34KT 4057 11286 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

MPS

Severe Thunderstorm Warnings in Utah, 2021Every severe thunderstorm warning in 2021

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.