Severe Thunderstorm Warning 82, NWS Salt Lake City, UT

Issued

Aug 17, 2021, 7:14 PM MDT (01:14 UTC)

Expired

Aug 17, 2021, 7:45 PM MDT

In force

31 min

Issued by

NWS Salt Lake City, UT

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties Summit County, UT, Wasatch County, UT

The Salt Lake City radar (KMTX), 127 km from the middle of the area, began a volume at 01:15 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.

974 
WUUS55 KSLC 180114
SVRSLC
UTC043-051-180145-
/O.NEW.KSLC.SV.W.0082.210818T0114Z-210818T0145Z/

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

The National Weather Service in Salt Lake City has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wasatch County in northern Utah...
  Southwestern Summit County in northern Utah...

* Until 745 PM MDT

* At 713 PM MDT, a severe thunderstorm was located near Timber Lakes,
  or near Heber City, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. At 700 pm a 69 mph wind gust was 
           reported at Deer Creek Dam.  

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

* Locations impacted include...
  Park City, Heber City, Heber, Kamas, Oakley, Francis, Daniel,
  Wasatch Mountain State Park, Samak, Timber Lakes, Midway,
  Charleston, Wallsburg, Peoa, Deer Creek State Park, Woodland,
  Marion, Hailstone, Jordanelle Reservoir and Rockport State Park.

This includes the following highways...
 US Route 40 between mile markers 5 and 27.
 Utah Route 35 between mile markers 0 and 15.
 Mirror Lake Highway between mile markers 0 and 17.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4035 11141 4052 11156 4078 11139 4060 11099
      4047 11110
TIME...MOT...LOC 0113Z 233DEG 37KT 4048 11132 

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

$$

MPS

361 
WWUS55 KSLC 180139
SVSSLC

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

UTC043-051-180148-
/O.EXP.KSLC.SV.W.0082.000000T0000Z-210818T0145Z/
Wasatch UT-Summit UT-
739 PM MDT Tue Aug 17 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WASATCH AND
SOUTHWESTERN SUMMIT COUNTIES WILL EXPIRE AT 745 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.  However small hail and gusty winds are still
possible with this thunderstorm.

LAT...LON 4035 11141 4052 11156 4078 11139 4060 11099
      4047 11110
TIME...MOT...LOC 0138Z 233DEG 37KT 4063 11105 

$$

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.