Severe Thunderstorm Warning 21, NWS Salt Lake City, UT

Issued

Jun 21, 2009, 2:17 PM MDT (20:17 UTC)

Expired

Jun 21, 2009, 3:00 PM MDT

In force

43 min

Issued by

NWS Salt Lake City, UT

Area

Storm-based polygon

County Duchesne County, UT

The Salt Lake City radar (KMTX), 210 km from the middle of the area, began a volume at 20:20 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.

000 
WUUS55 KSLC 212017 RRA
SVRSLC
UTC013-212100-
/O.NEW.KSLC.SV.W.0021.090621T2017Z-090621T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
217 PM MDT SUN JUN 21 2009

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN DUCHESNE COUNTY IN UTAH

* UNTIL 300 PM MDT

* AT 215 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 29
  MILES SOUTHWEST OF DUCHESNE...OR 18 MILES NORTH OF PRICE...AND
  MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES SOUTH OF DUCHESNE AROUND 300 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4036 11048 4015 10998 3982 11026 3982 11085
      3989 11084 3994 11088
TIME...MOT...LOC 2017Z 225DEG 26KT 3986 11072

$$

YOUNG

000 
WWUS55 KSLC 212036
SVSSLC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
236 PM MDT SUN JUN 21 2009

UTC013-212100-
/O.CON.KSLC.SV.W.0021.000000T0000Z-090621T2100Z/
DUCHESNE UT-
236 PM MDT SUN JUN 21 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM MDT
FOR SOUTHERN DUCHESNE COUNTY...

AT 236 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 18 MILES SOUTHWEST OF DUCHESNE...MOVING NORTHEAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTH OF DUCHESNE AROUND 300 PM MDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH. SEEK SHELTER IN A STURDY STRUCTURE UNTIL
THE STORM HAS PASSED.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 4036 11048 4015 10998 3982 11026 3982 11085
      3989 11084 3994 11088
TIME...MOT...LOC 2036Z 225DEG 26KT 3996 11059

$$

YOUNG

000 
WWUS55 KSLC 212056
SVSSLC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
256 PM MDT SUN JUN 21 2009

UTC013-212104-
/O.EXP.KSLC.SV.W.0021.000000T0000Z-090621T2100Z/
DUCHESNE UT-
256 PM MDT SUN JUN 21 2009

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN DUCHESNE COUNTY WILL
EXPIRE AT 300 PM MDT...

THE STORM HAS WEAKENED AND IS NO LONGER SEVERE. THEREFORE THE WARNING
HAS BEEN ALLOWED TO EXPIRE.

ALTHOUGH THE STORM HAS WEAKENED...THE STORM REMAINS STRONG ENOUGH 
TO PRODUCE PENNY SIZE HAIL AND WINDS TO 50 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT SUNDAY
EVENING FOR CENTRAL UTAH AND SOUTHWEST WYOMING.

LAT...LON 4036 11048 4015 10998 3982 11026 3982 11085
      3989 11084 3994 11088
TIME...MOT...LOC 2054Z 225DEG 26KT 4005 11047

$$

MERRILL

Severe Thunderstorm Warnings in Utah, 2009Every severe thunderstorm warning in 2009

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.