Alert archive / Utah / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 49, NWS Salt Lake City, UT

June 28, 2005Salt Lake County, Utah County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 28, 2005, 2:30 PM MDT for Salt Lake County, Utah County, Utah. It was in force for 45 min. 4 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 28, 2005, 2:30 PM MDT (20:30 UTC)
Expired
Jun 28, 2005, 3:15 PM MDT
In force
45 min
Issued by
NWS Salt Lake City, UT
Area
Counties, with a storm outline in the text

Counties Salt Lake County, UT, Utah County, UT

The radar

The Salt Lake City radar (KMTX), 93 km from the middle of the area, began a volume at 20:30 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 28, 2:45 PM MDTTSTM WND DMG1 Se Murray, UTLARGE TREE DOWN ON HOUSE AT 6400 SOUTH 600 EAST. CONSIDERABLE ROOF DAMAGE.
Jun 28, 2:45 PM MDTTSTM WND DMGSandy, UT6 INCH TREE LIMBS DOWN IN SANDY.
Jun 28, 2:45 PM MDTTSTM WND GST 65Sandy, UT60 TO 65 MPH GUST REPORTED IN SANDY BY NWS EMPLOYEE. LARGE TREES BOWING OVER.
Jun 28, 2:48 PM MDTTSTM WND GST 60Cottonwood Heights, UT

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 28, 12:45 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 8.5 hours before the alert went out and 30 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, Salt Lake City I, UT at 12:00Z on 2005-06-28Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salt Lake City I, UT at 12:00Z on 2005-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.19395878Sfc1 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
3581 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KSLC 282030
SVRSLC
UTC035-049-282115-
/O.NEW.KSLC.SV.W.0049.050628T2030Z-050628T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
230 PM MDT TUE JUN 28 2005

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SALT LAKE COUNTY IN UTAH
  THIS INCLUDES THE CITIES OF...WEST VALLEY CITY...SANDY...MURRAY...
  COTTONWOOD HEIGHTS
  NORTHWESTERN UTAH COUNTY IN UTAH

* UNTIL 315 PM MDT

* AT 220 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF HERRIMAN
  TO 14 MILES SOUTHWEST OF LEHI...OR ALONG A LINE EXTENDING FROM 8
  MILES NORTHEAST OF TOOELE TO 20 MILES SOUTHEAST OF TOOELE...AND
  MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  KEARNS...WEST VALLEY CITY...WEST JORDAN AND RIVERTON BY 235 PM MDT
  LEHI AND DRAPER BY 240 PM MDT
  MIDVALE...MURRAY...SANDY AND AMERICAN FORK BY 245 PM MDT

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.

LAT...LON 4064 11218 4023 11212 4026 11158 4080 11166

$$
1 follow-up statement
000 
WWUS55 KSLC 282103
SVSSLC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
302 PM MDT TUE JUN 28 2005

UTC035-049-282115-
/O.CON.KSLC.SV.W.0049.000000T0000Z-050628T2115Z/
UTAH UT-SALT LAKE UT-
302 PM MDT TUE JUN 28 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 315 PM MDT FOR SALT
LAKE AND NORTHWESTERN UTAH COUNTIES...

AT 255 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DESTRUCTIVE
WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM COTTONWOOD HEIGHTS TO OREM...OR ALONG A LINE EXTENDING
FROM COTTONWOOD HEIGHTS TO 10 MILES NORTH OF PROVO...MOVING 
EAST AT 35 MPH.

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.

DAMAGING WINDS UP TO 70 MPH WERE REPORTED IN SANDY WITH THIS STORM. 
THIS IS A DANGEROUS STORM...SEEK SAFE SHELTER AND STAY AWAY FROM 
WINDOWS

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT
TUESDAY EVENING FOR SOUTHEASTERN UTAH.

LAT...LON 4064 11218 4023 11212 4026 11158 4080 11166

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 1:40 PM MDTSevere Thunderstorm WarningSLCJuab, Sanpete, Utah50 min
Jun 28, 2:56 PM MDTSevere Thunderstorm WarningSLCMorgan, Salt Lake, Summit, Utah, Wasatch64 min
Jun 28, 3:29 PM MDTSevere Thunderstorm WarningSLCMorgan, Summit50 min

Nearby

Severe Thunderstorm Warnings in Utah, 2005Every severe thunderstorm warning in 2005

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.