Alert archive / Utah / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 75, NWS Salt Lake City, UT

August 26, 1996Tooele County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 26, 1996, 6:53 PM MDT for Tooele County, Utah. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 26, 1996, 6:53 PM MDT (00:53 UTC)
Expired
Aug 26, 1996, 7:45 PM MDT
In force
52 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Tooele County, UT

The nearest sounding before it

Elko, NV (KLKN), launched 00:00Z, 0.9 hours before the alert went out and 102 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 00:00Z on 1996-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 00:00Z on 1996-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
3193 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSLC 270100
SVRSLC
UTC045-270145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
653 PM MDT MON AUG 26 1996

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A 
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWEST UTAH

   ...SOUTHERN TOOELE COUNTY

     ...INCLUDING THE AREA IN AND AROUND DUGWAY...

DOPPLER RADAR HAS DETECTED A SEVERE THUNDERSTORM NEAR DUGWAY.  WINDS IN
EXCESS OF 60 MPH ALONG WITH LARGE HAIL CAN BE EXPECTED FROM THIS STORM. 
BRIEF HEAVY RAINS AND LOCAL FLOODING ARE ALSO POSSIBLE.  THIS STORM IS
MOVING NORTHEAST AT 15 MPH.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS
WHERE WATER COVERS THE ROAD.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Aug 26, 2:04 PM MDT, 4 hours 49 minutes before
UTZ-005>009-011>013-270400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
155 PM MDT MON AUG 26 1996

...THUNDERSTORMS OVER SOUTHERN UTAH...

SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP OVER THE
MOUNTAINS OF SOUTHERN UTAH EARLY THIS AFTERNOON ESPECIALLY OVER SOUTH
CENTRAL UTAH. THESE SHOWERS AND STORMS ARE EXPECTED TO CONTINUE INTO
EARLY EVENING AND WILL ALSO BE DEVELOPING OVER MANY OF THE VALLEYS OF
SOUTHERN UTAH. THE GENERAL MOVEMENT OF THESE SHOWERS AND STORMS WILL
BE TO THE NORTH AND NORTHEAST AT 10-15 MPH.

SO FAR THIS AFTERNOON THERE HAVE BEEN SOME REPORTS OF BRIEF HEAVY
RAIN TO INCLUDE A REPORT OF .40 INCHES OF RAIN IN 30 MINUTES ENDING
AT 1230 PM AT ANTIMONY WHICH IS 35 MILES NORTH OF BRYCE CANYON. IN 5-
10 MINUTES A SPOTTER IN MEADOWS...WHICH IS 7 MILES SOUTH OF
FILLMORE...REPORTED .28 INCHES OF RAIN. IN THE 30 MINUTE PERIOD
ENDING AT 145 PM THERE WERE TWO CENTERS OF INTENSE CLOUD TO GROUND
LIGHTNING...ONE WAS OVER CENTRAL GARFIELD COUNTY AND THE SECOND OVER
NORTHEAST SEVIER COUNTY.

THERE WILL BE BRIEF HEAVY RAINFALL...GUSTY WINDS AND DANGEROUS
LIGHTNING WITH SOME OF THESE SHOWERS AND THUNDERSTORMS.

IF THREATENING WEATHER  IS APPROACHING YOUR AREA...SEEK SHELTER. DO
NOT BECOME A HUMAN LIGHTNING ROD.

CARLE...1955Z.
Local storm report, Aug 26, 5:09 PM MDT, 1 hour 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH
500 PM MDT MON AUG 26 1996

TIME(MDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0240 PM    FREMONT JCT.              UT   FLASH FLOOD.
08/26/96   SEVIER                         6-8 INCHES OF WATER
                                          COVERED I-70 ACCORDING
                                          TO UTAH HIWAY PATROL.
                                          SPOTTER AT FREMONT JCT
                                          REPORTED 2.02 INCH RAIN
                                          IN 65 MINUTES.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 8:45 PM MDTFlash Flood WarningSLCSevier60 min

Nearby

Severe Thunderstorm Warnings in Utah, 1996Every severe thunderstorm warning in 1996

Sources

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.