Alert archive / Utah / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 71, NWS Salt Lake City, UT

August 1, 1996Utah County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Aug 1, 1996, 6:10 PM MDT for Utah County, Utah. It was in force for 35 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 1, 1996, 6:10 PM MDT (00:10 UTC)
Expired
Aug 1, 1996, 6:45 PM MDT
In force
35 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Utah County, UT

What was reported inside it

TimeReportWhereRemark
Aug 1, 6:25 PM MDTThunderstorm Wind 56Provo (Byu), UT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 0.2 hours before the alert went out and 76 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 00:00Z on 1996-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 454 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, Salt Lake City I, UT at 00:00Z on 1996-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
454 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
2698 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
128 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 020012
SVRSLC
UTC049-035-043-020045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
610 PM MDT THU AUG 1 1996

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A 
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN CENTRAL UTAH

   ...NORTHEASTERN UTAH COUNTY

IN NORTH CENTRAL UTAH

   ...SOUTHEASTERN SALT LAKE COUNTY...WESTERN SUMMIT COUNTY

DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM DEVELOPING NEAR DRAPER
AT 605 PM.  THE STORM WAS MOVING EAST-NORTHEAST ALONG THE SALT LAKE-
UTAH COUNTY LINE.  IT WILL PASS OVER ALTA ABOUT 620 PM AND PARK CITY
ABOUT 630 PM. 

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 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.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 6:10 PM MDTSevere Thunderstorm WarningSLCSalt Lake, Summit35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.