Alert archive / Utah / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 13, NWS Salt Lake City, UT

May 30, 1996Salt Lake County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at May 30, 1996, 1:04 PM MDT for Salt Lake County, Utah. It was in force for 26 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
May 30, 1996, 1:04 PM MDT (19:04 UTC)
Expired
May 30, 1996, 1:30 PM MDT
In force
26 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Salt Lake County, UT

What was reported inside it

TimeReportWhereRemark
May 30, 1:15 PM MDTHail 1Riverton, 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 12:00Z, 7.1 hours before the alert went out and 13 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 1996-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 12:00Z on 1996-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
10 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1060 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
37 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 
TTAA00 KSLC 301907
SVRSLC
UTC035-301930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
104 PM MDT THU MAY 30 1996

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A 
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL UTAH

   ...SOUTHERN SALT LAKE COUNTY

DOPPLER RADAR INDICATES A SEVERE THUNDERSTORM WITH LARGE HAIL NEAR
HERRIMAN MOVING EAST NORTHEAST AT 15 MPH.  THIS STORM WILL MOVE
THROUGH THE DRAPER/SANDY AREA OVER THE NEXT 10 MINUTES.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG
BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 1:59 PM MDTSevere Thunderstorm WarningSLCUtah31 min
May 30, 4:30 PM MDTSevere Thunderstorm WarningSLCBox Elder30 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.