Alert archive / Utah / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Salt Lake City, UT

June 12, 1992Cache County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jun 12, 1992, 7:45 PM MDT for Cache County, Utah. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1992, 7:45 PM MDT (01:45 UTC)
Expired
Jun 12, 1992, 8:30 PM MDT
In force
45 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Cache County, UT

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 1.8 hours before the alert went out and 106 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 1992-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 219 joules per kilogram.LCLEL10008507005003002001001 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 1992-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
219 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
3645 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSLC 130146
SVRSLC
UTC005-130230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING FOR HIGH WINDS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
745 PM MDT FRI JUN 12 1992
 
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING FOR HIGH WINDS
EFFECTIVE UNTIL  830 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTH CENTRAL UTAH
 
   ...CACHE COUNTY
 
A THUNDERSTORMS ALONG A COLD FRONT MOVING THROUGH THE CACHE VALLEY IS
PRODUCING WINDS APPROACHING 60 MPH. THIS STORM IS MOVING TO THE
NORTHEAST AT AROUND 25 MPH.
 
SEEK SHELTER IMMEDIATELY TO AVOID INJURY FROM FLYING DEBRIS OR
LIGHTNING.
 
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
Jun 12, 8:19 PM MDTSevere Thunderstorm WarningSLCRich41 min

Nearby

Severe Thunderstorm Warnings in Utah, 1992Every severe thunderstorm warning in 1992

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.