Alert archive / Utah / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 28, NWS Salt Lake City, UT

July 22, 1995Box Elder County, Cache County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 22, 1995, 3:12 PM MDT for Box Elder County, Cache County, Utah. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jul 22, 1995, 3:12 PM MDT (21:12 UTC)
Expired
Jul 22, 1995, 4:00 PM MDT
In force
48 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

Counties Box Elder County, UT, Cache County, UT

The nearest sounding before it

Ely/Yelland Fld, NV (KELY), launched 12:00Z, 9.2 hours before the alert went out and 329 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, Ely/Yelland Fld, NV at 12:00Z on 1995-07-22Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Ely/Yelland Fld, NV at 12:00Z on 1995-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939587897Sfc1 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
2319 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
89 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 222113 RRA
SVRSLC
UTC005-003-222200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
312 PM MDT SAT JUL 22 1995

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A 
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN NORTH CENTRAL UTAH

   ...NORTHWESTERN CACHE COUNTY

IN NORTHWEST UTAH

   ...NORTHEASTERN BOX ELDER COUNTY

AT 310 PM DOPPLER WEATHER RADAR INDICATED A VERY STRONG THUNDERSTORM
OVER INTERSTATE 15 ABOUT 7 MILES SOUTH OF THE IDAHO BORDER OR JUST
NORTH OF PLYMOUTH.   THIS STORM IS MOVING EAST AT ABOUT 15 MPH AND
WILL BE MOVING INTO NORTHWEST CACHE COUNTY IN THE NEXT HALF HOUR. 
TOWNS IN ITS PATH IN CACHE COUNTY ARE CLARKSTON AND TRENTON.  

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
Jul 21, 8:51 PM MDTSevere Thunderstorm WarningSLCBox Elder54 min
Jul 21, 9:09 PM MDTSevere Thunderstorm WarningSLCDuchesne66 min
Jul 21, 9:40 PM MDTSevere Thunderstorm WarningSLCBox Elder65 min

Nearby

Severe Thunderstorm Warnings in Utah, 1995Every severe thunderstorm warning in 1995

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.