Alert archive / Utah / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS Salt Lake City, UT

July 19, 1995Box Elder County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 19, 1995, 4:35 PM MDT for Box Elder County, Utah. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 19, 1995, 4:35 PM MDT (22:35 UTC)
Expired
Jul 19, 1995, 5:15 PM MDT
In force
40 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Box Elder County, UT

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 12:00Z, 10.6 hours before the alert went out and 129 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 1995-07-19Temperature 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 km15 km-30°-20°-10°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 1995-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
2383 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
85 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 
WUUS1 KSLC 192242
SVRSLC
UTC003-192315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
435 PM MDT WED JUL 19 1995

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A 
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWEST UTAH

   ...NORTHERN BOX ELDER COUNTY

DOPPLER WEATHER RADAR INDICATES A SEVERE THUNDERSTORM IS OVER
NORTHERN BOX ELDER COUNTY MOVING NORTHEAST AT 15 MPH.   THE STORM IS
CURRENTLY IN A REMOTE AREA...ABOUT 5 MILES SOUTHEAST OF PARK
VALLEY...AND WILL AFFECT STATE ROUTE 30.     

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 6:05 PM MDTSevere Thunderstorm WarningSLCUtah40 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.