Alert archive / Utah / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 21, NWS Salt Lake City, UT

July 5, 1994Rich County, Utah

NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 5, 1994, 6:16 PM MDT for Rich County, Utah. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Jul 5, 1994, 6:16 PM MDT (00:16 UTC)
Expired
Jul 5, 1994, 7:15 PM MDT
In force
59 min
Issued by
NWS Salt Lake City, UT
Area
Whole counties

County Rich County, UT

The nearest sounding before it

Salt Lake City I, UT (KSLC), launched 00:00Z, 0.3 hours before the alert went out and 109 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 1994-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 615 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 1994-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 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
615 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
3727 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.2

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KSLC 060019 RRA
SVRSLC
UTC033-060115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING FOR HIGH WINDS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
616 PM MDT TUE JUL 5 1994

THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A 
SEVERE THUNDERSTORM WARNING FOR HIGH WINDS 
EFFECTIVE UNTIL  715 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL UTAH

   ...RICH COUNTY


ANOTHER THUNDERSTORMS IS APPROACHING RICH COUNTY AND SHOULD MOVE
ACROSS RICH COUNTY BY SHORTLY AFTER 8 PM.  THIS STORM PRODUCED A GUST
OF 60 MPH A LEWISTON IN NORTHERN CACHE COUNTY AT 601 PM.  IN ADDITION
58 MPH WINDS WERE REPORTED AT RANDOLPH JUST AFTER 530 PM.  

THE THUNDERSTORM IS MOVING TOWARD THE NORTHEAST AT ABOUT 30 MPH.

LOOSE OBJECTS CAN BE DANGEROUS IF THEY BECOME AIRBORNE IN STRONG
THUNDERSTORM WINDS.  TAKE PRECAUTIONS TO TIE DOWN LOOSE OBJECTS OR
BRING THEM INDOORS.




&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 7:00 PM MDTSevere Thunderstorm WarningSLCSalt Lake45 min
Jul 5, 7:50 PM MDTSevere Thunderstorm WarningSLCSalt Lake, Utah55 min

Nearby

Severe Thunderstorm Warnings in Utah, 1994Every severe thunderstorm warning in 1994

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.