Alert archive / Utah / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 6, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Jul 24, 1990, 7:56 PM MDT for Carbon County, Utah. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 24, 1990, 7:56 PM MDT (01:56 UTC)
- Expired
- Jul 24, 1990, 9:00 PM MDT
- In force
- 64 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Carbon County, UT
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 1.9 hours before the alert went out and 168 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.
- Mixed-layer CAPE
- 166 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 2194 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 295 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSLC 250159 SVRSLC UTC007-250300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 756 PM MDT TUE JUL 24 1990 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN EAST CENTRAL UTAH ...CARBON COUNTY THE PRICE HIGHWAY PATROL AT 751 PM THIS EVENING REPORTED THREE-QUARTER INCH DIAMETER HAIL WAS FALLING AT WELLINGTON. THE ASSOCIATED THUNDERSTORM IS MOVING NORTHEAST AT ABOUT 25 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. ERC 25 JUL 90 0158Z
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 24, 5:45 PM MDT, 2 hours 11 minutes before
UTZALL-250500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 545 PM MDT TUE JUL 24 1990 ...STRONG THUNDERSTORMS ARE CONTINUING OVER MUCH OF NORTH CENTRAL AND NORTHEAST UTAH... THIS WAS CONFIRMED AT 530 PM BY SATELLITE...RADAR...AND LIGHTNING DETECTION INFORMATION AS WELL AS NUMEROUS REPORTS OF SIGNIFICANT WEATHER. IN THE LAST HOUR THIS INCLUDED 5/8 INCH DIAMETER HAIL IN EMERY COUNTY... WINDS TO 47 MPH AT CEDAR CITY...67 CLOUD TO GROUND LIGHTNING STRIKES IN 30 MINUTES JUST WEST OF THE SALT LAKE AIRPORT...AND LOCALLY HEAVY RAINFALL AT SEVERAL LOCATIONS IN NORTH CENTRAL UTAH. THESE TYPE CONDITIONS ARE EXPECTED TO CONTINUE OVER MOST OF NORTH CENTRAL NORTHEAST UTAH THROUGH THIS EVENING...BEFORE ABATING SOME. PERSONS PARTICIPATING IN OUTDOOR ACTIVITIES SHOULD BE ALERT TO THREATENIG CONDITIONS AND DANGEROUS LIGHTNING. DON`T BE A HUMAN LIGHTNING ROD. TAKE PROPER PROTECTION IN A STRUCTURE OR VEHICLE IF LIGHTNINcG IS IN THE AREA. FURTHER STATEMENTS WILL BE ISSUED AS NEEDED. ERC 24 JUL 90 2342Z
Nearby
Severe Thunderstorm Warnings in Utah, 1990Every severe thunderstorm warning in 1990
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.