Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS La Crosse, WI

August 18, 1993Buffalo County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 18, 1993, 9:10 AM CDT for Buffalo County, Wisconsin. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Aug 18, 1993, 9:10 AM CDT (14:10 UTC)
Expired
Aug 18, 1993, 10:15 AM CDT
In force
65 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Buffalo County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 2.2 hours before the alert went out and 155 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, Minneapolis, MN at 12:00Z on 1993-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 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, Minneapolis, MN at 12:00Z on 1993-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
12 J/kg
Mixed-layer CIN
-421 J/kg
Mixed-layer LCL
1027 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
100 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 KLSE 181410
SVRARX
WIC011-181515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
910 AM CDT WED AUG 18 1993
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM CDT
    FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL WISCONSIN
 
   ...BUFFALO COUNTY
 
AT 905 AM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR KELLOGG MINNESOTA
...OR ABOUT 50 MILES NORTH WEST OF LA CROSSE. THE STORM WAS MOVING EAST
AT 40 MILES AN HOUR AND WILL AFFECT ALMA...COCHRANE...AND CREAM BETWEEN
915 AND 1015 AM.
 
THE PRIMARY THREATS WITH THIS STORM IS DAMAGING WINDS IN EXCESS OF
60 MILES AN HOUR AND LARGE HAIL.
 
THIS STORM IS GOING TO PRODUCE DAMAGING WINDS...LARGE HAIL...
AND DEADLY LIGHTNING.  GO INDOORS AND STAY AWAY FROM WINDOWS.
GET OUT OF MOBILE HOMES AND MOVE TO A STORM SHELTER NOW.
 
INGRAM
 
NNNN

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1993Every severe thunderstorm warning in 1993

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.