Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 19, NWS La Crosse, WI

August 12, 1995Clark County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 12, 1995, 6:21 AM CDT for Clark County, Wisconsin. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Aug 12, 1995, 6:21 AM CDT (11:21 UTC)
Expired
Aug 12, 1995, 7:15 AM CDT
In force
54 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Clark County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 11.4 hours before the alert went out and 201 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, Green Bay/Straub, WI at 00:00Z on 1995-08-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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, Green Bay/Straub, WI at 00:00Z on 1995-08-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
56 J/kg
Mixed-layer CIN
-292 J/kg
Mixed-layer LCL
1189 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLSE 121121 RRA
SVRLSE
WIC019-121215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
621 AM CDT SAT AUG 12 1995
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL WISCONSIN
 
   ...NORTHERN CLARK COUNTY
 
AT 615 AM...RADAR INDICATED A SEVERE THUNDERSTORM JUST EAST OF THORP OR
ABOUT 40 MILES EAST OF EAU CLAIRE. THE STORM WAS MOVING EAST AT 35 MILES
AN HOUR AND WILL BE AFFECTING THE TOWNS OF WITHEE AND OWEN BETWEEN 630
AND 700 AM.
 
 
THIS SEVERE THUNDERSTORM WILL PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LI^GHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.
 
RKA
 
 
NNNN

Nearby

Severe Thunderstorm Warnings in Wisconsin, 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.