Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 18, NWS La Crosse, WI

August 25, 1992Crawford County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 25, 1992, 2:42 PM CDT for Crawford County, Wisconsin. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Aug 25, 1992, 2:42 PM CDT (19:42 UTC)
Expired
Aug 25, 1992, 3:45 PM CDT
In force
63 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Crawford County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.7 hours before the alert went out and 266 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 12:00Z on 1992-08-25Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 1992-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
54 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 
TTAA00 KLSE 251942
SVRLSE
WIC023-252045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
242 PM CDT TUE AUG 25 1992
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
    FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST WISCONSIN
 
   ...CRAWFORD COUNTY
 
AT 240 PM...RADAR INDICATED A SEVERE THUNDERSTORM OVER PRAIRIE DU
CHIEN...60 MILES SOUTH OF LA CROSSE. THE STORM WAS MOVING NORTHEAST
AT 40 MILES AN HOUR AND WILL BE NEAR EASTMAN BY 300 PM.  THIS STORM
HAS PRODUCED DAMAGING WINDS IN EXCESS OF 60 MILES AN HOUR AT
PRAIRIE DU CHIEN.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD (MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
THOMPSON
 
NNNN

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, Aug 25, 1:24 PM CDT, 1 hour 18 minutes before
WIZ010-014-251930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
125 PM CDT TUE AUG 25 1992

AT 124 PM...RADAR INDICATED A STRONG THUNDERSTORM JUST NORTH OF
LA FARGE...35 MILES SOUTHEAST OF LA CROSSE. THE STORM WAS PRODUCING
SOME HEAVY RAIN AND DANGEROUS LIGHTNING.

THE STORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL BE
PASSING NEAR MT TABOR AND TOMAH BETWEEN 130 AND 230 PM.

MOVE INDOORS WHEN THUNDERSTORMS APPROACH YOUDR LOCATION.

INGRAM
Special weather statement, Aug 25, 2:08 PM CDT, 34 minutes before
WIZ010-014-252030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
207 PM CDT TUE AUG 25 1992

AT 205 PM...RADAR INDICATED SHOWERS AND SOME STRONG THUNDERSTORMS IN
NORTHEAST IOWA. THESE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST
AT 30 MILES AN HOUR AND WILL BE MOVING INTO THE VICINITY OF PRAIRIE
DU CHIEN...OR IN AREAS 30 TO 60 MILES SOUTH OF LA CROSSE BETWEEN 215
AND 315 PM.

HEAVY RAIN AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THESE STORMS
AS THEY MOVE INTO SOUTHWEST WISCONSIN.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHERN WISCONSIN
UNTIL 900 PM.  MOVE INDOORS WHEN THUNDERSTORMS APPROACH YOUR
LOCATION.

INGRAM

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1992Every severe thunderstorm warning in 1992

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.