Alert archive / Wisconsin / Tornado Warnings in 1994

Tornado Warning 2, NWS La Crosse, WI

July 7, 1994Crawford County, Vernon County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jul 7, 1994, 8:34 PM CDT for Crawford County, Vernon County, Wisconsin. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 8:34 PM CDT (01:34 UTC)
Expired
Jul 7, 1994, 9:30 PM CDT
In force
56 min
Issued by
NWS La Crosse, WI
Area
Whole counties

Counties Crawford County, WI, Vernon County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.6 hours before the alert went out and 252 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 1994-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 1994-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
2 J/kg
Mixed-layer CIN
-292 J/kg
Mixed-layer LCL
1127 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
-3 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 080134
TORLSE
WIC023-123-080230-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
834 PM CDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  930 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...
 
IN SOUTHWEST WISCONSIN
 
   ...CRAWFORD COUNTY...VERNON COUNTY
 
POLICE SPOTTERS REPORTED POSSIBLE TORNADOS IN EXTREME NORTHEAST IOWA
NEAR HARPERS FERRY AND NEW ALBIN...OR 30 AND 40 MILES SOUTH OF LA CROSSE
RESPECTIVELY. THE STORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR
AND WILL AFFECT GENOA...VIROQUA...PRAIRIE DU CHIEN AND LYNXVILLE AND
GAYS MILLS BETWEEN 840 AND 930 PM.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
INGRAM
 
&
NNNN

Nearby

Tornado Warnings in Wisconsin, 1994Every tornado warning in 1994Tornadoes 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.