Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 29, NWS La Crosse, WI

September 13, 1994La Crosse County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Sep 13, 1994, 5:56 PM CDT for La Crosse County, Wisconsin. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Sep 13, 1994, 5:56 PM CDT (22:56 UTC)
Expired
Sep 13, 1994, 7:00 PM CDT
In force
64 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County La Crosse County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 10.9 hours before the alert went out and 224 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 1994-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 867 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 1994-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
867 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
921 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLSE 132256 RRA
SVRLSE
WIC063-140000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
556 PM CDT TUE SEP 13 1994
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL WISCONSIN
 
   ...SOUTHERN LA CROSSE COUNTY
 
AT 555 PM...RADAR INDICATED A SEVERE THUNDERSTROM NEAR HOLMEN...OR
ABOUT 10 MILES NORTH OF LA CROSSE. THE STORM WAS MOVING SOUTHEAST AT
25 MILES AN HOUR...AND WILL AFFECT THE LA CROSSE...ONALASKA...AND
WEST SALEM AREAS THROUGH 645 PM.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DREADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
BRUCE
 
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, Sep 13, 3:37 PM CDT, 2 hours 19 minutes before
WIZ041-132145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
337 PM CDT TUE SEP 13 1994

TEST...TEST...TEST...

THIS IS A COMMUNICATIONS TEST ONLY.

BRUCE

NNNN
Special weather statement, Sep 13, 3:45 PM CDT, 2 hours 11 minutes before
WIZ032>034-041-042-053-054-132300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
345 PM CDT TUE SEP 13 1994

...THUNDERSTORMS DEVELOPING NORTHWEST OF LA CROSSE...

AT 340 PM...RADAR INDICATED STRONG THUNDERSTORMS NEAR ALMA AND NELSON
OR ABOUT 50 MILES NORTHWEST OF LA CROSSE. THESE STORMS WERE MOVING TO
THE EAST SOUTHEAST AT 30 MILES AN HOUR AND WILL BE AFFECTING AREAS TO
THE NORTH AND WEST OF LA CROSSE BETWEEN 345 AND 600 PM.

HEAVY RAINS AND DEADLY LIGHTNING WILL OCCUR WITH THESE STORMS AND
THERE IS ALSO A CHANCE OF SMALL HAIL AND BRIEF GUSTY WINDS. PERSONS
SHOULD STAY INDOORS UNTIL THESE STORMS PASS AND STAY TUNED TO
WEATHER RADIO FOR LATER UPDATES CONCERNING THE STORMS.

ALBRECHT
Special weather statement, Sep 13, 5:12 PM CDT, 44 minutes before
MNZ078-079-087-088-095-096-132315-

SPECIAL WEATHER STATEMENT...CORRECTION FOR ZONES
NATIONAL WEATHER SERVICE ROCHESTER MN
512 PM CDT TUE SEP 13 1994

...STRONG THUNDERSTORMS IN SOUTHEAST MINNESOTA...

AT 510 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS OVER
SOUTHEAST MINNESOTA. THESE THUNDERSTORMS WERE LOCATED FROM WINONA...TO
UTICA...TO ROCHESTER. THESE STORMS WERE DEVELOPING QUICKLY AND MOVING
TO THE EAST AT 35 MPH.

DOWNPOURS...DEADLY LIGHTNING...AND SMALL HAIL ARE POSSIBLE WITH
THESE STORMS. PERSONS SHOULD STAY INDOORS UNTIL THESE STORMS PASS.

TEAL
Special weather statement, Sep 13, 5:15 PM CDT, 41 minutes before
MNC045-049-055-109-157-169-132315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
512 PM CDT TUE SEP 13 1994

...STRONG THUNDERSTORMS IN SOUTHEAST MINNESOTA...

AT 510 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS OVER
SOUTHEAST MINNESOTA. THESE THUNDERSTORMS WERE LOCATED FROM WINONA...TO
UTICA...TO ROCHESTER. THESE STORMS WERE DEVELOPING QUICKLY AND MOVING
TO THE EAST AT 35 MPH.

DOWNPOURS...DEADLY LIGHTNING...AND SMALL HAIL ARE POSSIBLE WITH
THESE STORMS. PERSONS SHOULD STAY INDOORS UNTIL THESE STORMS PASS.

TEAL
Special weather statement, Sep 13, 5:21 PM CDT, 35 minutes before
MNZ078-079-087-088-095-096-132315-

SPECIAL WEATHER STATEMENT...CORRECTION FOR ZONES
NATIONAL WEATHER SERVICE ROCHESTER MN
512 PM CDT TUE SEP 13 1994

...STRONG THUNDERSTORMS IN SOUTHEAST MINNESOTA...

AT 510 PM...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS OVER
SOUTHEAST MINNESOTA. THESE THUNDERSTORMS WERE LOCATED FROM WINONA...TO
UTICA...TO ROCHESTER. THESE STORMS WERE DEVELOPING QUICKLY AND MOVING
TO THE EAST AT 35 MPH.

DOWNPOURS...DEADLY LIGHTNING...AND SMALL HAIL ARE POSSIBLE WITH
THESE STORMS. PERSONS SHOULD STAY INDOORS UNTIL THESE STORMS PASS.

TEAL

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 13, 4:49 PM CDTSevere Thunderstorm WarningARXTrempealeau56 min
Sep 13, 4:58 PM CDTSevere Thunderstorm WarningARXJackson62 min
Sep 13, 5:26 PM CDTSevere Thunderstorm WarningARXLa Crosse, Monroe64 min
Sep 13, 6:19 PM CDTSevere Thunderstorm WarningARXMonroe41 min
Sep 13, 6:19 PM CDTSevere Thunderstorm WarningARXVernon56 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm warning 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.