Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 7, NWS La Crosse, WI

July 7, 1994Buffalo County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jul 7, 1994, 4:04 PM CDT for Buffalo County, Wisconsin. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 4:04 PM CDT (21:04 UTC)
Expired
Jul 7, 1994, 5:00 PM CDT
In force
56 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Buffalo County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.1 hours before the alert went out and 290 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 1994-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 537 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 12:00Z on 1994-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 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
537 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
43 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 072104
SVRLSE
WIC011-072200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
404 PM CDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  500 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST CENTRAL WISCONSIN
 
   ...BUFFALO COUNTY
 
AT 402 PM...RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES EAST OF ALMA
...OR ABOUT 45 MILES NORTHWEST OF LA CROSSE. THE STORM WAS MOVING EAST
AT 15 MILES AN HOUR...AND WILL BE AFFECTING PRAGG...WAUMANDEE...AND
GILMANTON BETWEEN 405 AND 500 PM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY 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, Jul 7, 2:02 PM CDT, 2 hours 2 minutes before
MNZ092-093-094-070800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
202 AM CDT THU JUL 7 1994

...STRONG THUNDERSTORM MOVING INTO SOUTH CENTRAL MINNESOTA...

AT 2 PM RADAR INDICATED A STRONG THUNDERSTORM ABOUT 30 MILES SOUTH
OF ALBERT LEA NEAR JOICE IOWA. THIS STORM WAS MOVING TO THE NORTH-
NORTHEAST AT 25 MPH.

PEOPLE TRAVELLING ON I-35 SOUTH OF ALBERT LEA SHOULD BE PREPARED
TO ENCOUNTER HEAVY RAINS...SMALL HAIL AND GUSTY WINDS BETWEEN 215
AND 245 PM. ALSO PEOPLE NEAR THE TOWNS OF TWIN LAKES AND GORDONSVILLE
SHOULD BE AWARE OF THIS STORM AS IT WILL PASS THROUGH THE AREA BY
215 PM.

IF STORMS APPROACH YOUR AREA...TAKE SHELTER AND DO NOT USE ELECTRICAL
APPLIANCES.

ETJ
Special weather statement, Jul 7, 2:27 PM CDT, 1 hour 37 minutes before
WIZ032>034-041-042-053-054-072100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
225 PM CDT THU JUL 7 1994

...SEVERE THUNDERSTORM WATCH UNTIL 800 PM...

AT 220 PM...RADAR INDICATED THUNDERSTORMS DEVELOPING IN EXTREME
NE IOWA NEAR WAUKON OR ABOUT 30 MILES SOUTHEAST OF LA CROSSE. NO
MOVEMENT HAS YET BEEN DETERMINED ON THESE STORMS. OTHER STRONG
THUNDERSTORMS WERE LOCATED JUST WEST OF WINONA AND ALSO TO THE EAST
OF GAYS MILLS ABOU(T 40 MILES SOUTHEAST OF LA CROSSE. THESE STORMS
WERE MOVING TO THE NORTHEAST AT ABOUT 15 MILES AN HOUR.

THESE THUNDERSTORMS MAY PRODUCE STRONG WINDS...HEAVY RAIN AND SMALL
HAIL. MOVE INDOORS IF THUNDERSTORMS APPROACH YOUR LOCATION.

ALBRECHT
Special weather statement, Jul 7, 2:36 PM CDT, 1 hour 28 minutes before
MNZ077-078-079-084-085-086-087-088-092-093-094-095-070845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
236 AM CDT THU JUL 7 1994

...STRONG THUNDERSTORMS OVER SOUTHERN MINNESOTA...

AT 230 PM TWO AREAS OF STRONG THUNDERSTORMS WERE OVER SOUTHERN
MINNESOTA. ONE AREA EXTENDED FROM EYOTA TO NEAR PLAINVIEW OR
ABOUT 15 MILES NORTHEAST OF ROCHESTER. THE OTHER AREA WAS NEAR
THE IOWA BORDER NEAR TWIN LAKES AND I-35.

THESE STORMS WERE MOVING TO THE NORTH-NORTHEAST AT 25 MPH. PLACES
SUCH AS ALBERT LEA AND WABASHA CAN EXPECT TO SEE THESE STORMS PASS
THROUGH THEIR AREAS BY 3 PM. ALSO MOTORISTS ON I-35 NEAR ALBERT LEA
SHOULD BE AWARE OF THIS STORM.

HEAVY DOWNPOURS...GUSTY WINDS AND SMALL HAIL ARE POSSIBLE WITH THESE
STORMS. IF IN THE PATH OF THESE STORMS...TAKE SHELTER INDOORS UNTIL
THEY PASS.

ETJ
Special weather statement, Jul 7, 2:59 PM CDT, 1 hour 5 minutes before
MNZ074-075-076-077-078-079-082-083-084-085-086-087-088-091-092-
093-094-095-070900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROCHESTER MN
259 AM CDT THU JUL 7 1994

...TORNADO WATCH UNTIL 8 PM FOR ALL OF SOUTH CENTRAL AND SOUTHEASTERN
MINNESOTA...
...MORE THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHERN MINNESOTA...

AT 3 PM RADAR INDICATED STRONG THUNDERSTORMS NEAR PLAINVIEW OR 20 MILES
NORTHEAST OF ROCHESTER. ANOTHER STORM THAT WAS RAPIDLY BUILDING WAS
ABOUT 10 MILES SOUTH OF MANKATO AND OTHER STORMS WERE NEAR FAIRMONT
AND AUSTIN.

THESE STORMS CONTINUE TO MOVE TO THE NORTH-NORTHEAST AT 25 MPH. PEOPLE
IN MANAKTO...FAIRMONT...WHITEWATER STATE PARK AND BLOOMING PRARIE
SHOULD ALL BE AWARE OF THESE STORMS AS THEY WILL MOVE THROUGH THEIR
AREA BY 330 PM.

HEAVY DOWNPOURS...GUSTY WINDS...FREQUENT LIGHTNING AND SMALL HAIL ARE
POSSIBLE WITH THESE STORMS. TAKE SHELTER IF IN THE PATH OF THEM UNTIL
THEY PASS YOUR AREA.

ETJ
Special weather statement, Jul 7, 3:15 PM CDT, 49 minutes before
WIZ032>034-041-042-053-054-072200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
315 PM CDT THU JUL 7 1994

...SEVERE THUNDERSTORM WATCH UNTIL 800 PM...

AT 310 PM...RADAR INDICATED A POSSIBLE TORNADO IN SOUTHEAST
MINNESOTA NEAR THE WINONA...WABASHA COUNTY LINE. THIS STORM WAS
MOVING NORTH AT ABOUT 10 MILES AN HOUR AND WILL BE MOVING INTO THE
ALMA AND NELSON AREAS OF BUFFALO COUNTY.

PEOPLE IN NORTHWEST BUFFALO COUNTY SHOULD BE PREPARED TO MOVE TO
THEIR BASEMENTS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS CONCERNING THIS STORM.

ALBRECHT
Special weather statement, Jul 7, 3:52 PM CDT, 12 minutes before
WIZ032>034-041-042-053-054-072203-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
351 PM CDT THU JUL 7 1994

...SEVERE THUNDERSTORM WATCH UNTIL 800 PM...

AT 348 PM...RADAR INDICATED SCATTERED THUNDERSTORMS...SOME PRODUCING
HEAVY RAIN...IN THE LA CROSSE AREA.  THUNDERSTORMS WERE 50 MILES
NORTHWEST OF LA CROSSE NEAR ALMA...10 MILES SOUTH OF LA CROSSE NEAR
STODDARD...AND 20 MILES SOUTHWEST OF LA CROSSE NEAR CALEDONIA
MINNESOTA.

THE THUNDERSTORMS WERE MOVING NORTHEAST AT 15 MILES AN HOUR.

THUNDERSTORMS WILL BE SCATTERED AROUND THE IMMEDIATE LA CROSSE AREA
THROUGH 600 PM...BUT AT THIS TIME...NO SEVERE WEATHER IS BEING
REPORTED WITH THESE STORMS.  HOWEVER...A SEVERE THUNDERSTORM WATCH
REMAINS IN EFFECT UNTIL 800 PM.  BE SURE AND LISTEN FOR LATER
STATEMENTS CONCERNING THESE STORMS.

BRUCE

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.