Alert archive / Wisconsin / Tornado Warnings in 1994

Tornado Warning 20, NWS Green Bay, WI

July 7, 1994Dane County, Iowa County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jul 7, 1994, 2:26 PM CDT for Dane County, Iowa County, Wisconsin. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 2:26 PM CDT (19:26 UTC)
Expired
Jul 7, 1994, 3:30 PM CDT
In force
64 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Dane County, WI, Iowa County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.4 hours before the alert went out and 210 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 KMSN 071926
TORMSN
WIC025-049-072030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MADISON WI
226 PM CDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  330 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...DANE COUNTY...IOWA COUNTY
 
AT 220 PM CDT DANE COUNTY SHERIFF REPORTED NUMEROUS FUNNEL CLOUDS AT
MAZOMANIE OR 25 MILES WEST OF MADISON AND AT WEST TOWNE MALL ON THE WEST
SIDE OF MADISON. THE STORMS WERE MOVING TO THE NORTHEAST AT 20 MILES AN
HOUR.
 
SOME CITIES IN THE PATH OF THESE TORNADOES ARE
IN DANE COUNTY...BLACK EARTH...MADISON...MARXVILLE...SUN PRAIRIE
IN IOWA COUNTY...JONESDALE...HOLLANDALE...BARNEVELD
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE  LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
PIERCE
&

What forecasters said that day

The local office's own words before this tornado 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, 1:15 PM CDT, 1 hour 11 minutes before
WIZ031-038-039-048-049-071915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
115 PM CDT THU JUL 7 1994

...STRONG THUNDERSTORMS PUSHING INTO EAST-CENTRAL WISCONSIN...

AT 1PM CDT WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS
MOVING INTO OUTAGAMIE...WINNEBAGO AND WAUPACA COUNTIES. THE STRONGEST
STORMS IN THIS AREA WERE 40 MILES WEST AND SOUTHWEST OF THE CITY OF
GREEN BAY.

SOME TOWNS IN THE PATH OF THESE STORMS ARE NEW LONDON AND SHIOCTON
IN OUTAGAMIE COUNTY AND OSHKOSH IN WINNEBAGO BY ABOUT 120 PM CDT.

TORRENTIAL RAINS...DANGEROUS LIGHTNING AND SMALL HAIL ARE LIKELY
WITH THESE STORMS.

HEAVY RAINS HAVE SATURATED THE GROUND AND ADDITIONAL RAIN WILL PRODUCE
MORE FLOODING.  PERSONS LIVING IN FLOOD PRONE AREAS SHOULD MOVE TO
HIGHER GROUND.

PLH
Special weather statement, Jul 7, 1:45 PM CDT, 41 minutes before
WIZ011>013-019>022-031-037>040-048>050-071945-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
145 PM CDT THU JUL 7 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM FOR BROWN...
OUTAGAMIE...WINNEBAGO...CALUMET...AND MANITOWOC COUNTIES...

AT 137 PM THUNDERSTORMS WITH HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY
WINDS WERE MOVING THROUGH OUTAGAMIE AND WINNEBAGO COUNTIES.  THE STORMS
WERE MOVING OVER LAKE WINNEBAGO AND INTO BROWN AND CALUMET COUNTIES.
NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS.

THESE THUNDERSTORMS WERE PRODUCING HEAVY DOWNPOURS OF RAIN WHICH MAY
RESULT IN THE PONDING OF WATER ON ROADWAYS.  DO NOT DRIVE YOUR CAR INTO
AREAS WHERE STANDING~ WATER COVERS THE ROAD.

MOEDE
Special weather statement, Jul 7, 2:20 PM CDT, 6 minutes before
WIZ011>013-019>022-031-037>040-048>050-072020-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
220 PM CDT THU JUL 7 1994

...THUNDERSTORMS MOVING THROUGH CALUMET COUNTY AND INTO MANITOWOC
COUNTY...

AT 215 PM THUNDERSTORMS WITH HEAVY RAIN WERE MOVING FROM CALUMET COUNTY
INTO MANITOWOC COUNTY.  THESE THUNDERSTORMS WILL MOVE OVER THE TOWNS
OF KELLNERSVILLE...VALDERS AND KIEL BY 315 PM.  NO SEVERE WEATHER HAS
BEEN REPORTED FROM THIS LINE OF STORMS.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR BROWN...OUTAGAMIE...
WINNEBAGO...CALUMET...AND MANITOWOC COUNTIES UNTIL 800 PM.

WHEN THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE A STRONG
BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNTIL THE STORMS HAVE PASSED.

MOEDE
Special weather statement, Jul 7, 2:20 PM CDT, 6 minutes before
WIZ011>013-019>022-031-037>040-048>050-072020-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
220 PM CDT THU JUL 7 1994

...THUNDERSTORMS MOVING THROUGH CALUMET COUNTY AND INTO MANITOWOC
COUNTY...

AT 215 PM THUNDERSTORMS WITH HEAVY RAIN WERE MOVING FROM CALUMET COUNTY
INTO MANITOWOC COUNTY.  THESE THUNDERSTORMS WILL MOVE OVER THE TOWNS
OF KELLNERSVILLE...VALDERS AND KIEL BY 315 PM.  NO SEVERE WEATHER HAS
BEEN REPORTED FROM THIS LINE OF STORMS.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR BROWN...OUTAGAMIE...
WINNEBAGO...CALUMET...AND MANITOWOC COUNTIES UNTIL 800 PM.

WHEN THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE A STRONG
BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNTIL THE STORMS HAVE PASSED.

MOEDE

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 7:36 PM CDTTornado WarningGRBAdams24 min
Jul 6, 7:49 PM CDTTornado WarningGRBGreen Lake11 min
Jul 6, 7:57 PM CDTTornado WarningGRBWinnebago33 min
Jul 6, 8:28 PM CDTSevere Thunderstorm WarningGRBWaushara62 min
Jul 7, 1:27 PM CDTSevere Thunderstorm WarningGRBDane, Green, Rock63 min
Jul 7, 2:51 PM CDTTornado WarningGRBColumbia, Sauk54 min
Jul 7, 3:54 PM CDTTornado WarningGRBGreen Lake, Marquette66 min
Jul 7, 4:26 PM CDTTornado WarningGRBWaushara64 min
Jul 7, 4:51 PM CDTTornado WarningGRBAdams, Juneau69 min

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.