Alert archive / Wisconsin / Tornado Warnings in 1991

Tornado Warning 9, NWS Green Bay, WI

May 29, 1991Marinette County, Oconto County, Wisconsin

NWS Green Bay, WI issued this tornado warning at May 29, 1991, 3:44 AM CDT for Marinette County, Oconto County, Wisconsin. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
May 29, 1991, 3:44 AM CDT (08:44 UTC)
Expired
May 29, 1991, 4:45 AM CDT
In force
61 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Marinette County, WI, Oconto County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.7 hours before the alert went out and 77 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 1991-05-29Temperature 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 00:00Z on 1991-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
54 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
381 m²/s²
Significant tornado parameter
0.0
Supercell composite
11.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRB 290844
TORGRB
WIC075-083-290945-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE GREEN BAY WI
344 AM CDT WED MAY 29 1991

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 445 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF WISCONSIN
      SOUTHERN MARINETTE...CENTRAL OCONTO

A CONFIRMED TORNADO ON THE GROUND WAS REPORTED 8 MILES NORTH OF
SURING NEAR ANDERSON LAKE. THE PATH OF THE TORNADO WILL BE TO TYE
TOWNS OF KLONDIKE IN OCONTO COUNTY...AND POUND AND COLEMAN IN
SOUTHERN MARINETTE COUNTY. THE TORNADO WAS MOVING EAST AT 35 TO
40 MPH.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE TO BE IS IN
A BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...FIND SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO PROTECT YOUR BODY FROM FLYING DEBRIS. AVOID WINDOWS.

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 WINDdOWS.  ABANDON CARS AND MOBILE HOMES...
TAKE COVER IN A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

MECIKALSKI

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, May 29, 1:41 AM CDT, 2 hours 3 minutes before
WIZ005-290730

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
135 AM CDT WED MAY 29 1991

AT 130 AM CDT...WEATHER RADAR INDICATED THE LEADING EDGE OF A LINE
OF SEVERE THUNDERSTORMS EXTENDED FROM CENTRAL VILAS COUNTY...JUST
WEST OF CONOVER...SOUTHWEST TO NORTHWEST LINCOLN COUNTY. THE
STORMS WERE RACING EAST AT 45 TO 55 MPH.

WINDS IN THE 50 TO 60 MPH RANGE HAVE BEEN REPORTED WITH STORMS IN
THE LINE ALONG WITH 1 TO 2 INCH HAIL. ALSO...VERY HEAVY RAINFALL
WAS ACCOMPANYING THE STORMS AND LOCAL FLOODING MAY OCCUR ESPECIALLY
IN AREAS WHICH RECEIVED PREVIOUS HEAVY RAINFALL.

THE STORMS WILL LIKELY AFFECT THESE COUNTIES BETWEEN 230 AND 300 AM.
PEOPLE AREA ADVISED TO STAY TUNED FOR FURTHER DETAILS CONCERNING THESE
DANGEROUS STORMS.
MECIKALSKI
Special weather statement, May 29, 1:45 AM CDT, 1 hour 59 minutes before
WIZ005-290730

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
135 AM CDT WED MAY 29 1991

...STORNG THUNDERSTORMS APPROACHING FOREST...FLORENCE AND LANGLADE
   COUNTIES...
AT 130 AM CDT...WEATHER RADAR INDICATED THE LEADING EDGE OF A LINE
OF SEVERE THUNDERSTORMS EXTENDING FROM CENTRAL VILAS COUNTY...JUST
WEST OF CONOVER...SOUTHWEST TO NORTHWEST LINCOLN COUNTY. THE
STORMS WERE RACING EAST AT 45 TO 55 MPH.

WINDS IN THE 50 TO 60 MPH RANGE HAVE BEEN REPORTED WITH STORMS IN
THE LINE ALONG WITH 1 TO 2 INCH HAIL. ALSO...VERY HEAVY RAINFALL
WAS ACCOMPANYING THE STORMS AND LOCAL FLOODING MAY OCCUR ESPECIALLY
IN AREAS WHICH RECEIVED PREVIOUS HEAVY RAINFALL.

THE STORMS WILL LIKELY AFFECT FOREST...FLORENCE AND LANGLADE COUNTIES
BETWEEN 230 AND 300 AM. PEOPLE AREA ADVISED TO STAY TUNED FOR FURTHER
DETAILS CONCERNING THESE DANGEROUS STORMS.           MECIKALSKI
Special weather statement, May 29, 2:34 AM CDT, 1 hour 10 minutes before
WIZ005-290845

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
230 AM CDT WED MAY 29 1991

...STRONG THUNDERSTORMS APPROACHING SHAWANO AND MENOMINEE COUNTIES...

AT 230 AM CDT...WEATHER SERVICE RADAR SHOWED A LINE OF STRONG THUNDERSTORMS
JUST ENTERING WESTERN SHAWANO COUNTY.  THESE STORMS HAVE A HISTORY OF
DAMAGING WINDS...LARGE HAIL...AND VERY HEAVY RAINS.

THE LINE OF STORMS WAS MOVING TO THE EAST AT 35 TO 40 MILES AN HOUR...
AND WILL AFFECT THE CITY OF SHAWANO...AND ALSO THE CITY OF KESHENA IN
MENOMINEE COUNTY BY AROUND 330 AM.  PERSONS IN THE PATH OF THESE STORMS
SHOULD SEEK INDOOR SHELTER AND STAY AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM FOR LANGLADE
COUNTY.  STAY TUNED TO YOUR NOAA WEATHER RADIO FOR FURTHER STATEMENTS OR
WARNINGS.
ISAACSON
Special weather statement, May 29, 3:06 AM CDT, 38 minutes before
WIZ005-290945

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
305 AM CDT WED MAY 29 1991

...STRONG THUNDERSTORMS MOVING THROUGH FOREST COUNTY...

AT 300 AM CDT...WEATHER SERVICE RADAR SHOWED A LINE OF STRONG THUNDERSTORMS
IN FOREST COUNTY FROM 25 MILES NORTH OF CRANDON SOUTHWARD INTO LANGLADE
COUNTY.  THIS IS FROM 30 TO 60 MILES NORTHEAST OF WAUSAU.

THE STORMS WERE MOVING TO THE EAST AT 35 TO 40 MILES AN HOUR...AND WILL
MOVE THROUGH FOREST COUNTY...AND WILL ENTER FLORENCE AND NORTHERN OCONTO
COUNTIES BY AROUND 400 AM.  PERSONS IN THE PATH OF THESE STORMS
SHOULD SEEK INDOOR SHELTER AND STAY AWAY FROM WINDOWS.

FOREST COUNTY SHERIFFS REPORTED SMALL HAIL...STRONG WINDS...AN/D HEAVY RAINS
FROM THESE STORMS PASSING THROUGH CRANDON.  STAY TUNED TO YOUR NOAA WEATHER
RADIO FOR FURTHER STATEMENTS OR WARNINGS.
ISAACSON
Special weather statement, May 29, 3:10 AM CDT, 34 minutes before
WIZ005-008-290900

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
310 AM CDT WED MAY 29 1991

...STRONG THUNDERSTORMS MOVING THROUGH NORTHERN WAUPACA COUNTY...

AT 305 AM CDT...WEATHER SERVICE RADAR SHOWED THE SOUTHERN END OF A LINE
OF STRONG THUNDERSTORMS MOVING EAST THROUGH THE NORTHERN PORTIONS OF
WAUPACA COUNTY. THE STORMS WERE 50 MILES WEST OF GREEN BAY AND WILL
BE AFFECTING THE TOWNS OF BIG FALLS AND CLINTONVILLE.

THE LINE OF STORMS WAS MOVING TO THE EAST AT 40 TO 45 MILES AN HOUR...
AND WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH...LARGE HAIL AND
HEAVY RAINS.  PERSONS IN THE PATH OF THESE STORMS SHOULD SEEK INDOOR
SHELTER AND STAY AWAY FROM WINDOWS.

A TORNA7DO WATCH REMAINS IN EFFECT FOR A LARGE PART OF NORTHEAST WISCONSIN
UNTIL 5AM CDT. STAY TUNED TO YOUR NOAA WEATHER RADIO FOR FURTHER STATEMENTS
OR WARNINGS.                                           MECIKALSKI
Special weather statement, May 29, 3:28 AM CDT, 16 minutes before
WIZ005-008-290930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
330 AM CDT WED MAY 29 1991

...STRONG THUNDERSTORMS MOVING INTO EASTERN OCONTO AND SOUTHERN
   MARINETTE COUNTIES...

AT 325 AM CDT...WEATHER SERVICE RADAR SHOWED A LINE OF STRONG THUNDER-
STORMS CONTINUING TO MOVE EAST AT 45 MPH INTO SOUTHERN MARINETTE AND
EASTERN OCONTO COUNTIES. THIS FROM GILLET TO 5 MILES WEST OF WAUSAUKEE
OR FROM 30 TO 60 MILES NORTHWEST AND NORTH OF GREEN BAY.

WIND GUSTS TO 50 MPH...HAIL AND PERIODS OF HEAVY RAIN WILL ACCOMPANY
THESE STORMS AS THEY MOVE THROUGH THESE COUNTIES BY 430 AM. SEEK INDOOR
SHELTER AND STAY AWAY FROM WINDOWS AS THESE STORMS APPROACH.

A TORNADO WATCH REMAINSO IN EFFECT FOR A LARGE PART OF NORTHEAST WISCONSIN
UNTIL 5AM CDT. STAY TUNED TO YOUR NOAA WEATHER RADIO FOR FURTHER STATEMENTS
MECIKALSKI

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 2:13 AM CDTSevere Thunderstorm WarningGRBLanglade62 min
May 29, 4:13 AM CDTSevere Thunderstorm WarningGRBDoor, Kewaunee62 min
May 29, 6:34 PM CDTSevere Thunderstorm WarningGRBJuneau56 min
May 29, 6:58 PM CDTSevere Thunderstorm WarningGRBFlorence, Forest, Marinette47 min

Nearby

Tornado Warnings in Wisconsin, 1991Every tornado warning in 1991Tornadoes in 1991

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.