Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS Milwaukee, WI

May 29, 1991Wood County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 29, 1991, 6:41 PM CDT for Wood County, Wisconsin. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 29, 1991, 6:41 PM CDT (23:41 UTC)
Expired
May 29, 1991, 7:15 PM CDT
In force
34 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Wood County, WI

What was reported inside it

TimeReportWhereRemark
May 29, 6:45 PM CDTThunderstorm Wind 0Wood, WI
May 29, 7:00 PM CDTThunderstorm Wind 0Wood, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.7 hours before the alert went out and 154 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 1991-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 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 1991-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
73 J/kg
Mixed-layer CIN
-602 J/kg
Mixed-layer LCL
1427 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 292342
SVRMKE
WIC141-300015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
641 PM CDT WED MAY 29 1991
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL WISCONSIN
 
   ...WOOD COUNTY
 
AT 640 PM CDT SEVERE THUNDERSTORMS WERE LOCATED IN SOUTHERN WOOD COUNTY
NEAR NEKOOSA AND PITTSVILLE...ABOUT 10 MILES SOUTHWEST OF WISCONSIN
RAPIDS. THE STORMS WERE MOVING NORTHEAST 35 MPH. OTHER CITIES IN THE
PATH OF THIS STORM IS WISCONSIN RAPIDS AND PORT EDWARDS.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  IF YOU ARE OUTSIDE...MOVE TO
A REINFORCED SHELTER.  STAY AWAY FROM WINDOWS UNTIL THE STORM
HAS PASSED.
HAASE

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, May 29, 4:11 PM CDT, 2 hours 30 minutes before
WIZ006-007-302300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
410 PM CDT WED MAY 29 1991

...STRONG THUNDERSTORM IN NORTHWEST WISCONSIN...

AT 400 PM CDT WEATHER SERVICE RADAR SHOWED A COUPLE OF STRONG
THUNDERSTORMS MOVING INTO WESTERN JACKSON COUNTY OF NORTHWEST WISCONSIN.
THESE STORMS WILL BE MOVING INTO WESTERN CLARK COUNTY BY 430 PM.
THE STORMS ARE MOVING VERY RAPIDLY TO THE NORTHEAST AT ABOUT 30 MPH.

TOWNS IN THE PATH OF THIS STORM ARE HUMBIRD...WILLARD AND NEILSVILLE
MOUNDS OF CLARK COUNTY.  PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT
FOR STRONG GUSTY WINDS...HEAVY RAIN AND THE POSSIBILITY OF HAIL.

A TORNADO WATCH IS IN EFFECT FOR THIS AREA UNTIL 1000 PM CDT THIS
EVENING.  REMAIN ALERT FOR HAZARDOUS WEATHER CONDITIONS DEVELOPING VERY
QUICKLY.
DAVIS
Special weather statement, May 29, 4:27 PM CDT, 2 hours 14 minutes before
WIZ004-292230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
425 PM CDT WED MAY 29 1991

...EXPLOSIVE THUNDERSTORM DEVELOPMENT IN CENTRAL WISCONSIN...

AT 420 PM...RADAR SHOWED A STRONG THUNDERSTORMS IN CENTRAL TAYLOR
COUNTY NEAR PERKINSTOWN...OR 55 MILES NORTHWEST OF WAUSAU.  THE
STORMS WERE MOVING NORTHEAST AT 30 MPH.

STORMS WILL BE IN THE VICINITY OF PERKINSTOWN...MURAT AND CHELSEA
THROUGH 530 PM.

GUSTY WINDS...SOME HAIL...DANGEROUS LIGHTNING AND HEAVY RAIN WILL
BE POSSIBLE.

PERSONS IN TAYLOR COUNTY SHOULD BE ALERT FOR CHANGING CONDITIONS
THE REST OF THE AFTERNOON AND THIS EVENING.
^
STUREY
Special weather statement, May 29, 4:51 PM CDT, 1 hour 50 minutes before
WIZ004-292300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
450 PM CDT WED MAY 29 1991

...EXPLOSIVE THUNDERSTORM DEVELOPMENT IN NORTH/CENTRAL WISCONSIN...

AT 445 PM...RADAR SHOWED STRONG THUNDERSTORMS IN NORTHWEST LINCOLN
COUNTY...ABOUT 20 MILES WEST/SOUTHWEST OF TOMAHAWK. THIS STORM WAS
MOVING NORTHEAST AT 30 MPH.

THE STORMS WILL PASS AROUND TOMAHAWK...BRADLEY AND HEAFFORD JCT
THROUGH 6 PM.

GUSTY WINDS...SOME H<AIL...DANGEROUS LIGHTNING AND HEAVY RAIN WILL
BE POSSIBLE.

PERSONS IN LINCOLDN COUNTY SHOULD BE ALERT FOR CHANGING CONDITIONS
THE REST OF THE AFTERNOON AND THIS EVENING.
^
STUREY
Special weather statement, May 29, 5:40 PM CDT, 1 hour 1 minute before
WIZ011-300030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MADISON WI
535 PM CDT WED MAY 29 1991

...STRONG THUNDERSTORMS DEVELOPING IN CENTRAL WISCONSIN...

AT 530 PM CDT RADAR INDICATED STRONG THUNDERSTORMS WITH VERY HEAVY RAIN
DEVELOPING IN CENTRAL WISCONSIN FROM 5 MILES NORTHWEST OF WAUTOMA OR 70
MILES NORTH OF MADISON TO 15 MILES SOUTH OF MAUSTON OR 50 MILES NORTHWEST
OF MADISON.  THESE THUNDERSTORMS WERE MOVING TO THE NORTH AT 25 MPH.

RESIDENTS OF JUNEAU...ADAMS..AND WAUSHARA COUNTIES SHOULD BE PREPARED
FOR BRIEF HEAVY DOWNPOURS...STRONG GUSTY WINDS...AND POSSIBLY SOME
SMALL HAIL.

A TORNADO WATCH FOR CENTRAL WISCONSIN CONTINUES UNTIL 10 PM THIS EVENING.

PIERCE
Special weather statement, May 29, 6:19 PM CDT, 22 minutes before
WIZ007-300015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
620 PM CDT WED MAY 29 1991

AT 615 PM...A CLUSTER OF STRONG THUNDERSTORMS EXTENDED FROM AROUND
PITTSVILLE IN WOOD COUNTY...OR 15 MILES WEST OF WISCONSIN RAPIDS...
SOUTH TO AROUND BABCOCK...OR 15 MILES SOUTHWEST OF THE RAPIDS.

MORE STORMS HAD ALSO DEVELOPED RAPIDLY IN THE BANCROFT AREA OF
PORTAGE COUNTY...OR 15 MILES SOUTH OF STEVENS POINT.

RADAR HAS SHOWED INTENSIFICATION IN THESE AREAS THE PAST 10 MINUTES.
THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MPH.

THUNDERSTORMS WILL CONTINUE IN PARTS OF WOOD AND PORTAGE COUNTIES
THROUGH 715 PM.

GUSTY WINDS...SOME HAIL...DANGEROUS LIGHTNING AND VERY HEAVY RAIN
WILL BE POSSIBLE.
^
PERSONS IN WOOD AND PORTAGE COUNTIES SHOULD REMAIN EXTRA ALERT AS THE
STORMS MOVE THROUGH.

STUREY
Special weather statement, May 29, 6:22 PM CDT, 19 minutes before
WIZ011-014-015-018-300015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MADISON WI
620 PM CDT WED MAY 29 1991

...TORNADO WATCH FOR JUNEAU...ADAMS...WAUSHARA...MARQUETTE...GREEN LAKE
...SAUK AND COLUMBIA COUNTIES UNTIL 1000 PM CDT...

...SEVERE THUNDERSTORM WATCH FOR RICHLAND...IOWA AND DANE COUNTIES UNTIL
900 PM CDT...

AT 615 PM CDT RADAR DETECTED STRONG THUNDERSTORM WITH HEAVY RAINS 65
MILES NORTHWEST OF MADISON IN JUNEAU COUNTY NEAR CAMP DOUGLAS AND NEW
LISBON.  THIS STORM WAS MOVING NORTHEAST AT 20 MPH AND WILL MOVE INTO
NORTHERN ADAMS COUNTY TOWARD THE CITIES OF FRIENDSHIP/ADAMS AND NEW
ROME.  PERIODS OF HEAVY RAINS AND SMALL HAIL CAN BE EXPECTED WITH THIS
STORM.

NOAH

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 12:44 AM CDTSevere Thunderstorm WarningMKXClark, Taylor61 min
May 29, 1:23 AM CDTSevere Thunderstorm WarningMKXMarathon12 min
May 29, 1:23 AM CDTSevere Thunderstorm WarningMKXLincoln67 min
May 29, 3:43 PM CDTSevere Thunderstorm WarningMKXMarathon47 min
May 29, 4:59 PM CDTSevere Thunderstorm WarningMKXLincoln31 min
May 29, 6:22 PM CDTSevere Thunderstorm WarningMKXPortage38 min
May 29, 6:59 PM CDTSevere Thunderstorm WarningMKXPortage46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1991Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.