Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 35, NWS Milwaukee, WI

September 6, 1990Wood County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Sep 6, 1990, 6:58 PM CDT for Wood County, Wisconsin. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Sep 6, 1990, 6:58 PM CDT (23:58 UTC)
Expired
Sep 6, 1990, 7:36 PM CDT
In force
38 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Wood County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 12.0 hours before the alert went out and 285 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 1990-09-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1194 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 1990-09-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
1194 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
1010 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
103 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 070000
SVRMKE
WIC141-070045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
658 PM CDT THU SEP 6 1990
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL WISCONSIN
          ...WOOD
 
AT 655 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN
SOUTHWEST WOOD COUNTY. THIS STORM IS CAPABLE OF PRODUCING
LARGE HAIL AND DAMAGING WINDS.
 
THE STORM WAS MOVING SOUTHEAST AT 35 MPH AND WILL AFFECT THE
CITY OF BABCOCK.
 
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.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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 6, 3:54 PM CDT, 3 hours 4 minutes before
WIZ005-007>009-011>020-070000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
350 PM CDT THU SEP 6 1990

...TORNADO WATCH IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN WISCONSIN
UNTIL 9PM...

AT 350 PM NO SEVERE THUNDERSTORMS HAVE YET DEVELOPED.  HOWEVER THE
ATMOSPHERE REMAINS PRIME FOR RAPID INTENSIFICATION OF ANY THUNDERSTORMS
THAT DO DEVELOP.

PERSONS IN SOUTHERN AND CENTRAL WISCONSIN SHOULD REMAIN ALERT FOR THE
DEVELOiPMENT OF SEVERE THUNDERSTORMS AND EVEN TORNADOES LATE THIS
AFTERNOON AND EVENING.  A TORNADO WATCH REMIANS IN EFFECT UNTIL 9PM
THIS EVENING FOR MUCH OF SOUTHERN AND CENTRAL WISCONSIN.

HENTZ
Special weather statement, Sep 6, 4:07 PM CDT, 2 hours 51 minutes before
WIZ013-017-070000-

SPECIAL WEATHER AND MARINE STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
405 PM CDT THU SEP 6 1990

...THUNDERSTORM DEVELOPING RAPIDLY NORTH OF SHEBOYGAN...

AT 400 PM WEATHER RADAR INDICATED A RAPIDLY DEVELOPING THUNDERSTORM
OVER MANITOWOC COUNTY THAT WAS MOVING SOUTHEAST AT 35 MPH.
THIS STORM SHOULD AFFECT FAR NORTHERN SHEBOYGAN COUNTY NEAR OR
NORTH OF SHEBOYGAN BEFORE MOVING OUT OVER LAKE MICHIGAN.

AREA BOATERS NEAR SHEBOYGAN SHOULD SEEK SAFE HARBOR.

PERSONS IN SOUTHERN AND CENTRAL WISCONSIN SHOULD REMAIN ALERT FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS AND EVEN TORNADOES LATE THIS
AFTERNOON AND EVENING.  A TORNADO WATCH REMIANS IN EFFECT UNTIL 9PM
THI~S EVENING FOR MUCH OF SOUTHERN AND CENTRAL WISCONSIN.

HENTZ
Special weather statement, Sep 6, 4:49 PM CDT, 2 hours 9 minutes before
WIZ012-062300-

SPECIAL WEATHER AND MARINE STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
448 PM CDT THU SEP 6 1990

...THUNDERSTORM DEVELOPING RAPIDLY OVER NORTHERN FOND DU LAC COUNTY...

AT 445 PM WEATHER RADAR INDICATED A RAPIDLY DEVELOPING THUNDERSTORM
OVER NORTHERN FOND DU LAC COUNTY NEAR VAN DYNE...ABOUT 5 MILES NORTH
OF THE CITY OF FOND DU LAC. THE STORM WAS MOVING EAST AROUND 30 MPH
AND WILL SOUTHERN PORTIONS OF LAKE WINNEBAGO AND THE CITIES OF PIPE
AND ST. PETER AROUND 5PM.

THIS RAPIDLY DEVELOPING STORM MAY PRODUCE GUSTY WINDS...SMALL HAIL AND
DANGEROUS LIGHTNING.

AREA BOATERS ON SOUTHERN LAKE WINNEBAGO SHOULD SEEK SAFE HARBOR.

ZAJDEL
Special weather statement, Sep 6, 5:19 PM CDT, 1 hour 39 minutes before
WIZ010-011-014-015-018-019-062400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MADISON WI
515PM CDT THU SEP 6 1990

...HEAVY THUNDERSTORM IN CENTRAL WISCONSIN...
...TORNADO WATCH IN EFFECT UNTIL 9PM CDT...

AT 5PM CDT RADAR INDICATED A THUNDERSTORM WITH HEAVY RAINS LOCATED IN
EXTREME NORTHEASTERN JUNEAU AND NORTHWESTERN ADAMS COUNTIES...OR ABOUT
20 MILES NORTH OF MAUSTON.  THIS STORMS WAS INTENSIFYING AND MOVING
TOWARDS THE EAST..SOUTHEAST AT 25 MPH.

THIS STORM COULD PRODUCE VERY HEAVY RAIN..HAIL..AND AROUND 30 MPH WINDS.
SHOULD THIS STORM APPROCH YOU SEEK SHELTER.
STIMACH
Special weather statement, Sep 6, 6:27 PM CDT, 31 minutes before
WIZ012-070000-

SPECIAL WEATHER AND MARINE STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
625 PM CDT THU SEP 6 1990

...THUNDERSTORMS AGAIN DEVELOPING RAPIDLY OVER FOND DU LAC COUNTY...

AT 623 PM WEATHER RADAR INDICATED A CLUSTER OF RAPIDLY DEVELOPING
THUNDERSTORMS OVER FOND DU LAC COUNTY. THE STRONGEST STORM IS NEAR
THE CITY OF FOND DU LAC. ALL STORMS WERE MOVING EAST AROUND 30 MPH
AND AFFECT MANY PORTIONS OF FOND DU LAC COUNTY THROUGH X7 PM.

THE RAPIDLY DEVELOPING STORMS MAY PRODUCE GUSTY WINDS...SMALL HAIL AND
DANGEROUS LIGHTNING.

ZAJDEL
Special weather statement, Sep 6, 6:42 PM CDT, 16 minutes before
WIZ007-070130-

SPECIAL WEATHER AND MARINE STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
640 PM CDT THU SEP 6 1990

...THUNDERSTORM OVER SOUTHERN CLARK COUNTY...

AT 640 PM WEATHER RADAR INDICATED AN INTENSE THUNDERSTORM
OVER SOUTHERN CLARK COUNTY.  THE STORM WAS MOVING SOUTHEAST AT 35 MPH
AND WILL MOVE INTO WOOD COUNTY BY 7PM.  THIS STORM HAS INTENSIFIED
RAPIDLY DURING THE PAST 15 MINUTES.  SOME TOWNS WHICH WILL BE
AFFECTED BY THE STORM INCLUDE SHERWOOD MARSHFIELD PITTSVILLE AND
BABCOCK.

EXPECT HAIL GUSTY WINDS AND HEAVY RAINS WITH THE STORM.

PERSONS IN SOUTHERN AND CENTRAL WISCONSIN SHOULD REMAIN ALERT FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS AND EVEN TORNADOES THIS EVENING.
A TORNADO WATCH REMIANS IN EFFECT UNTIL 9PM THIS EVENING FOR MUCH OF
SOUTHERN AND CENTRAL WISCONSIN.
HENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 4:57 PM CDTSevere Thunderstorm WarningMKXFond du Lac, Sheboygan63 min
Sep 6, 5:12 PM CDTTornado WarningMKXFond du Lac33 min
Sep 6, 5:56 PM CDTSevere Thunderstorm WarningMKXSheboygan34 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1990Every severe thunderstorm warning in 1990

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.