Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 17, NWS Milwaukee, WI

June 12, 1990Marathon County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 12, 1990, 7:24 PM CDT for Marathon County, Wisconsin. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1990, 7:24 PM CDT (00:24 UTC)
Expired
Jun 12, 1990, 8:15 PM CDT
In force
51 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Marathon 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.4 hours before the alert went out and 139 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 1990-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1537 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 00:00Z on 1990-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
1537 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1340 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 130024
SVRMKE
WIC073-130115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
724 PM CDT TUE JUN 12 1990
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL WISCONSIN
          ...MARATHON
 
AT 740 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES
SOUTHWEST OF WAUSAU. THIS THUNDERSTORM WAS MOVING NORTHEAST AT
40 MPH.
 
LARGE HAIL DAMAGING WINDS AND HEAVY RAINS ARE LIKELY WITH THIS STORM.
THE STORMS WILL REACH WAUSAU BY 745 PM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUN
DERSTORMS 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, Jun 12, 4:17 PM CDT, 3 hours 7 minutes before
WIZ004-WIZ007-122300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
415 PM CDT TUE JUN 12 1990

...LINE OF SHOWERS AND THUNDERSTORMS IN NORTH CENTRAL WISCONSIN...

AT 415 PM A LINE OF SHOWERS AND A FEW THUNDERSTORMS EXTENDED FROM NEAR
RHINELANDER...THEN SOUTHWEST TO WAUSAU TO LA CROSSE.

THE LINE OF SHOWERS AND STORMS WAS MOVING EAST AT 30 MPH.

ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED A TORNADO WATCH IS IN
EFFECT FOR MOST OF NORTHWEST...NORTH CENTRAL AND WESTERN WISCONSIN
UNTIL 8PM. PERSONS SHOULD BE ON THE LOOKOUT FOR DEVELOPING SEVERE
WEATHER LATER THIS AFTERNOON AND EVENING.

HENTZ
Special weather statement, Jun 12, 5:14 PM CDT, 2 hours 10 minutes before
WIZ004-WIZ007-122200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
510 PM CDT TUE JUN 12 1990

...THUNDERSTORMS APPROACHING TAYLOR AND CLARK COUNTIES...

AT 505 PM AN AREA OF THUNDERSTORMS WAS LOCATED 30 MILES NORTH OF
LA CROSSE NEAR WHITEHALL IN TREMPEALEAU COUNTY.  THE STORMS WERE
MOVING EAST NORTHEAST AT 35 MPH AND WILL BE MOVING INTO NORTHWEST
CLARK AND WESTERN TAYLOR COUNTIES BY AROUND 520 PM.  THE STORMS
WILL BE MOVING INTO THE TOWNS OF THORP AND GILMAN.

REMEMBER A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHWEST...
NORTH CENTRAL AND WESTERN WISCONSIN UNTIL 8PM. PERSONS SHOULD BE
ON THE LOOKOUT FOR SEVERE WEATHER LATE THIS AFTERNOON AND EVENING.

HELMANR
Special weather statement, Jun 12, 5:49 PM CDT, 1 hour 35 minutes before
WIZ004-WIZ007-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
548 PM CDT TUE JUN 12 1990

...THUNDERSTORMS IN TAYLOR AND CLARK COUNTIES...

AT 545 PM RADAR INDICATED STRONG THUNDERSTORMS IN FAR NORTHWEST
CLARK COUNTY 35 MILES NORTHEAST OF EAU CLAIRE NEAR THORP.  THESE
STORMS COULD PRODUCE STRONG WINDS AND HAIL.  THE STORMS HAVE
INTENSIFIED RAPIDLY DURING THE LAST HOUR AND SHOULD AFFECT THE
TOWNS OF THORP OWEN AND GREENWOOD BEFORE MOVING INTO TAYLOR COUNTY.

THE STORMS WERE MOVING NORTHEAST AT 40 MPH.

A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHWEST...NORTH CENTRAL AND
WESTERN WISCONSIN UNTIL 8PM. PERSONS SHOULD BE ON THE LOOKOUT FOR SEVERE
WEATHER THROUGH THIS EVENING AND LISTEN TO LATER STATEMENTS AND POSSIBLE
WARNINGS ON THIS DEVELOPING WEATHER SITUATION.
HENTZ
Special weather statement, Jun 12, 6:40 PM CDT, 44 minutes before
WIZ004-WIZ007-130100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
640 PM CDT TUE JUN 12 1990

...THUNDERSTORMS IN NORTHCENTRAL WISCONSIN...

AT 635 PM RADAR INDICATED THUNDERSTORMS CONTINUING IN CLARK...TAYLOR
AND NORTHWEST MARATHON COUNTY.  THE STRONGEST STORMS WERE 45 MILES
SOUTHWEST OF WAUSAU JUST SOUTHEAST OF GREENWOOD IN CLARK COUNTY.

THE STORMS WERE MOVING NORTHEAST AT 40 MPH AND WILL MOVE INTO
WESTERN MARATHON COUNTY BETWEEN STRATFORD AND ABBOTSFORD.

A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHWEST...NORTH CENTRAL AND
WESTERN WISCONSIN UNTIL 8PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT TIL
11 PM FOR MUCH OF SOUTHWEST AND PARTS OF CENTRAL WISCONSIN. PERSONS
SHOULD BE ON THE LOOKOUT FOR SEVERE WEATHER THROUGH THIS EVENING AND
LISTEN TO LATER STATEMENTS AND POSSIBLE WARNINGS ON THIS DEVELOPING
WEATHER SITUATION.
HENTZ
Special weather statement, Jun 12, 7:04 PM CDT, 20 minutes before
WIZ004-WIZ007-130200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
700 PM CDT TUE JUN 12 1990

...INTENSE THUNDERSTORMS WEST OF WAUSAU...

AT 700 PM RADAR INDICATED A VERY STRONG THUNDERSTORM 30 MILES SOUTHWEST OF
WAUSAU NEAR STRATFORD.  THIS THUNDERSTORM WILL LIKELY PRODUCE GUSTY WINDS
HEAVY RAIN AND HAIL.  OTHER THUNDERSTORMS WERE CONTINUING IN CLARK...TAYLOR
AND LINCOLN COUNTIES.

THE STORMS WERE MOVING NORTHEAST AT 40 MPH AND STORMS WILL MOVE THROUGH
WESTERN MARATHON COUNTY TO NEAR WAUSAU BY 730 PM.

THE THREAT OF SEVERE WEATHER IN NORTH CENTRAL WISCONSIN IS INCREASING.
PEOPLE SHOULD BE ON THE LOOKOUT FOR DEVELOPING SEVERE WEATHER.

A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHWEST...NORTH CENTRAL AND
WESTERN WISCONSIN UNTIL 8PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT
FOR SOUTHWEST AND PARTS OF CENTRAL WISCONSIN TIL 11PM.

HENTZ
Special weather statement, Jun 12, 7:16 PM CDT, 8 minutes before
WIZ004-WIZ007-130200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
715 PM CDT TUE JUN 12 1990

...MORE THUNDERSTORMS POSSIBLE FOR CLARK AND TAYLOR COUNTIES...

AT 710 PM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS WEST OF
EAU CLAIRE.  THESE THUNDERSTORMS WERE PRODUCING DAMAGING WINDS AND
BLINDING HEAVY R AINS.  IF THIS LINE HOLDS TOGETHER IT WILL MOVE
INTO CLARK AND TAYLOR COUNTIES AFTER 8PM.

THE THREAT OF SEVERE WEATHER IN NORTH CENTRAL WISCONSIN CONTINUES TO
INCREASE.  BE ON THE LOOKOUT FOR DEVELOPING SEVERE WEATHER AND BE
PREPARED TO MOVE TO SAFE SHELTER.

A TORNADO WATCH IS IN EFFECT FOR MOST OF NORTHWEST...NORTH CENTRAL AND
WESTERN WISCONSIN UNTIL 8PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT
FOR SOUTHWEST AND PARTS OF CENTRAL WISCONSIN TIL 11PM.

HENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 7:42 PM CDTTornado WarningMKXMarathon33 min
Jun 12, 8:02 PM CDTSevere Thunderstorm WarningMKXClark, Taylor58 min
Jun 12, 8:11 PM CDTTornado WarningMKXMarathon19 min
Jun 12, 8:20 PM CDTSevere Thunderstorm WarningMKXLincoln40 min
Jun 12, 8:51 PM CDTTornado WarningMKXClark, Marathon54 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.