Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 25, NWS Milwaukee, WI

July 8, 1990Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 8, 1990, 6:02 PM CDT for Sheboygan County, Wisconsin. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1990, 6:02 PM CDT (23:02 UTC)
Expired
Jul 8, 1990, 7:00 PM CDT
In force
58 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Sheboygan 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 12:00Z, 11.0 hours before the alert went out and 84 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 1990-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 499 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 1990-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 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
499 J/kg
Mixed-layer CIN
-192 J/kg
Mixed-layer LCL
896 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
210 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 KMKE 082305
SVRMKE
WIC117-090000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
602 PM CDT SUN JUL 8 1990
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL WISCONSIN
          ...SHEBOYGAN
 
AND ADJOINING COASTAL WATERS OF LAKE MICHIGAN.
 
 
AT 600 PM...A CLUSTER OF SEVERE THUNDERSTORMS WERE LOCATED ACROSS
SOUTHERN SHEBOYGAN COUNTY. THE STORMS WERE LOCATED FROM NEAR
BATIVIA...OR 20 MILES SOUTHWEST OF THE CITY OF SHEBOYGAN...
NORTHEAST TO THE CITY OF SHEBOYGAN.
 
THE STORMS WERE MOVING EAST AT ABOUT 30 MPH.
 
AT 555 PM...A SPOTTER REPORTED GOLF BALL SIZE HAIL AND ESTIMATED
60 MPH WINDS 2 MILES WEST OF THE CITY OF SHEBOYGAN.
 
CITIES IN THE PATH OF THE STORM INCLUDE SHEBOYGAN.
BOATERS ON LAKE MICHIGAN SEEK SAFE HARBOR.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, Jul 8, 5:00 PM CDT, 1 hour 2 minutes before
WIZ012-013-016-017-082300

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
500 PM CDT SUN JUL 8 1990

...RAPIDLY DEVELOPING THUNDERSTORM IN SOUTHERN FOND DU LAC AND NORTHERN
   DODGE COUNTIES.

AT 450 PM WEATHER RADAR SHOWS A RAPIDLY DEVELOPING STORM ALONG THE
FOND DU LAC AND DODGE COUNTY BORDER...JUST EAST OF THE CITY OF WAUPUN
OR 15 MILES SOUTH OF THE CITY OF FOND DU LAC.  THIS STORM IS MOVING
EAST TO SOUTHEAST AT 35 MPH AND WILL BE HEADING FOR THE TOWNS OF
LOMIRA AND CAMPBELLSPORT...AND THEN WILL BE OVER THE CITY OF WEST BEND
IN WASHINGTON COUNTY BY 515 PM CDT.

THERE HAVE BEEN NO REPORTS WITH THIS STORM...BUT PERSONS IN NORTHERN
DODGE...SOUTHERN FOND DU LAC AND WASHINGTON COUNTY CAN EXPECT BRIEF
GUSTY WINDS...HEAVY RAINS AND FREQUENT LIGHTNING WITH THIS STORM.
LISTEN TO POSSIBLE LATER STATEMENTS.
HELMAN
Special weather statement, Jul 8, 5:35 PM CDT, 27 minutes before
WIZ012-013-017-082300

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
530 PM CDT SUN JUL 8 1990

...STRONG THUNDERSTORM MOVING INTO SHEYBOYGAN COUNTY...

AT 520 PM WEATHER RADAR SHOWS A STRONG THUNDERSTORM IN SOUTHEASTERN
FOND DU LAC COUNTY NEAR THE CITY OF CAMBELLSPORT...15 MILES SOUTHEAST
OF FOND DU LAC.  THIS STORM IS NOW MOVING EAST AT 30 MPH AND WILL PASS
JUST NORTH OF WASHINGTON COUNTY AND MOVE INTO SHEBOYGAN COUNTY.  THE
STORM WILL PASS OVER THE CITY OF CASCADE AND RANDOM LAKE BY 540 PM
AND THEN NEAR THE LAKE MICHIGAN SHORELINE BY 55O PM CDT.

AT 530 PM THE FOND DU LAC COUNTY SHERIFFS DEPARTMENT REPORTED HEAVY
RAINS AND FREQUENT LIGHTNING WITH STORM.  PERSONS IN SHEBOYGAN CAN
EXPECT THE SAME ALONG WITH BRIEF GUSTY WINDS.  BOATERS ALONG LAKE
MICHIGAN FOR SHEBOYGAN AND NORTHERN OZAUKEE COUNTIES SHOULD SEEK SAFE
HARBOR AT ONCE.
HELMAN

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.