Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 14, NWS Milwaukee, WI

June 8, 1993Fond du Lac County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 8, 1993, 9:39 PM CDT for Fond du Lac County, Wisconsin. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 8, 1993, 9:39 PM CDT (02:39 UTC)
Expired
Jun 8, 1993, 10:45 PM CDT
In force
66 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Fond du Lac County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.7 hours before the alert went out and 86 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 1993-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4221 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1993-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939587897Sfc1 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
4221 J/kg
Mixed-layer CIN
-161 J/kg
Mixed-layer LCL
779 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-3.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 8, 7:43 PM CDT, 1 hour 56 minutes before
WIZ018-017-020-090145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
743 PM CDT TUE JUN 8 1993

...STRONG THUNDERSTORMS MOVING INTO SOUTHEAST WISCONSIN...

AT 740 PM WEATHER RADAR SHOWED A DEVELOPING LINE OF THUNDERSTORMS IN
CENTRAL WALWORTH COUNTY. THE LINE EXTENDED FROM EAST TROY TO ELKHORN TO
WALWORTH. THE LINE IS MOVING EAST NORTHEAST AT 45 MPH...AND WILL MOVE
INTO WESTERN RACINE...KENOSHA...AND SOUTHERN WAUKESHA COUNTIES.

THESE STORMS MAY PRODUCE SMALL HAIL...STRONG WINDS...AND BRIEF HEAVY
RAIN.  PEOPLE IN THE AFFECTED AREA SHOULD STAY ALERT TO DEVELOPING
WEATHER CONDITIONS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM.

SIEBERS
Special weather statement, Jun 8, 7:43 PM CDT, 1 hour 56 minutes before
WIZ018-017-020-090145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
743 PM CDT TUE JUN 8 1993

...STRONG THUNDERSTORMS MOVING INTO SOUTHEAST WISCONSIN...

AT 740 PM WEATHER RADAR SHOWED A DEVELOPING LINE OF THUNDERSTORMS IN
CENTRAL WALWORTH COUNTY. THE LINE EXTENDED FROM EAST TROY TO ELKHORN TO
WALWORTH. THE LINE IS MOVING EAST NORTHEAST AT 45 MPH...AND WILL MOVE
INTO WESTERN RACINE...KENOSHA...AND SOUTHERN WAUKESHA COUNTIES.

THESE STORMS MAY PRODUCE SMALL HAIL...STRONG WINDS...AND BRIEF HEAVY
RAIN.  PEOPLE IN THE AFFECTED AREA SHOULD STAY ALERT TO DEVELOPING
WEATHER CONDITIONS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 11 PM.

SIEBERS
Special weather statement, Jun 8, 9:08 PM CDT, 31 minutes before
WIZ007-090235-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
905 PM CDT TUE JUN 8 1993

...STRONG THUNDERSTORMS MOVING MARATHON AND WOOD COUNTIES...

AT 900 PM WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS ENTERING
WESTERN WOOD AND MARATHON COUNTIES FROM EASTERN CLARK COUNTY. THE LINE
IS MOVING TO THE EAST NORTHEAST AT 45 MPH.

THESE STORMS MAY PRODUCE SMALL HAIL...STRONG WINDS...AND BRIEF HEAVY
RAIN AS THEY HEAD INTO WOOD AND MARATHON COUNTIES.  PEOPLE IN THE
AFFECTED AREAS SHOULD STAY ALERT TO DEVELOPING WEATHER CONDITIONS.

AT 904 PM CDT PEA SIZE HAIL WAS REPORTED IN THORP IN CLARK COUNTY...
44 MILES EAST NORTHEAST OF EAU CLAIRE.

ZAJDEL
Special weather statement, Jun 8, 9:15 PM CDT, 24 minutes before
WIZ017-019-020-090315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
915 PM CDT TUE JUN 8 1993

...VERY STRONG THUNDERSTORMS MOVING INTO SOUTHERN
WALWORTH...RACINE...AND KENOSHA COUNTIES...

AT 915 PM...WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS
RACING EAST NORTHEAST INTO SOUTHEAST WISCONSIN FROM NORTHERN ILLINOIS.
THE STORMS WERE MOVING AT AROUND 45 MPH.

THE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...STRONG WINDS...AND VERY
HEAVY RAINS.  PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR
THREATENING WEATHER AND BE PREPARED TO SEEK SHELTER

KOCHIS

44 MILES EAST NORTHEAST OF EAU CLAIRE.

ZAJDEL
Special weather statement, Jun 8, 9:16 PM CDT, 23 minutes before
WIZ017-019-020-090315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
915 PM CDT TUE JUN 8 1993

...VERY STRONG THUNDERSTORMS MOVING INTO SOUTHERN
WALWORTH...RACINE...AND KENOSHA COUNTIES...

AT 915 PM...WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS
RACING EAST NORTHEAST INTO SOUTHEAST WISCONSIN FROM NORTHERN ILLINOIS.
THE STORMS WERE MOVING AT AROUND 45 MPH.

THE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...STRONG WINDS...AND VERY
HEAVY RAINS.  PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR
THREATENING WEATHER AND BE PREPARED TO SEEK SHELTER

KOCHIS
Special weather statement, Jun 8, 9:17 PM CDT, 22 minutes before
WIZ017-019-020-090315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
915 PM CDT TUE JUN 8 1993

...VERY STRONG THUNDERSTORMS MOVING INTO SOUTHERN
WALWORTH...RACINE...AND KENOSHA COUNTIES...

AT 915 PM...WEATHER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS
RACING EAST NORTHEAST INTO SOUTHEAST WISCONSIN FROM NORTHERN ILLINOIS.
THE STORMS WERE MOVING AT AROUND 45 MPH.

THE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...STRONG WINDS...AND VERY
HEAVY RAINS.  PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR
THREATENING WEATHER AND BE PREPARED TO SEEK SHELTER

KOCHIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:06 PM CDTSevere Thunderstorm WarningMKXKenosha39 min
Jun 8, 8:13 PM CDTTornado WarningMKXRacine47 min
Jun 8, 8:41 PM CDTTornado WarningMKXJefferson49 min
Jun 8, 9:44 PM CDTTornado WarningMKXDodge46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1993Every severe thunderstorm warning in 1993

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.