Alert archive / Wisconsin / Tornado Warnings in 1993

Tornado Warning 10, NWS Milwaukee, WI

July 10, 1993Jefferson County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jul 10, 1993, 7:06 PM CDT for Jefferson County, Wisconsin. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1993, 7:06 PM CDT (00:06 UTC)
Expired
Jul 10, 1993, 7:45 PM CDT
In force
39 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Jefferson County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.1 hours before the alert went out and 171 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 1993-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 1993-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.19395878Sfc1 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
212 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1432 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 110007
TORMKE
WIC055-110045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
706 PM CDT SAT JUL 10 1993
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  745 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST WISCONSIN
 
   ...SOUTHERN JEFFERSON COUNTY
 
AT 7 PM A FUNNEL CLOUD WAS REPORTED JUST SOUTH OF FORT ATKINSON.
ALSO THE FUNNEL CLOUDS WERE REPORTED 30 MILES SOUTHEAST OF
MADISON NEAR EDGERTON.  THE MADISON RADAR ALSO INDICATED A POSSIBLE
TORNADO ON RADAR IN THE SAME AREA.  THIS STORM WAS MOVING
EAST NORTHEAST AT 40 MPH AND WILL BE AFFECTING THE
SOUTHERN PART OF JEFFERSON COUNTY THROUGH 745 PM.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKE&TS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
 
 
&

What forecasters said that day

The local office's own words before this tornado 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 10, 4:59 PM CDT, 2 hours 7 minutes before
WIZ019-020-102300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
500 PM CDT SAT JUL 10 1993

...THUNDERSTORMS DEVELOPING RAPIDLY ALONG WISCONSIN-ILLINOIS BORDER...

AT 5 PM...THUNDERSTORMS WERE DEVELOPING RAPIDLY ALONG THE WISCONSIN
/ILLINOIS BORDER OVER EXTREME SOUTHERN WALWORTH COUNTY.  THE STORMS WERE
JUST SOUTH OF THE TOWN OF WALWORTH OR ABOUT 25 MILES SOUTHEAST OF
JANESVILLE.  THESE STORMS WERE MOVING TO THE NORTHEAST AND WILL BE
ENTERING WALWORTH COUNTY SHORTLY.

OTHER STRONGER STORMS WERE ALSO DEVELOPING FURTHER SOUTH OVER MCHENRY
AND LAKE COUNTIES OF FAR NORTHEAST ILLINOIS.  THESE STORMS MAY MOVE INTO
RACINE AND KENOSHA COUNTIES BY 6 PM.  NO SEVERE WEATHER HAS BEEN
REPORTED ACROSS SOUTHEAST WISCONSIN AS OF 5 PM.

STRONG WINDS...HEAVY RAINS AND HAIL ARE POSSIBLE WITH ANY THUNDERSTORMS
WHICH AFFECT YOUR AREA THIS EVENING.  BE PREPARED TO SEEK SHELTER SHOULD
ONE OF THESE STORMS APPROACH YOUR LOCbATION.  A SEVERE THUNDERSTORM WATCH
REMAINS IN EFFECT FOR MUCH OF SOUTHEAST WISCONSIN UNTIL 10 PM.

KAVINSKY
Special weather statement, Jul 10, 5:00 PM CDT, 2 hours 6 minutes before
WIZ019-020-102300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
500 PM CDT SAT JUL 10 1993

...THUNDERSTORMS DEVELOPING RAPIDLY ALONG WISCONSIN-ILLINOIS BORDER...

AT 5 PM...THUNDERSTORMS WERE DEVELOPING RAPIDLY ALONG THE WISCONSIN
/ILLINOIS BORDER OVER EXTREME SOUTHERN WALWORTH COUNTY.  THE STORMS WERE
JUST SOUTH OF THE TOWN OF WALWORTH OR ABOUT 25 MILES SOUTHEAST OF
JANESVILLE.  THESE STORMS WERE MOVING TO THE NORTHEAST AND WILL BE
ENTERING WALWORTH COUNTY SHORTLY.

OTHER STRONGER STORMS WERE ALSO DEVELOPING FURTHER SOUTH OVER MCHENRY
AND LAKE COUNTIES OF FAR NORTHEAST ILLINOIS.  THESE STORMS MAY MOVE INTO
RACINE AND KENOSHA COUNTIES BY 6 PM.  NO SEVERE WEATHER HAS BEEN
REPORTED ACROSS SOUTHEAST WISCONSIN AS OF 5 PM.

STRONG WINDS...HEAVY RAINS AND HAIL ARE POSSIBLE WITH ANY THUNDERSTORMS
WHICH AFFECT YOUR AREA THIS EVENING.  BE PREPARED TO SEEK SHELTER SHOULD
ONE OF THESE STORMS APPROACH YOUR LOCATION.  A SEVERE THUNDERSTORM WATCH
REMAINS IN EFFECT FOR MUCH OF SOUTHEAST WISCONSIN UNTIL 10 PM.

KAVINSKY
Special weather statement, Jul 10, 5:23 PM CDT, 1 hour 43 minutes before
WIZ019-020-502-102330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
523 PM CDT SAT JUL 10 1993

...STRONG THUNDERSTORMS OVER WALWORTH AND KENOSHA COUNTIES...

AT 525 PM...STRONG THUNDERSTORMS WERE LOCATED OVER SOUTHERN WALWORTH
COUNTY NEAR THE TOWN OF FONTANA OR 25 MILES SOUTHEAST OF JANESVILLE AND
IN FAR WESTERN KENOSHA COUNTY NEAR POWERS LAKE OR ABOUT 25 MILES WEST OF
KENOSHA.  THE STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH.  NO SEVERE
WEATHER HAS BEEN REPORTED ACROSS SOUTHEAST WISCONSIN THIS AFTERNOON.

THESE STORMS WILL AFFECT THE TOWNS OF LAKE GENEVA...SILVER LAKE AND
LYONS IN THE NEXT HALF HOUR TO HOUR.  LARGE HAIL...DAMAGING WINDS AND
FREQUENT LIGHTNING CAN BE EXPECTED WITH THESE STORMS.

BOATERS ON LAKE MICHIGAN OFF THE RACINE AND KENOSHA COUNTY COASTLINES
SHOULD BE PREPARED TO SEEK SAFE HARBOR AS THESE STORMS MOVE OUT OVER
THE WATERS OF LAKE MICHIGAN THROUGH 7 PM.
KAVINSKY
Special weather statement, Jul 10, 5:25 PM CDT, 1 hour 41 minutes before
WIZ019-020-502-102330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
523 PM CDT SAT JUL 10 1993

...STRONG THUNDERSTORMS OVER WALWORTH AND KENOSHA COUNTIES...

AT 525 PM...STRONG THUNDERSTORMS WERE LOCATED OVER SOUTHERN WALWORTH
COUNTY NEAR THE TOWN OF FONTANA OR 25 MILES SOUTHEAST OF JANESVILLE AND
IN FAR WESTERN KENOSHA COUNTY NEAR POWERS LAKE OR ABOUT 25 MILES WEST OF
KENOSHA.  THE STORMS WERE MOVING TO THE NORTHEAST AT 25 MPH.  NO SEVERE
WEATHER HAS BEEN REPORTED ACROSS SOUTHEAST WISCONSIN THIS AFTERNOON.

THESE STORMS WILL AFFECT THE TOWNS OF LAKE GENEVA...SILVER LAKE AND
LYONS IN THE NEXT HALF HOUR TO HOUR.  LARGE HAIL...DAMAGING WINDS AND
FREQUENT LIGHTNING CAN BE EXPECTED WITH THESE STORMS.

BOATERS ON LAKE MICHIGAN OFF THE RACINE AND KENOSHA COUNTY COASTLINES
SHOULD BE PREPARED TO SEEK SAFE HARBOR AS THESE STORMS MOVE OUT OVER
THE WATERS OF LAKE MICHIGAN THROUGH 7 PM.
KAVINSKY
Special weather statement, Jul 10, 6:09 PM CDT, 57 minutes before
WIZ019-020-110015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
609 PM CDT SAT JUL 10 1993

...INTENSE THUNDERSTORMS DEVELOPING RAPIDLY OVER JEFFERSON COUNTY...

AT 6 PM...INTENSE THUNDERSTORMS HAD DEVELOPED RAPIDLY IN NORTHEAST
JEFFERSON COUNTY...BETWEEN IXONIA AND SULLIVAN.  THE STORMS WERE HEADING
TO THE EAST-NORTHEAST AT 40 MPH INTO NORTHWEST WAUKESHA COUNTY.

LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH THESE THUNDERSTORMS.
CITIES IN THE PATH OF THESE STORMS INCLUDE OCONOMOWOC AND HARTLAND.

ALSO...INTENSE THUNDERSTORMS WERE OVER WESTERN KENOSHA COUNTY MOVING TO
THE NORTHEAST INTO RACINE COUNTY.  PEA SIZE HAIL WAS REPORTED IN WILMOT
OR 20 MILES WEST OF KENOSHA AT 555 PM.  THESE STORMS WILL AFFECT RACINE
AND KENOSHA COUNTIES THROUGH 7 PM.

SEEK SHELTER QUICKLY SHOULD THESE STORMS APPROACH YOUR LOCATION.

KAVINSKY

&
Special weather statement, Jul 10, 6:10 PM CDT, 56 minutes before
WIZ019-020-110015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
609 PM CDT SAT JUL 10 1993

...INTENSE THUNDERSTORMS DEVELOPING RAPIDLY OVER JEFFERSON COUNTY...

AT 6 PM...INTENSE THUNDERSTORMS HAD DEVELOPED RAPIDLY IN NORTHEAST
JEFFERSON COUNTY...BETWEEN IXONIA AND SULLIVAN.  THE STORMS WERE HEADING
TO THE EAST-NORTHEAST AT 40 MPH INTO NORTHWEST WAUKESHA COUNTY.

LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH THESE THUNDERSTORMS.
CITIES IN THE PATH OF THESE STORMS INCLUDE OCONOMOWOC AND HARTLAND.

ALSO...INTENSE THUNDERSTORMS WERE OVER WESTERN KENOSHA COUNTY MOVING TO
THE NORTHEAST INTO RACINE COUNTY.  PEA SIZE HAIL WAS REPORTED IN WILMOT
OR 20 MILES WEST OF KENOSHA AT 555 PM.  THESE STORMS WILL AFFECT RACINE
AND KENOSHA COUNTIES THROUGH 7 PM.

SEEK SHELTER QUICKLY SHOULD THESE STORMS APPROACH YOUR LOCATION.

KAVINSKY

&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 7:25 PM CDTSevere Thunderstorm WarningMKXWalworth65 min
Jul 10, 7:38 PM CDTSevere Thunderstorm WarningMKXWaukesha52 min
Jul 10, 7:38 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine67 min
Jul 10, 7:38 PM CDTSevere Thunderstorm WarningMKXMilwaukee67 min

Nearby

Tornado Warnings in Wisconsin, 1993Every tornado warning in 1993Tornadoes 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.