Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 20, NWS Milwaukee, WI

June 17, 1993Waukesha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 17, 1993, 7:15 PM CDT for Waukesha County, Wisconsin. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Jun 17, 1993, 7:15 PM CDT (00:15 UTC)
Expired: Jun 17, 1993, 8:15 PM CDT
In force: 60 min
Issued by: NWS Milwaukee, WI
Area: Whole counties

County Waukesha County, WI

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 0.3 hours before the alert went out and 399 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 20 J/kg
Mixed-layer CIN: -173 J/kg
Mixed-layer LCL: 1669 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

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 17, 6:36 PM CDT, 39 minutes before

WIZ016-019-180045-

SPECIAL WEATHER STATEMENT ...CORRECTION...
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
636 PM CDT THU JUN 17 1993

...STRONG THUNDERSTORMS APPROACHING WALWORTH COUNTY FROM NORTHERN
ILLINOIS...

AT 640 PM...A STRONG THUNDERSTORM WAS OVER FAR SOUTHEAST ROCK COUNTY
NEAR THE TOWN OF CLINTON WHICH IS 13 MILES SOUTHEAST OF JANESVILLE.

THIS STORM IS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR AND WILL MOVE
THROUGH PARTS OF WESTERN WALWORTH COUNTY THROUGH 7.15 PM.

THIS THUNDERSTORM IS PART OF A LARGE CLUSTER OF STORMS MOVING INTO
SOUTHERN WISCONSIN FROM ILLINOIS.  STRONG WINDS AND FUNNEL CLOUDS
HAVE BEEN REPORTED WITH THIS CLUSTER OF STORMS IN NORTHERN ILLINOIS.

SEEK SHELTER SHOULD THIS STORM APPROACH YOUR LOCATION. A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST WISCONSIN UNTIL
8 PM.

KAVINSKY

Special weather statement, Jun 17, 6:37 PM CDT, 38 minutes before

WIZ016-019-180045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
636 PM CDT THU JUN 17 1993

...STRONG THUNDERSTORMS APPROACHING WALWORTH COUNTY FROM NORTHERN
ILLINOIS...

AT 640 PM...A STRONG THUNDERSTORM WAS OVER FAR SOUTHEAST ROCK COUNTY
NEAR THE TOWN OF CLINTON WHICH IS 13 MILES SOUTHEAST OF JANESVILLE.

THIS STORM IS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR AND WILL MOVE
THROUGH PARTS OF WESTERN WALWORTH COUNTY THROUGH 7.15 PM.

THIS THUNDERSTORM IS PART OF A LARGE CLUSTER OF STORMS MOVING INTO
SOUTHERN WISCONSIN FROM ILLINOIS.  STRONG WINDS AND FUNNEL CLOUDS
HAVE BEEN REPORTED WITH THIS CLUSTER OF STORMS.

SEEK SHELTER SHOULD THIS STORM APPROACHr YOUR LOCATION. A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST WISCONSIN UNTIL
8 PM.

KAVINSKY

Special weather statement, Jun 17, 6:41 PM CDT, 34 minutes before

WIZ016-019-180045-

SPECIAL WEATHER STATEMENT ...CORRECTION...
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
636 PM CDT THU JUN 17 1993

...STRONG THUNDERSTORMS APPROACHING WALWORTH COUNTY FROM NORTHERN
ILLINOIS...

AT 640 PM...A STRONG THUNDERSTORM WAS OVER FAR SOUTHEAST ROCK COUNTY
NEAR THE TOWN OF CLINTON WHICH IS 13 MILES SOUTHEAST OF JANESVILLE.

THIS STORM IS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR AND WILL MOVE
THROUGH PARTS OF WESTERN WALWORTH COUNTY THROUGH 7.15 PM.

THIS THUNDERSTORM IS PART OF A LARGE CLUSTER OF STORMS MOVING INTO
SOUTHERN WISCONSIN FROM ILLINOIS.  STRONG WINDS AND FUNNEL CLOUDS
HAVE BEEN REPORTED WITH THIS CLUSTER OF STORMS IN NORTHERN ILLINOIS.

SEEvK SHELTER SHOULD THIS STORM APPROACH YOUR LOCATION. A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST WISCONSIN UNTIL
8 PM.

KAVINSKY

Local storm report, Jun 17, 6:45 PM CDT, 30 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MADISON WI  ...UPDATED...
645 PM CDT THU JUN 17 1993

WW#  448

TIME        EVENT

355 PM CDT  SPOTTER IN GREEN COUNTY REPORTED GOLFBALL SIZED HAIL...
            TORRENTIAL RAINS...AND FREQUENT LIGHTNING 1/2 SOUTH OF
            BROWNTOWN...OR 45 MILES SOUTHWEST OF MADISON.

445 PM CDT  PARK RANGER IN ADAMS COUNTY REPORTED QUARTER SIZED HAIL ON
            HIGHWAY G JUST NORTH OF NECEDAH...JUNEAU COUNTY.

445 PM CDT  JUNEAU COUNTY SHERIFF REPORTED HIGH WINDS AT NEW LISBON.

459 PM CDT  ADAMS COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...HEAVY
            RAIN...AND FREQUENT LIGHTNING 7 MILES NORTH OF FRIENDSHIP.
.
459 PM CDT  GREEN COUNTY SHERIFF REPORTED 50 TO 60 MPH WINDS AT
            BROWNTOWN IN SOUTHWEST GREEN COUNTY.

521 PM CDT  ADAMS COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...HIGH
            WINDS...AND TORRENTIAL RAIN 7 MILES EAST OF NECEDAH.

532 PM CDT  WAUSHARA COUNTY EMERGENCY DIRECTOR REPORTED QUARTER SIZED
            HAIL AT COLOMA.  SOME FLOODING FROM HEAVY RAINS IS ALSO
            REPORTED IN SCATTERED AREAS OF WAUSHARA COUNTY.

541 PM CDT  JUNEAU COUNTY SHERIFF REPORTED TELEPHONE AND POWER LINES
            DOWN IN WONEWOC.  WINDOWS IN A SCHOOL AND HOUSES HAD BEEN
            BLOWN OUT.

605 PM CDT  MARQUETTE COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...
            TORRENTIAL RAINS...FREQUENT LIGHTNING...AND TREES DOWN AT
            OXFORD.

614 PM CDT  NWS GREEN BAY REPORTED A SPOTTER IN REDGRANITE IN WAUSHARA
            COUNTY REPORTED QUARTER SIZED HAIL.

639 PM CDT  COLUMBIA COUNTY SHERIFF REPORTED GOLFBALL SIZED HAIL AND
            TREES DOWN ON HIGHWAY AA NORTHWEST OF PORTAGE.

Local storm report, Jun 17, 6:45 PM CDT, 30 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MADISON WI  ...UPDATED...
645 PM CDT THU JUN 17 1993

WW#  448

TIME        EVENT

355 PM CDT  SPOTTER IN GREEN COUNTY REPORTED GOLFBALL SIZED HAIL...
            TORRENTIAL RAINS...AND FREQUENT LIGHTNING 1/2 SOUTH OF
            BROWNTOWN...OR 45 MILES SOUTHWEST OF MADISON.

445 PM CDT  PARK RANGER IN ADAMS COUNTY REPORTED QUARTER SIZED HAIL ON
            HIGHWAY G JUST NORTH OF NECEDAH...JUNEAU COUNTY.

445 PM CDT  JUNEAU COUNTY SHERIFF REPORTED HIGH WINDS AT NEW LISBON.

459 PM CDT  ADAMS COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...HEAVY
            RAIN...AND FREQUENT LIGHTNING 7 MILES NORTH OF FRIENDSHIP.
.
459 PM CDT  GREEN COUNTY SHERIFF REPORTED 50 TO 60 MPH WINDS AT
            BROWNTOWN IN SOUTHWEST GREEN COUNTY.

521 PM CDT  ADAMS COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...HIGH
            WINDS...AND TORRENTIAL RAIN 7 MILES EAST OF NECEDAH.

532 PM CDT  WAUSHARA COUNTY EMERGENCY DIRECTOR REPORTED QUARTER SIZED
            HAIL AT COLOMA.  SOME FLOODING FROM HEAVY RAINS IS ALSO
            REPORTED IN SCATTERED AREAS OF WAUSHARA COUNTY.

541 PM CDT  JUNEAU COUNTY SHERIFF REPORTED TELEPHONE AND POWER LINES
            DOWN IN WONEWOC.  WINDOWS IN A SCHOOL AND HOUSES HAD BEEN
            BLOWN OUT.

605 PM CDT  MARQUETTE COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...
            TORRENTIAL RAINS...FREQUENT LIGHTNING...AND TREES DOWN AT
            OXFORD.

614 PM CDT  NWS GREEN BAY REPORTED A SPOTTER IN REDGRANITE IN WAUSHARA
            COUNTY REPORTED QUARTER SIZED HAIL.

639 PM CDT  COLUMBIA COUNTY SHERIFF REPORTED GOLFBALL SIZED HAIL AND
            TREES DOWN ON HIGHWAY AA NORTHWEST OF PORTAGE.

Local storm report, Jun 17, 6:49 PM CDT, 26 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE MADISON WI  ...UPDATED...
645 PM CDT THU JUN 17 1993

WW#  448

TIME        EVENT

355 PM CDT  SPOTTER IN GREEN COUNTY REPORTED GOLFBALL SIZED HAIL...
            TORRENTIAL RAINS...AND FREQUENT LIGHTNING 1/2 SOUTH OF
            BROWNTOWN...OR 45 MILES SOUTHWEST OF MADISON.

445 PM CDT  PARK RANGER IN ADAMS COUNTY REPORTED QUARTER SIZED HAIL ON
            HIGHWAY G JUST NORTH OF NECEDAH...JUNEAU COUNTY.

445 PM CDT  JUNEAU COUNTY SHERIFF REPORTED HIGH WINDS AT NEW LISBON.

459 PM CDT  ADAMS COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...HEAVY
            RAIN...AND FREQUENT LIGHTNING 7 MILES NORTH OF FRIENDSHIP.
.
459 PM CDT  GREEN COUNTY SHERIFF REPORTED 50 TO 60 MPH WINDS AT
            BROWNTOWN IN SOUTHWEST GREEN COUNTY.

521 PM CDT  ADAMS COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...HIGH
            WINDS...AND TORRENTIAL RAIN 7 MILES EAST OF NECEDAH.

532 PM CDT  WAUSHARA COUNTY EMERGENCY DIRECTOR REPORTED QUARTER SIZED
            HAIL AT COLOMA.  SOME FLOODING FROM HEAVY RAINS IS ALSO
            REPORTED IN SCATTERED AREAS OF WAUSHARA COUNTY.

541 PM CDT  JUNEAU COUNTY SHERIFF REPORTED TELEPHONE AND POWER LINES
            DOWN IN WONEWOC.  WINDOWS IN A SCHOOL AND HOUSES HAD BEEN
            BLOWN OUT.

605 PM CDT  MARQUETTE COUNTY SHERIFF REPORTED QUARTER SIZED HAIL...
            TORRENTIAL RAINS...FREQUENT LIGHTNING...AND TREES DOWN AT
            OXFORD.

614 PM CDT  NWS GREEN BAY REPORTED A SPOTTER IN REDGRANITE IN WAUSHARA
            COUNTY REPORTED QUARTER SIZED HAIL.

639 PM CDT  COLUMBIA COUNTY SHERIFF REPORTED GOLFBALL SIZED HAIL AND
            TREES DOWN ON HIGHWAY AA NORTHWEST OF PORTAGE.
.
PIERCE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:12 PM CDT	Tornado Warning	MKX	Jefferson	63 min
Jun 17, 7:43 PM CDT	Severe Thunderstorm Warning	MKX	Sheboygan	62 min
Jun 17, 8:28 PM CDT	Flash Flood Warning	MKX	Walworth	2 hr
Jun 17, 8:43 PM CDT	Severe Thunderstorm Warning	MKX	Kenosha, Racine, Walworth	47 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1993 Every 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.