Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 49, NWS Milwaukee, WI

August 19, 1994Portage County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 19, 1994, 4:59 PM CDT for Portage County, Wisconsin. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1994, 4:59 PM CDT (21:59 UTC)
Expired
Aug 19, 1994, 6:00 PM CDT
In force
61 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Portage County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.0 hours before the alert went out and 111 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 1994-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 1994-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.1939Sfc1 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
15 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
27 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 192201 RRA
SVRMKE
WIC097-192300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
459 PM CDT FRI AUG 19 1994
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL WISCONSIN
 
   ...PORTAGE COUNTY
 
AT 500 PM WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS ACROSS
CENTRAL PORTAGE COUNTY FROM PERU 17 MILES EAST NORTHEAST OF STEVENS
POINT TO PLOVER 5 MILES SOUTHEAST OF STEVENS POINT.
 
THE STORMS WERE MOVING EAST SOUTHEAST AT 35 MILES AN HOUR...AND WILL BE
MOVING TOWARDS THE TOWNS OF AMHERST JUNCTION AND BANCROFT BY 515 PM.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FxLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
TZ/AL

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, Aug 19, 4:02 PM CDT, 57 minutes before
WIZ051-052-058>060-064>066-070>072-502-192205-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
401 PM CDT FRI AUG 19 1994

...TORNADO WATCH CONTINUES FOR SOUTHEAST WISCONSIN UNTIL 800 PM...

A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST WISCONSN UNTIL
800 PM CDT.  NATIONAL WEATHER SERVIC DOPPLER RADAR WAS SHOWING STRONG
THUNDERSTORMS MOVING INTO SOUTHEAST WISCONSIN AT 355 PM.

THE STRONGEST STORM WAS LOCATED NORTHEAST OF THE TOWN OF JEFFERSON IN
CENTRAL JEFFERSON COUNTY.  THIS STORM WAS MOVING TO THE EAST AT 30 MPH
AND WILL AFFECT THE TOWNS OF SULLIVAN...DOUSMAN AND WALES BY 430 PM.

STRONG THUNDERSTORMS ALSO CONTINUED OVER SOUTH CENTRAL WISCONSIN IN
ROCK AND GREEN COUNTIES.  THESE STORMS WILL AFFECT THE WESTERN
PORTION OF WALWORTH COUNTY BY 415 PM.

VERY STRONG WINDS...HAIL...HEAVY RAIN AND FREQUENT LIGHTNING HAVE BEEN
REPORTED WITH THESE STORMS AS THEY MOVE EAST.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN TO WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

LASHLEY
Local storm report, Aug 19, 4:05 PM CDT, 54 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MADISON WI
400 PM CDT FRI AUG 19 1994

WW# 750

TIME        EVENT

324 PM CDT  NUMEROUS REPORTS OF 1/2 TO 3/4 INCH HAIL IN WESTERN AND
            NORTHWEST PARTS OF GREEN COUNTY BY EMERGENCY DIRECTOR.

339 PM CDT  1 INCH TO LARGER THAN GOLFBALL SIZED HAIL ON WEST SIDE OF
            MONROE WITH ZERO VISIBILITY IN TORRENTIAL DOWNPOURS FROM
            GREEN COUNTY SHERIFF.

345-350 PM  IOWA COUNTY SHERIFF REPORTED TREES DOWN AT MIFFLIN

            IOWA COUNTY SHERIFF REPORTED POWER LINES DOWN AT MINERAL
            POINT.
.
            IOWA COUNTY SHERIFF REPORTED LIGHTNING STARTED FIRES
            AT WALDWICK AND HOLLANDALE.

            IOWVA COUNTY REPORTED FLOODING WEST OF MINERAL POINT.

PIERCE/STIMACH
Local storm report, Aug 19, 4:45 PM CDT, 14 minutes before
STORM REPORT              ...UPDATED...
NATIONAL WEATHER SERVICE MADISON WI
445 PM CDT FRI AUG 19 1994

WW# 750

TIME        EVENT

324 PM CDT  NUMEROUS REPORTS OF 1/2 TO 3/4 INCH HAIL IN WESTERN AND
            NORTHWEST PARTS OF GREEN COUNTY BY EMERGENCY DIRECTOR.

339 PM CDT  1 INCH TO LARGER THAN GOLFBALL SIZED HAIL ON WEST SIDE OF
            MONROE WITH ZERO VISIBILITY IN TORRENTIAL DOWNPOURS FROM
            GREEN COUNTY SHERIFF.

345-350 PM  IOWA COUNTY SHERIFF REPORTED TREES DOWN AT MIFFLIN

            IOWA COUNTY SHERIFF REPORTED POWER LINES DOWN AT MINERAL
            POINT.
.
            IOWA COUNTY SHERIFF REPORTED LIGHTNING STARTED FIRES
            AT WALDWICK AND HOLLANDALE.

            IOWA COUNTY REPORTED FLOODING WEST OF MINERAL POINT.

410 PM CDT  GREEN COUNTY SHERIFF REPORTED 58 MPH WINDS AT MONTICELLO.

430 PM CDT  GREEN COUNTY SHERIFF REPORTED TREES AND POWER LINES DOWN
            WITH FLOODING IN THE CITY OF MONROE.  SHERIFF DEPARTMENT
            ADVISING NO TRAVEL INTO MONROE.

PIERCE/STIMACH
Local storm report, Aug 19, 4:47 PM CDT, 12 minutes before
STORM REPORT              ...UPDATED...
NATIONAL WEATHER SERVICE MADISON WI
445 PM CDT FRI AUG 19 1994

WW# 750

TIME        EVENT

324 PM CDT  NUMEROUS REPORTS OF 1/2 TO 3/4 INCH HAIL IN WESTERN AND
            NORTHWEST PARTS OF GREEN COUNTY BY EMERGENCY DIRECTOR.

339 PM CDT  1 INCH TO LARGER THAN GOLFBALL SIZED HAIL ON WEST SIDE OF
            MONROE WITH ZERO VISIBILITY IN TORRENTIAL DOWNPOURS FROM
            GREEN COUNTY SHERIFF.

345-350 PM  IOWA COUNTY SHERIFF REPORTED TREES DOWN AT MIFFLIN

            IOWA COUNTY SHERIFF REPORTED POWER LINES DOWN AT MINERAL
            POINT.
.
            IOWA COUNTY SHERIFF REPORTED LIGHTNING STARTED FIRES
            AT WALDWICK AND HOLLANDALE.

            IOWA COUNTY REPORTED FLOODING WEST OF MINERAL POINT.

410 PM CDT  GREEN COUNTY SHERIFF REPORTED 58 MPH WINDS AT MONTICELLO.

430 PM CDT  GREEN COUNTY SHERIFF REPORTED TREES AND POWER LINES DOWN
            WITH FLOODING IN THE CITY OF MONROE.  SHERIFF DEPARTMENT
            ADVISING NO TRAVEL INTO MONROE.

PIERCE/STIMACH
Special weather statement, Aug 19, 4:52 PM CDT, 7 minutes before
WIZ051-052-058>060-064>066-070>072-502-192255-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
452 PM CDT FRI AUG 19 1994

...STRONG THUNDERSTORMS WILL PUSH ACROSS SOUTHEAST WISCONSIN THROUGH
700 PM CDT...

A LARGE CLUSTER OF THUNDERSTORMS BETWEEN MADISON AND ROCKFORD
ILLINOIS WILL MOVE EAST AT 30 MPH THROUGH SOUTHEAST WISCONSIN.
TORRENTIAL DOWNPOURS OF RAIN... WIND GUSTS TO AROUND 50 MPH... AND SMALL
HAIL. BY 700 PM THE LEADING EDGE OF THIS CLUSTER OF STORMS WILL HAVE
REACHED THE WATERS OF LAKE MICHIGAN. BOATERS SHOULD BE PREPARED.

A 54 MPH WIND GUST WAS RECORDED AT FT. ATKINSON BY A RADIO STATION AT
445 PM.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM FOR THE SOUTHERN THIRD
OF WISCONSIN.
KAPELA
Special weather statement, Aug 19, 4:54 PM CDT, 5 minutes before
WIZ051-052-058>060-064>066-070>072-502-192255-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
452 PM CDT FRI AUG 19 1994

...STRONG THUNDERSTORMS WILL PUSH ACROSS SOUTHEAST WISCONSIN THROUGH
700 PM CDT...

A LARGE CLUSTER OF THUNDERSTORMS BETWEEN MADISON AND ROCKFORD
ILLINOIS WILL MOVE EAST AT 30 MPH THROUGH SOUTHEAST WISCONSIN.
TORRENTIAL DOWNPOURS OF RAIN... WIND GUSTS TO AROUND 50 MPH... AND SMALL
HAIL. BY 700 PM THE LEADING EDGE OF THIS CLUSTER OF STORMS WILL HAVE
REACHED THE WATERS OF LAKE MICHIGAN. BOATERS SHOULD BE PREPARED.

A 54 MPH WIND GUST WAS RECORDED AT FT. ATKINSON BY A RADIO STATION AT
445 PM.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMM`EDIATELY IF A
STORM APPROACHES.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM FOR THE SOUTHERN THIRD
OF WISCONSIN.
KAPELA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 12:52 PM CDTSevere Thunderstorm WarningMKXJefferson22 min
Aug 19, 12:52 PM CDTSevere Thunderstorm WarningMKXWaukesha53 min
Aug 19, 1:57 PM CDTSevere Thunderstorm WarningMKXLincoln, Taylor48 min
Aug 19, 2:26 PM CDTSevere Thunderstorm WarningMKXMarathon49 min
Aug 19, 2:54 PM CDTSevere Thunderstorm WarningMKXLafayette36 min
Aug 19, 3:08 PM CDTSevere Thunderstorm WarningMKXMarathon52 min
Aug 19, 3:56 PM CDTSevere Thunderstorm WarningMKXPortage, Wood64 min
Aug 19, 6:14 PM CDTSevere Thunderstorm WarningMKXKenosha46 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm warning in 1994

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.