Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 40, NWS Milwaukee, WI

August 3, 1994Jefferson County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 3, 1994, 5:42 PM CDT for Jefferson County, Wisconsin. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Aug 3, 1994, 5:42 PM CDT (22:42 UTC)
Expired
Aug 3, 1994, 6:30 PM CDT
In force
48 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Jefferson County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.7 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 12:00Z on 1994-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1994-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
993 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
36 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 032306 RRA
SVRMKE
WIC055-032330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED ...CORRECTED FOR ORIGINAL
SEVERE THUNDERSTORM WARNING                 ISSUANCE TIME
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
542 PM CDT WED AUG 3 1994

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST WISCONSIN

   ...SOUTHERN JEFFERSON COUNTY

AT 542 PM CDT DOPPLER WEATHER RADAR INDICATED THAT A SEVERE THUNDERSTORM
WAS OVER HEBRON OR 22 MILES NORTHEAST OF JANESVILLE. THIS STORM WAS
MOVING NORTHEAST AT 30 MPH AND WILL REACH THE AREA BETWEEN PALMYRA AND
SULLIVAN BY 600 PM.

OTHER STRONG STORMS WERE OVER THE SOUTHWEST PART OF JEFFERSON COUNTY
MOVING NORTHEAST AT 30 MPH.


SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE OR
NO ADVANCE WARNING.  IF YOU ARE OUTSIDE...MOVE TO A REINFORCED
SHELTER.  IF INDOORS...STAY AWAY FROM WIND^OWS UNTIL THE STORM
HAS PASSED.
KAPELA

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 3, 2:51 PM CDT, 2 hours 51 minutes before
WIZ043>047-055>057-062-063-068-069-032140-

SPECIAL WEATHER STATEMENT...CORRECTION...
NATIONAL WEATHER SERVICE MADISON WI
240 PM CDT WED AUG 3 1994

...SCATTERED THUNDERSTORMS ACROSS SOUTH CENTRAL WISCONSIN...

AT 232 PM CDT WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS ACROSS
EASTERN JUNEAU..DANE...GREEN AND ROCK COUNTIES OF SOUTH CENTRAL
WISCONSIN.  SOME OF THESE STORMS ARE PRODUCING PERIODS OF HEAVY
RAINS...WITH STRONG GUSTY WINDS AND SMALL HAIL ALSO POSSIBLE.
HOWEVER...NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS. THE
HEAVIEST STORM WERE LOCATED JUST NORTH OF ALBANY IN GREEN COUNTY...OR
36 MILES SOUTH OF MADISON AND WILL BE MOVING INTO ROCK COUNTY BY 240 PM
CDT. SOME TOWNS IN THE PATH OF THIS STORM ARE ORFORDVILLE...HANOVER AND
JANESVILLE.

MOVEMENT OF THESE STORMS WAS EAST AT 30 MPH.

SOUTH CENTRAL WISCONSIN CAN EXPECT SCATTERED THUNDERSTORMS FOR THE REST
OF THE AFTERNOON AND INTO THIS EVENING.

AREA RESIDENTS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND IF
HEAVY RAINS OR MINOR FLOODING ARE EXPERIENCED WHILE DRIVING...USE
CAUTION AS LOW LYING AREAS AND UNDERPASSES MAY BE COVERED WITH WATER.

MARIEN
NNNN
Special weather statement, Aug 3, 3:15 PM CDT, 2 hours 27 minutes before
WIZ051-058-059-064-065-070-052-060-066-071-072-502-032115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
315 PM CDT WED AUG 3 1994

...THUNDERSTORMS CONTINUE TO INTENSIFY OVER SOUTHEAST WISCONSIN...

AT 315 PM...WEATHER SERVICE RADAR SHOWED NUMEROUS STRONG THUNDERSTORMS
OVER THE AREA. A SEVERE THUNDERSTORM WAS LOCATED OVER NORTHERN ROCK
COUNTY...25 MILES SOUTHEAST OF MADISON.  ANOTHER STRONG STORM HAD
RAPIDLY DEVEOPED OVER OVER SOUTHEAST JEFFERSON COUNTY...NEAR THE TOWN OF
PALMYRA.

OTHER STORMS WERE SCATTERED ACROSS WAUKESHA...WASHINGTON...AND WALWORTH
COUNTIES.

THE RAIN WAS MOVING NORTHEAST AT 30 MILES AN HOUR.  THE MILWAUKEE METRO
AREA WILL SEE THE STRONG THUNDERSTORMS BY 330 PM.

WIND GUSTS IN EXCESS OF 50 MILES AN HOUR...DEADLY GROUND STRIKES OF
LIGHTNING...AND HEAVY RAIN ARE POSSIBLE WITH THE THUNDERSTORMS THIS
AFTERNOON.  IF THREATENING WEATHER APPROACHES...MOVE TO A STURDY SHELTER
IMMEDIATELY.

J LAST
Special weather statement, Aug 3, 3:19 PM CDT, 2 hours 23 minutes before
WIZ051-058-059-064-065-070-052-060-066-071-072-502-032115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
315 PM CDT WED AUG 3 1994

...THUNDERSTORMS CONTINUE TO INTENSIFY OVER SOUTHEAST WISCONSIN...

AT 315 PM...WEATHER SERVICE RADAR SHOWED NUMEROUS STRONG THUNDERSTORMS
OVER THE AREA. A SEVERE THUNDERSTORM WAS LOCATED OVER NORTHERN ROCK
COUNTY...25 MILES SOUTHEAST OF MADISON.  ANOTHER STRONG STORM HAD
RAPIDLY DEVEOPED OVER OVER SOUTHEAST JEFFERSON COUNTY...NEAR THE TOWN OF
PALMYRA.

OTHER STORMS WERE SCATTERED ACROSS WAUKESHA...WASHINGTON...AND WALWORTH
COUNTIES.

THE RAIN WAS MOVING NORTHEAST AT 30 MILES AN HOUR.  THE MILWAUKEE METRO
AREA WILL SEE THE STRONG THUNDERSTORMS BY 330 PM.

WIND GUSTS IN EXCESS OF 50 MILES AN HOUR...DEADLY GROUND STRIKES OF
LIGHTNING...AND HEAVY RAIN ARE POSSIBLE WITH THE THUNDERSTORMS THIS
AFTERNOON.  IF THREATENING WEATHER APPROACHES...MOVE TO A STURDY SHELTER
IMMEDIATELY.

J LAST
Local storm report, Aug 3, 4:30 PM CDT, 1 hour 12 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MADISON WI
430 PM CDT WED AUG 3 1994

WW# 683

TIME        EVENT

404 PM CDT  SPOTTER REPORTED MARBLE SIZED HAIL AND 50 MPH WINDS AT
            BRIGGSVILLE IN MARQUETTE COUNTY.

PIERCE
Special weather statement, Aug 3, 5:00 PM CDT, 42 minutes before
WIZ029-030-035-036-032330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
500 PM CDT WED AUG 3 1994

...THUNDERSTORMS OVER NORTH CENTRAL WISCONSIN...

AT 500 PM WEATHER SERVICE RADAR SHOWED THUNDERSTORMS DEVELOPING
ACROSS CENTRAL WISCONSIN 40 MILES SOUTHWEST OF WAUSAU OVER WOOD
COUNTY FROM WISCONSIN RAPIDS AND EXTENDED WEST ACROSS SOUTHERN
WOOD COUNTY.

THE STORMS WERE MOVING NORTHEAST AT 30 MPH AND WILL AFFECT
THE WISCONSIN RAPIDS AREA BEFORE MOVING INTO PORTAGE COUNTY
NEAR AND SOUTH OF STEVENS POINT.

THE STORMS PRODUCED HEAVY RAIN AND PEA SIZED HAIL IN WISCONSIN RAPIDS
AT 455 PM.

HENTZ
Special weather statement, Aug 3, 5:07 PM CDT, 35 minutes before
WIZ029-030-035-036-032330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
500 PM CDT WED AUG 3 1994

...THUNDERSTORMS OVER NORTH CENTRAL WISCONSIN...

AT 500 PM WEATHER SERVICE RADAR SHOWED THUNDERSTORMS DEVELOPING
ACROSS CENTRAL WISCONSIN 40 MILES SOUTHWEST OF WAUSAU OVER WOOD
COUNTY FROM WISCONSIN RAPIDS AND EXTENDED WEST ACROSS SOUTHERN
WOOD COUNTY.

THE STORMS WERE MOVING NORTHEAST AT 30 MPH AND WILL AFFECT
THE WISCONSIN RAPIDS AREA BEFORE MOVING INTO PORTAGE COUNTY
NEAR AND SOUTH OF STEVENS POINT.

THE STORMS PRODUCED HEAVY RAIN AND PEA SIZED HAIL IN WISCONSIN RAPIDS
AT 455 PM.

HENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 3:36 PM CDTSevere Thunderstorm WarningMKXRacine54 min
Aug 3, 3:36 PM CDTSevere Thunderstorm WarningMKXKenosha, Walworth46 min
Aug 3, 4:10 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Racine35 min
Aug 3, 4:25 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Waukesha45 min
Aug 3, 4:40 PM CDTTornado WarningMKXMilwaukee25 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.