Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 22, NWS Milwaukee, WI

July 6, 1994Jefferson County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 6, 1994, 4:58 PM CDT for Jefferson County, Wisconsin. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jul 6, 1994, 4:58 PM CDT (21:58 UTC)
Expired
Jul 6, 1994, 5:30 PM CDT
In force
32 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, 10.0 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 1994-07-06Temperature 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 1994-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.193958Sfc1 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
1662 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
2 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 062159
SVRMKE
WIC055-062230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
458 PM CDT WED JUL 6 1994
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST WISCONSIN
 
   ...JEFFERSON COUNTY
 
AT 456 PM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTH
OF FORT ATKINSON...20 MILES NORTHEAST OF JANESVILLE. THE STORM IS MOVING
TOWARD THE NORTHEAST AT 25 MPH AND WILL HEAD TOWARD THE TOWNS OF FORT
ATKINSON...JEFFERSON...AND HELENVILLE.
 
SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE ORn
NO ADVANCE WARNING.  IF YOU ARE OUTSIDE...MOVE TO A REINFORCED
SHELTER.  IF INDOORS...STAY AWAY FROM WINDOWS UNTIL THE STORM
HAS PASSED.
 
ZAJDEL

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, Jul 6, 4:36 PM CDT, 22 minutes before
WIZ056-057-062-063-067>069-062240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MADISON WI
436 PM CDT WED JUL 6 1994

...STRONG THUNDERSTORMS ACROSS SOUTH CENTRAL WISCONSIN...

AT 433 PM CDT RADAR DETECTED STRONG THUNDERSTORMS DEVELOPING SOUTH OF A
LINE FROM LONE ROCK OR 40 MILES WEST OF MADISON TO 20 MILES NORTHEAST
OF MADISON NEAR COLUMBUS.  THE THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 30 MILES AN HOUR.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

PIERCE
Special weather statement, Jul 6, 4:36 PM CDT, 22 minutes before
WIZ056-057-062-063-067>069-062240-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MADISON WI
436 PM CDT WED JUL 6 1994

...STRONG THUNDERSTORMS ACROSS SOUTH CENTRAL WISCONSIN...

AT 433 PM CDT RADAR DETECTED STRONG THUNDERSTORMS DEVELOPING SOUTH OF A
LINE FROM LONE ROCK OR 40 MILES WEST OF MADISON TO 20 MILES NORTHEAST
OF MADISON NEAR COLUMBUS.  THE THUNDERSTORMS WERE MOVING TO THE
NORTHEAST AT 30 MILES AN HOUR.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

PIERCE
Special weather statement, Jul 6, 4:52 PM CDT, 6 minutes before
WIZ058-064-062300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
451 PM CDT WED JUL 6 1994

...STRONG THUNDERSTORMS OVER JEFFERSON COUNTY...

AT 450 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
STRONG THUNDERSTORMS EXTENDING FROM NEAR WATERTOWN TO JEFFERSON TO FORT
ATKINSON OR ABOUT 20 TO 25 MILES NORTHEAST OF JANESVILLE.
THESE STORMS ARE MOVING TOWARDS THE NORTHEAST AT 20 TO 25 MPH. THE
STRONGEST STORM WAS CURRENTLY LOCATED NEAR FORT ATKINSON.

WIND GUSTS IN EXCESS OF 40 MILES AN HOUR...SMALL HAIL...DEADLY GROUND
STRIKES OF LIGHTNING...AND TORRENTIAL RAINS CAN BE EXPECTED AS THESE
STORMS MOVE INTO SOUTHERN DODGE COUNTY NEAR LEBANON COUNT\Y AND EASTERN
JEFFERSON COUNTY NEAR IXONIA...FARMINGTON...AND HELENVILLE.

ZAJDEL/HOGGATT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 5:52 PM CDTSevere Thunderstorm WarningMKXWaukesha63 min
Jul 6, 5:59 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Racine61 min
Jul 6, 6:35 PM CDTSevere Thunderstorm WarningMKXDodge40 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.