Alert archive / Wisconsin / Tornado Warnings in 1994

Tornado Warning 7, NWS Green Bay, WI

July 4, 1994Dane County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jul 4, 1994, 2:58 PM CDT for Dane County, Wisconsin. It was in force for 17 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1994, 2:58 PM CDT (19:58 UTC)
Expired
Jul 4, 1994, 3:15 PM CDT
In force
17 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Dane County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.0 hours before the alert went out and 189 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 1994-07-04Temperature 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 1994-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
577 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
284 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 KMSN 042001
TORMSN
WIC025-042015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MADISON WI
258 PM CDT MON JUL 4 1994
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  315 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...DANE COUNTY
 
AT 258 PM CDT RADAR INDICATED THE TORNADIC THUNDERSTORM WAS LOCATED EAST
OF MC FARLAND...7 MILES SE OF MADISON. THE STORM CONTINUED TO MOVE TO
THE NORTHEAST AT 45 MPH.
 
PEOPLE LIVING IN THE TOWNS OF DEERFIELD AND COTTAGE GROVE SHOULD TAKE
COVER NOW!
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITTURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 2:16 PM CDTSevere Thunderstorm WarningGRBDane, Green44 min
Jul 4, 2:26 PM CDTTornado WarningGRBDane, Green34 min
Jul 4, 3:17 PM CDTSevere Thunderstorm WarningGRBColumbia, Sauk43 min
Jul 4, 3:33 PM CDTTornado WarningGRBColumbia42 min
Jul 4, 4:23 PM CDTTornado WarningGRBGreen Lake52 min
Jul 4, 5:22 PM CDTTornado WarningGRBWaushara38 min
Jul 4, 5:39 PM CDTTornado WarningGRBWaupaca36 min
Jul 4, 5:47 PM CDTTornado WarningGRBDane43 min

Nearby

Tornado Warnings in Wisconsin, 1994Every tornado warning in 1994Tornadoes 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.