Alert archive / Wisconsin / Tornado Warnings in 1994

Tornado Warning 33, NWS Green Bay, WI

September 9, 1994Dane County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Sep 9, 1994, 12:20 PM CDT for Dane County, Wisconsin. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Sep 9, 1994, 12:20 PM CDT (17:20 UTC)
Expired
Sep 9, 1994, 1:00 PM CDT
In force
40 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, 5.3 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 1994-09-09Temperature 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 1994-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
1569 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
108 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 191727
TORMSN
WIC025-091800-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MADISON WI
1220 PM CDT FRI SEP 9 1994
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...DANE COUNTY
 
AT 1217 PM CDT RADAR INDICATED A POSSIBLE TORNADO WEST OF MADISON MOVING
EAST AT 25 MPH. WALL CLOUDS WERE REPORTED BY SPOTTERS.
 
SOME CITIES AND TOWNS IN THE PATH OF THIS STORM ARE MADISON..SUN
PRAIRIE.. MC FARLAND..COTTAGE GROVE AND DEERFIELD.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
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.
 
MC MAHON

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 9:51 AM CDTSevere Thunderstorm WarningGRBRichland54 min
Sep 9, 10:49 AM CDTSevere Thunderstorm WarningGRBSauk56 min
Sep 9, 11:04 AM CDTSevere Thunderstorm WarningGRBJuneau56 min
Sep 9, 11:57 AM CDTSevere Thunderstorm WarningGRBDane48 min
Sep 9, 1:12 PM CDTSevere Thunderstorm WarningGRBRock48 min
Sep 9, 6:34 PM CDTSevere Thunderstorm WarningGRBJuneau26 min
Sep 9, 6:59 PM CDTSevere Thunderstorm WarningGRBJuneau46 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.