Alert archive / Wisconsin / Tornado Warnings in 1994

Tornado Warning 21, NWS Green Bay, WI

July 7, 1994Columbia County, Sauk County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jul 7, 1994, 2:51 PM CDT for Columbia County, Sauk County, Wisconsin. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1994, 2:51 PM CDT (19:51 UTC)
Expired
Jul 7, 1994, 3:45 PM CDT
In force
54 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Columbia County, WI, Sauk County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.9 hours before the alert went out and 169 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 1994-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 537 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 1994-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
537 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
739 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
43 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 071951
TORMSN
WIC021-111-072045-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MADISON WI
251 PM CDT THU JUL 7 1994
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...COLUMBIA COUNTY...SAUK COUNTY
 
AT 245 PM CDT A SPOTTER IN SAUK COUNTY REPORTED A FUNNEL CLOUD 2 MILES
NORTH OF PRAIRIE DU SAC OR 25 MILES NORTHWEST OF MADISON. THE FUNNEL
CLOUD WAS MOVING TO THE NORTHEAST AT 20 MILES AN HOUR.
 
AT 245 PM CDT WEATHER SERVICE PERSONNEL SPOTTED A WALL CLOUD NORTH OF
THE AIRPORT MOVING NORTHEAST AT 20 MILES AN HOUR.
 
SOME CITIES IN THE PATH OF THESE STORMS ARE
IN SAUK COUNTY...SAUK CITY...BARABOO...MERRIMAC
IN COLUMBIA COUNTY...ARLINGTON...POYNETTE...PORTAGE
 
 
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 NRO 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.
 
PIERCE
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 7:36 PM CDTTornado WarningGRBAdams24 min
Jul 6, 7:49 PM CDTTornado WarningGRBGreen Lake11 min
Jul 6, 7:57 PM CDTTornado WarningGRBWinnebago33 min
Jul 6, 8:28 PM CDTSevere Thunderstorm WarningGRBWaushara62 min
Jul 7, 1:27 PM CDTSevere Thunderstorm WarningGRBDane, Green, Rock63 min
Jul 7, 2:26 PM CDTTornado WarningGRBDane, Iowa64 min
Jul 7, 3:54 PM CDTTornado WarningGRBGreen Lake, Marquette66 min
Jul 7, 4:26 PM CDTTornado WarningGRBWaushara64 min
Jul 7, 4:51 PM CDTTornado WarningGRBAdams, Juneau69 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.