Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 91, NWS Green Bay, WI

September 9, 1994Juneau County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Sep 9, 1994, 7:50 PM CDT for Juneau County, Wisconsin. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Sep 9, 1994, 7:50 PM CDT (00:50 UTC)
Expired
Sep 9, 1994, 8:45 PM CDT
In force
55 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County Juneau County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.8 hours before the alert went out and 172 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 00:00Z on 1994-09-10Temperature 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 00:00Z on 1994-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
1267 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMSN 100052 RRA
SVRMSN
WIC057-100145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
750 PM CDT FRI SEP 9 1994
 
THE NATIONAL WEATHER SERVICE IN MADISON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL WISCONSIN
 
   ...JUNEAU COUNTY
 
ANOTHER SEVERE THUNDERSTORM WAS ENTERING JUNEAU COUNTY AT 745 PM
NEAR CUTLER OR 30 MILES EAST OF LA CROSSE. EXTENSIVE HAIL IS COVERING
THE INTERSTATE AND DANGEROUSLY SLIPPERY CONDITIONS ARE BEING REPORTED
IN THIS AREA AND NEAR MAUSTON.  THE STORMS WERE MOVING SOUTHEAST AT
5 MILES AN HOUR.  URBAN STREET FLOODING IS ALSO LIKELY IN JUNEAU COUNTY.
TAKE SHELTER FROM THESE STORMS.  DRIVING IS NOT RECOMMENED.
 
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE TTHUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 
 
MEM

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 8:01 PM CDTSevere Thunderstorm WarningGRBSauk59 min
Sep 9, 9:11 PM CDTSevere Thunderstorm WarningGRBSauk49 min
Sep 9, 9:56 PM CDTSevere Thunderstorm WarningGRBRichland64 min
Sep 9, 10:14 PM CDTSevere Thunderstorm WarningGRBJuneau, Sauk61 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.