Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 5, NWS Milwaukee, WI

April 18, 1995Jefferson County, Walworth County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Apr 18, 1995, 11:37 AM CDT for Jefferson County, Walworth County, Wisconsin. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Apr 18, 1995, 11:37 AM CDT (16:37 UTC)
Expired
Apr 18, 1995, 12:15 PM CDT
In force
38 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Jefferson County, WI, Walworth County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 4.6 hours before the alert went out and 187 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 1995-04-18Temperature 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 1995-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.19395878Sfc1 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
1143 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
206 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 181639
SVRMKE
WIC055-127-181715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1137 AM CDT TUE APR 18 1995
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST WISCONSIN
 
   ...JEFFERSON COUNTY...WALWORTH COUNTY
 
A LINE OF SEVERE THUNDERSTORMS WILL BLOW THROUGH JEFFERSON AND AND
WALWORTH COUNTIES THROUGH 1200 PM CDT. THERE HAVE BEEN SEVERAL REPORTS
OF BARNS BEING DAMAGED AND OTHER BUILDING DAMAGE BACK IN ROCK AND GREEN
COUNTIES SINCE 1100 AM. BY 1200 PM THE SEVERE STORMS WILL BE ON A LINE
FROM WATERTOWN TO EAST OF THE LAKE GENEVA AREA.
KAPELA
 
THIS STORM HAS A HISTORY OF DAMAGING WIND.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 10:22 AM CDTSevere Thunderstorm WarningMKXIowa, Lafayette38 min
Apr 18, 10:54 AM CDTSevere Thunderstorm WarningMKXDane, Rock61 min
Apr 18, 10:54 AM CDTSevere Thunderstorm WarningMKXGreen27 min
Apr 18, 11:00 AM CDTSevere Thunderstorm WarningMKXIowa, Lafayette21 min
Apr 18, 11:27 AM CDTTornado WarningMKXRock23 min
Apr 18, 11:50 AM CDTSevere Thunderstorm WarningMKXMilwaukee, Ozaukee, Washington55 min
Apr 18, 11:50 AM CDTSevere Thunderstorm WarningMKXDodge, Racine, Waukesha36 min
Apr 18, 11:50 AM CDTSevere Thunderstorm WarningMKXKenosha36 min
Apr 18, 11:50 AM CDTSevere Thunderstorm WarningMKXColumbia36 min
Apr 18, 4:48 PM CDTSevere Thunderstorm WarningMKXKenosha, Milwaukee, Racine57 min
Apr 18, 4:48 PM CDTSevere Thunderstorm WarningMKXOzaukee57 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1995Every severe thunderstorm warning in 1995

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.