Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 74, NWS Milwaukee, WI

August 7, 1995Jefferson County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 7, 1995, 4:50 PM CDT for Jefferson County, Wisconsin. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Aug 7, 1995, 4:50 PM CDT (21:50 UTC)
Expired
Aug 7, 1995, 5:35 PM CDT
In force
45 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Jefferson County, WI

The radar

The Milwaukee radar (KMKX), 19 km from the middle of the area, began a volume at 21:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.8 hours before the alert went out and 171 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 1995-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 503 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 1995-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
503 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
777 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
53 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 072152 RRA
SVRMKE
WIC055-072235-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
450 PM CDT MON AUG 7 1995

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 535 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST WISCONSIN

   ...JEFFERSON COUNTY


 
AT 450 PM A SEVERE THUNDERSTORM WAS LOCATED IN JEFFERSON COUNTY
BETWEEN LAKE MILLS AND JEFFERSON.  SOME TREES WERE REPORTED DOWN
IN LAKE MILLS FROM THIS STORM.  THE STORM WAS MOVING EAST SOUTHEAST
AT 20 MPH.

THE CITIES OF JEFFERSON...HELLENVILLE AND JOHNSON CREEK WILL BE
AFFECTED BY 5PM.

DAMAGING WINDS AND VERY HEAVY RAINS ARE LIKELY. GO INSIDE
A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

HENTZ/DAVIS
 

&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 5:02 PM CDTSevere Thunderstorm WarningMKXWaukesha48 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; radar from the NEXRAD Level II archive.