Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 75, NWS Milwaukee, WI

August 7, 1996Sauk County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 7, 1996, 3:48 AM CDT for Sauk County, Wisconsin. It was in force for 67 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 7, 1996, 3:48 AM CDT (08:48 UTC)
Expired
Aug 7, 1996, 4:55 AM CDT
In force
67 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Sauk County, WI

The radar

The La Crosse radar (KARX), 109 km from the middle of the area, began a volume at 08:48 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.

What was reported inside it

TimeReportWhereRemark
Aug 7, 4:00 AM CDTThunderstorm WindReedsburg, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 8.8 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 00:00Z on 1996-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3575 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 00:00Z on 1996-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
3575 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
133 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 070848
SVRMKE
WIC111-070955-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
348 AM CDT WED AUG 7 1996

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 455 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTH CENTRAL WISCONSIN

   ...SAUK COUNTY

 
DAMAGING WINDS ARE LIKELY WITH THIS STORM. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.

BROWNING/DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 3:46 AM CDTSevere Thunderstorm WarningMKXMarquette64 min
Aug 7, 4:00 AM CDTSevere Thunderstorm WarningMKXSauk45 min
Aug 7, 5:55 AM CDTSevere Thunderstorm WarningMKXSheboygan35 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1996Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.