Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 56, NWS Milwaukee, WI

August 5, 1996Iowa County, Sauk County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Aug 5, 1996, 5:11 PM CDT for Iowa County, Sauk County, Wisconsin. It was in force for 64 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 5, 1996, 5:11 PM CDT (22:11 UTC)
Expired
Aug 5, 1996, 6:15 PM CDT
In force
64 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Iowa County, WI, Sauk County, WI

The radar

The La Crosse radar (KARX), 115 km from the middle of the area, began a volume at 22:13 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 5, 5:15 PM CDTThunderstorm WindDodgeville, 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

Davenport, (KDVN), launched 12:00Z, 10.2 hours before the alert went out and 181 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, Davenport, at 12:00Z on 1996-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 279 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, Davenport, at 12:00Z on 1996-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
279 J/kg
Mixed-layer CIN
-254 J/kg
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 052211
SVRMKE
WIC049-111-052315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
511 PM CDT MON AUG 5 1996
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST WISCONSIN
 
   ...IOWA COUNTY...SAUK COUNTY
 
AT 510PM... A SEVERE THUNDERSTORM WAS OVER NORTHWEST IOWA COUNTY NEAR
LONE ROCK. THE STORM WAS MOVING NORTHEAST AT 30 MPH AND WILL PRODUCE
DAMAGING WINDS AND VERY HEAVY RAINS AS IT MOVES TOWARD THE TOWN OF PLAIN
IN SAUK COUNTY.
 
THIS STORM HAS A HISTORY OF DAMAGING WIND.  GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!
 
HENTZ/MEADE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 2:43 PM CDTSevere Thunderstorm WarningMKXIowa, Sauk57 min
Aug 5, 3:29 PM CDTSevere Thunderstorm WarningMKXColumbia, Dane61 min
Aug 5, 4:04 PM CDTSevere Thunderstorm WarningMKXGreen Lake51 min
Aug 5, 4:12 PM CDTSevere Thunderstorm WarningMKXDodge, Fond du Lac63 min
Aug 5, 4:35 PM CDTSevere Thunderstorm WarningMKXJefferson50 min
Aug 5, 5:04 PM CDTSevere Thunderstorm WarningMKXSheboygan61 min
Aug 5, 5:15 PM CDTSevere Thunderstorm WarningMKXDodge, Fond du Lac45 min
Aug 5, 6:50 PM CDTTornado WarningMKXDane25 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.