Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 30, NWS Milwaukee, WI

June 29, 1996Columbia County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 29, 1996, 7:25 PM CDT for Columbia County, Wisconsin. It was in force for 65 min. 2 reports 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
Jun 29, 1996, 7:25 PM CDT (00:25 UTC)
Expired
Jun 29, 1996, 8:30 PM CDT
In force
65 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Columbia County, WI

The radar

The Milwaukee radar (KMKX), 84 km from the middle of the area, began a volume at 00:24 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
Jun 29, 7:29 PM CDTThunderstorm WindPortage, WI
Jun 29, 7:47 PM CDTThunderstorm WindPortage, 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, 0.4 hours before the alert went out and 150 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 1996-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2640 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 1996-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
2640 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1294 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
1.3
Supercell composite
12.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 7:07 PM CDTSevere Thunderstorm WarningMKXMarquette53 min
Jun 29, 7:21 PM CDTSevere Thunderstorm WarningMKXGreen Lake54 min
Jun 29, 7:44 PM CDTSevere Thunderstorm WarningMKXDodge, Fond du Lac46 min
Jun 29, 8:15 PM CDTSevere Thunderstorm WarningMKXDane45 min
Jun 29, 8:19 PM CDTSevere Thunderstorm WarningMKXOzaukee, Sheboygan, Washington46 min
Jun 29, 9:23 PM CDTSevere Thunderstorm WarningMKXGreen37 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.