Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 42, NWS Milwaukee, WI

June 6, 1999Kenosha County, Racine County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 6, 1999, 6:51 PM CDT for Kenosha County, Racine County, Wisconsin. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 6, 1999, 6:51 PM CDT (23:51 UTC)
Expired
Jun 6, 1999, 7:45 PM CDT
In force
54 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Kenosha County, WI, Racine County, WI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.9 hours before the alert went out and 205 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 1999-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1488 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 1999-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
1488 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
803 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
240 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Jun 6, 5:17 PM CDT, 1 hour 34 minutes before
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Local storm report, Jun 6, 5:22 PM CDT, 1 hour 29 minutes before
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Local storm report, Jun 6, 5:35 PM CDT, 1 hour 16 minutes before
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Local storm report, Jun 6, 5:35 PM CDT, 1 hour 16 minutes before
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Local storm report, Jun 6, 6:40 PM CDT, 11 minutes before
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Local storm report, Jun 6, 6:40 PM CDT, 11 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 3:17 PM CDTSevere Thunderstorm WarningMKXDane, Green, Rock58 min
Jun 6, 3:19 PM CDTSevere Thunderstorm WarningMKXColumbia56 min
Jun 6, 3:36 PM CDTTornado WarningMKXGreen, Rock54 min
Jun 6, 3:51 PM CDTSevere Thunderstorm WarningMKXDodge54 min
Jun 6, 3:59 PM CDTSevere Thunderstorm WarningMKXJefferson61 min
Jun 6, 4:06 PM CDTSevere Thunderstorm WarningMKXWalworth54 min
Jun 6, 4:09 PM CDTSevere Thunderstorm WarningMKXColumbia, Marquette66 min
Jun 6, 4:09 PM CDTSevere Thunderstorm WarningMKXSauk66 min
Jun 6, 4:12 PM CDTTornado WarningMKXWalworth63 min
Jun 6, 4:16 PM CDTTornado WarningMKXDane, Jefferson59 min
Jun 6, 4:19 PM CDTSevere Thunderstorm WarningMKXFond du Lac56 min
Jun 6, 4:28 PM CDTTornado WarningMKXJefferson32 min
Jun 6, 4:30 PM CDTSevere Thunderstorm WarningMKXWaukesha60 min
Jun 6, 4:35 PM CDTSevere Thunderstorm WarningMKXGreen Lake55 min
Jun 6, 4:39 PM CDTTornado WarningMKXWaukesha66 min
Jun 6, 4:42 PM CDTSevere Thunderstorm WarningMKXWashington63 min
Jun 6, 4:43 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Racine62 min
Jun 6, 4:43 PM CDTSevere Thunderstorm WarningMKXKenosha62 min
Jun 6, 4:45 PM CDTSevere Thunderstorm WarningMKXOzaukee, Sheboygan75 min
Jun 6, 4:51 PM CDTSevere Thunderstorm WarningMKXDodge24 min
Jun 6, 5:10 PM CDTTornado WarningMKXOzaukee35 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1999Every severe thunderstorm warning in 1999

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.