Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 12, NWS Milwaukee, WI

June 17, 1994Waukesha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 17, 1994, 4:45 PM CDT for Waukesha County, Wisconsin. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1994, 4:45 PM CDT (21:45 UTC)
Expired
Jun 17, 1994, 5:15 PM CDT
In force
30 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Waukesha County, WI

The nearest sounding before it

Minneapolis, MN (KSTC), launched 12:00Z, 9.8 hours before the alert went out and 470 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, Minneapolis, MN at 12:00Z on 1994-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 646 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, Minneapolis, MN at 12:00Z on 1994-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
646 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
538 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

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The text

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

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1994Every severe thunderstorm warning in 1994

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.