Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Milwaukee, WI

June 17, 1993Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 17, 1993, 7:43 PM CDT for Sheboygan County, Wisconsin. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jun 17, 1993, 7:43 PM CDT (00:43 UTC)
Expired
Jun 17, 1993, 8:45 PM CDT
In force
62 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Sheboygan County, WI

The nearest sounding before it

Detroit, MI (KFNT), launched 00:00Z, 0.7 hours before the alert went out and 372 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, Detroit, MI at 00:00Z on 1993-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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, Detroit, MI at 00:00Z on 1993-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939Sfc1 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
20 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
1669 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.0

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 17, 7:12 PM CDTTornado WarningMKXJefferson63 min
Jun 17, 7:15 PM CDTSevere Thunderstorm WarningMKXWaukesha60 min
Jun 17, 8:28 PM CDTFlash Flood WarningMKXWalworth2 hr
Jun 17, 8:43 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth47 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1993Every severe thunderstorm warning in 1993

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.