Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 19, NWS Milwaukee, WI

May 16, 1999Kenosha County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 16, 1999, 7:37 PM CDT for Kenosha County, Wisconsin. It was in force for 63 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
May 16, 1999, 7:37 PM CDT (00:37 UTC)
Expired
May 16, 1999, 8:40 PM CDT
In force
63 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Kenosha County, WI

What was reported inside it

TimeReportWhereRemark
May 16, 7:55 PM CDTHail 1.75Kenosha, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 16, 4:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.6 hours before the alert went out and 213 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 1999-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1410 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 1999-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 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
1410 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
821 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
387 m²/s²
Significant tornado parameter
1.4
Supercell composite
4.4

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
May 16, 9:15 PM CDTSevere Thunderstorm WarningMKXLafayette60 min
May 16, 9:20 PM CDTSevere Thunderstorm WarningMKXIowa60 min
May 16, 10:10 PM CDTFlash Flood WarningMKXIowa, Lafayette3 hr
May 16, 10:10 PM CDTFlash Flood WarningMKXSauk3 hr
May 16, 10:17 PM CDTSevere Thunderstorm WarningMKXGreen, Lafayette58 min
May 16, 10:43 PM CDTFlash Flood WarningMKXColumbia, Marquette3 hr
May 16, 11:06 PM CDTSevere Thunderstorm WarningMKXDane59 min
May 16, 11:23 PM CDTFlash Flood WarningMKXGreen3 hr
May 17, 12:30 AM CDTSevere Thunderstorm WarningMKXRock60 min
May 17, 1:24 AM CDTSevere Thunderstorm WarningMKXWalworth61 min
May 17, 1:30 AM CDTSevere Thunderstorm WarningMKXKenosha, Racine60 min
May 17, 4:10 AM CDTFlash Flood WarningMKXGreen, Lafayette14 hr

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.