Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 83, NWS Milwaukee, WI

June 25, 1998Kenosha County, Racine County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 25, 1998, 8:49 PM CDT for Kenosha County, Racine County, Wisconsin. It was in force for 61 min. 4 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 25, 1998, 8:49 PM CDT (01:49 UTC)
Expired
Jun 25, 1998, 9:50 PM CDT
In force
61 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Kenosha County, WI, Racine County, WI

What was reported inside it

TimeReportWhereRemark
Jun 25, 9:05 PM CDTThunderstorm WindSilver Lake, WI
Jun 25, 9:05 PM CDTThunderstorm Wind 50Kenosha Muni Arpt, WI
Jun 25, 9:10 PM CDTThunderstorm WindBurlington, WI
Jun 25, 9:25 PM CDTThunderstorm WindBristol, 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
Jun 25, 7:30 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.8 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 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2137 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 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 square meters per square second.19395878Sfc1 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
2137 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1195 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
2.3
Supercell composite
12.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

992 
WUUS1 KMKE 260150 RRA
SVRMKE
WIC059-101-260250-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
849 PM CDT THU JUN 25 1998

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN WI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN KENOSHA COUNTY IN SOUTHEASTERN WISCONSIN
  WESTERN RACINE COUNTY IN SOUTHEASTERN WISCONSIN

* UNTIL 950 PM CDT

* AT 847 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM EASTERN WALWORTH... MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TWIN LAKES AT 850 PM
  NEW MUNSTER AT 850 PM
  WATERFORD AT 847 PM
  ROCHESTER AT 855 PM

IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM
AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. SEVERE
THUNDERSTORMS WILL OCCASIONALLY PRODUCE TORNADOES.

MK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:11 PM CDTTornado WarningMKXRock29 min
Jun 25, 7:41 PM CDTSevere Thunderstorm WarningMKXRock59 min
Jun 25, 7:49 PM CDTSevere Thunderstorm WarningMKXJefferson, Walworth61 min
Jun 25, 7:56 PM CDTSevere Thunderstorm WarningMKXGreen64 min
Jun 25, 8:14 PM CDTFlash Flood WarningMKXRock3 hr
Jun 25, 8:25 PM CDTTornado WarningMKXGreen35 min
Jun 25, 8:42 PM CDTSevere Thunderstorm WarningMKXWalworth63 min
Jun 25, 8:57 PM CDTSevere Thunderstorm WarningMKXKenosha63 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1998Every severe thunderstorm warning in 1998

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.