Alert archive / Wisconsin / Tornado Warnings in 1998

Tornado Warning 5, NWS Milwaukee, WI

June 25, 1998Rock County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 25, 1998, 7:11 PM CDT for Rock County, Wisconsin. It was in force for 29 min. 2 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, 7:11 PM CDT (00:11 UTC)
Expired
Jun 25, 1998, 7:40 PM CDT
In force
29 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Rock County, WI

What was reported inside it

TimeReportWhereRemark
Jun 25, 7:18 PM CDTHail 1Janesville, WI
Jun 25, 7:48 PM CDTHail 2Janesville, 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 nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.2 hours before the alert went out and 166 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, Davenport, at 00:00Z on 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3869 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, Davenport, at 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
3869 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1276 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
1.3
Supercell composite
9.7

Open this sounding in Storm Lab

The text

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

375 
WFUS1 KMKE 260011 RRA
TORMKE
WIC105-260040-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
711 PM CDT THU JUN 25 1998

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

* TORNADO WARNING FOR...
  NORTHERN ROCK COUNTY IN SOUTH CENTRAL WISCONSIN

* UNTIL 740 PM CDT

* AT 710 PM CDT... AREA LAW ENFORCEMENT INDICATED A TORNADO NEAR
  FOOTVILLE... MOVING NORTHEAST AT 30 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  HWY 184 AT 720 PM CDT
  JANESVILLE AT 730 PM CDT

IF YOU ARE IN THESE AREAS... SEEK SAFETY IN A SMALL INTERIOR ROOM
AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION

PUMA/BROWNING

The office that day

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

IssuedProductOfficeCountiesLasted
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, 8:49 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine61 min
Jun 25, 8:57 PM CDTSevere Thunderstorm WarningMKXKenosha63 min

Nearby

Tornado Warnings in Wisconsin, 1998Every tornado warning in 1998Tornadoes 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.