Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 49, NWS Milwaukee, WI

June 24, 1997Fond du Lac County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 24, 1997, 5:20 PM CDT for Fond du Lac County, Wisconsin. It was in force for 45 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
Jun 24, 1997, 5:20 PM CDT (22:20 UTC)
Expired
Jun 24, 1997, 6:05 PM CDT
In force
45 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Fond du Lac County, WI

What was reported inside it

TimeReportWhereRemark
Jun 24, 5:55 PM CDTThunderstorm WindEden, 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 24, 1:45 PM CDTTornado WatchSPC6 hr
Jun 24, 5:15 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.3 hours before the alert went out and 86 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 12:00Z on 1997-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1293 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 1997-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
1293 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1072 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

005 
WUUS1 KMKE 242221 RRA
SVRMKE
WIC039-127-242310-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
520 PM CDT TUE JUN 24 1997

* SEVERE THUNDERSTORM WARNING FOR
  FOND DU LAC COUNTY - EAST CENTRAL WISCONSIN
  WALWORTH COUNTY - SOUTHEASTERN WISCONSIN

* UNTIL 605 PM CDT
 
* SOME LOCATIONS AFFECTED
  FOND DU LAC
  OAKFIELD
  ELKHORN
  WHITEWATER

* AT 540 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
  OF SEVERE THUNDERSTORMS 25 MILES WEST OF FOND DU LAC TO 15 MILES
  WEST OF ELKHORN. THE LINE OF STORMS WAS MOVING EAST AT 40 MPH.
  NUMEROUS TREES AND POWER LINES HAVE BEEN KNOCKED DOWN BY THESE
  STORMS.  EXPECT HEAVY RAINFALL.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD MOVE
INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE
TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL
THE STORM HAS PASSED.

DAVIS/JH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 4:03 PM CDTSevere Thunderstorm WarningMKXMarquette32 min
Jun 24, 4:13 PM CDTSevere Thunderstorm WarningMKXGreen47 min
Jun 24, 4:46 PM CDTSevere Thunderstorm WarningMKXDane, Rock64 min
Jun 24, 4:59 PM CDTSevere Thunderstorm WarningMKXDodge, Jefferson61 min
Jun 24, 5:20 PM CDTSevere Thunderstorm WarningMKXWalworth45 min
Jun 24, 5:27 PM CDTSevere Thunderstorm WarningMKXWashington, Waukesha48 min
Jun 24, 5:45 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Ozaukee60 min
Jun 24, 5:45 PM CDTSevere Thunderstorm WarningMKXSheboygan60 min
Jun 24, 6:04 PM CDTSevere Thunderstorm WarningMKXKenosha, Racine, Walworth61 min
Jun 24, 6:04 PM CDTSevere Thunderstorm WarningMKXWaukesha61 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1997Every severe thunderstorm warning in 1997

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.