Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 40, NWS Milwaukee, WI

July 18, 1996Fond du Lac County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 18, 1996, 6:34 PM CDT for Fond du Lac County, Wisconsin. It was in force for 41 min. 6 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
Jul 18, 1996, 6:34 PM CDT (23:34 UTC)
Expired
Jul 18, 1996, 7:15 PM CDT
In force
41 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Fond du Lac County, WI

What was reported inside it

TimeReportWhereRemark
Jul 18, 6:43 PM CDTHail 1Ripon, WI
Jul 18, 7:05 PM CDTTornado F5Oakfield, WI
Jul 18, 7:07 PM CDTTornado F2Marytown, WI
Jul 18, 7:07 PM CDTTornado F0Marytown, WI
Jul 18, 7:10 PM CDTHail 2.5Oakfield, WI
Jul 18, 7:25 PM CDTTornado F0Oakfield, 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.6 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 1996-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 74 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 12:00Z on 1996-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 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
74 J/kg
Mixed-layer CIN
-283 J/kg
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 182335
SVRMKE
WIC039-190020-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
634 PM CDT THU JUL 18 1996

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST WISCONSIN

   ...WESTERN FOND DU LAC COUNTY


 
AT 630 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY
MILWAUKEE/SULLIVAN DOPPLER RADAR 24 MILES SOUTHWEST OF OSHKOSH OR 5
MILES WEST OF RIPON MOVING EAST AT 40 MPH.

AT 630 PM DIME SIZE HAIL WAS REPOTED AT GREEN LAKE.

THIS SEVERE STORM WILL BE NEAR...
 RIPON                    BY 639 PM CDT
 FAIR WATER               BY 641 PM CDT
 BRANDON                  BY 647 PM CDT
 ALTO                     BY 650 PM CDT
 ROSENDALE                BY 651 PM CDT
 LADOGA                   BY 653 PM CDT
 ELDORADO                 BY 654 PM CDT
 WAUPUN                   BY 656 PM CDT
 LAMARTINE                BY 701 PM CDT

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.

EISE/HENTZ/MEADE
 

&

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 18, 6:16 PM CDT, 18 minutes before
WIZ008>009-016>017-027>029-033>034-041-190100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
615 PM CDT THU JUL 18 1996

THE TORNADO WATCH PREVIOUSLY IN EFFECT HAS BEEN CANCELLE6D IN MUCH
OF WESTERN WISCONSIN. THE THREAT OF SEVERE WEATHER HAS ENDED WEST
OF A LINE FROM PRICE COUNTY SOUTHWARD TO LA CROSSE COUNTY.

BROWNING

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 1:30 AM CDTFlash Flood WarningMKXGreen5 hr
Jul 18, 6:09 PM CDTSevere Thunderstorm WarningMKXGreen Lake, Marquette46 min
Jul 18, 6:19 PM CDTTornado WarningMKXGreen Lake31 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1996Every severe thunderstorm warning in 1996

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.