Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 41, NWS Milwaukee, WI

July 18, 1996Fond du Lac County, Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 18, 1996, 7:05 PM CDT for Fond du Lac County, Sheboygan County, Wisconsin. It was in force for 55 min. 10 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, 7:05 PM CDT (00:05 UTC)
Expired
Jul 18, 1996, 8:00 PM CDT
In force
55 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Fond du Lac County, WI, Sheboygan County, WI

The radar

The Green Bay radar (KGRB), 83 km from the middle of the area, began a volume at 00:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
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
Jul 18, 7:27 PM CDTTornado F0North Fond Du Lac, WI
Jul 18, 7:32 PM CDTThunderstorm WindPlymouth, WI
Jul 18, 7:55 PM CDTTornado F0Byron, WI
Jul 18, 7:59 PM CDTThunderstorm WindDundee, WI
Jul 18, 8:10 PM CDTTornado F1Beechwood, 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 00:00Z, 0.1 hours before the alert went out and 81 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 1996-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2604 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 1996-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
2604 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
773 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
2.5
Supercell composite
9.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 190007
SVRMKE
WIC039-117-190105-

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

THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 800 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHEAST WISCONSIN

   ...EASTERN FOND DU LAC COUNTY
   ...SHEBOYGAN COUNTY


 
AT 700 PM CDT...A SEVERE THUNDERSTORM WAS DETECTED BY
MILWAUKEE/SULLIVAN DOPPLER RADAR 9 MILES WEST SOUTHWEST OF FOND DU
LAC OR 2 MILES NORTHEAST OF LADOGA MOVING EAST SOUTHEAST AT 41 MPH.

THIS SEVERE STORM WILL BE NEAR...

 FOND DU LAC              BY 714 PM CDT
 EDEN                     BY 720 PM CDT
 ASHFORD                  BY 725 PM CDT
 CAMPBELLSPORT            BY 729 PM CDT
 WAUCOUSTA                BY 730 PM CDT

THIS STORM SHOULD THEN REACH FAR SOUTHWEST SHEBOYGAN COUNTY BY
730 PM.

ANOTHER SEVERE STORM TO THE NORTH SHOULD REACH NORTHERN SHEBOYGAN
COUNTY BY 730 PM.

EXPECT LARGE HAIL AND DAMAGING WINDS WITH THIS STORM.

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

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, 49 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, 7:09 PM CDTTornado WarningMKXFond du Lac31 min
Jul 18, 7:15 PM CDTTornado WarningMKXSheboygan35 min
Jul 18, 7:23 PM CDTTornado WarningMKXDodge, Washington52 min
Jul 18, 7:35 PM CDTTornado WarningMKXFond du Lac50 min
Jul 18, 7:42 PM CDTSevere Thunderstorm WarningMKXColumbia63 min
Jul 18, 7:51 PM CDTTornado WarningMKXSheboygan44 min
Jul 18, 8:00 PM CDTTornado WarningMKXOzaukee45 min
Jul 18, 8:03 PM CDTTornado WarningMKXColumbia47 min
Jul 18, 8:21 PM CDTTornado WarningMKXDodge, Fond du Lac, Washington44 min
Jul 18, 8:46 PM CDTSevere Thunderstorm WarningMKXOzaukee49 min
Jul 18, 8:53 PM CDTTornado WarningMKXOzaukee, Washington47 min
Jul 18, 9:01 PM CDTTornado WarningMKXDodge34 min
Jul 18, 9:10 PM CDTSevere Thunderstorm WarningMKXWashington60 min
Jul 18, 9:28 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Waukesha62 min
Jul 18, 9:38 PM CDTSevere Thunderstorm WarningMKXOzaukee52 min
Jul 18, 9:41 PM CDTSevere Thunderstorm WarningMKXOzaukee, Washington49 min
Jul 18, 10:09 PM CDTSevere Thunderstorm WarningMKXMilwaukee36 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; radar from the NEXRAD Level II archive.