Alert archive / Wisconsin / Tornado Warnings in 1986

Tornado Warning 1, NWS Milwaukee, WI

June 11, 1986Fond du Lac County, Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this tornado warning at Jun 11, 1986, 4:23 PM CDT for Fond du Lac County, Sheboygan County, Wisconsin. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1986, 4:23 PM CDT (21:23 UTC)
Expired
Jun 11, 1986, 4:48 PM CDT
In force
25 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

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

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.4 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 12:00Z on 1986-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 1986-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
2 J/kg
Mixed-layer CIN
-387 J/kg
Mixed-layer LCL
911 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 112123
TORMKE
WIC039-117-112230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MILWAUKEE WI
423 PM CDT WED JUN 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL 
MARINE WARNING EFFECTIVE UNTIL 530 PM CDT FOR PEOPLE IN THE 
FOLLOWING COUNTIES OF

EAST CENTRAL WISCONSIN...EASTERN FOND-DU-LAC AND SHEBOYGAN
...INCLUDING THE ADJACENT COASTAL WATERS OF LAKE MICHIGAN.       
.                      

AT 420 PM CDT A TORNADO WAS REPORTED BY THE FOND DU LAC COUNTY
SHERIFF AT CAMPBELLSPORT AND EDEN...27 SSE OF OSHKOSH MOVING TO
TO NORTHEAST AT 40 MPH. THIS STORM WILL BE AFFECTING THE
ARMSTRONG AND ELKHART LAKE AREAS. BUILDING DAMAGE WAS REPORTED.

IF THREATENING WEATHER APPROACHES YOU...TAKE COVER IMMEDIATELY.
A BASEMENT..INTERIOR HALLWAY OR ROOM ON THE LOWEST FLOOR IS THE
SAFEST PLACE IN MOST BUILDINGS. GET UNDER SOMETHING STURDY.

TZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 3:29 PM CDTSevere Thunderstorm WarningMKXWaukesha17 min
Jun 11, 3:29 PM CDTSevere Thunderstorm WarningMKXMilwaukee, Ozaukee, Washington42 min

Nearby

Tornado Warnings in Wisconsin, 1986Every tornado warning in 1986Tornadoes in 1986

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.