Alert archive / Wisconsin / Tornado Warnings in 1986

Tornado Warning 1, NWS Green Bay, WI

June 11, 1986Green Lake County, Marquette County, Waushara County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jun 11, 1986, 2:21 PM CDT for Green Lake County, Marquette County, Waushara County, Wisconsin. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1986, 2:21 PM CDT (19:21 UTC)
Expired
Jun 11, 1986, 3:00 PM CDT
In force
39 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Green Lake County, WI, Marquette County, WI, Waushara 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, 7.4 hours before the alert went out and 110 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 KMSN 111921 RRA
TORMSN
WIC047-077-137-112000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE MADISON WI
221 PM CDT WED JUN 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTH CENTRAL WISCONSIN...GREEN-LAKE...EASTERN MARQUETTE AND EASTERN 
 WAUSHARA

A SEVERE THUNDERSTORM WHICH CONTAINED GOLF BALL HAIL WAS LOCATED
10 MILES NORTHEAST OF PORTAGE WISCONSIN AT 215 PM CDT.  THIS STORM
WAS MOVING TO THE NORTHEAST AT ABOUT 40 MPH.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND
DEADLY LIGHTNING. TORNADOES CAN ALSO DEVELOP FROM SEVERE
THUNDERSTORMS. IF THREATENING WEATHER APPROACHES TAKE SHELTER
IMMEDIATELY.

 ADDISON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 3:25 PM CDTSevere Thunderstorm WarningGRBWaushara35 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.