Alert archive / Wisconsin / Tornado Warnings in 1986

Tornado Warning 2, NWS Green Bay, WI

June 26, 1986Jackson County, Monroe County, Wisconsin

NWS Green Bay, WI issued this tornado warning at Jun 26, 1986, 9:34 PM CDT for Jackson County, Monroe County, Wisconsin. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1986, 9:34 PM CDT (02:34 UTC)
Expired
Jun 26, 1986, 10:15 PM CDT
In force
41 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Jackson County, WI, Monroe 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 00:00Z, 2.6 hours before the alert went out and 211 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 1986-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1669 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 1986-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.193958Sfc1 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
1669 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSN 270234
TORMSN
WIC053-081-270315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE MADISON WI
934 PM CDT THU JUN 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

WEST CENTRAL WISCONSIN...EASTERN JACKSON AND MONROE

AT 920 PM CDT RADAR INDICATED A POSSIBLE TORNADO 1/2 MILE SOUTH OF
SPARTA MOVING TO THE EAST AT 35 MPH.  A SECOND POSSIBLE TORNADO WAS
INDICATED ON RADAR ABOUT 1 MILE NORTHWEST OF BLACK RIVER FALLS ALSO
MOVING TO THE EAST AT 35 MPH.

IF THREATENING WEATHER APPROACHES YOU...TAKE COVER IMMEDIATELY.
A BASEMENT..INTERIOR HALLWAY OR ROOM ON TH8E LOWEST FLOOR IS THE
SAFEST PLACE IN MOST BUILDINGS.

 ADDISON

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.