Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 18, NWS Green Bay, WI

June 23, 1986Columbia County, Sauk County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 23, 1986, 7:08 PM CDT for Columbia County, Sauk County, Wisconsin. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jun 23, 1986, 7:08 PM CDT (00:08 UTC)
Expired
Jun 23, 1986, 8:00 PM CDT
In force
52 min
Issued by
NWS Green Bay, WI
Area
Whole counties

Counties Columbia County, WI, Sauk 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, 0.1 hours before the alert went out and 169 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 1986-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 1986-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897Sfc1 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
18 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
1478 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
11 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 240008
SVRMSN
WIC021-111-240100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MADISON WI
708 PM CDT MON JUN 23 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

SOUTH CENTRAL WISCONSIN...COLUMBIA AND EASTERN SAUK

AT 7 PM CDT RADAR INDICATED A LINE OF THUNDERSTORMS FROM REEDSBURG
TO 10 MILES EAST OF LAKE DELTON...OR ABOUT 25 MILES NORTHWEST OF
MADISON TO 20 MILES NORTH OF MADISON.  THIS LINE OF THUNDERSTORMS
WAS MOVING TO THE SOUTHEAST AT 35 MPH.

IF THREATENING WEATHER APPROACHES YOU..BE ALERT FOR DAMAGING WINDS..
LARGE HAIL..AND DANGEROUS LIGHTNING. PSTAY TUNED TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION FOR FURTHER INFORMATION.

 ADDISON

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1986Every severe thunderstorm warning 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.