Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 7, NWS Green Bay, WI

June 11, 1986Waushara County, Wisconsin

NWS Green Bay, WI issued this severe thunderstorm warning at Jun 11, 1986, 3:25 PM CDT for Waushara County, Wisconsin. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1986, 3:25 PM CDT (20:25 UTC)
Expired
Jun 11, 1986, 4:00 PM CDT
In force
35 min
Issued by
NWS Green Bay, WI
Area
Whole counties

County 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, 8.4 hours before the alert went out and 100 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 112027
SVRMSN
WIC137-109-202100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING..CORRECTION FOR REMOVAL OF ST CROIX
NATIONAL WEATHER SERVICE MADISON WI
325 PM CDT WED JUN 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES OF

NORTHWEST WISCONSIN...NORTHWEST WAUSHARA

AT 305 PM CDT PUBLIC REPORTED GOLF BALL SIZE HAIL AT BIG FLATTS
IN NORTHERN ADAMS COUNTY OR ABOUT 75 MILES NORTH-NORTHWEST OF
MADISON.  THE THUNDERSTORM THAT CONTAINED THE HAIL MOVED TO THE
NORTHEAST.

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

 ADDISON

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, Jun 11, 2:32 PM CDT, 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
225 PM CDT WED JUN 11 1986

...STRONG THUNDERSTORMS MOVING INTO NORTHEAST WISCONSIN...

AT 220 PM WEATHER RADAR INDICATED STRONG THUNDERSTORMS IN EXTREME
SOUTHWEST WAUPACA COUNTY..NORTHERN GREEN LAKE COUNTY NEAR BERLIN..
AND WESTERN FOND DU LAC COUNTY JUST SOUTH OF RIPON. THE STORMS ARE
MOVING TO THE NORTHEAST AROUND 40 MPH. ONE STORM WILL BE MOVING THROUGH
WAUPACA COUNTY BETWEEN 220 PM AND 320 PM THIS AFTERNOON AND THE OTHER
TWO STORMS WILL BE MOVING THROUGH WINNEBAGO COUNTY BETWEEN 220 PM AND
320 PM CDT THIS AFTERNOON. VERY HEAVY RAINFALL..HAIL..AND STRONG
GUSTY WINDS CAN BE EXPECTED WITH THESE STORMS.

A TORNADO WATCH IS IN! EFFECT FOR PORTIONS OF CENTRAL AND SOUTHERN
WISCONSIN UNTIL 800 PM CDT THIS EVENING.
BB
Special weather statement, Jun 11, 3:10 PM CDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
300 PM CDT WED JUN 11 1986

...STRONG THUNDERSTORMS IN EAST CENTRAL WISCONSIN...

AT 255 PM CDT WEATHER RADAR INDICATED VERY STRONG THUNDERSTORMS
IN WINNEBAGO COUNTY..SOUTHERN WAUPACA COUNTY..AND SOUTHERN OUTAGAMIE
COUNTY. MARBLE SIZE HAIL WAS REPORTED AT RIPON..WHICH IS ABOUT 15
MILES SOUTHWEST OF OSHKOSH AT 250 PM CDT. PEA SIZE HAIL AND VERY
HEAVY RAINFALL WAS REPORTED AT WINNECONNE WHICH IS ABOUT 10 MILES
NORTHWEST OF OSHKOSH. THE STORMS ARE MOVING NORTHEAST AT 40 MPH.
VERY HEAVY RAINFALL..HAIL..STRONG GUSTY WINDS..AND DANGEROUS
LIGHTNING CAN BE EXPECTED WITH THESE STORMS. THE STORMS WILL CONTINUE
TO MOVE THROUGH WINNEBAGO..>WAUPACA..AND OUTAGAMIE COUNTIES BETWEEN
300 PM AND 400 PM CDT THIS AFTERNOON.
BB

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 2:21 PM CDTTornado WarningGRBGreen Lake, Marquette, Waushara39 min

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.