Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Milwaukee, WI

June 11, 1986Milwaukee County, Ozaukee County, Washington County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 11, 1986, 3:29 PM CDT for Milwaukee County, Ozaukee County, Washington County, Wisconsin. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 11, 1986, 3:29 PM CDT (20:29 UTC)
Expired
Jun 11, 1986, 4:11 PM CDT
In force
42 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Milwaukee County, WI, Ozaukee County, WI, Washington 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, 8.5 hours before the alert went out and 135 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 112029
SVRMKE
WIC079-089-131-133-112130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MILWAUKEE WI
329 PM CDT WED JUN 11 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND 
SPECIAL MARINE WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE 
FOLLOWING COUNTIES OF

SOUTHEAST WISCONSIN...NORTHWEST MILWAUKEE...OZAUKEE...SOUTHERN 
 WASHINGTON AND WAUKESHA
...INCLUDING THE ADJACENT COASTAL WATERS OF LAKE MICHIGAN.       
.                      

RADAR SHOWS A CLUSTER OF SEVERE THUNDERSTORMS OVER CENTRAL
WAUKESHA COUNTY NEAR THE CITY OF WAUKESHA MOVING NORTHEAST AT
40 MPH. AT 325 PM CDT WINDS GUSTING TO 69 MPH WAS REPORTED AT
THE WAUKESHA AIRPORT. THE STORM WILL BE AFFECTING THE SUSSEX...
MENOMONEE FALLS...BUTLER...GERMANTOWN AREAS AND NORTHWEST
SUBURBS OF MILWAUKEE COUNTY.

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

TZ

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, 2:08 PM CDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
209 PM CDT WED JUN 4 1986

...STRONG THUNDERSTORM MOVING THROUGH SOUTHEAST GREEN LAKE COUNTY...

AT 200PM CDT WEATHER RADAR DETECTED A STRONG THUNDERSTORM NEAR MARKESAN
IN GREEN LAKE COUNTY. THIS STORM DEPOSITED 3/8 INCH HAIL AS IT PASSED
OVER MANCHESTER.

THE STORM IS MOVING NORTHEAST AROUND 40 MPH AND WILL BE HEADING BETWEEN
RIPON...15 MILES SOUTHWEST OF OSHKOSH...IN NORTHWEST FOND DU LAC COUNTY
AND BERLIN IN GREEN LAKE COUNTY.

PERSONS SHOULD BE ALERT FOR DAMAGING WINDS...LARGE HAIL AND HEAVY RAIN
AS THIS STORM APPROACHES.
TZ
OSTER
Special weather statement, Jun 11, 2:13 PM CDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
215 PM CDT WED JUN 4 1986

...STRONG THUNDERSTORMS DEVELOPING IN SOUTHERN WISCONSIN...

WEATHER RADAR AT 210 PM INDICATED A NEWLY DEVELPED STRONG THUNDERSTORM
33 MILES NORTHEAST OF ROCKFORD NEAR DELAVAN IN WALWORTH COUNTY.

THIS STORM WAS MOVING TO THE NORTHEAST AROUND 40 MPH AND SHOULD
MOVE THROUGH NORTHERN WALWORTH COUNTY BETWEEN 215 PM AND 240 PM
PASSING TO THE SOUTHEAST OF WHITEWATER BEFORE MOVING INTO SOUTHERN
WAUKESA COUNTY BY 240 PM.

PERSONS IN WALWORTH COUNTY AND WAUKESHA COUNTY  SHOULD BE ALERT
FRO DAMAGING WINDS...LARGE HAIL AND HEAVY RAINS AS THIS STORM
APPROACHES.

IN ADDITION TORNADO WATCH NUMBER 249 IS EN EFFECT FOR PORTIONS OF
CENTRAL AND SOUTHERN WISCONSIN.
SCAFFIDI
Special weather statement, Jun 11, 2:42 PM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
240 PM CDT WED JUN 4 1986

...STRONG THUNDERSTORMS DEVELOPING IN SOUTHEAST WISCONSIN...

WEATHER RADAR AT 235 PM INDICATED STRONG THUNDERSTORMS CONTINUING TO
INCREASE IN NUMBER AND INTENSITY OVER SOUTHEAST WISCONSIN.

ONE STORM WAS LOCATED OVER NORTHWEST FOND DU LAC COUNTY NEAR RIPON...
15 MILES SOUTHWEST OF OSHKOSH. THIS STORM IS MOVING NORTHEAST AT 40 MPH
AND WILL BE ENTERING SOUTHERN WINNEBAGO COUNTY BY 300PM.

ANOTHER CLUSTER OF STRONG THUNDERSTORMS WAS LOCATED FROM WALWORTH COUNTY
INTO SOUTHERN WAUKESHA COUNTY. THIS CLUSTER OF STORMS IS ALSO MOVING
NORTHEAST AT 40 MPH AND WILL BE HEADING FOR THE CITY OF WAUKESHA AND
NORTHWEST MILWAUKEE COUNTY BETWEEN NOW AND 400PM CDT.

IN ADDITION TORNADO WATCH NUMBER 249 IS IN EFFECT FOR PORTIONS OF
CENTRAL AND SOUTHERN WISCONSIN.
PERSONS IN THE PATH OF THE ABOVE MENTIONED STORMS SHOULD BE ALERT FOR
STRONG WINDS...HEAV'Y RAIN AND POSSIBLY LARGE HAIL.
TZ
Special weather statement, Jun 11, 3:02 PM CDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
301 PM CDT WED JUN 4 1986

...VERY STRONG THUNDERSTORM OVER NORTHWEST FOND DU LAC COUNTY...

WEATHER RADAR AT 255 PM INDICATED A VERY STRONG THUNDERSTORM NEAR RIPON
..15 MILES SOUTHWEST OF OSHKOSH...IN NORTHWEST FOND DU LAC COUNTY.

AT 248 PM AN UNOFFICAL REPORT OF A FUNNEL CLOUD WAS REPORTED IN THE
VICINITY OF RIPON. HOWEVER...FURTHER CHECKS WITH AUTHORITIES HAVE
BEEN UNABLE TO CONF9IRMED ANY SEVERE WEATHER.

THE STORM IS MOVING NORTHEAST AT 40 MPH AND WILL BE ENTERING SOUTHERN
WINNEBAGO COUNTY BY 315PM CDT.

PERSONS IN THE PATH OF THIS STORM SHOULD BE ALERT FOR DAMAGING WINDS...
LARGE HAIL AND HEAVY RAIN.
TZ
Special weather statement, Jun 11, 3:18 PM CDT, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
316 PM CDT WED JUN 4 1986

..STRONG CLUSTER OF THUNDERSTORMS OVER WAUKESHA AND WALWORTH COUNTIES..

WEATHER RADAR AT 310 PM INDICATED A CLUSTER OF STRONG THUNDERSTORMS
OVER THE CITY OF WAUKESHA...15 MILES NORTHWEST OF THE CITY OF WAUKESHA..
AND IN NORTHWEST WAUKESHA COUNTY EXTENDING INTO WALWORTH COUNTY TO ABOUT
10 MILES SOUTHEAST OF WHITEWATER.

THESE STORMS ARE MOVING NORTHEAST AT 40 MPH AND WILL BE AFFECTING
SOUTHERN WASHINGTON...SOUTHERN OZAUKEE AND NORTHWEST MILWAUKEE COUNTIES
BETWEEN NOW AND 415PM CDT.

PERSONS IN THE PATH OF THESE STORMS SHOULD BE ALERT FOR DAMAGING WINDS...
LARGE HAIL AND HEAVY RAIN.

IN ADEDITION TORNADO WATCH NUMBER 249 CONTINUES IN EFFECT FOR SOUTHERN
WISCONSIN UNTIL 800 PM CDT.
^
AT 315 PM CDT THE WAUKESHA AIRPORT REPORTED HEAVY RAIN...AND WINDS
GUSTING TO 35 MPH.
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, 4:23 PM CDTTornado WarningMKXFond du Lac, Sheboygan25 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.