Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 10, NWS Milwaukee, WI

June 26, 1986Fond du Lac County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 26, 1986, 8:12 PM CDT for Fond du Lac County, Wisconsin. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1986, 8:12 PM CDT (01:12 UTC)
Expired
Jun 26, 1986, 9:00 PM CDT
In force
48 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Fond du Lac 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, 1.2 hours before the alert went out and 86 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 KMKE 270112
SVRMKE
WIC039-270200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE WI
812 PM CDT THU JUN 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

EAST CENTRAL WISCONSIN...FOND-DU-LAC

AT 810 PM A LINE OF SEVERE THUNDERSTORMS WAS INDICATED BY RADAR OVER
NORTHWEST FOND DU LAC COUNTY NEAR RIPON. AT 805 PM CDT STRONG WINDS
WERE REPORTED AT ROSENDALE...12 MILES SOUTH SOUTHWEST OF OSHKOSH.
THIS LINE OF STORMS IS HEADING TOWARD BRANDON...AND THE CITY OF
FOND DU LAC.

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

TZ/NJ

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 26, 3:54 PM CDT, 4 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE, WI
355 PM CDT THU JUN 26 1986

...TORNADO WATCH NUMBER 302 FOR NORTHEAST HALF OF WISCONSIN...

TORNADO WATCH NUMBER 302 IN EFFECT THROUGH 11PM COVERS MUCH OF THE
NORTH HALF OF WISCONSIN. IT REACHES FROM THE UPPER MICHIGAN BORDER TO
A SOUTHERN EDGE ROUGHLY FROM EAU CLAIRE TO OSHKOSH AND SHEBOYGAN.

SEVERAL BATCHES OF THUNDERSTORMS ARE FORECAST TO CROSS THROUGH THE
NORTH HALF OF WISCONSIN TONIGHT. MANY WILL ACCOMPANIED BY VERY HEAVY
RAIN..WHERE TRAFFIC WILL BE SLOWED DUE TO NEAR ZERO VISIBLITY FOR A FEW
MINUTES. LIGHTNING STRIKES CAUSING POWER OUTAGES AND STRONG WESTERLY
WIND GUSTS TO AROUND 50 MPH WILL ALSO ACCOMPANY SOME STORMS AS WELL
AS SMALL HAIL.

ISOLATED SEVERE THUNDERSTORMS MAY OCCUR IN THE WATCH AREA BETWEEN 4 AND
11PM.
DRAG
Special weather statement, Jun 26, 4:42 PM CDT, 3 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE, WI
435 PM CDT THU JUN 26 1986

...TORNADO WATCH NUMBER 302 FOR NORTHEAST HALF OF WISCONSIN...

AT 430 PM..RADAR SHOWED A LARGE AREA OF SHOWERS AND THUNDERSTORMS
MOVING INTO CENTRAL WISCONSIN.  THE LEADING EDGE EXTENDED FROM JUST
NORTH OF WAUSAU SOUTHWESTWARD THROUGH AUBURNDALE IN NORTHERN WOOD
COUNTY TO WYEVILLE IN NORTHEAST MONROE COUNTY..ABOUT 20 MILES WEST
OF NECEDAH.  THE SHOWERS AND STORMS WERE MOVING EAST NEAR 30 MPH.

THE STRONGEST STORMS WERE IN A BAND FROM ABOUT 10 MILES NORTH OF WAUSAU
TO MARSHFIELD. THEY SHOULD BE PASSING THROUGH WAUSAU AND MOSINEE BETWEEN
545 AND 630 PM.

NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE! STORMS WITHIN THE PAST
HOUR.  BUT THE STRONGER ONES ARE CAPABLE OF PRODUCING VERY HEAVY
RAIN..DANGEROUS LIGHTNING..GUSTY WINDS AND POSSIBLY SOME SMALL HAIL.
PERSONS IN THESE AREAS SHOULD BE ALERT FOR POSSIBLE SEVERE WEATHER.
JOHNSTON
Special weather statement, Jun 26, 6:08 PM CDT, 2 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE, WI
558 PM CDT THU JUN 26 1986

AT 555 PM..RADAR SHOWED A LINE OF INTENSE THUNDERSTORMS FROM PITTSVILLE
IN WOOD COUNTY..35 MILES SOUTHWEST OF WAUSAU..INTO NORTHERN JUNEAU
COUNTY ABOUT 10 MILES OF NECEDAH.  THE LINE IS MOVING EAST-SOUTHEAST
AT 30 MPH TOWARD WISCONSIN RAPIDS AND NECEDAH..AND WILL MOVE INTO
PORTAGE AND ADAMS COUNTIES SHORTLY AFTER 615 PM.

AT 554 PM..PEA SIZE HAIL AND 35 MPH WINDS WERE REPORTED FROM ONE OF
THESE STORMS JUST WEST OF NEKOOSA.  DANGEROUS LIGHTNING IS ALSO POSSIBLE
WITH THIS LINE.

ELSEWHERE..A LINE OF MODERATE TO HEAVY THUNDERSTORMS EXTENDED FROM
SOUTHERN FOREST THROUGH EASTERN LANGLADE..MENOMINEE..WESTERN SHAWANO..
TO NORTHERN PORTAGE COUNTY. THIS LINE WAS MOVING EASTWARD NEAR 30 MPH.
A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF NORTHERN AND PARTS OF
CENTRAL WISCONSIN UNTIL 11 PM.  PERSONS IN THESE AREAS SHOULD CONTINUE
TO BE ALERT TO THE POSSIBxILITY OF SEVERE WEATHER.
JOHNSTON
Special weather statement, Jun 26, 7:29 PM CDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE, WI
720 PM CDT FRI JUN 26 1986

...A TORNADO WATCH IS IN EFFECT FOR SOUTHEAST WISCONSIN UNTIL 11 PM...

AT 715 PM..RADAR SHOWED A LINE OF STRONG THUNDERSTORMS MOVING INTO
SOUTHEAST WISCONSIN.  THE LINE EXTENDED FROM JUST WEST OF NEW LONDON
IN WAUPACA COUNTY..50 MILES WEST-SOUTHWEST OF GREEN BAY..SOUTHWESTWARD
THROUGH EASTERN WAUSHARA COUNTY TO WESTFIELD IN MARQUETTE COUNTY..ABOUT
50 MILES NORTH OF MADISON.  IT IS MOVING EAST-SOUTHEAST NEAR 30 MPH
TOWARD OUTAGAMIE..WINNEBAGO..GREEN LAKE..AND WESTERN FOND-DU-LAC COUNTY.
NO SEVERE WEATHER HAS BEEN RECEIVED FROM THIS LINE DURING THE PAST HOUR.
IT DID PRODUCE STRONG WINDS CAUSING SOME POWER OUTAGES IN CENTRAL
WISCONSIN EARLIER ALONG WITH SOME SMALL HAIL.

SHOWERS OUT AHEAD OF THE LINE HAVE MOVED INTO SOUTHEAST WISCONSIN AS
FAR AS SHEBOYGAN COUNTY AND NORTHERN PORTIONS OF OZAUKEE..WASHINGTON..
AND DODGE COUNTIES.  THERE ARE NO STRONG THUNDERSTORMS AS YET IN THE
SHOWER AREA.
JOHNSTON
Special weather statement, Jun 26, 8:05 PM CDT, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE, WI
753 PM CDT FRI JUN 26 1986

...TORNADO WATCH NO. 302 IN EFFECT FOR MOST OF NORTHEAST WISCONSIN
UNTIL 11 PM...

AT 750 PM..RADAR SHOWED A LINE OF STRONG THUNDERSTORMS FROM OMRO IN
WINNEBAGO COUNTY..10 MILES WEST OF OSHKOSH..TO MONTELLO IN MARQUETTE
COUNTY..ABOUT 40 MILES NORTH OF MADISON. IT WAS MOVING EAST 30 MPH
TOWARD EASTERN WINNEBAGO AND CALUMET COUNTY. ANOTHER LINE OF STORMS
WAS JUST MOVING INTO DOUGLAS COUNTY IN THE NORTHWEST CORNER OF THE
STATE.  OTHER SHOWERS AND A FEW THUNDERSTORMS ARE SCATTERED ACROSS
THE NORTHEAST AND WEST CENTRAL WISCONSIN.

NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE STORMS DURING THE PAST
HOUR.  BUT SOME HAVE BEEN PRODUCING VERY HEAVY RAINS AND FREQUENT
LIGHTNING.  THE POTENTIAL FOR SEVERE WEATHER STILL EXISTS..HOWEVER..
SO THE TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST WISCONSIN.
JOHNSTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 10:19 PM CDTSevere Thunderstorm WarningMKXWood56 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.