Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 5, NWS Milwaukee, WI

June 19, 1986Fond du Lac County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jun 19, 1986, 8:23 PM CDT for Fond du Lac County, Wisconsin. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1986, 8:23 PM CDT (01:23 UTC)
Expired
Jun 19, 1986, 9:05 PM CDT
In force
42 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, 1.4 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 1986-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1450 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 1986-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
1450 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMKE 200128 COR
SVRMKE
WIC039-200215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED   ...CORRECTION...
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE WI
823 PM CDT THU JUN 19 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY OF

EAST CENTRAL WISCONSIN...FOND-DU-LAC

AT 818 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM MOVING
INTO WESTERN FOND DU LAC COUNTY. THIS STORM WAS MOVING SOUTHEAST
AT 25 MPH. LARGE HAIL IS LIKELY WITH THIS STORM.  MARKESAN REPORTED
3/4 INCH HAIL AT 815 PM WITH THIS STORM.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND
DANGEROUS LIGHTNING. LOCALLY HEAVY RAINFALL FROM A SEVERE
IF THREATENING WEATHER APPROACHES...SEEK SAFE SHELTER.

HENTZ

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 19, 5:33 PM CDT, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
535 PM CDT THU JUN 19 1986

...STRONG THUNDERSTORM IN CENTRAL WISCONSIN...

AT 530 PM WEATHER RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING
RAPIDLY OVER CENTRAL WISCONSIN. ONE WAS 10 MILES SOUTH OF WAUSAU
WHILE ANOTHER WAS 35 MILES SOUTHWEST OF WAUSAU NEAR SPENCER.

THESE THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAINS GUSTY WINDS AND
SOME HAIL. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH.

OTHER THUNDERSTORMS WERE DEVELOPING OVER CENTRAL AND EAST CENTRAL
WISCONSIN.

PEOPLE IN CENTRAL WISCONSIN SHOULD MONITOR THE DEVELOPMENT OF THESE
STORMS FOR THE POSSIBLILITY OF LARGE HAIL AND DAMAGAGING WINDS.
A SEVERE THUNDERSTORM lWATCH IS IN EFFECT FOR PARTS OF CENTRAL AND
SOUTHERN WISCONSIN TIL 10 PM.

HENTZ
Special weather statement, Jun 19, 5:59 PM CDT, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
600 PM CDT THU JUN 19 1986

...STRONG THUNDERSTORM IN EAST CENTRAL AND SOUTHEAST WISCONSIN...

AT 555 PM WEATHER RADAR INDICATED STRONG THUNDERSTORMS OVER EAST
CENTRAL AND SOUTHEAST WISCONSIN. ONE AREA WAS ENTERING FOND DU LAC
COUNTY 25 MILES SOUTHWEST OF OSHKOSH JUST NORTHEAST OF RIPON. THESE
THUNDERSTORMS THEN EXTENDED BACK TOWARD WAUTOMA..

ANOTHER AREA OF THUNDERSTORMS WERE TO THE NORTHWEST OF PORT WASHINGTON
AND JUST WEST OF SHEBOYGAN.

THESE THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAINS GUSTY WINDS AND
SOME HAIL. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH.

OTHER STRONG THUNDERSTORMS WERE OVER CENTRAL WISCONSIN 25 MILES
SOUTHWEST OF WAUSAU IN NORTHERN WOOD COUNTY.
^

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM FOR PARTS
OF SOUTH AND CENTRAL WISCONSIN. PEOPLE IN THESE AREAS SHOULD
BE ON THE LOOK OUT FOR THUNDERSTORMS PRODUCING LARGE HAIL AND
DAMAGING WINDS.

HENTZ
Special weather statement, Jun 19, 6:19 PM CDT, 2 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
620 PM CDT THU JUN 19 1986

...STRONG THUNDERSTORMS IN CENTRAL WISCONSIN...

AT 620 PM WEATHER RADAR INDICATED STRONG THUNDERSTORMS OVER CENTRAL
WISCONSIN JUST NORTH OF STEVENS POINT AND JUST MOVING OUT OF THE
MARSHFIELD AREA. MARSHFIELD REPORTED PEA SIZED HAIL AND WINDS OF
UP TO 45 MPH AT 615 PM.

THESE THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAINS GUSTY WINDS AND
SOME HAIL. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH.

OTHER STRONG THUNDERSTORMS WERE OVER EAST CENTRAL WISCONSIN IN THE
RIPON AREA AND JUST SOUTHWEST OF SHEBOYGAN.
^
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM FOR PARTS
OF SOUTH AND CENTRAL WISCONSIN. PEOPLE IN THESE AREAS SHOULD
BE ON THE LOOK OUT FOR THUNDERSTORMS PRODUCING LARGE HAIL AND
DAMAGING WINDS.

HENTZ
Special weather statement, Jun 19, 6:59 PM CDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
655 PM CDT THU JUN 19 1986

...SEVERE THUNDERSTORM WATCH UNTIL 10 PM CDT FOR PARTS OF CENTRAL AND
   EASTERN WISCONSIN...

AT 650 PM...A CLUSTER OF STRONG THUNDERSTORMS WERE LOCATED FROM AROUND
THE WEST BEND AREA IN WASHINGTON COUNTY EAST TO PORT WASHINGTON IN
OZAUKEE COUNTY. THESE STORMS WERE JUST NORTH OF MILWAUKEE COUNTY.  IN
ADDITION..STORMS APPEARED TO BE DEVELOPING SOUTH ALONG LAKE MICHIGAN
JUST NORTHEAST OF THE CITY OF MILWAUKEE.

RADAR SHOWED THE STORMS MOVING SOUTHEAST AT 25 TO 30 MPH.

HEAVY DOWNPOURS..FREQUENT AND DANGEROUS LIGHTNING STRIKES..GUSTY
WINDS AND SOME HAIL WILL BE POSSIBLE WITH THESE STORMS ACROSS PARTS OF
WASHINGTON AND OZAUKEE COUNTIES THROUGH 8 PM CDT.

THUNDERSTORMS MAY DEVELOP ACROSS PARTS OF MILWAUKEE COUNTY THROUGH
9 PM CDT.
^
STUREY
Special weather statement, Jun 19, 8:09 PM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
810 PM CDT THU JUN 19 1986

STRONG THUNDERSTORMS WERE DEVELOPING OVER NORTHERN MILWAUKEE COUNTY...

AT 805 PM WEATHER RADAR INDICATED STRONG THUNDERSTORMS DEVELOPING
OVER NORTHERN MILWAUKEE COUNTY. TIMMERMAN AIRPORT ON THE NORTHWEST
SIDE OF MILWAUKEE REPORTED HEAVY RAIN AND HALF INCH HAIL.

RADAR SHOWED THE STORMS MOVING SOUTHEAST AT 25 MPH.

HEAVY DOWNPOURS..DANGEROUS LIGHTNING STRIKES..HAIL AND GUSTY WINDS
CAN BE EXPECTED FROM THIS STORM.

A SEVERE THUNDERSTORM WATCH CONTINUES FOR PARTS OF SOUTH AND CENTRAL
WISCONSIN UNTIL 10 PM.  PEOPLE SHOULD CONTINUE TO MONITOR THE WEATHER
SITUATION FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS.

HENTZ
Special weather statement, Jun 19, 8:19 PM CDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
815 PM CDT THU JUN 19 1986

...SEVERE THUNDERSTORM WATCH UNTIL 10 PM CDT FOR PARTS OF CENTRAL AND
   EASTERN WISCONSIN...

AT 810 PM...CLUSTERS OF THUNDERSTORMS WERE LOCATED IN A LARGE AREA FROM
SOUTHEAST WISCONSIN..NEAR MILWAUKEE BACK TO THE NORTHWEST THROUGH
CENTRAL WISCONSIN SOUTH OF WAASAU..THEN FURTHER NORTHWEST TO NORTHWEST
OF EAU CLAIRE.

IN THIS AREA..ONE CLUSTER OF STRONG THUNDERSTORMS WAS APPROACHING
FOND DU LAC COUNTY FROM GREEN LAKE COUNTY.  THESE STORMS WILL REACH THE
WESTERN FOND DU LAC TOWNS OF RIPON AND BRANDON TOWARD 845 PM CDT.

ANOTHER STRONG CLUSTER OF THUNDERSTORMS WAS APPROACHING CLARK COUNTY
IN CENTRAL WISCONSIN FROM CHIPPEWA COUNTY.  THESE STORMS WILL APPROACH
THE TOWNS OF STANLEY AND THORP ALSO TOWARD 845 PM CDT.
^
IN ADDITION...YET MORE STRONG STORMS WERE CONCENTRATED AROUND
THE NORTH CENTRAL WAUKESHA AREA AND NORTHERN MILWAUKEE AREA.

THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 TO 30 MPH.

THESE STORMS WILL BE CAPABLE OF BLINDING RAIN..STRONG GUSTY WINDS..
HAIL AND DANGEROUS LIGHTNING STRIKES.

PERSONS IN EASTERN AND CENTRAL WISCONSIN SHOULD REMAIN ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS THE NEXT SEVERAL HOURS.

STUREY

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.