Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 32, NWS Milwaukee, WI

July 24, 1986Langlade County, Marathon County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 24, 1986, 4:19 PM CDT for Langlade County, Marathon County, Wisconsin. It was in force for 41 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 24, 1986, 4:19 PM CDT (21:19 UTC)
Expired
Jul 24, 1986, 5:00 PM CDT
In force
41 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

Counties Langlade County, WI, Marathon County, WI

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 24, 4:30 PM CDTThunderstorm Wind 0Langlade, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.3 hours before the alert went out and 123 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 1986-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1209 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 1986-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939Sfc1 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
1209 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
23 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 242119
SVRMKE
WIC067-073-242215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE WI
419 PM CDT THU JUL 24 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTH CENTRAL WISCONSIN...LANGLADE AND MARATHON

AT 415 PM WEATHER RADAR INDICTED A LINE OF DANGEROUS THUNDERSTORMS
DEVELOPING IN LANGLADE AND MARATHON COUNTY. THE LINE OF THUNDER
STORMS EXTEDED FROM NEAR WAUSAU TO WESTERN LANGLADE COUNTY
NEAR AND NORTH OF ANTIGO. OTHER THUNDERSTORMS WERE DEVELOPING
SOUTHWEST OF WAUSAU.

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

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, Jul 24, 1:46 PM CDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
145 PM CDT THU JULY 24 1986

...THUNDERSTORMS ARE DEVELOPING ACROSS NORTHWEST WISCONSIN...

A LINE OF STRONG THUNDERSTORMS HAS DEVELOPED IN NORTHWEST WISCONSIN.
THE LINE EXTENDS FROM IRONWOOD MICHIGAN TO ABOUT 25 MILES NORTH OF
MINNEAPOLIS MINNESOTA. THE STRONGEST STORMS ARE BETWEEN PARK FALLS
IN NORTHERN PRICE COUNTY...70 MILES NORTHWEST OF WAUSAU...AND RICE
LAKE IN EASTERN BARRON COUNTY...40 MILES NORTHWEST OF EAU CLAIRE.
MOVEMENT OF THE ENTIRE LINE OF STORMS WERE TO THE EAST AT 35 MILES
AN HOUR.

HEAVY RAIN...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING ARE
POSSIBLE WITH THESE STORMS.

PERSONS IN THE PATH OF THIS LINE OF DSTORMS AND GENERALLY EVERYONE IN
NORTH CENTRAL WISCONSIN SHOULD KEEP AN EYE TO THE SKY FOR RAPIDLY
CHANGING WEATHER CONDITIONS. BE PREPARED TO TAKE SHELTER SHOULD
THREATENING WEATHER APPROACH.

MORRIS
Special weather statement, Jul 24, 3:13 PM CDT, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
310 PM CDT THU JULY 24 1986

...THUNDERSTORMS CONTINUE TO MOVE ACROSS NORTHERN WISCONSIN...

A LINE OF THUNDERSTORMS CONTINUES TO DEVELOP OVER NORTHERN
WISCONSIN AND ARE NOW MOVING INTO NORTH CENTRAL WISCONSIN. THE
LINE EXTENDS FROM JUST EAST OF LAC DU FLAMBEAU IN SOUTHWEST VILAS
COUNTY...65 MILES NORTH OF WAUSAU TO 25 MILES SOUTHWEST OF EAU
CLAIRE. MOVEMENT OF THE ENTIRE LINE OF STORMS WAS TO THE EAST AT
35 MILES AN HOUR.

LAW ENFORCEMENT OFFICIALS IN ONIEDA COUNTY REPORTED WINDS GUSTING TO
45 MILES AN HOUR IN MINOCQUA...56 MILES NORTH OF WAUSAU...SHORTLY
BEFORE 3 PM CDT AS ONE OF THESE STORMS MOVED THROUGH THE AREA.

HEAVY RAINS...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING ARE
A CONTINUING POSSIBILITY WITH THESE STORMS.
<
PERSONS IN THE PATH OF THESE STORMS SHOULD KEEP AN EYE TO THE SKY
FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE
SHELTER SHOULD THREATENING WEATHER APPROACH.

MORRIS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 3:31 PM CDTSevere Thunderstorm WarningMKXFlorence, Forest59 min
Jul 24, 3:31 PM CDTSevere Thunderstorm WarningMKXOneida, Vilas59 min
Jul 24, 4:37 PM CDTSevere Thunderstorm WarningMKXClark, Wood53 min
Jul 24, 4:50 PM CDTSevere Thunderstorm WarningMKXPortage55 min
Jul 24, 5:30 PM CDTSevere Thunderstorm WarningMKXDodge, Washington60 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.