Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 7, NWS La Crosse, WI

June 26, 1986La Crosse County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 26, 1986, 9:08 PM CDT for La Crosse County, Wisconsin. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jun 26, 1986, 9:08 PM CDT (02:08 UTC)
Expired
Jun 26, 1986, 9:57 PM CDT
In force
49 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County La Crosse 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

Minneapolis, MN (KSTC), launched 00:00Z, 2.1 hours before the alert went out and 224 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, Minneapolis, MN at 00:00Z on 1986-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2040 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, Minneapolis, MN at 00:00Z on 1986-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
2040 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1362 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.4
Supercell composite
6.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSN 270208
SVRMSN
WIC063-081-270300-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1000 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

WEST CENTRAL WISCONSIN...EASTERN LA CROSSE AND MONROE

AT 9 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES EAST OF
LACROSSE MOVING TO TH,E EAST AT 35 MPH.

IF THREATENING WEATHER APPROACHES YOU..BE ALERT FOR DAMAGING WINDS..
LARGE HAIL..AND DANGEROUS LIGHTNING. STAY TUNED TO NOAA WEATHER
RADIO...YOUR LOCAL RADIO OR TELEVISION FOR FURTHER INFORMATION.

 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 26, 3:55 PM CDT, 5 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
355 PM CDT THU JUN 26 1986

...ISOLATED STRONG THUNDERSTORMS NORTH OF LA CROSSE...

AT 355 PM CDT..AN ISOLATED CLUSTER OF STRONG THUNDERSTORMS WAS
LOCATED 15 TO 40 MILES NORTH OF LA CROSSE BETWEEN BLACK RIVER FALLS..
GALESVILLE..AND EAU CLAIRE WISCONSIN.

THE STRONGEST STORM WAS LOCATED 20 MILES NORTH OF LA CROSSE NEAR
MELROSE WISCONSIN.

THESE STRONG STORMS WERE MOVING EAST AT 30 MILES PER HOUR AND WILL
AFFECT COMMUNITIES NORTH OF LA CROSSE BETWEEN 400 AND 530 PM CDT.

THESE STORMS WILL PROBABLY PRODUCE HEAVY RAIN..DANGEROUS LIGHTNING..
WINDS GUSTS AROUND 40 MILES PER HOUR AND POSSIBLY MARBLE SIZE HAIL.

PEOPLE IN THE LA CROSSE TRI STATE AREA..ESPECIALLY CAMPERS AND
BOATERS..SHOULD BE SAFE AND GO INDOORS IF THESE STORMS AFFECT YOUR
AREA.

STAY TUNED TO RADIO..TELEVISION..OR WEATHER RADIO FOR THE LATEST
INFORMATION.

THOMPSON
Special weather statement, Jun 26, 4:45 PM CDT, 4 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
445 PM CDT THU JUN 26 1986

...ISOLATED STRONG THUNDERSTORMS NORTH OF LA CROSSE...

AT 445 PM CDT..AN ISOLATED CLUSTER OF STRONG THUNDERSTORMS WAS
LOCATED 25 TO 40 MILES NORTH OF LA CROSSE BETWEEN BLACK RIVER FALLS..
MILLSTON..AND EAU CLAIRE WISCONSIN.

THE STRONGEST STORMS WERE LOCATED 35 MILES NORTH AND NORTHEAST OF
LA CROSSE NEAR MILLSTON AND WHITEHALL WISCONSIN.  MONROE COUNTY
AND JACKSON COUNTY SHERIFF REPORTED A SHORT LIVED FUNNEL CLOUD NEAR
MILLSTON WISCONSIN..35 MILES NORTHEAST OF LA CROSSE..AROUND 430 PM
CDT.  THE FUNNEL DID NOT TOUCH THE GROUND.

THESE STRONG STORMS WERE MOVING EAST AT 30 MILES PER HOUR AND WILL
AFFECT COMMUNITIES NORTH OF LA CROSSE BETWEEN 445 AND 600 PM CDT.

THESE STORMS WILL PROBABLY PRODUCE VERY HEAVY RAIN..DANGEROUS
LIGHTNING..WINDS GUSTS AROUND 40 MILES PER HOUR AND POSSIBLY MARBLE
SIZE HAIL.

PEOPLE IN THE LA CROSSE TRI STATE $AREA..ESPECIALLY CAMPERS AND
BOATERS..SHOULD BE SAFE AND GO INDOORS IF THESE STORMS AFFECT YOUR
AREA.

STAY TUNED TO RADIO..TELEVISION..OR WEATHER RADIO FOR THE LATEST
INFORMATION.

THOMPSON
Special weather statement, Jun 26, 5:05 PM CDT, 4 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
505 PM CDT THU JUN 26 1986

...ISOLATED STRONG THUNDERSTORMS NORTH OF LA CROSSE...

AT 500 PM CDT..AN ISOLATED CLUSTER OF STRONG THUNDERSTORMS WAS
LOCATED 40 MILES NORTH OF LA CROSSE AROUND BLACK RIVER FALLS
WISCONSIN.

THE STRONGEST STORM WAS LOCATED 40 MILES NORTHEAST OF LA CROSSE NEAR
BLACK RIVER FALLS WISCONSIN.

THESE STRONG STORMS WERE MOVING EAST AT 30 MILES PER HOUR AND WILL
AFFECT COMMUNITIES NORTH OF LA CROSSE AROUND THE BLACK RIVER FALLS
AREA OF JACKSON COUNTY UNTIL AROUND 600 PM CDT.

THESE STORMS WILL PROBABLY PRODUCE VERY HEAVY RAIN..DANGEROUS
LIGHTNING..WINDS GUSTS AROUND 50 MILES PER HOUR AND POSSIBLY MARBLE
SIZE HAIL.

PEOPLE IN THE LA CROSSE TRI STATE AREA..ESPECIALLY CAMPERS AND
BOATERS..SHOULD BE SAFE AND GO INDOORS IF THESE STORMS AFFECT YOUR
AREA.

STAY TUNED TO RADIO..TELEVISION..OR WEATHER RADIO FOR THE LATEST
INFORMATION.

THOMPSON<
Special weather statement, Jun 26, 5:45 PM CDT, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
545 PM CDT THU JUN 26 1986

...CLUSTER OF STRONG THUNDERSTORMS NORTHEAST OF LA CROSSE...

AT 535 PM CDT..A CLUSTER OF STRONG THUNDERSTORMS WAS
LOCATED 20 TO 50 MILES NORTHEAST OF LA CROSSE BETWEEN MELROSE..
MILLSTON..AND TOMAH WISCONSIN.

THE STRONGEST STORMS WERE LOCATED 30 TO 40 MILES NORTHEAST OF
LA CROSSE BETWEEN CATARACT AND WARRENS WISCONSIN.

THESE STRONG STORMS WERE MOVING EAST AT 30 MILES PER HOUR AND WILL
AFFECT COMMUNITIES NORTHEAST OF LA CROSSE BETWEEN CATARACT AND TOMAH
WISCONSIN BETWEEN 545 AND 645 PM CDT.

THESE STORMS WILL PROBABLY PRODUCE VERY HEAVY RAIN..DANGEROUS
LIGHTNING..WINDS GUSTS AROUND 50 MILES PER HOUR AND POSSIBLY MARBLE
SIZE HAIL.

PEOPLE IN THE LA CROSSE TRI STATE AREA..ESPECIALLY CAMPERS AND
BOATERS..SHOULD BE SAFE AND GO INDOORS IF THESE STORMS AFFECT YOUR
AREA.

STAY TUNED TO RADIO..TELEVISION..OR WEATHER RADIO FOR THE LATESTe
INFORMATION.

THOMPSON
Special weather statement, Jun 26, 6:15 PM CDT, 2 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
615 PM CDT THU JUN 26 1986

...ISOLATED STRONG THUNDERSTORMS EAST OF LA CROSSE...

AT 615 PM CDT..ISOLATED STRONG THUNDERSTORMS WERE LOCATED 20 TO 50
MILES EAST OF LA CROSSE BETWEEN CASHTON AND TOMAH WISCONSIN.

THE STRONGEST STORM WAS LOCATED 35 MILES EAST OF LA CROSSE NEAR
WILTON WISCONSIN.

THE STRONG STORMS WERE MOVING EAST AT 30 MILES PER HOUR AND WILL
AFFECT COMMUNITIES EAST OF LA CROSSE BETWEEN TOMAH AND
KENDALL WISCONSIN BETWEEN 615 AND 645 PM CDT.

THESE STORMS WILL PROBABLY PRODUCE VERY HEAVY RAIN..DANGEROUS
LIGHTNING..WINDS GUSTS AROUND 50 MILES PER HOUR AND POSSIBLY MARBLE
SIZE HAIL.

PEOPLE IN THE LA CR}OSSE TRI STATE AREA..ESPECIALLY CAMPERS AND
BOATERS..SHOULD BE SAFE AND GO INDOORS IF THESE STORMS AFFECT YOUR
AREA.

STAY TUNED TO RADIO..TELEVISION..OR WEATHER RADIO FOR THE LATEST
INFORMATION.

THOMPSON
Special weather statement, Jun 26, 6:50 PM CDT, 2 hours 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
650 PM CDT THU JUN 26 1986

...ISOLATED STRONG THUNDERSTORMS MOVING WELL EAST OF LA CROSSE...

AT 650 PM CDT..ISOLATED STRONG THUNDERSTORMS WERE LOCATED 45 TO 50
MILES EAST OF LA CROSSE NEAR KENDALL WISCONSIN.

THE STRONGEST STORM WAS LOCATED 50 MILES EAST OF LA CROSSE JUST
EAST OF KENDALL WISCONSIN.  MONROE COUNTY SHERRIFF REPORTED A FUNNEL
CLOUD BETWEEN KENDALL AND ELROY WISCONSIN AT 640 PM CDT.

THE STRONG STORMS WERE MOVING EAST AT 30 MILES PER HOUR AND WILL HAVE
MOVED AWAY FROM THE KENDALL WISCONSIN AREA BY 650 PM CDT.

EVEN THOUGH STRONG THUNDERSTORMS HAVE MOVED WELL EAST OF LA CROSSE AS
OF 650 PM CDT..PEOPLE IN THE LA CROSSE TRI STATE AREA..ESPECIALLY
CAMPERS AND BOATERS..SHOULD KEEP ALERT FOR THE POSSIBILITY OF MORE
STRONG THUNDERSTORM DURING THE NIGHT.

STAY TUNED TO RADIO..TELEVISION..OR WEATHER RADIO FOR THE LATEST
INFORMATION.

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 9:08 PM CDTSevere Thunderstorm WarningARXMonroe52 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.