Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 34, NWS Twin Cities, MN

June 10, 1986Barron County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 1986, 5:45 PM CDT for Barron County, Wisconsin. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jun 10, 1986, 5:45 PM CDT (22:45 UTC)
Expired
Jun 10, 1986, 6:35 PM CDT
In force
50 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Barron 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 12:00Z, 10.8 hours before the alert went out and 152 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 12:00Z on 1986-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 1986-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
11 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
86 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 KMSP 102245
SVRMSP
WIC005-102335-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
545 PM CDT TUE JUN 10 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 635 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

WEST CENTRAL WISCONSIN...BARRON

AT 535 PM CDT A SECERE THUNDERSTORM WAS INDICATED BY RADAR OVER
THE EASTERN PORTION OF POLK COUNTY SOUTHEAST OF BALSAM LAKE.
THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR
AND WILL BE EFFECTING THE CITIES OF BARRON AND RICE LAKE WHICH ARE
ABOUT 40 MILES NORTH NORTHWEST OF EAU CLAIRE.

EARLIER THIS SEVERE THUNDERSTORM RESULTED IN DOWNED TREES AND
POWER LINES OVER PORTIONS OF POLK COUNTY.

REMEMBER SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WINDS..LARGE
HAIL AND FREQUENT LIGHTNING STRIKES. ALSO SEVERE THUNDERSTORMS CAN
AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE
WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF
SAFETY IF ONE IS SPOTTED.

MILLER

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 10, 2:08 PM CDT, 3 hours 37 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
200 PM TUE CDT JUN 10 1986

AT 2 00 PM...THUNDERSTORMS WITH HEAVY TO LOCALLY INTENSE SHOWERS WERE
MOVING THRU THE TWIN CITIES METRO AREA...MAINLY AROUND THE INTERNATIONAL
AIRPORT AND FROM AROUND SAVAGE/PRIOR LAKE THRU THE BURNSVILLE/APPLE
VALLEY AREA TO ST PAUL.

OTHER THUNDERSTORMS WITH HEAVY TO VERY HEAVY RAINS WERE SCATTERED FROM
NEAR REDWOOD FALLS TO AROUND WILLMAR...AND FROM NEAR HUTCHINSON /WEST OF
THE TWIN CITIES/ TO AROUND MILLE LACS LAKE IN EAST CENTRAL MINNESOTA.
THESE THUNDERSTORMS WERE PART OF A BROADER AREA OF RAIN AND SHOWERS
THAT COVERED MOST OF MINNESOTA AND PARTS OF NORTHWEST WISCONSIN.

MOVEMENT WAS TO THE NORTHEAST AT 30 MILES AN HOUR.

TWO TO FIVE INCHES OF RAINFALL HAVE BEEN REPORTED...UP TO 2 00 PM...IN
PARTS OF CENTRAL MINNESOTA...AROUND FORT RIPLEY AND LITTLE FALLS.  WITH
THESE THUNDERSTORMS INTENSIFYING AND PRODUCING
RELATIVELY BRIEF VERY
HEAVY TO INTENSE RAINFALLS...PONDING OF WATER ON ROADS AND STREETS IS
LIKELY.  UNDERPASSES AND OTHER LOW STRETCHES ARE ESPECIALLY VULNERABLE.
DOM
Special weather statement, Jun 10, 4:58 PM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
440 PM TUE CDT JUN 10 1986

 ..THUNDERSTORMS PRODUCING HEAVY RAINS OVER EAST CENTRAL MINNESOTA..

THUNDERSTORMS CONTINUED OVER THE NORTHERN SECTIONS OF THE TWIN CITIES
METROPOLITAN AREA..MAINLY OVER CENTRAL AND EASTERN ANOKA COUNTY. THESE
THUNDERSTORMS HAVE BEEN PRODUCING VERY HEAVY RAINFALL IN A SHORT PERIOD
OF TIME AND MAY PRODUCE SOME LOCALIZED FLOODING OF STREETS AND SMALLER
STREAMS. THESE THUNDERSTORMS HAVE ALSO BEEN PRODUCING STRONG AND GUSTY
WINDS IN THESE SAME AREAS.

THE CURRENT MOVEMENT TO THE NORTHEAST AT 30 TO 35 MILES AN HOUR WILL
TAKE THESE THUNDERSTORMS THROUGH NORTHERN WASHINGTON AND SOUTHERN
CHISAGO COUNTIES BY 530 PM AND INTO THE EXTREME WESTERN WISCONSIN
COUNTIES OF POLK AND NORTHERN ST CROIX THROUGH 600PM.

AT THIS TIME NO SEVERE WEATHER HAS BEEN REPORTED BUT STRONG WINDS..
TORRENTIAL RAIN..SMALL HAIL AND FREQUENT LIGHTNING STRIKES ARE LIKELY.

OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER WIDELY SCATTERED SECTIONS
OF SOUTHERN AND CENTRAL MINNESOTA AS WEL AS NORTHWEST WISCONSIN.

MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MILES AN HOUR.
SWANBERG

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 5:09 PM CDTSevere Thunderstorm WarningMPXPolk51 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.