Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 162, NWS Twin Cities, MN

August 16, 1986Dunn County, Wisconsin

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 16, 1986, 7:21 PM CDT for Dunn County, Wisconsin. It was in force for 54 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
Aug 16, 1986, 7:21 PM CDT (00:21 UTC)
Expired
Aug 16, 1986, 8:15 PM CDT
In force
54 min
Issued by
NWS Twin Cities, MN
Area
Whole counties

County Dunn 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
Aug 16, 7:23 PM CDTHail 1.75Dunn, 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

Minneapolis, MN (KSTC), launched 00:00Z, 0.4 hours before the alert went out and 135 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 1986-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 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 1986-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3000 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
123 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 170021 RRA
SVRMSP
WIC033-170115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN
721 PM CDT SAT AUG 16 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

WEST CENTRAL WISCONSIN...DUNN

AT 718 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR OVER
WEST CENTRAL DUNN COUNTY OF WEST CENTRAL WISCONSIN.  THIS STORM
WAS MOVING TO THE EAST AT 10 TO 15 MILES AN HOUR.  THE STORM WAS
LOCATED ABOUT 15 MILES NORTHWEST OF MENOMONIE.  CITIES INCLUDED

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, Aug 16, 5:17 PM CDT, 2 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
510 PM CDT SAT AUG 16 1986

...STRONG THUNDERSTORMS DEVELOPING OVER CENTRAL WISCONSIN.

NATIONAL WEATHER SERVICE RADAR IN MINNEPOLIS SHOWED AN AREA
OF RAPIDILY DEVELOPING THUNDERSTORMS OVER CENTRAL WISCONSIN NORTH
OF EAU CLAIRE.  THE STRONGEST THUNDERSTORMS WERE MOVING EAST THROUGH
RUSK COUNTY AND WERE LOCATED EAST OF LADYSMITH IN THE INGRAM..
HAWKINS AREA.

STRONG THUNDERSTORMS ALSO WERE DEVELOPING IN SAWYER COUNTY AND
INTO PRICE COUNTY OF CENTRAL COUNTY.

ALL THUNDERSTORMS WERE MOVING EAST AT 25 TO 30 MPH.

REMEMBER THAT A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF
WESTERNNAND CENTRAL WISCONIN UNTILh 11PM THIS EVENING.
<
NATIONAL WEATHER SERVICE RADAR ALSO INDICATED SCATTERED SHOWERS AND
THUNDERSTORMS BEGINNING TO DEVELOP IN SOUTHWEST MINNESOTA.
PAULSON
Special weather statement, Aug 16, 5:21 PM CDT, 2 hours before
SPECIAL WEATHER STATEMENT..CORRECTION FOR SECOND PARAGRAPH LAST WORD
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
510 PM CDT SAT AUG 16 1986

...STRONG THUNDERSTORMS DEVELOPING OVER CENTRAL WISCONSIN.

NATIONAL WEATHER SERVICE RADAR IN MINNEPOLIS SHOWED AN AREA
OF RAPIDILY DEVELOPING THUNDERSTORMS OVER CENTRAL WISCONSIN NORTH
OF EAU CLAIRE.  THE STRONGEST THUNDERSTORMS WERE MOVING EAST THROUGH
RUSK COUNTY AND WERE LOCATED EAST OF LADYSMITH IN THE INGRAM..
HAWKINS AREA.

STRONG THUNDERSTORMS ALSO WERE DEVELOPING IN SAWYER COUNTY AND
INTO PRICE COUNTY OF CENTRAL WISCONISN.

ALL THUNDERSTORMS WERE MOVING EAST AT 25 TO 30 MPH.

REMEMBER THAT A SEVERE THUNDERSTORM WATCH IS IN EFFEClT FOR MUCH OF
WESTERNNAND CENTRAL WISCONIN UNTIL 11PM THIS EVENING.
<
NATIONAL WEATHER SERVICE RADAR ALSO INDICATED SCATTERED SHOWERS AND
THUNDERSTORMS BEGINNING TO DEVELOP IN SOUTHWEST MINNESOTA.
PAULSON
Special weather statement, Aug 16, 6:14 PM CDT, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
610 PM CDT SAT AUG 16 1986

...STRONG THUNDERSTORMS DEVELOPING OVER SOUTHERN MINNESOTA AND
INTO NORTHERN AND WESTERN WISCONSIN.

NATIONAL WEATHER SERVICE RADAR IN MINNEPOLIS SHOWED A LINE OF
THUNDERSTORMS DEVELOPING ACROSS CENTRAL WISCONSIN IN THE LADYSMITH..
EAU CLAIRE AREA THEN WEST INTO THE NORTHERN SECTIONS OF
THE TWIN CITIES. A STRONG THUNDERSTORM WAS ALSO LOCATED IN SOUTHWEST
MINNESOTA NEAR MARSHALL.  THE THUNDERSTORMS WERE DEVELOPING NEAR
A COLDFRONT SAGGING SOUTH ACROSS CENTRAL WISCONSIN THROUGH SOUTHERN
MINNESOTA.  THE FRONT AT 600PM HAD JUST PASSED THE INTERNATIONAL AIPORT
IN THE TWIN CITIES.

SOME OF THE STRONGER THUNDERSTORM DEVELOPMENT WAS IN THE ST CROIX
FALLS..FOREST LAKE AREA OF EASTCENTRAL MINNESOTA IN NORTHERN
WASHINGTON AND SOUTHERN CHISAGO COUNTIES.  THESE THUNDERSTORMS SHOULD
MOVE INTO POLK AND ST CROIX COUNTIES OF WISCONSIN BY 630PM.
THE GENERAL MOVEMENT OF THESE THUNDERSTORMS WAS EAST AT 15 TO
20 MPH.

PERSONS IN SOUTHERN MINNESOTA AS WELL AS INTO WESTERN WISCONSIN
SHOULD BE ALERT FOR THE POSSIBILITY OF SEVERE WEATHER THIS EVENING.
PAULSON
Special weather statement, Aug 16, 6:53 PM CDT, 28 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
645 PM CDT SAT AUG 16 1986

...STRONG THUNDERSTORMS DEVELOPING OVER SOUTHERN MINNESOTA AND
INTO NORTHERN AND WESTERN WISCONSIN.

NATIONAL WEATHER SERVICE RADAR IN MINNEPOLIS SHOWED A LINE OF
THUNDERSTORMS DEVELOPING ACROSS CENTRAL AND NORTHERN WISCONSIN AND INTO
SOUTHERN MINNESOTA.  AT 640 PM THE STRONGEST STORMS RAN IN A LINE FROM
NEAR CHIPPEWA FALLS IN CHIPPEWA COUNTY WISCONSIN TO WHEELER IN NORTHRN
DUNN COUNTY WISCONIN THEN INTO THE SOUTHERN METRO AREA OF THE TWIN
CITIES.   ANOTHER STRONG THUNDERSTORM REMAINED OVER SOUTHWEST MINESOTA
GENERALLY IN THE MARSHALL AREA.

THE STRONGEST THUNDERSTORMS IN THE TWIN CITIES RAN ACROSS NORTHERN
SCOTT..NORTHERN DAKOTA..AND INTO SOUTHERN WASHNGTON COUNTIES.
THIS LINE OF THUNDERSTORMS WILL SAG SOUTH THROUGH THESE COUNTIES
DURING THE EARLY EVENING.  OTHER THUNDERSTORMS WERE BEGINNING TO
DEVELOP INTO SOUTHERN CARVER COUNTY.  SOME OF THE CITIES IN THESE
COUNTIES THAT WILL BE AFFECTED BY THESE THUNDERSTORMS BY 730
PM ARE...PRIOR LAKE..JORDAN..HASTINGS..ROSEMOUNT..AND COTTAGE
GROVE.

THE GENERAL MOVEMENT OF THESE THUNDERSTORMS WAS EAST AT 15 TO
20 MPH.

PERSONS IN SOUTHERN MINNESOTA AS WELL AS INTO WESTERN WISCONSIN
SHOULD BE ALERT FOR THE POSSIBILITY OF SEVERE WEATHER THIS EVENING.
PAULSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 8:46 PM CDTSevere Thunderstorm WarningMPXSaint Croix54 min
Aug 17, 1:59 AM CDTSevere Thunderstorm WarningMPXPierce61 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.