Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 109, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 18, 1986, 9:21 PM CDT for Clark County, Wisconsin. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- Jul 18, 1986, 9:21 PM CDT (02:21 UTC)
- Expired
- Jul 18, 1986, 10:15 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Clark 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, 2.4 hours before the alert went out and 236 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.
- Mixed-layer CAPE
- 235 J/kg
- Mixed-layer CIN
- -264 J/kg
- Mixed-layer LCL
- 1882 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 190221 SVRMKE WIC019-073-141-190315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 921 PM CDT FRI JUL 18 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF CENTRAL WISCONSIN...CLARK...MARATHON AND WOOD AT 920 PM WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM NEAR WAUSAU TO NORTHWEST OF MARSHFIELD INTO SOUTHERN CLARK COUNTY NEAR NEILLSVILLE. WINDS TO 60 MPH WERE REPORTED IN LINDSEY IN EXTREME WESTERN WOOD COUNTY NEAR THE CLARK WOOD COUNTY LINE. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.a 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 18, 7:12 PM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 710 PM CDT FRI JUL 18 1986 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS CANCELLED THE SEVERE THUNDERSTORM WARNING THAT AD BEEN IN EFFECT FOR CHICAGO COUNTY OF EAST CENTRAL MINNESOTA AND POLK COUNTY OF WEST CENTRAL WISCONSIN. THE STRONG THUNDERSTORM ACTIVITY HAS DECREASED IN INTENSITY OR MOVED OUT OF THOSE COUNTIES. HOWEVER VERY STRONG THUNDERSTORMS ARE STILL LOACTED IN BARRON AND RUSK COUNTIES OF WISCONSIN AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 720 PM FOR THOSE COUNITES. RICHARDSON CAN LEAD TO HEAT EXHAUSTION OR POSSIBLE HEAT STROKE. WILLIS
Special weather statement, Jul 18, 7:13 PM CDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN 710 PM CDT FRI JUL 18 1986 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS CANCELLED THE SEVERE THUNDERSTORM WARNING THAT AD BEEN IN EFFECT FOR CHICAGO COUNTY OF EAST CENTRAL MINNESOTA AND POLK COUNTY OF WEST CENTRAL WISCONSIN. THE STRONG THUNDERSTORM ACTIVITY HAS DECREASED IN INTENSITY OR MOVED OUT OF THOSE COUNTIES. HOWEVER VERY STRONG THUNDERSTORMS ARE STILL LOACTED IN BARRON AND RUSK COUNTIES OF WISCONSIN AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 720 PM FOR THOSE COUNITES. RICHARDSON
Special weather statement, Jul 18, 7:20 PM CDT, 2 hours 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST CLOUD MN 720 PM CDT FRI JUL 19 1986. ...SEVERE THUNDERSTORM WATCH FOR EAST CENTRAL MINNESOTA UNTIL 10 PM CDT... ...SEVERE THUNDERSTORM WARNING FOR CHIPPEWA COUNTY HAS BEEN CANCELED AT 720 PM CDT. AT 658 PM CDT WEATHER SPOTTER REPORTED CHICKEN EGG SIZE HAIL IN EASTERN CHIPPEA COUNTY 15 MILES WEST OF WILLMAR. RUBIN/DEVOE
Special weather statement, Jul 18, 8:09 PM CDT, 1 hour 12 minutes before
WWUS9 KMKC 190104
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST. PAUL MN
810 PM CDT FRI JUL 18 1986
THE NATIONAL SEVERE STORMS FORECAST CENTER HAS CANCELLED
SEVERE THUNDERSTORM WATCH NUMBER 388 ISSUED AT
143 PM CDT FOR
PORTIONS OF EAST CENTRAL AND EASTERN SOUTH DAKOTA
PORTIONS OF SOUTHWEST AND CENTRAL MINNESOTA
IN ADDITION..SEVERE THUNDERSTORM WATCH NUMBER 391 HAS BEEN
CANCELLED FOR ALL MINNESOTA COUNTIES.
TOGSTADLocal storm report, Jul 18, 8:41 PM CDT, 40 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
730 PM CDT TUE JUL 15 1986
...ATTN SELS A MSP...
TIMES IN CDT
450 PM TORNADO TOUCHDOWN AT 85TH AND NOBLE IN BROOKLYN PARK..HENNEPIN
COUNTY. 8 HOMES DAMAGED IN BROOKLYN PARK. TORNADO REMAINED ON THE
GROUND ABOUT A HALF HOUR FINALLY LIFTING OFF THE GROUND IN SPRING
LAKE PARK IN SOUTHERN ANOKA COUNTY. IT APPEARED TO SKIP SEVERAL
TIMES DURING ITS PATH. NO DEATHS OR SERIOUS INJURIES HAVE BEEN
REPORTED TO THE NATIONAL WEATHER SERVICE. THERE WAS A LOT OF TREE
DAMAGE AS WELL AS DAMAGE TO POWER LINES.
533PM ANOTHER BRIEF TOUCHDOWN IN THE BLAINE AREA AT HIGHWAY 65 AND
99TH AVE. SOUTHERN ANOKA COUNTY. NO INJURY OR DAMAGE REPORTED.
NUMEROUS FUNNEL CLOUDS WERE ALSO REPORTED ACROSS THE NORTHERN
TWIN CITIES METRO AREA ROUGHLY FROM THE TIME OF THE FIRST
TORNADO SIGHTING UNTIL AROUND 6PM.
605PM GOLFBALL HAIL IN SPRING LAKE PARK IN SOUTHERN ANOKA COUNTY
622PM MARBLE HAIL IN TURTLE LAKE..BARRON COUNTY WISCONSIN
645 PM POSSIBLE TORNADO NEAR LADYSMITH IN RUSK COUNTY WISCONSIN.
SOME TREES WERE UPROOTED AS WELL AS LARGE BRACHES RIPPED
OFF TREE&S.
700 TO 705 PM DEFINITE FUNNEL..POSSIBLE TORNADO NEAR POSKIN IN BARRON
COUNTY WISCONSIN. REPORTED BY THE PUBLIC.
PAULSONLocal storm report, Jul 18, 9:04 PM CDT, 17 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MINNEAPOLIS/ST PAUL MN
900 PM CDT TUE JUL 15 1986
...ATTN SELS A MSP...
TIMES IN CDT
540 PM GOLF BALL SIZE HAIL IN HUGO..NORTH WASHINGTON COUNTY.
9RICHARDSONThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 1:32 AM CDT | Severe Thunderstorm Warning | MPX | Polk, Saint Croix | 58 min |
| Jul 19, 2:33 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn | 57 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.