Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 20, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 15, 1986, 4:34 PM CDT for Dodge County, Wisconsin. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1986, 4:34 PM CDT (21:34 UTC)
- Expired
- Jul 15, 1986, 5:00 PM CDT
- In force
- 26 min
- Issued by
- NWS Milwaukee, WI
- Area
- Whole counties
County Dodge 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
Peoria Regional, IL (KPIA), launched 12:00Z, 9.6 hours before the alert went out and 314 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
- 1217 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 992 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMKE 152134 SVRMKE WIC027-152200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MILWAUKEE WI 434 PM CDT TUE JUL 15 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHEAST WISCONSIN...DODGE INTENSE THUNDERSTORMS CONTINUE TO RUMBLE THROUGH DODGE COUNTY. THE LINE OF THUNDERSTORMS EXTENDS FROM 20 MILES EAST OF FOX LAKE ...29 MILES SOUTHWEST OF OSKOSH TO 20 MILES EAST OF COLUMBUS IN COLUMBUS COUNTY. THIS EXTENDS THE PREVIOUS WARNING ISSUED FOR DODGE COUNTY. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. TORNADOES CAN ALSO DEVELOP FROM SEVERE THUNDERSTORMS. IF THREATENING WEATHER APPROACHES...TAKE SHELTER IMMEDIATELY. MORRIS
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 15, 1:13 PM CDT, 3 hours 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
110 PM CDT TUE JUL 15 1986
...TORNADO WATCH NUMBER 378...
A TORNADO WATCH IS IN EFFECT FROM MUCH OF THE SOUTH HALF OF WISCONSIN
THROUGH 7PM THIS EVENING. AT 110PM..THUNDERSTORMS WERE MOVING INTO
WEST CENTRAL WISCONSIN AROUND EAU CLAIRE AND WILL BE DEVELOPING SHORTLY
IN THE LA CROSSE/LONE ROCK AREAS OF SOUTHWEST WISCONSIN.
THUNDERSTORMS WITH POSSIBLE ASSOCIATED SEVERE WEATHER WILL NOT AFFECT
THE MADISON/JANESVILLE AREA OF SOUTH CENTRAL WISCONSIN TILL AT LEAST 3PM
AND PROBABLY NOT DEVELOP IN THE SHEBOYGAN..MILWAUKEE..RACINE AND KENOSHA
METRO AREAS OF SOUTHEAST WISCONSIN TILL AROUND 4 OR 5PM THIS AFTERNOON.
DRAGSpecial weather statement, Jul 15, 2:04 PM CDT, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 200PM CDT TUE JUL 15 1986 ....TORNADO WATCH 378 IN EFFECT UNTIL 7PM CDT THIS EVENING.... AT 150PM CDT A PAIR OF HEAVY THUNDERSTORMS WERE LOCATED 5 MILES AND 10 MILES NORTHEAST OF MILLSTON WISCONSIN...OR 35 TO 45 MILES SOUTHWEST OF WAUSAU WISCONSIN. THESE STORMS WERE MOVING TOWARDS THE SOUTHEAST AT 25 MPH...AND COULD ARRIVE IN THE NECEDAH...MAUSTON...AND ADAMS AREA BY 245PM CDT. NO9 SEVERE WEATHER HAS BEEN REPORTED AS YET WITH THESE STORMS...HOWEVER IF THREATENING WEATHER APPROACHES SEEK SHELTER IMMEDATELY AND REPORT IT TO YOUR LOCAL LAW ENFORCEMENT OFFICE. STIMACH
Special weather statement, Jul 15, 2:07 PM CDT, 2 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 205 PM CDT TUE JUL 15 1986 ...TORNADO WATCH NUMBER 378 IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN WISCONSIN UNTIL 700 PM CDT THIS EVENING... AT 200 PM CDT..WEATHER RADAR INDICATED STRONG THUNDERSTORMS WERE MOVING THROUGH FAR WESTERN WISCONSIN. THESE STORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR AND WERE JUST NORTH OF A STRONG WARM FRONT. BASED ON THIS MOVEMENT..STRONG THUNDERSTORMS ARE EXPECTED TO PUSH INTO WEST CENTRAL WISCONSIN. THESE STORMS WILL PUSH INTO CLARK COUNTY BY 215 PM CDT AND INTO WOOD..MARATHON..AND PORTAGE COUNTIES BETWEEN 245 AND 315 PM CDT. AT 200 PM CDT..THE SHERIFFS OFFICE IN BUFFALO COUNTY REPORTED DOWNED POWER LINES AND UPROOTED TREES NEAR MONDOVI..7 MILES NORTH OF LA CROSSE ..DUE TO STRONG WINDS FROM THESE STORMS. < PERSONS IN WEST CENTRAL WISCONSIN SHOULD KEEP ABREAST OF THE LATEST WEATHER CONDITIONS AND TAKE NECESSARY PRECAUTIONS AG>AINST DAMAGE FROM POSSIBLE DAMAGING THUNDERSTORM WINDS. THESE STORMS MAY ALSO CONTAIN HEAVY RAIN..HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES...GO TO SAFE SHELTER IMMEDIATELY. MORRIS
Special weather statement, Jul 15, 2:28 PM CDT, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MADISON WI 225PM CDT TUE JUL 15 1986 ....TORNADO WATCH 378 IN EFFECT UNTIL 7PM CDT THIS EVENING.... AT 220PM CDT TWO AREAS OF VERY HEAVY THUNDERSTORMS WERE LOCATED IN WEST ..CENTRAL WISCONSIN. ONE WAS 5 MILES NORTHEAST OF SPARTA...OR 15 MILES NORTHEAST OF LA CROSSE. AND THE OTHER WAS 10 MILES NORTHWEST OF WISCONSIN RAPIDS. THE SPARTA THUNDERSTORMS HAD REPORTED WITHIN THE PAST HOUR 60-70 MPH WINDS...AND IS MOVING TOWARDS THE EAST..SOUTHEAST AT 35 MPH...OR TOWARDS THE CITIES OF NECEDAH..NEW LISBON AND MAUSTON. THESE STORMS SHOULD BE IN THE COUNTIES OF JUNEAU AND ADAMS BY 330PM CDT THIS AFTERNOON. IF THREATENING WEATHER APPROACHESN...SEEK SHELTER IMMEDATELY...AND RELAY YOUR INFORMATION TO YOUR LOCAL LAW ENFORCEMENT OFFICE AS SOON AS YOU CAN. STIMACH
Special weather statement, Jul 15, 2:55 PM CDT, 1 hour 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 250 PM CDT TUE JUL 15 1986 ...TORNADO WATCH NUMBER 378 IN EFFECT FOR MUCH OF CENTRAL AND SOUTHERN WISCONSIN UNTIL 700 PM CDT THIS EVENING... AT 245 PM CDT..WEATHER RADAR INDICATED INTENSE THUNDERSTORMS 75 NORTH OF MADISON TO 40 EAST SOUTHEAST OF LA CROSSE FROM NECEEDAH AND NEW LISBON IN JUNEAU COUNTY TO HILLSBORO IN VERNON COUNTY. THESE STORM WERE MOVING TO EAST AT 40 TO 50 MPH AND ARE EXPECTED TO MOVE INTO FOND DU LAC AND DODGE COUNTY BETWEEN 400 PM AND 430 PM CDT AND INTO JEFFERSON COUNTY AROUND 500 PM. DAMAGING WINDS WERE REPORTED WITH THESE STORMS WHEN THEY MOVED THROUGH WEST CENTRAL COUNTIES OF BUFFALO..TREMPELEAU AND JACKSON...BETWEEN 130 PM AND 230 PM CDT. < PERSONS IN SOUTERN AND CENTRAL WISCONSIN SHOULD KEEP ABREAST OF THE LATEST WEATHER CONDITIONS AND TAKE NECESSARY PRECAUTIONS AGAINST DAMAGE FROM POSSIBLE DAMAGING THUNDERSTORM WINDS. THESE STORMS aMAY ALSO CONTAIN HEAVY RAIN..HAIL AND DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES...GO TO SAFE SHELTER IMMEDIATELY. SCAFFIDI/MORRIS
Special weather statement, Jul 15, 4:01 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE WI 400 PM CDT TUE JUL 15 1986 ...TORNADO WATCH NUMBER 378 PARTIAL CANCELLATION NORTH CENTRAL AND WEST CENTRAL WISCONSIN... AS OF 4PM..TORNADO WATCH NUMBER 378 IS NO LONGER IN EFFECT FROM ROUGHLY LA CROSSE TO ABOUT 40 MILES WEST NORTHWEST OF OSHKOSH. THEREFORE.. THE WATCH NO LONGER IS IN EFFECT IN THE EAU CLAIRE AREA. THE FOLLOWING ZONES HAVE BEEN CLEARED OF THE TORNADO WATCH..ZONES 6 AND 7..ALL OF 10 EXCEPT LA CROSSE AND MONROE COUNTIES. TORNADO WATCH NUMBER 378 STILL COVERS A LARGE PORTION OF THE SOUTHEAST THIRD OF WISCONSIN TIL 7PM. DRAG
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 4:00 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac | 30 min |
| Jul 15, 4:27 PM CDT | Tornado Warning | MKX | Fond du Lac | 33 min |
| Jul 15, 4:55 PM CDT | Severe Thunderstorm Warning | MKX | Sheboygan | 50 min |
| Jul 15, 5:07 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee, Washington | 38 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.