Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 26, NWS Milwaukee, WI

July 18, 1986Marathon County, Wood County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 18, 1986, 9:21 PM CDT for Marathon County, Wood 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 Milwaukee, WI
Area
Whole counties

Counties Marathon County, WI, Wood 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 293 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 1986-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 235 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 1986-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.19395878Sfc1 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
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

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 4:29 PM CDT, 4 hours 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
425 PM CDT FRI JUL 18 1986

..INTENSE THUNDERSTORM BUILDING IN RUSK COUNTY OF NORTHWEST WISCONSIN.

AT 425 PM CDT...WEATHER SERVICE RADAR INDICATED A FAST DEVELOPING
THUNDERSTORM IN RUSK COUNTY..JUST TO THE WEST OF INGRAM. THIS IS
ABOUT 125 MILES NORTHEAST OF MINNEPOLIS.

THE INTENSE THUNDERSTORM WAS MOVING EAST AT 30 MPH.

IF THE STORM CONTINUES AT THE PRESENT SPEED AND DIRECTION..IT SHOULD
MOVE INTO WESTERN PRICE COUNTY BY 440 PM CDT.

THIS STORM IS CAPABLE OF PRODUCING HAIL..STRONG WINDS AND BRIEF
HEAVY DOWNPOURS. PERSONS IN THIS AREA SHOULD BE ALERT FOR THREATENING
WEATHER AND BE PREPARED TO TAKE SHELTER IF NECESSARY.

GARCIA
Special weather statement, Jul 18, 5:51 PM CDT, 3 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
545 PM CDT FRI JUL 18 1986

..SEVERE THUNDERSTORM WATCH FOR MUCH OF NORTHERN HALF WISCONSIN UNTIL
  1000 PM CDT...

AT 540 PM CDT...WEATHER SERVICE RADAR INDICATED AN AREA OF INTENSE
THUNDERSTORMS IN RUSK COUNTY..BETWEEN INGRAM AND LADYSMITH. THIS IS
ABOUT 125 MILES NORTHEAST OF MINNEPOLIS.

THE STRONGEST THUNDERSTORMS WERE MOVING EAST AT 30 MPH..BUT THE
ENTIRE AREA CONTINUES TO REDEVELOP TO THE WEST AND NORTH AND HAS
SPREAD INTO SOUTHERN SAWYER COUNTY.

THESE STORMS ARE CAPABLE OF PRODUCING HAIL..STRONG WINDS AND BRIEF
HEAVY DOWNPOURS. PERSONS IN THIS AREA SHOULD BE ALERT FOR THREATENING
WEATHER AND BE PREPARED TO TAKE SHELTER IF NECESSARY.

OTHER SCATTERED STRONG STORMS HAVE MOVED INTO PRICE..OMEIDA..LINCOLN
..LANGLADE AND FOREST COUNTIES OF NORTH CENTRAL WISCONSIN.

AN INTENSE THUNDERSTORM WAS ALSO LOCATED NEAR LONG LAKE IN FLORENCE
COUNTY IN NORTHEAST WISCONSIN.\

GARCIA
Special weather statement, Jul 18, 6:23 PM CDT, 2 hours 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
620 PM CDT FRI JUL 18 1986

..INTENSE THUNDERSTORMS OVER NORTHCENTRAL AND NORTHEAST WISCONSIN...

AT 620 PM CDT...WEATHER SERVICE RADAR INDICATED AN INTENSE THUNDERSTORM
40 MILES SOUTHEAST OF RHINELANDER NEAR THE LANGLADE FOREST COUNTY
BORDER ABOUT 10 MILES WEST OF WEBENO. THIS THUNDERSTORM WAS MOVING
SOUTHEAST AT 25 MILES AN HOUR.

THIS STORM IS CAPABLE OF PRODUCING HAIL..STRONG WINDS AND BRIEF
HEAVY DOWNPOURS. PERSONS IN THIS AREA SHOULD BE ALERT FOR THREATENING
WEATHER AND BE PREPARED TO TAKE SHELTER IF NECESSARY.

OTHER STRONG HUNDERSTORMS WERE RUMBLING ACROSS MUCH OF NORTHCENTRAL
AND NORTHEAST WISCONSIN.

PERSONS qOVER NORTHERN WISCONSIN SHOULD BE ON THE LOOKOUT FOR
THUNDERSTORMS PRODUCING DAMAGING WINDS AND HAIL.  SEVERE THUNDERSTORM
WATCHES ARE IN EFFECT UNTIL 10 PM FOR MUCH OF NORTHERN WISCONSIN.

HENTZ
Special weather statement, Jul 18, 7:14 PM CDT, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
710 PM CDT FRI JUL 18 1986

..SEVERE THUNDERSTORM WATCH FOR MUCH OF NORTHERN HALF WISCONSIN UNTIL
  1000 PM CDT...

AT 705 PM CDT...WEATHER SERVICE RADAR INDICATED AN AREA OF STRONG
THUNDERSTORMS DEVELOPING IN SOUTHERN ASHLAND AND NORTHERN PRICE
COUNTY IN NORTHWEST WISCONSIN. THIS IS NORTHWEST OF PARK FALLS.

THESE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 35 MPH. THERE HAVE
BEEN NO REPORTS OF SEVERE ASSOCIATED WITH THESE STORMS.

THESE STORMS ARE CAPABLE OF PRODUCING HAIL..STRONG WINDS AND BRIEF
HEAVY DOWNPOURS. PERSONS IN THIS AREA SHOULD BE ALERT FOR THREATENING
WEATHER AND BE PREPARED TO TAKE SHELTER IF NECESSARY.

GARCIA
Special weather statement, Jul 18, 7:27 PM CDT, 1 hour 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE WI
720 PM CDT FRI JUL 18 1986

..SEVERE THUNDERSTORM WATCH FOR MUCH OF NORTHERN HALF WISCONSIN UNTIL
  1000 PM CDT...

AT 720 PM CDT...WEATHER SERVICE RADAR INDICATED AN ELONGATED AREA OF
THUNDERSTORMS STRETCHING FROM POLK COUNTY IN NORTHWEST WISCONSIN EAST
TO SHAWANO COUNTY IN NORTHEAST WISCONSIN.

THESE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 35 MPH.

CONDITIONS ARE RIGHT FOR THESE STORMS TO BECOME SEVERE AND COULD
PRODUCE FUNNEL CLOUDS OR TORNADOES..HAIL..DAMAGING WINDS AND BRIEF
HEAVY DOWNPOURS. PERSONS IN THIS AREA SHOULD BE ALERT FOR THREATENING
WEATHER AND BE PREPARED TO TAKE SHELTER IF NECESSARY.

GARCIA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 18, 7:04 PM CDTSevere Thunderstorm WarningMKXTaylor56 min
Jul 18, 8:30 PM CDTSevere Thunderstorm WarningMKXLincoln60 min
Jul 18, 8:37 PM CDTSevere Thunderstorm WarningMKXMarathon53 min
Jul 18, 9:39 PM CDTSevere Thunderstorm WarningMKXPortage51 min
Jul 19, 6:46 PM CDTSevere Thunderstorm WarningMKXRacine29 min
Jul 19, 6:58 PM CDTSevere Thunderstorm WarningMKXKenosha62 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.