Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 21, NWS Milwaukee, WI

July 15, 1986Sheboygan County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 15, 1986, 4:55 PM CDT for Sheboygan County, Wisconsin. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jul 15, 1986, 4:55 PM CDT (21:55 UTC)
Expired
Jul 15, 1986, 5:45 PM CDT
In force
50 min
Issued by
NWS Milwaukee, WI
Area
Whole counties

County Sheboygan 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

Detroit, MI (KFNT), launched 12:00Z, 9.9 hours before the alert went out and 372 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, Detroit, MI at 12:00Z on 1986-07-15Temperature 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 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 1986-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
951 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
69 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 KMKE 152155
SVRMKE
WIC117-152245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MILWAUKEE WI
455 PM CDT TUE JUL 15 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND 
SPECIAL MARINE WARNING EFFECTIVE UNTIL 545 PM CDT FOR PEOPLE IN THE 
FOLLOWING COUNTY OF

EAST CENTRAL WISCONSIN...SHEBOYGAN
...INCLUDING THE ADJACENT COASTAL WATERS OF LAKE MICHIGAN.       
.                    

AT 450 PM...RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM
ABOUT 10 MILES EAST OF THE CITY OF FOND DU LAC..IN FOND DU LAC
COUNTY..SOUTH TO ABOUT 10 MILES EAST OF CAMPBELLSPORT IN SOUTHEAST
FOND DU LAC COUNTY.

THESE STORMS WERE MOVING EAST AT 40 MPH AND WILL MOVE INTO PARTS
OF SHEBOYAN COUNTY SHORTLY.  SOME CITIES IN THE PATH OF THESE
STORMS ARE PLYMOUTH..RANDOM LAKE..SHEBOYGAN FALLS..SHEBOYGAN
AND CEDAR GROVE.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...AND
DEADLY LIGHTNING. TORNADOES CAN ALSO DEVELOP FROM SEVERE
THUNDERSTORMS.   IF THREATENING WEATHER APPROACHES...TAKE SHELTER
IMMEDIATELY.

STUREY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 4:00 PM CDTSevere Thunderstorm WarningMKXDodge, Fond du Lac30 min
Jul 15, 4:27 PM CDTTornado WarningMKXFond du Lac33 min
Jul 15, 4:34 PM CDTSevere Thunderstorm WarningMKXDodge26 min
Jul 15, 5:07 PM CDTSevere Thunderstorm WarningMKXOzaukee, Washington38 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.