Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 2, NWS La Crosse, WI

June 7, 1987Jackson County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 7, 1987, 8:18 PM CDT for Jackson County, Wisconsin. It was in force for 27 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1987, 8:18 PM CDT (01:18 UTC)
Expired
Jun 7, 1987, 8:45 PM CDT
In force
27 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Jackson 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

Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.3 hours before the alert went out and 216 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, Green Bay/Straub, WI at 00:00Z on 1987-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1449 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, Green Bay/Straub, WI at 00:00Z on 1987-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
1449 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
2020 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMSN 080118
SVRLSE
WIC053-080145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
ISSUED BY MADISON WI
818 PM CDT SUN JUN 7 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 845 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

WEST CENTRAL WISCONSIN...EASTERN JACKSON

AT 812 PM CDT LOCAL RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
EAST OF BLACK RIVER @FALLS MOVING TO THE EAST AT 30 MPH.

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

PRZEKURAT

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1987Every severe thunderstorm warning in 1987

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.