Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 29, NWS La Crosse, WI

August 7, 1996Jackson County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 7, 1996, 1:55 AM CDT for Jackson County, Wisconsin. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 7, 1996, 1:55 AM CDT (06:55 UTC)
Expired
Aug 7, 1996, 2:30 AM CDT
In force
35 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Jackson County, WI

The radar

The La Crosse radar (KARX), 63 km from the middle of the area, began a volume at 06:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 6.9 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 1996-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3575 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 1996-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
3575 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
133 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 KLSE 070655
SVRLSE
MNC055-WIC053-063-070730-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
155 AM CDT WED AUG 7 1996
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MINNESOTA
 
   ...HOUSTON COUNTY
 
 
IN WEST CENTRAL WISCONSIN
 
   ...JACKSON COUNTY...LA CROSSE COUNTY
 
A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM 50 MILES NORTH OF LA CROSSE
TO 10 MILES SOUTHWEST OF LA CROSSE MOVING EAST NORTHEAST AT 40 MPH.
 
THESE STORMS WILL AFFECT BLACK RIVER FALLS...LA CROSSE WI AND CALADONIA
MN BETWEEN 2 AND 215 AM CDT.
 
 
WINDS OF 60 MPH OR HIGHER CAN BE EXPECTED WITH THIS STORM ALONG
WITH DEADLY LIGHTNING. MOVE INSIDE A STRONG BUILDING SUCH AS YOUR
HOME AND REMAIN THERE UNTIL THE STORM PASSES.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 1:26 AM CDTSevere Thunderstorm WarningARXBuffalo, Trempealeau34 min
Aug 7, 1:40 AM CDTSevere Thunderstorm WarningARXClark, Taylor50 min
Aug 7, 1:55 AM CDTSevere Thunderstorm WarningARXLa Crosse35 min
Aug 7, 2:15 AM CDTSevere Thunderstorm WarningARXCrawford, Vernon45 min
Aug 7, 2:15 AM CDTSevere Thunderstorm WarningARXMonroe45 min
Aug 7, 2:29 AM CDTSevere Thunderstorm WarningARXJackson, La Crosse16 min
Aug 7, 2:37 AM CDTSevere Thunderstorm WarningARXGrant53 min
Aug 7, 2:52 AM CDTSevere Thunderstorm WarningARXAdams, Juneau68 min
Aug 7, 2:57 AM CDTSevere Thunderstorm WarningARXRichland48 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.