Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 18, NWS La Crosse, WI

June 29, 1996Buffalo County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Jun 29, 1996, 3:35 PM CDT for Buffalo County, Wisconsin. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 29, 1996, 3:35 PM CDT (20:35 UTC)
Expired
Jun 29, 1996, 4:15 PM CDT
In force
40 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Buffalo County, WI

What was reported inside it

TimeReportWhereRemark
Jun 29, 3:50 PM CDTThunderstorm Wind 52Mondovi, WI

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.6 hours before the alert went out and 155 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 12:00Z on 1996-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 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 12:00Z on 1996-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 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
734 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
1273 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLSE 292043 COR
SVRLSE
WIC011-292115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE LA CROSSE WI
335 PM CDT SAT JUN 29 1996

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST CENTRAL WISCONSIN

   ...NORTHERN BUFFALO COUNTY

AT 333 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES
SOUTHWEST OF EAU CLAIRE OR NEAR MAXVILLE. THIS THUNDERSTORM WAS MOVING
EAST AT 40 MPH AND CONTAINED DAMAGING WINDS OF GREATER THAN 60 MPH.

THE TOWN OF MONDOVI WILL BE AFFECTED BY THIS STORM BY 350 PM.

WINDS OF 60 MPH OR HIGHER CAN BE EXPECTED WITH XTHIS STORM ALONG
WITH DEADLY LIGHTNING. MOVE INSIDE A STRONG BUILDING SUCH AS YOUR
HOME AND REMAIN THERE UNTIL THE STORM PASSES.

RACY

CORRECTED FOR TIME AND COMPUTER ERROR

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, Jun 29, 2:30 PM CDT, 1 hour 5 minutes before
WIZ017-029-032>034-041>044-053>055-061-292300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
230 PM CDT SAT JUN 29 1996

...HIGH HEAT AND HUMIDITY EXPECTED TODAY...

HIGH HEAT AND HUMIDITY CAN BE EXPECTED FOR THE REST OF THE AFTERNOON.
HIGH TEMPERATURES THIS AFTERNOON ARE GOING TO RANGE FROM THE LOWER 90S
IN NORTH CENTRAL WISCONSIN...WITH MID TO UPPER 90S IN THE WEST CENTRAL
AND SOUTHWEST PARTS OF THE STATE.

THESE TEMPERATURES COMBINED WITH HIGH HUMIDITY LEVELS WILL RESULT IN
HEAT INDICES OF 100 TO 105 IN THE NORTHERN MOST AREAS.  HEAT INDICES
FOR THE CENTRAL AND SOUTHERN AREAS ARE GOING TO BE NEAR OR EXCEED 105
FOR THE REMAINDER OF THE AFTERNOON.  AT 2 PM THE HEAT INDEX AT THE
LA CROSSE AIRPORT WAS 114.

PERSONS THAT ARE GOING TO BE OUTSIDE SHOULD LESSEN THEIR ACTIVITY...
DRINK PLENTY OF LIQUIDS...WEAR LIGHT COLORED CLOTHING AND SEEK SHADE
WHEN EVER POSSIBLE.  ANY STRENUOUS OUTDOOR ACTIVITY SHOULD BE AVIODED
THIS AFTERNOON.

RRS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 3:35 AM CDTSevere Thunderstorm WarningARXBuffalo40 min
Jun 29, 4:25 PM CDTSevere Thunderstorm WarningARXClark, Jackson65 min
Jun 29, 5:57 PM CDTSevere Thunderstorm WarningARXMonroe63 min
Jun 29, 6:10 PM CDTSevere Thunderstorm WarningARXVernon65 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.