Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 21, NWS La Crosse, WI

August 13, 1995Trempealeau County, Wisconsin

NWS La Crosse, WI issued this severe thunderstorm warning at Aug 13, 1995, 7:49 PM CDT for Trempealeau County, Wisconsin. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Aug 13, 1995, 7:49 PM CDT (00:49 UTC)
Expired
Aug 13, 1995, 8:45 PM CDT
In force
56 min
Issued by
NWS La Crosse, WI
Area
Whole counties

County Trempealeau County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.8 hours before the alert went out and 188 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 1995-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1246 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1995-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
1246 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
622 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLSE 140049 RRA
SVRLSE
WIC121-140145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
749 PM CDT SUN AUG 13 1995
 
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL WISCONSIN
 
   ...NORTHERN TREMPEALEAU COUNTY
 
AT 747 PM...RADAR INDICATED A SEVERE THUNDERSTORM NEAR WAUMANDEE
...OR ABOUT 40 MILES NORTHWEST OF LA CROSSE. THE STORM WAS MOVING
EAST AT 40 MPH...AND WILL REACH ARCADIA BY 805 PM...AND THE
INDEPENDENCE AND WHITEHALL AREAS AROUND 815 PM.
 
THIS IS A DANGEROUS STORM. EXPECT WINDS IN EXCESS OF 60 MPH...
LARGE HAIL AND DEADLY LIGHTNING. MOVE TO SHELTER INSIDE A STRONG
BUILDING PREFERABLY ON THE LOWEST FLOOR. REMEMBER...SEVERE STORMS
CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING.
 
BRUCE
 
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 7:38 PM CDTSevere Thunderstorm WarningARXBuffalo67 min
Aug 13, 7:58 PM CDTSevere Thunderstorm WarningARXTaylor62 min
Aug 13, 8:07 PM CDTSevere Thunderstorm WarningARXClark68 min
Aug 13, 8:43 PM CDTSevere Thunderstorm WarningARXJackson, Trempealeau62 min
Aug 13, 8:49 PM CDTSevere Thunderstorm WarningARXBuffalo56 min
Aug 13, 10:49 PM CDTFlash Flood WarningARXBuffalo, Trempealeau5 hr
Aug 13, 11:30 PM CDTTornado WarningARXLa Crosse45 min
Aug 13, 11:47 PM CDTFlash Flood WarningARXJackson, Trempealeau6 hr
Aug 14, 12:02 AM CDTTornado WarningARXMonroe43 min
Aug 14, 12:37 AM CDTSevere Thunderstorm WarningARXLa Crosse53 min
Aug 14, 12:47 AM CDTSevere Thunderstorm WarningARXMonroe58 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 1995Every severe thunderstorm warning in 1995

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.