Alert archive / Wisconsin / Tornado Warnings in 2006

Tornado Warning 7, NWS La Crosse, WI

August 23, 2006Clark County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Aug 23, 2006, 5:22 PM CDT for Clark County, Wisconsin. It was in force for 23 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 23, 2006, 5:22 PM CDT (22:22 UTC)
Expired
Aug 23, 2006, 5:45 PM CDT
In force
23 min
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

County Clark County, WI

The radar

The La Crosse radar (KARX), 86 km from the middle of the area, began a volume at 22:25 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.

What was reported inside it

TimeReportWhereRemark
Aug 23, 5:25 PM CDTHAIL 0.753 Sw Neillsville, WI
Aug 23, 5:42 PM CDTHAIL 0.754 Nne Hatfield, WIHAIL REPORT ALONG HIGHWAY 95 ABOUT 8 MILES EAST OF THE CLARK-JACKSON COUNTY LINE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.4 hours before the alert went out and 208 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 12:00Z on 2006-08-23Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 12:00Z on 2006-08-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 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
1381 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
75 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 
WFUS53 KARX 232222
TORARX
WIC019-232245-
/O.NEW.KARX.TO.W.0007.060823T2222Z-060823T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
522 PM CDT WED AUG 23 2006

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CLARK COUNTY IN CENTRAL WISCONSIN...

* UNTIL 545 PM CDT

* AT 521 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 6 MILES SOUTHWEST OF SIDNEY...OR ABOUT 9 MILES SOUTHWEST OF
  NEILLSVILLE...MOVING SOUTHEAST AT 30 MPH. THIS TORNADO WARNING
  UPGRADES THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR CLARK COUNTY.

* THE TORNADO IS EXPECTED TO BE NEAR...
  HIGHWAY 10 AND BALD PEAK ROAD AND SNYDER LAKE AROUND 520 PM...
  SIDNEY AROUND 525 PM...
  HIGHWAY 95 AND 73 AROUND 530 PM...
  SHORTVILLE AROUND 535 PM...
  BALLARD ROAD AND PRAY AVENUE AROUND 540 PM...

TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS

LAT...LON 4443 9078 4451 9078 4452 9080 4452 9090
      4463 9078 4461 9075 4460 9071 4458 9068
      4443 9032

$$

DAS
1 follow-up statement
000 
WWUS53 KARX 232245
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
543 PM CDT WED AUG 23 2006

WIC019-232253-
/O.EXP.KARX.TO.W.0007.000000T0000Z-060823T2245Z/
CLARK WI-
543 PM CDT WED AUG 23 2006

...THE TORNADO WARNING FOR SOUTHERN CLARK COUNTY WILL BE ALLOWED TO 
EXPIRE AT 545 PM CDT...

THE STORM WHICH PROMPTED THIS WARNING HAS MOVED OUT OF THE WARNED
AREA.

DIME-SIZE HAIL AND VERY HEAVY RAINFALL IS STILL POSSIBLE SOUTH OF A 
LINE FROM HIGHWAY 95 AND 73 TO NEAR SHORTVILLE.

LAT...LON 4443 9078 4451 9078 4452 9080 4452 9090
      4463 9078 4461 9075 4460 9071 4458 9068
      4443 9032

$$

DAS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 3:00 PM CDTSevere Thunderstorm WarningARXClark60 min
Aug 23, 4:25 PM CDTSevere Thunderstorm WarningARXClark65 min
Aug 23, 5:31 PM CDTTornado WarningARXJackson44 min
Aug 23, 6:16 PM CDTSevere Thunderstorm WarningARXClark, Jackson47 min
Aug 23, 6:41 PM CDTSevere Thunderstorm WarningARXMonroe64 min

Nearby

Tornado Warnings in Wisconsin, 2006Every tornado warning in 2006Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.