Alert archive / Wisconsin / Tornado Warnings in 2007

Tornado Warning 13, NWS La Crosse, WI

June 7, 2007Clark County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jun 7, 2007, 2:31 PM CDT for Clark County, Wisconsin. It was in force for 44 min. 1 report 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
Jun 7, 2007, 2:31 PM CDT (19:31 UTC)
Expired
Jun 7, 2007, 3:15 PM CDT
In force
44 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), 127 km from the middle of the area, began a volume at 19:33 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
Jun 7, 2:53 PM CDTTORNADO3 E Thorp, WIUNCONFIRMED REPORT OF TORNADO BY TRUCK DRIVER BETWEEN OWEN AND THORP ON HWY 29 - LOCATION ESTIMATED

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 7, 11:34 AM CDTTornado Watch PDSSPC10 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.5 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 12:00Z on 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 joules per kilogram.LCLLFCEL10008507005003002001001 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 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 212 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
33 J/kg
Mixed-layer CIN
-754 J/kg
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
212 m²/s²
0-3 km storm-relative helicity
214 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 071931
TORARX
WIC019-072030-
/O.NEW.KARX.TO.W.0013.070607T1931Z-070607T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
231 PM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

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

* UNTIL 330 PM CDT

* AT 229 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 10 MILES WEST OF ROCK DAM LAKE...OR ABOUT 24 MILES WEST OF
  NEILLSVILLE...MOVING NORTHEAST AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  ROCK DAM LAKE AROUND 240 PM...
  THE BLUE SWAMP AND SEVEN SISTER MOUNDS AROUND 245 PM...
  STERLING AVENUE AND STARKS ROAD AND EIDSVOLD AROUND 250 PM...
  THORP AND RESEBURG AROUND 255 PM...
  COUNTY O AND STERLING AVENUE AND LONGWOOD AROUND 300 PM...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM THURSDAY EVENING FOR
NORTHEASTERN IOWA.

LAT...LON 4503 9091 4461 9092 4503 9030

$$

SHEA
5 follow-up statements
000 
WWUS53 KARX 071942
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
242 PM CDT THU JUN 7 2007

WIC019-072030-
/O.CON.KARX.TO.W.0013.000000T0000Z-070607T2030Z/
CLARK WI-
242 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR NORTHERN
CLARK COUNTY...

AT 237 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR ROCK DAM LAKE...OR 21 MILES NORTHWEST OF NEILLSVILLE...MOVING
NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  MEAD LAKE AROUND 250 PM...
  THORP AND STERLING AVENUE AND STARKS ROAD AROUND 255 PM...
  LONGWOOD AROUND 300 PM...
  OWEN AND COUNTY O AND STERLING AVENUE AROUND 305 PM...
  CURTISS AROUND 315 PM...

LAT...LON 4503 9091 4461 9092 4503 9030

$$

SHEA
000 
WWUS53 KARX 071956
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
256 PM CDT THU JUN 7 2007

WIC019-072030-
/O.CON.KARX.TO.W.0013.000000T0000Z-070607T2030Z/
CLARK WI-
256 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR NORTHERN
CLARK COUNTY...

AT 254 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR THE BLUE SWAMP...OR 22 MILES NORTHWEST OF NEILLSVILLE...MOVING
NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  THORP AROUND 305 PM...
  COUNTY O AND STERLING AVENUE AND LONGWOOD AROUND 310 PM...
  OWEN AND WITHEE AROUND 315 PM...
  CURTISS AROUND 325 PM...

LAT...LON 4503 9091 4461 9092 4503 9030

$$

SHEA
000 
WWUS53 KARX 071959
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
259 PM CDT THU JUN 7 2007

WIC019-072030-
/O.CON.KARX.TO.W.0013.000000T0000Z-070607T2030Z/
CLARK WI-
259 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR NORTHERN
CLARK COUNTY...

AT 256 PM...CLARK COUNTY EMERGENCY MANAGEMENT PASSED ALONG A REPORT 
FROM A TRUCK DRIVER OF A TORNADO BETWEEN THORP AND OWEN IN NORTHWEST 
CLARK COUNTY.

* THE TORNADO WILL BE NEAR...
  STERLING AVENUE AND STARKS ROAD AND RESEBURG AROUND 305 PM...
  THORP AROUND 310 PM...
  LONGWOOD AROUND 315 PM...
  COUNTY O AND STERLING AVENUE AND WITHEE AROUND 320 PM...
  OWEN AROUND 325 PM...

LAT...LON 4503 9091 4461 9092 4503 9030

$$

SHEA
000 
WWUS53 KARX 072007
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
307 PM CDT THU JUN 7 2007

WIC019-072030-
/O.CON.KARX.TO.W.0013.000000T0000Z-070607T2030Z/
CLARK WI-
307 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR NORTHERN
CLARK COUNTY...

RADAR CONTINUES TO SHOW THE STORM OVER NORTHWEST CLARK COUNTY 
WEAKENING BUT STILL COULD BE PRODUCING A TORNADO. REMAIN INDOORS AND 
UNDERGROUND UNTIL THIS STORM IS GONE.

LAT...LON 4503 9091 4461 9092 4503 9030

$$

SHEA
000 
WWUS53 KARX 072015
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
315 PM CDT THU JUN 7 2007

WIC019-072025-
/O.CAN.KARX.TO.W.0013.000000T0000Z-070607T2030Z/
CLARK WI-
315 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR NORTHERN CLARK COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THIS WARNING HAS WEAKENED AND NO LONGER
APPEARS CAPABLE OF PRODUCING SEVERE WEATHER.

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.

LAT...LON 4503 9091 4461 9092 4503 9030

$$

SHEA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 4:04 AM CDTWind AdvisoryARXAdams, Buffalo, Clark, Crawford, Grant, Jackson and 7 more15 hr
Jun 7, 1:26 PM CDTSevere Thunderstorm WarningARXBuffalo35 min
Jun 7, 1:45 PM CDTSevere Thunderstorm WarningARXLa Crosse, Trempealeau60 min
Jun 7, 2:03 PM CDTTornado WarningARXTrempealeau27 min
Jun 7, 2:11 PM CDTSevere Thunderstorm WarningARXJackson49 min
Jun 7, 2:34 PM CDTSevere Thunderstorm WarningARXMonroe56 min
Jun 7, 2:37 PM CDTTornado WarningARXJackson23 min
Jun 7, 3:00 PM CDTTornado WarningARXClark, Jackson15 min
Jun 7, 3:04 PM CDTSevere Thunderstorm WarningARXLa Crosse56 min
Jun 7, 3:20 PM CDTTornado WarningARXLa Crosse, Monroe40 min
Jun 7, 3:23 PM CDTSevere Thunderstorm WarningARXCrawford, Grant37 min
Jun 7, 3:50 PM CDTSevere Thunderstorm WarningARXJackson, Juneau28 min
Jun 7, 4:02 PM CDTTornado WarningARXJuneau17 min

Nearby

Tornado Warnings in Wisconsin, 2007Every tornado warning in 2007Tornadoes in 2007

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.