Alert archive / Wisconsin / Tornado Warnings in 2007

Tornado Warning 12, NWS La Crosse, WI

June 7, 2007Trempealeau County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jun 7, 2007, 2:03 PM CDT for Trempealeau County, Wisconsin. It was in force for 27 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, 2:03 PM CDT (19:03 UTC)
Expired
Jun 7, 2007, 2:30 PM CDT
In force
27 min
Issued by
NWS La Crosse, WI
Area
Counties, with a storm outline in the text

County Trempealeau County, WI

The radar

The La Crosse radar (KARX), 77 km from the middle of the area, began a volume at 19:04 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, 2:04 PM CDTTSTM WND DMGStrum, WITREES DOWN.

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

Minneapolis, MN (KMPX), launched 12:00Z, 7.1 hours before the alert went out and 181 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 2007-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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, Minneapolis, MN at 12:00Z on 2007-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897Sfc1 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
72 J/kg
Mixed-layer CIN
-470 J/kg
Mixed-layer LCL
1082 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 071904
TORARX
WIC121-071930-
/O.NEW.KARX.TO.W.0012.070607T1903Z-070607T1930Z/

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN TREMPEALEAU COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 230 PM CDT

* AT 200 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A TORNADO NEAR CHIMNEY ROCK...OR ABOUT 9 MILES NORTHWEST OF
  WHITEHALL...MOVING NORTHEAST AT 45 MPH. THIS TORNADO WARNING
  UPGRADES THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR
  TREMPEALEAU COUNTY.

* THE TORNADO IS EXPECTED TO BE NEAR...
  THE BORST VALLEY AREA AND CHIMNEY ROCK AROUND 205 PM...
  HIGHWAY 53 AND COUNTY E AROUND 210 PM...
  OSSEO AROUND 215 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 4444 9153 4445 9117 4459 9116 4460 9143

$$

SHEA
3 follow-up statements
000 
WWUS53 KARX 071912
SVSARX

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

WIC121-071930-
/O.CON.KARX.TO.W.0012.000000T0000Z-070607T1930Z/
TREMPEALEAU WI-
212 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR NORTHERN
TREMPEALEAU COUNTY...

AT 208 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR STRUM...OR 12 MILES NORTH OF WHITEHALL...MOVING NORTHEAST AT 45
MPH.

THIS STORM WILL PASS NEAR OR NORTHWEST OF OSSEO AS IT ENTERS
EAU CLAIRE COUNTY.

LAT...LON 4444 9153 4445 9117 4459 9116 4460 9143

$$

SHEA
000 
WWUS53 KARX 071920
SVSARX

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

WIC121-071930-
/O.CON.KARX.TO.W.0012.000000T0000Z-070607T1930Z/
TREMPEALEAU WI-
220 PM CDT THU JUN 7 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR NORTHERN
TREMPEALEAU COUNTY...

AT 216 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR OSSEO...OR 15 MILES NORTH OF WHITEHALL...MOVING NORTHEAST AT 45 
MPH. THERE HAS BEEN NO REPORTS OF DAMAGE OR A TORNADO WITH THIS 
STORM AS OF YET.

LAT...LON 4444 9153 4445 9117 4459 9116 4460 9143

$$

SHEA
000 
WWUS53 KARX 071928
SVSARX

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

WIC121-071938-
/O.EXP.KARX.TO.W.0012.000000T0000Z-070607T1930Z/
TREMPEALEAU WI-
228 PM CDT THU JUN 7 2007

...THE TORNADO WARNING FOR NORTHERN TREMPEALEAU COUNTY EXPIRES AT 230
PM CDT...

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

LAT...LON 4444 9153 4445 9117 4459 9116 4460 9143

$$

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, 2:11 PM CDTSevere Thunderstorm WarningARXJackson49 min
Jun 7, 2:31 PM CDTTornado WarningARXClark44 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.