Alert archive / Wisconsin / Tornado Warnings in 2008

Tornado Warning 29, NWS La Crosse, WI

June 12, 2008Grant County, Wisconsin

NWS La Crosse, WI issued this tornado warning at Jun 12, 2008, 2:26 PM CDT for Grant County, Wisconsin. It was in force for 15 min. 4 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: Jun 12, 2008, 2:26 PM CDT (19:26 UTC)
Expired: Jun 12, 2008, 2:41 PM CDT
In force: 15 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon

County Grant County, WI

The radar

The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 19:29 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

Time	Report	Where	Remark
Jun 12, 2:29 PM CDT	TSTM WND GST 60	4 N Platteville, WI	ALSO DRIVING RAINS.
Jun 12, 2:29 PM CDT	TORNADO	1 Ne Union, WI	CONFIRMED BRIEF TORNADO RATED EF0. ALSO A PATH OF SPORADIC STRAIGHT LINE WIND DAMAGE BACK THREE MILES TO THE SOUTHWEST TO ELLENSBORO ASSOCIATED WITH REAR FLANK DOWNDRAFT WINDS. SOUTHWEST STRAIGHT LINE WIND WITH ESTIMATED SPEEDS 60-80 MPH.
Jun 12, 2:30 PM CDT	TSTM WND DMG	2 S Union, WI	NUMEROUS BRANCHES DOWN. SOME FARM MACHINERY DAMAGED. LOTS OF FLOODING BEING OBSERVED AS WELL.
Jun 12, 2:30 PM CDT	TSTM WND DMG	4 N Platteville, WI	SPOTTER WAS BLOWN OFF COUNTY ROAD D FROM STRONG WINDS.

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.

Issued	Product	Office	Lasted
Jun 12, 1:04 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.4 hours before the alert went out and 134 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 698 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 285 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 7.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KARX 121926
TORARX
WIC043-122000-
/O.NEW.KARX.TO.W.0029.080612T1926Z-080612T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
226 PM CDT THU JUN 12 2008

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL GRANT COUNTY IN SOUTHWEST WISCONSIN...

* UNTIL 300 PM CDT

* AT 225 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
  PLATTEVILLE...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  LIVINGSTON AROUND 235 PM...

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

TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE NATIONAL WEATHER
SERVICE DIAL 6 0 8 7 8 2 1 8 9 4.

LAT...LON 4270 9051 4280 9060 4296 9043 4296 9042
      4287 9042 4286 9042 4276 9042
TIME...MOT...LOC 1926Z 223DEG 47KT 4278 9049

$$

BAUMGARDT

3 follow-up statements

000 
WWUS53 KARX 121931
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
230 PM CDT THU JUN 12 2008

WIC043-122000-
/O.CON.KARX.TO.W.0029.000000T0000Z-080612T2000Z/
GRANT WI-
230 PM CDT THU JUN 12 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR EAST
CENTRAL GRANT COUNTY...

AT 227 PM CDT...PLATTEVILLE FIRE REPORTED A TORNADO ON THE GROUND 
ABOUT 3 OR 4 MILES NORTHWEST OF PLATTEVILLE. THIS TORNADO WAS 
LOCATED NEAR UNION...OR NEAR PLATTEVILLE...MOVING NORTHEAST AT 33 
MPH.

* THE TORNADO WILL BE NEAR...
  LIVINGSTON AROUND 240 PM...

SEEK SHELTER IN THE LOWEST FLOOR OF A STRUCTURE IF IN THE PATH OF 
THIS TORNADO. TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE 
NATIONAL WEATHER SERVICE DIAL 6 0 8 7 8 2 1 8 9 4.

LAT...LON 4270 9051 4280 9060 4296 9043 4296 9042
      4287 9042 4286 9042 4276 9042
TIME...MOT...LOC 1930Z 227DEG 28KT 4280 9045

$$

BAUMGARDT

000 
WWUS53 KARX 121936
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
235 PM CDT THU JUN 12 2008

WIC043-122000-
/O.CON.KARX.TO.W.0029.000000T0000Z-080612T2000Z/
GRANT WI-
235 PM CDT THU JUN 12 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR EAST
CENTRAL GRANT COUNTY...

AT 233 PM CDT...DOPPLER RADAR WAS TRACKING A TORNADO NORTH OF 
PLATTEVILLE. THIS STORM PRODUCED A TORNADO ABOUT 3 TO 4 MILES 
NORTHWEST OF PLATTEVILLE AROUND 225 PM. THIS TORNADO WAS LOCATED 
NEAR ARTHUR...OR 6 MILES NORTHEAST OF PLATTEVILLE...MOVING NORTHEAST 
AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  AREAS EAST OF ARTHUR AROUND 240 PM...

TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE NATIONAL WEATHER
SERVICE DIAL 6 0 8 7 8 2 1 8 9 4.

LAT...LON 4270 9051 4280 9060 4296 9043 4296 9042
      4287 9042 4286 9042 4276 9042
TIME...MOT...LOC 1935Z 227DEG 28KT 4283 9041

$$

BAUMGARDT

000 
WWUS53 KARX 121941
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
241 PM CDT THU JUN 12 2008

WIC043-121951-
/O.CAN.KARX.TO.W.0029.000000T0000Z-080612T2000Z/
GRANT WI-
241 PM CDT THU JUN 12 2008

...THE TORNADO WARNING FOR EAST CENTRAL GRANT COUNTY IS CANCELLED...

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

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.

TO CALL YOUR SEVERE WEATHER REPORT DIRECTLY INTO THE NATIONAL WEATHER
SERVICE DIAL 6 0 8 7 8 2 1 8 9 4.

LAT...LON 4270 9051 4280 9060 4296 9043 4296 9042
      4287 9042 4286 9042 4276 9042
TIME...MOT...LOC 1941Z 227DEG 28KT 4286 9036

$$

BAUMGARDT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 1:22 PM CDT	Severe Thunderstorm Warning	ARX	Grant	38 min
Jun 12, 1:36 PM CDT	Flash Flood Warning	ARX	Grant	3 hr
Jun 12, 2:14 PM CDT	Severe Thunderstorm Warning	ARX	Grant	46 min
Jun 12, 2:50 PM CDT	Flash Flood Warning	ARX	Richland	5 hr
Jun 12, 3:06 PM CDT	Flash Flood Warning	ARX	Adams, Juneau	4 hr
Jun 12, 3:19 PM CDT	Severe Thunderstorm Warning	ARX	Adams, Juneau	26 min
Jun 12, 4:19 PM CDT	Flash Flood Warning	ARX	Grant	5 hr

Nearby

Tornado Warnings in Wisconsin, 2008 Every tornado warning in 2008 Tornadoes in 2008

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.