Alert archive / Wisconsin / Tornado Warnings in 2011
Tornado Warning 27, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Aug 23, 2011, 5:47 PM CDT for Clark County, Jackson County, Wisconsin. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2011, 5:47 PM CDT (22:47 UTC)
- Expired
- Aug 23, 2011, 6:22 PM CDT
- In force
- 35 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
Counties Clark County, WI, Jackson County, WI
The radar
The La Crosse radar (KARX), 84 km from the middle of the area, began a volume at 22:49 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 23, 5:19 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.8 hours before the alert went out and 195 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.
- Mixed-layer CAPE
- 45 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
819 WFUS53 KARX 232247 TORARX WIC019-053-232330- /O.NEW.KARX.TO.W.0027.110823T2247Z-110823T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LA CROSSE WI 547 PM CDT TUE AUG 23 2011 THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL CLARK COUNTY IN CENTRAL WISCONSIN... EAST CENTRAL JACKSON COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 630 PM CDT * AT 544 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 4 MILES SOUTHWEST OF HIGHWAY 95 AND 73...OR 7 MILES SOUTHWEST OF NEILLSVILLE...MOVING SOUTHEAST AT 30 MPH. THIS TORNADO WARNING UPGRADES THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR CLARK AND JACKSON COUNTIES. * THE TORNADO WILL BE NEAR... BALLARD ROAD AND PRAY AVENUE AROUND 555 PM... PRAY AROUND 605 PM... POTTERS FLOWAGE AROUND 610 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD. && LAT...LON 4449 9076 4458 9062 4439 9031 4416 9032 TIME...MOT...LOC 2247Z 312DEG 27KT 4445 9063 $$ BOYNE
8 follow-up statements
791 WWUS53 KARX 232252 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 552 PM CDT TUE AUG 23 2011 WIC019-053-232330- /O.CON.KARX.TO.W.0027.000000T0000Z-110823T2330Z/ CLARK WI-JACKSON WI- 552 PM CDT TUE AUG 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL JACKSON AND SOUTH CENTRAL CLARK COUNTIES UNTIL 630 PM CDT... AT 549 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO LOCATED NEAR HIGHWAY 95 AND 73...OR 8 MILES SOUTH OF NEILLSVILLE...MOVING SOUTHEAST AT 25 MPH. * THE TORNADO WILL BE NEAR... SHORTVILLE AROUND 555 PM... BALLARD ROAD AND PRAY AVENUE AROUND 605 PM... PRAY AROUND 610 PM... PRAY AROUND 615 PM... POTTERS FLOWAGE AROUND 620 PM... CITY POINT AROUND 630 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD. && LAT...LON 4449 9076 4458 9062 4439 9031 4416 9032 TIME...MOT...LOC 2252Z 305DEG 20KT 4444 9063 $$ BOYNE
781 WWUS53 KARX 232255 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 555 PM CDT TUE AUG 23 2011 WIC019-053-232330- /O.CON.KARX.TO.W.0027.000000T0000Z-110823T2330Z/ CLARK WI-JACKSON WI- 555 PM CDT TUE AUG 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL JACKSON AND SOUTH CENTRAL CLARK COUNTIES UNTIL 630 PM CDT... AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO LOCATED NEAR HIGHWAY 95 AND 73...OR 9 MILES SOUTH OF NEILLSVILLE...MOVING SOUTHEAST AT 25 MPH. * THE TORNADO WILL BE NEAR... BALLARD ROAD AND PRAY AVENUE AROUND 605 PM... PRAY AROUND 610 PM... POTTERS FLOWAGE AROUND 615 PM... CITY POINT AROUND 630 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM TUESDAY EVENING FOR WEST CENTRAL WISCONSIN. && LAT...LON 4449 9076 4458 9062 4439 9031 4416 9032 TIME...MOT...LOC 2256Z 304DEG 21KT 4442 9060 $$ BOYNE
375 WWUS53 KARX 232300 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 600 PM CDT TUE AUG 23 2011 WIC019-053-232330- /O.CON.KARX.TO.W.0027.000000T0000Z-110823T2330Z/ CLARK WI-JACKSON WI- 600 PM CDT TUE AUG 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL JACKSON AND SOUTH CENTRAL CLARK COUNTIES UNTIL 630 PM CDT... AT 558 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO LOCATED NEAR PRAY...OR 12 MILES SOUTH OF NEILLSVILLE...MOVING SOUTHEAST AT 30 MPH. * THE TORNADO WILL BE NEAR... PRAY AROUND 605 PM... POTTERS FLOWAGE AROUND 610 PM... CITY POINT AROUND 620 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD. && LAT...LON 4449 9076 4458 9062 4439 9031 4416 9032 TIME...MOT...LOC 2300Z 300DEG 28KT 4438 9056 $$ BOYNE
675 WWUS53 KARX 232305 SVSARX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LA CROSSE WI 605 PM CDT TUE AUG 23 2011 WIC019-053-232330- /O.CON.KARX.TO.W.0027.000000T0000Z-110823T2330Z/ CLARK WI-JACKSON WI- 605 PM CDT TUE AUG 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL JACKSON AND SOUTH CENTRAL CLARK COUNTIES UNTIL 630 PM CDT... AT 602 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO LOCATED NEAR PRAY...OR 13 MILES SOUTH OF NEILLSVILLE...MOVING SOUTHEAST AT 30 MPH. * THE TORNADO WILL BE NEAR... CITY POINT AROUND 620 PM... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND COVER YOUR HEAD. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM TUESDAY EVENING FOR WEST CENTRAL WISCONSIN. && LAT...LON 4442 9066 4449 9048 4439 9031 4416 9032 TIME...MOT...LOC 2306Z 300DEG 28KT 4436 9050 $$ BOYNE
556
WWUS53 KARX 232311
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
611 PM CDT TUE AUG 23 2011
WIC019-232320-
/O.CAN.KARX.TO.W.0027.000000T0000Z-110823T2330Z/
CLARK WI-
611 PM CDT TUE AUG 23 2011
...THE TORNADO WARNING FOR SOUTH CENTRAL CLARK COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED SOUTHEAST INTO
EASTERN JACKSON COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING
FOR WEST CENTRAL WISCONSIN.
LAT...LON 4438 9061 4442 9058 4441 9038 4439 9031
4416 9032
TIME...MOT...LOC 2310Z 300DEG 28KT 4434 9047
$$
WIC053-232330-
/O.CON.KARX.TO.W.0027.000000T0000Z-110823T2330Z/
JACKSON WI-
611 PM CDT TUE AUG 23 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL JACKSON
COUNTY UNTIL 630 PM CDT...
AT 607 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
POSSIBLE TORNADO LOCATED NEAR PRAY...OR 15 MILES SOUTH OF
NEILLSVILLE...MOVING SOUTHEAST AT 30 MPH.
* THE TORNADO WILL BE NEAR...
CITY POINT AROUND 620 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED
FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND
COVER YOUR HEAD.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM TUESDAY EVENING FOR
WEST CENTRAL WISCONSIN.
&&
LAT...LON 4438 9061 4442 9058 4441 9038 4439 9031
4416 9032
TIME...MOT...LOC 2310Z 300DEG 28KT 4434 9047
$$
BOYNE478
WWUS53 KARX 232315
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
615 PM CDT TUE AUG 23 2011
WIC053-232330-
/O.CON.KARX.TO.W.0027.000000T0000Z-110823T2330Z/
JACKSON WI-
615 PM CDT TUE AUG 23 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL JACKSON
COUNTY UNTIL 630 PM CDT...
AT 612 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR POTTERS FLOWAGE...OR 19 MILES SOUTHEAST OF
NEILLSVILLE IN EASTERN JACKSON COUNTY...MOVING SOUTHEAST AT 30 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED
FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND
COVER YOUR HEAD.
&&
LAT...LON 4438 9061 4442 9058 4441 9038 4439 9031
4416 9032
TIME...MOT...LOC 2315Z 307DEG 26KT 4429 9041
$$
BOYNE647
WWUS53 KARX 232318
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
618 PM CDT TUE AUG 23 2011
WIC053-232330-
/O.CON.KARX.TO.W.0027.000000T0000Z-110823T2330Z/
JACKSON WI-
618 PM CDT TUE AUG 23 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL JACKSON
COUNTY UNTIL 630 PM CDT...
AT 616 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
POSSIBLE TORNADO LOCATED NEAR POTTERS FLOWAGE...OR 21 MILES NORTH OF
TOMAH...MOVING SOUTHEAST AT 30 MPH.
* THE TORNADO WILL BE NEAR...
RURAL EXTREME SOUTHEASTERN JACKSON COUNTY AT 630 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED
FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND
COVER YOUR HEAD.
&&
LAT...LON 4438 9061 4442 9058 4441 9038 4439 9031
4416 9032
TIME...MOT...LOC 2318Z 307DEG 26KT 4428 9039
$$
BOYNE229
WWUS53 KARX 232322
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
622 PM CDT TUE AUG 23 2011
WIC053-232330-
/O.CAN.KARX.TO.W.0027.000000T0000Z-110823T2330Z/
JACKSON WI-
622 PM CDT TUE AUG 23 2011
...THE TORNADO WARNING FOR EAST CENTRAL JACKSON COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED. A TORNADO WATCH
REMAINS IN EFFECT UNTIL 1000 PM CDT.
LAT...LON 4438 9061 4442 9058 4441 9038 4439 9031
4416 9032
TIME...MOT...LOC 2320Z 307DEG 26KT 4427 9037
$$
BOYNEThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 3:57 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 63 min |
| Aug 23, 4:43 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 32 min |
| Aug 23, 4:54 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 66 min |
| Aug 23, 5:18 PM CDT | Tornado Warning | ARX | Clark | 16 min |
Nearby
Tornado Warnings in Wisconsin, 2011Every tornado warning in 2011Tornadoes in 2011
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; radar from the NEXRAD Level II archive.