Alert archive / Wisconsin / Tornado Warnings in 2011
Tornado Warning 24, NWS La Crosse, WI
NWS La Crosse, WI issued this tornado warning at Jul 19, 2011, 7:19 PM CDT for Clark County, Taylor County, Wisconsin. It was in force for 26 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
- Jul 19, 2011, 7:19 PM CDT (00:19 UTC)
- Expired
- Jul 19, 2011, 7:45 PM CDT
- In force
- 26 min
- Issued by
- NWS La Crosse, WI
- Area
- Storm-based polygon
Counties Clark County, WI, Taylor County, WI
The radar
The La Crosse radar (KARX), 152 km from the middle of the area, began a volume at 00:19 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 |
|---|---|---|---|
| Jul 19, 7:50 PM CDT | TSTM WND GST 50 | 2 N Owen, WI |
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 |
|---|---|---|---|
| Jul 19, 5:43 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.3 hours before the alert went out and 198 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
- 1847 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1140 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
857
WFUS53 KARX 200019
TORARX
WIC019-119-200045-
/O.NEW.KARX.TO.W.0024.110720T0019Z-110720T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
719 PM CDT TUE JUL 19 2011
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN CLARK COUNTY IN CENTRAL WISCONSIN...
WESTERN TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN...
* UNTIL 745 PM CDT
* AT 714 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 4 MILES NORTH OF PERKINSTOWN...OR 16 MILES NORTHWEST OF
MEDFORD...MOVING SOUTHEAST AT 45 MPH.
* THE TORNADO WILL BE NEAR...
HIGHWAY 64 AND COUNTY D D AND ESADORE LAKE AROUND 725 PM...
COUNTY ROADS A AND E AROUND 735 PM...
DORCHESTER AND OWEN AROUND 740 PM...
ABBOTSFORD AND CURTISS AROUND 745 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 4504 9030 4493 9031 4493 9056 4524 9077
4532 9055
TIME...MOT...LOC 0019Z 330DEG 41KT 4520 9060
$$
HALBACH1 follow-up statement
700
WWUS53 KARX 200033
SVSARX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
733 PM CDT TUE JUL 19 2011
WIC019-119-200045-
/O.CON.KARX.TO.W.0024.000000T0000Z-110720T0045Z/
CLARK WI-TAYLOR WI-
733 PM CDT TUE JUL 19 2011
...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN TAYLOR AND
NORTHEASTERN CLARK COUNTIES UNTIL 745 PM CDT...
AT 728 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR HIGHWAY 64 AND COUNTY D D...OR 9 MILES WEST OF
MEDFORD...MOVING SOUTHEAST AT 45 MPH.
* THE TORNADO WILL BE NEAR...
DORCHESTER AND OWEN AROUND 740 PM...
ABBOTSFORD AND CURTISS AROUND 745 PM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER IN A BASEMENT OR IN AN INTERIOR ROOM ON THE LOWEST FLOOR
AND STAY AWAY FROM WINDOWS! CARS AND MOBILE HOMES SHOULD BE ABANDONED
FOR A STURDY BUILDING. AS A LAST RESORT...LAY FLAT IN A DITCH AND
COVER YOUR HEAD.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM WEDNESDAY
MORNING FOR NORTH CENTRAL WISCONSIN.
&&
LAT...LON 4504 9030 4493 9031 4493 9056 4524 9077
4532 9055
TIME...MOT...LOC 0033Z 330DEG 41KT 4506 9049
$$
HALBACHThe office that day
Everything else NWS La Crosse, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 7:43 PM CDT | Tornado Warning | ARX | Clark, Taylor | 32 min |
| Jul 19, 7:45 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 60 min |
| Jul 19, 8:37 PM CDT | Flash Flood Warning | ARX | Clark, Taylor | 4 hr |
| Jul 19, 8:45 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Taylor | 60 min |
| Jul 19, 9:41 PM CDT | Flash Flood Warning | ARX | Clark | 3 hr |
| Jul 19, 9:45 PM CDT | Severe Thunderstorm Warning | ARX | Clark, Jackson, Trempealeau | 60 min |
| Jul 19, 10:27 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 63 min |
| Jul 20, 12:25 AM CDT | Areal Flood Warning | ARX | Clark, Taylor | 9 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.