Alert archive / Wisconsin / Tornado Warnings in 2011

Tornado Warning 19, NWS La Crosse, WI

May 22, 2011Taylor County, Wisconsin

NWS La Crosse, WI issued this tornado warning at May 22, 2011, 5:04 PM CDT for Taylor County, Wisconsin. It was in force for 26 min. 2 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: May 22, 2011, 5:04 PM CDT (22:04 UTC)
Expired: May 22, 2011, 5:30 PM CDT
In force: 26 min
Issued by: NWS La Crosse, WI
Area: Storm-based polygon

County Taylor County, WI

The radar

The La Crosse radar (KARX), 168 km from the middle of the area, began a volume at 22:05 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
May 22, 5:14 PM CDT	TSTM WND DMG	10 Sse Hawkins, WI	LARGE TREES BLOWN DOWN.
May 22, 5:30 PM CDT	FUNNEL CLOUD	Hannibal, WI	POSSIBLY TOUCHED 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.

Issued	Product	Office	Lasted
May 22, 12:07 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.1 hours before the alert went out and 225 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: 351 J/kg
Mixed-layer CIN: -121 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: -1 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.4

Open this sounding in Storm Lab

The text

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

230 
WFUS53 KARX 222204
TORARX
WIC119-222230-
/O.NEW.KARX.TO.W.0019.110522T2204Z-110522T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LA CROSSE WI
504 PM CDT SUN MAY 22 2011

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN TAYLOR COUNTY IN NORTH CENTRAL WISCONSIN...

* UNTIL 530 PM CDT

* AT 501 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A
  TORNADO NORTH OF GILMAN...MOVING NORTHEAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  COUNTY ROADS D AND N AROUND 515 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 4518 9067 4526 9089 4538 9082 4539 9075
      4538 9050
TIME...MOT...LOC 2204Z 207DEG 33KT 4530 9072

$$

SHEA

2 follow-up statements

503 
WWUS53 KARX 222217
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
517 PM CDT SUN MAY 22 2011

WIC119-222230-
/O.CON.KARX.TO.W.0019.000000T0000Z-110522T2230Z/
TAYLOR WI-
517 PM CDT SUN MAY 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL TAYLOR
COUNTY UNTIL 530 PM CDT...

AT 515 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO LOCATED NEAR COUNTY ROADS D AND N...OR 20 MILES NORTHWEST OF 
MEDFORD...MOVING NORTHEAST AT 35 MPH. THIS ROTATION WILL SHIFT INTO 
PRICE COUNTY WISCONSIN SHORTLY.

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 IS ALSO IN EFFECT FOR THE WARNED AREA. SEVERE
THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES...AND CAN DO SO QUICKLY.
MOVE INTO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS.

&&

LAT...LON 4529 9057 4532 9075 4539 9075 4538 9050
TIME...MOT...LOC 2217Z 221DEG 30KT 4536 9061

$$

SHEA

166 
WWUS53 KARX 222226
SVSARX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LA CROSSE WI
526 PM CDT SUN MAY 22 2011

WIC119-222236-
/O.EXP.KARX.TO.W.0019.000000T0000Z-110522T2230Z/
TAYLOR WI-
526 PM CDT SUN MAY 22 2011

...THE TORNADO WARNING FOR NORTH CENTRAL TAYLOR COUNTY WILL EXPIRE AT
530 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA. THERE WERE NO LATER REPORTS OF TORNADOES IN NORTHWEST TAYLOR 
COUNTY.
 
ANOTHER STORM CLOSER TO MEDFORD AND DORCHESTER COULD ALSO BE 
PRODUCING A DEVELOPING TORNADO. A DIFFERENT TORNADO WARNING IS IN 
EFFECT FOR THAT AREA.

A TORNADO WATCH REMAINS IN EFFECT. CONDITIONS REMAIN FAVORABLE FOR
ADDITIONAL SEVERE THUNDERSTORMS TO DEVELOP THAT MAY PRODUCE
TORNADOES.

LAT...LON 4529 9057 4532 9075 4539 9075 4538 9050
TIME...MOT...LOC 2226Z 221DEG 30KT 4540 9051

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 2:16 PM CDT	Severe Thunderstorm Warning	ARX	Juneau, Monroe	44 min
May 22, 2:48 PM CDT	Tornado Warning	ARX	Adams, Juneau	27 min
May 22, 4:16 PM CDT	Tornado Warning	ARX	La Crosse, Vernon	29 min
May 22, 4:39 PM CDT	Severe Thunderstorm Warning	ARX	La Crosse, Monroe, Vernon	66 min
May 22, 4:49 PM CDT	Severe Thunderstorm Warning	ARX	Crawford, Grant	56 min
May 22, 4:56 PM CDT	Tornado Warning	ARX	Monroe	34 min
May 22, 5:05 PM CDT	Areal Flood Advisory	ARX	La Crosse	95 min
May 22, 5:05 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, La Crosse, Monroe	25 min
May 22, 5:07 PM CDT	Tornado Warning	ARX	Clark, Taylor	38 min
May 22, 5:28 PM CDT	Tornado Warning	ARX	Juneau, Monroe	32 min
May 22, 5:30 PM CDT	Severe Thunderstorm Warning	ARX	Jackson, Juneau	30 min
May 22, 5:41 PM CDT	Severe Thunderstorm Warning	ARX	Richland	49 min
May 22, 5:57 PM CDT	Tornado Warning	ARX	Juneau	19 min

Nearby

Tornado Warnings in Wisconsin, 2011 Every tornado warning in 2011 Tornadoes 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.