Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 21, NWS Louisville, KY

April 4, 20115 counties in Kentucky

NWS Louisville, KY issued this tornado warning at Apr 4, 2011, 1:10 PM CDT for 5 counties in Kentucky. 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: Apr 4, 2011, 1:10 PM CDT (18:10 UTC)
Expired: Apr 4, 2011, 1:45 PM CDT
In force: 35 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

Counties Green County, KY, Hart County, KY, Larue County, KY, Marion County, KY, Taylor County, KY

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 18:11 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
Apr 4, 11:34 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.2 hours before the alert went out and 170 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: 68 J/kg
Mixed-layer CIN: -640 J/kg
Mixed-layer LCL: 855 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 370 m²/s²
0-3 km storm-relative helicity: 507 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

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

126 
WFUS53 KLMK 041810
TORLMK
KYC087-099-123-155-217-041845-
/O.NEW.KLMK.TO.W.0021.110404T1810Z-110404T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
110 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN LARUE COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHERN GREEN COUNTY IN SOUTH CENTRAL KENTUCKY...
  NORTHEASTERN HART COUNTY IN SOUTH CENTRAL KENTUCKY...
  WESTERN MARION COUNTY IN SOUTH CENTRAL KENTUCKY...
  NORTHWESTERN TAYLOR COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 145 PM CDT/245 PM EDT/...

* AT 107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR MUNFORDVILLE...MOVING EAST AT 65 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  MUNFORDVILLE...
  LINWOOD AND POWDER MILL...
  HUDGINS AND LOBB...
  BLOYD AND ALLENDALE...
  WHITE ROSE AND MAC...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A VEHICLE OR OUTDOORS...MOVE TO
THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING
DEBRIS.

&&

LAT...LON 3756 8536 3735 8535 3725 8590 3737 8593
TIME...MOT...LOC 1810Z 252DEG 58KT 3733 8586

$$

TWF

1 follow-up statement

707 
WWUS53 KLMK 041826
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
226 PM EDT MON APR 4 2011

KYC099-041834-
/O.CAN.KLMK.TO.W.0021.000000T0000Z-110404T1845Z/
HART KY-
126 PM CDT MON APR 4 2011

...THE TORNADO WARNING FOR NORTHEASTERN HART COUNTY IS CANCELLED...

ALTHOUGH THUNDERSTORMS CONTINUE OVER THE AREA...THE TORNADO THREAT 
HAS MOVED EAST OUT OF THE COUNTY.

LAT...LON 3736 8570 3738 8569 3739 8566 3742 8567
      3746 8565 3756 8536 3735 8535 3731 8568
TIME...MOT...LOC 1824Z 252DEG 58KT 3739 8559

$$

KYC087-123-155-217-041845-
/O.CON.KLMK.TO.W.0021.000000T0000Z-110404T1845Z/
LARUE KY-MARION KY-TAYLOR KY-GREEN KY-
226 PM EDT MON APR 4 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT/145 PM CDT/
FOR NORTHERN GREEN...NORTHWESTERN TAYLOR...WESTERN MARION AND
SOUTHEASTERN LARUE COUNTIES...

AT 121 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH ROTATION. THIS TORNADO WAS LOCATED NEAR 
LOBB...MOVING EAST AT 60 MPH.

* THE TORNADO WILL ALSO IMPACT...
  WHITE ROSE AND MAC...
  WILLOWTOWN AND HOBSON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...OR FLOODING TO THE NATIONAL WEATHER 
SERVICE...CALL TOLL FREE AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU 
CAN DO SO SAFELY.

&&

LAT...LON 3736 8570 3738 8569 3739 8566 3742 8567
      3746 8565 3756 8536 3735 8535 3731 8568
TIME...MOT...LOC 1824Z 252DEG 58KT 3739 8559

$$

TWF

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 8:04 PM CDT	Wind Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	18 hr
Apr 4, 9:56 AM CDT	Special Weather Statement	LMK	Breckinridge, Ohio	19 min
Apr 4, 10:51 AM CDT	Special Weather Statement	LMK	Breckinridge, Hancock, Meade	24 min
Apr 4, 11:22 AM CDT	Special Weather Statement	LMK	Ohio	23 min
Apr 4, 11:38 AM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock, Ohio	22 min
Apr 4, 11:52 AM CDT	Severe Thunderstorm Warning	LMK	Ohio	23 min
Apr 4, 12:01 PM CDT	Special Weather Statement	LMK	Breckinridge, Butler, Hancock, Logan, Ohio	44 min
Apr 4, 12:05 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Grayson, Ohio	25 min
Apr 4, 12:06 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Meade	24 min
Apr 4, 12:16 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Logan, Simpson, Warren	29 min
Apr 4, 12:17 PM CDT	Tornado Warning	LMK	Butler, Grayson, Ohio	13 min
Apr 4, 12:22 PM CDT	Tornado Warning	LMK	Butler, Logan, Warren	23 min
Apr 4, 12:23 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson, Meade	22 min
Apr 4, 12:26 PM CDT	Tornado Warning	LMK	Logan, Simpson	34 min
Apr 4, 12:27 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hardin	33 min
Apr 4, 12:29 PM CDT	Areal Flood Advisory	LMK	Breckinridge, Butler, Grayson, Hancock, Logan, Meade and 1 more	5 hr
Apr 4, 12:32 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Meade	43 min
Apr 4, 12:32 PM CDT	Tornado Warning	LMK	Butler, Grayson	28 min
Apr 4, 12:43 PM CDT	Tornado Warning	LMK	Butler, Edmonson, Grayson, Hart, Warren	32 min
Apr 4, 12:46 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Edmonson, Logan, Simpson, Warren	44 min
Apr 4, 12:48 PM CDT	Tornado Warning	LMK	Logan, Simpson	27 min
Apr 4, 12:55 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Nelson	35 min
Apr 4, 1:03 PM CDT	Severe Thunderstorm Warning	LMK	Green, Hardin, Hart, Larue, Marion, Nelson and 1 more	27 min
Apr 4, 1:06 PM CDT	Special Weather Statement	LMK	Henry, Jefferson, Oldham, Shelby	24 min
Apr 4, 1:10 PM CDT	Areal Flood Advisory	LMK	Bullitt, Edmonson, Hardin, Hart, Jefferson, Warren	4 hr
Apr 4, 1:18 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Nelson, Shelby, Spencer, Washington	27 min
Apr 4, 1:32 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Edmonson, Green, Hart, Metcalfe and 2 more	43 min
Apr 4, 1:37 PM CDT	Severe Thunderstorm Warning	LMK	Marion, Mercer, Washington	23 min
Apr 4, 1:46 PM CDT	Tornado Warning	LMK	Marion	29 min
Apr 4, 1:58 PM CDT	Special Weather Statement	LMK	Bourbon, Franklin, Harrison, Nicholas, Scott, Woodford	47 min
Apr 4, 2:03 PM CDT	Severe Thunderstorm Warning	LMK	Fayette, Garrard, Jessamine, Mercer, Woodford	27 min
Apr 4, 2:15 PM CDT	Areal Flood Advisory	LMK	Allen, Barren, Green	3 hr
Apr 4, 2:21 PM CDT	Areal Flood Advisory	LMK	Simpson	3 hr
Apr 4, 2:22 PM CDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Madison	23 min
Apr 4, 2:25 PM CDT	Special Weather Statement	LMK	Adair, Clinton, Cumberland, Green, Metcalfe, Monroe and 1 more	65 min
Apr 4, 2:47 PM CDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland, Metcalfe, Monroe, Russell	43 min
Apr 4, 2:53 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	37 min
Apr 4, 3:03 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Lincoln, Russell	27 min
Apr 4, 3:06 PM CDT	Tornado Warning	LMK	Adair, Casey, Russell	24 min
Apr 4, 3:15 PM CDT	Areal Flood Advisory	LMK	Boyle, Casey, Larue, Marion, Mercer, Nelson and 3 more	2 hr
Apr 4, 3:30 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	30 min

Nearby

Tornado Warnings in Kentucky, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.