Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 20, NWS Louisville, KY

April 4, 2011Logan County, Simpson County, Kentucky

NWS Louisville, KY issued this tornado warning at Apr 4, 2011, 12:48 PM CDT for Logan County, Simpson County, Kentucky. It was in force for 27 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, 12:48 PM CDT (17:48 UTC)
Expired: Apr 4, 2011, 1:15 PM CDT
In force: 27 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

Counties Logan County, KY, Simpson County, KY

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, 7:22 AM CDT	Tornado Watch	SPC	7 hr
Apr 4, 11:34 AM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.8 hours before the alert went out and 68 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.

997 
WFUS53 KLMK 041748
TORLMK
KYC141-213-041815-
/O.NEW.KLMK.TO.W.0020.110404T1748Z-110404T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1248 PM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN LOGAN COUNTY IN SOUTH CENTRAL KENTUCKY...
  SIMPSON COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 115 PM CDT...

* AT 1245 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF RAIN-WRAPPED
  TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE. THIS
  DANGEROUS STORM WAS LOCATED NEAR DOT...MOVING EAST AT 55 MPH.

* THIS STORM WILL ALSO IMPACT...
  FRANKLIN...
  ADAIRVILLE AND OAKVILLE...
  SCHOCHOH AND HILLTOP...
  NEOSHEO AND PRICES MILL...
  TURNERTOWN AND SCHWEIZER...

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.

TO REPORT DAMAGING WINDS...LARGE HAIL...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 3670 8706 3684 8660 3683 8657 3666 8641
      3665 8683 3665 8707 3666 8707
TIME...MOT...LOC 1749Z 259DEG 46KT 3668 8695

$$

MJ

3 follow-up statements

445 
WWUS53 KLMK 041758
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1258 PM CDT MON APR 4 2011

KYC141-213-041815-
/O.CON.KLMK.TO.W.0020.000000T0000Z-110404T1815Z/
LOGAN KY-SIMPSON KY-
1258 PM CDT MON APR 4 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR SIMPSON
AND SOUTHERN LOGAN COUNTIES...

AT 1255 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR DOT...MOVING EAST AT 55 MPH.

* THE TORNADO WILL ALSO IMPACT...
  FRANKLIN...
  SCHOCHOH AND HILLTOP...
  NEOSHEO AND PRICES MILL...
  SCHWEIZER AND TURNERTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT DAMAGING WINDS...LARGE HAIL...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 3670 8706 3684 8660 3683 8657 3666 8641
      3665 8683 3665 8707 3666 8707
TIME...MOT...LOC 1759Z 259DEG 46KT 3668 8689

$$

MJ

556 
WWUS53 KLMK 041806
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
106 PM CDT MON APR 4 2011

KYC141-213-041815-
/O.CON.KLMK.TO.W.0020.000000T0000Z-110404T1815Z/
LOGAN KY-SIMPSON KY-
106 PM CDT MON APR 4 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CDT FOR SIMPSON
AND SOUTHERN LOGAN COUNTIES...

AT 104 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED
NEAR HILLTOP...MOVING EAST AT 55 MPH.

* THE TORNADO WILL ALSO IMPACT...
  FRANKLIN...
  FLAT ROCK AND SALMONS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT DAMAGING WINDS...LARGE HAIL...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 3665 8689 3668 8689 3673 8687 3684 8660
      3683 8657 3666 8641 3665 8683
TIME...MOT...LOC 1806Z 259DEG 46KT 3669 8678

$$

MJ

378 
WWUS53 KLMK 041816
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
116 PM CDT MON APR 4 2011

KYC141-213-041826-
/O.EXP.KLMK.TO.W.0020.000000T0000Z-110404T1815Z/
LOGAN KY-SIMPSON KY-
116 PM CDT MON APR 4 2011

...THE TORNADO WARNING FOR SIMPSON AND SOUTHERN LOGAN COUNTIES HAS
EXPIRED...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER
SEVERE. HOWEVER STRONG STORMS REMAIN IN THE AREA. THESE ARE CAPABLE
OF PRODUCING PERIODS OF HEAVY RAIN AND DANGEROUS LIGHTNING.

TO REPORT DAMAGING WINDS...LARGE HAIL...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 3665 8689 3668 8689 3673 8687 3684 8660
      3683 8657 3666 8641 3665 8683
TIME...MOT...LOC 1806Z 259DEG 46KT 3669 8678

$$

MJ

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, 12:55 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, 1:10 PM CDT	Tornado Warning	LMK	Green, Hart, Larue, Marion, Taylor	35 min
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.