Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 22, NWS Louisville, KY

April 4, 2011Marion County, Kentucky

NWS Louisville, KY issued this tornado warning at Apr 4, 2011, 2:46 PM EDT for Marion County, Kentucky. It was in force for 29 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, 2:46 PM EDT (18:46 UTC)
Expired: Apr 4, 2011, 3:15 PM EDT
In force: 29 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

County Marion County, KY

The radar

The Louisville radar (KLVX), 80 km from the middle of the area, began a volume at 18:49 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
Apr 4, 12:34 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.8 hours before the alert went out and 196 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.

080 
WFUS53 KLMK 041846
TORLMK
KYC155-041915-
/O.NEW.KLMK.TO.W.0022.110404T1846Z-110404T1915Z/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AND EASTERN MARION COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 315 PM EDT...

* AT 244 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR FINLEY...MOVING NORTHEAST AT 50 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  LEBANON...
  RILEY AND PENICK...

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 3746 8535 3750 8538 3763 8516 3763 8505
      3753 8506 3745 8534
TIME...MOT...LOC 1846Z 247DEG 44KT 3749 8533

$$

TWF

1 follow-up statement

192 
WWUS53 KLMK 041900
SVSLMK

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

KYC155-041915-
/O.CON.KLMK.TO.W.0022.000000T0000Z-110404T1915Z/
MARION KY-
300 PM EDT MON APR 4 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR EASTERN
MARION COUNTY...

AT 258 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES. THIS TORNADO WAS LOCATED NEAR
PENICK...MOVING NORTHEAST AT 55 MPH.

* THE TORNADO WILL ALSO IMPACT...

  MAINLY RURAL AREAS OF EASTERN MARION COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3748 8523 3757 8526 3763 8516 3763 8505
      3753 8506
TIME...MOT...LOC 1900Z 247DEG 44KT 3756 8513

$$
JDG

The office that day

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

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