Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 20, NWS Louisville, KY

February 29, 2012Grayson County, Kentucky

NWS Louisville, KY issued this tornado warning at Feb 29, 2012, 8:14 AM CST for Grayson County, Kentucky. It was in force for 16 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
Feb 29, 2012, 8:14 AM CST (14:14 UTC)
Expired
Feb 29, 2012, 8:30 AM CST
In force
16 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

County Grayson County, KY

The radar

The Louisville radar (KLVX), 63 km from the middle of the area, began a volume at 14:14 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

TimeReportWhereRemark
Feb 29, 8:21 AM CSTHAIL 0.88Leitchfield, KY
Feb 29, 8:26 AM CSTHAIL 1.75Leitchfield, KY

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.

IssuedProductOfficeLasted
Feb 29, 4:39 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 2.2 hours before the alert went out and 154 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2012-02-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 580 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 365 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
580 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
365 m²/s²
0-3 km storm-relative helicity
485 m²/s²
Significant tornado parameter
1.9
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

429 
WFUS53 KLMK 291414
TORLMK
KYC085-291430-
/O.NEW.KLMK.TO.W.0020.120229T1414Z-120229T1430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
814 AM CST WED FEB 29 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL GRAYSON COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 830 AM CST...

* AT 809 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
A   SEVERE THUNDERSTORM WITH VERY STRONG ROTATION CAPABLE OF 
PRODUCING A TORNADO. THIS DANGEROUS   STORM WAS LOCATED NEAR 
CANEYVILLE...MOVING EAST AT 50 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  LEITCHFIELD...
  BLACK ROCK...
  CLARKSON...

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 SEVERE WEATHER 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 3756 8624 3748 8620 3742 8650 3749 8652
TIME...MOT...LOC 1414Z 257DEG 42KT 3745 8642

$$

JDG
1 follow-up statement
757 
WWUS53 KLMK 291424 RRA
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
824 AM CST WED FEB 29 2012

KYC085-291430-
/O.CON.KLMK.TO.W.0020.000000T0000Z-120229T1430Z/
GRAYSON KY-
824 AM CST WED FEB 29 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 AM CST FOR CENTRAL
GRAYSON COUNTY...

AT 818 AM CST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. A ROTATING WALL CLOUD HAS 
BEEN SIGHTED JUST WEST OF LEITCHFIELD. NICKLE SIZE HAIL WAS REPORTED 
IN LEITCHFIELD AT 822 CST. THIS DANGEROUS STORM WAS LOCATED NEAR 
BLACK ROCK...MOVING EAST AT 50 MPH.

* THIS DANGEROUS STORM WILL ALSO IMPACT...
  LEITCHFIELD...
  CLARKSON...

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.

TO REPORT SEVERE WEATHER 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 3744 8639 3752 8641 3756 8624 3748 8620
TIME...MOT...LOC 1423Z 257DEG 42KT 3747 8629

$$
JDG

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 12:53 AM CSTSpecial Weather StatementLMKTrimble52 min
Feb 29, 1:03 AM CSTSpecial Weather StatementLMKBreckinridge, Bullitt, Hardin, Meade, Nelson, Shelby and 2 more57 min
Feb 29, 1:23 AM CSTSpecial Weather StatementLMKButler, Edmonson, Hart, Larue52 min
Feb 29, 2:07 AM CSTSpecial Weather StatementLMKAnderson, Hardin, Larue, Marion, Mercer, Nelson and 1 more38 min
Feb 29, 2:40 AM CSTSpecial Weather StatementLMKBoyle, Garrard, Lincoln, Madison50 min
Feb 29, 6:20 AM CSTSevere Thunderstorm WarningLMKHancock25 min
Feb 29, 6:32 AM CSTSpecial Weather StatementLMKGrayson, Ohio43 min
Feb 29, 6:41 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Hancock, Meade34 min
Feb 29, 6:44 AM CSTTornado WarningLMKBreckinridge, Hancock, Meade15 min
Feb 29, 6:47 AM CSTTornado WarningLMKButler, Ohio28 min
Feb 29, 7:09 AM CSTTornado WarningLMKButler, Edmonson, Grayson, Ohio36 min
Feb 29, 7:11 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin, Ohio19 min
Feb 29, 7:13 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Bullitt, Hardin, Jefferson, Meade32 min
Feb 29, 7:13 AM CSTTornado WarningLMKTrimble17 min
Feb 29, 7:17 AM CSTSevere Thunderstorm WarningLMKHenry, Oldham, Trimble28 min
Feb 29, 7:20 AM CSTTornado WarningLMKBullitt, Hardin, Meade25 min
Feb 29, 7:23 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade22 min
Feb 29, 7:30 AM CSTSevere Thunderstorm WarningLMKHenry, Oldham, Shelby30 min
Feb 29, 7:32 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin28 min
Feb 29, 7:34 AM CSTTornado WarningLMKOhio26 min
Feb 29, 7:39 AM CSTSevere Thunderstorm WarningLMKBullitt, Hardin, Jefferson, Nelson, Shelby, Spencer36 min
Feb 29, 7:40 AM CSTTornado WarningLMKButler, Grayson, Ohio35 min
Feb 29, 7:42 AM CSTSevere Thunderstorm WarningLMKBullitt, Hardin, Nelson33 min
Feb 29, 7:49 AM CSTTornado WarningLMKGrayson26 min
Feb 29, 7:53 AM CSTSevere Thunderstorm WarningLMKHardin, Larue, Nelson22 min
Feb 29, 7:53 AM CSTSevere Thunderstorm WarningLMKFranklin, Harrison, Henry, Scott, Shelby37 min
Feb 29, 7:59 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin16 min
Feb 29, 8:02 AM CSTSevere Thunderstorm WarningLMKOhio28 min
Feb 29, 8:08 AM CSTSevere Thunderstorm WarningLMKGrayson, Ohio37 min
Feb 29, 8:10 AM CSTTornado WarningLMKGrayson20 min
Feb 29, 8:14 AM CSTSevere Thunderstorm WarningLMKAnderson, Fayette, Franklin, Mercer, Nelson, Scott and 2 more16 min
Feb 29, 8:25 AM CSTTornado WarningLMKGrayson, Hardin20 min
Feb 29, 8:28 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin32 min
Feb 29, 8:32 AM CSTSpecial Weather StatementLMKBourbon, Clark, Fayette, Jessamine, Nicholas13 min
Feb 29, 8:40 AM CSTTornado WarningLMKHardin, Larue20 min
Feb 29, 8:44 AM CSTTornado WarningLMKGrayson26 min
Feb 29, 8:48 AM CSTAreal Flood AdvisoryLMKBreckinridge, Grayson, Hardin, Ohio3 hr
Feb 29, 8:55 AM CSTTornado WarningLMKGrayson, Hardin, Larue35 min
Feb 29, 8:58 AM CSTSevere Thunderstorm WarningLMKButler, Grayson, Ohio32 min
Feb 29, 8:59 AM CSTTornado WarningLMKHardin, Larue, Nelson31 min
Feb 29, 9:09 AM CSTSevere Thunderstorm WarningLMKButler, Logan, Warren36 min
Feb 29, 9:21 AM CSTSevere Thunderstorm WarningLMKNelson, Washington12 min
Feb 29, 9:21 AM CSTSevere Thunderstorm WarningLMKBreckinridge, Butler, Grayson, Hardin, Ohio24 min
Feb 29, 9:21 AM CSTTornado WarningLMKLarue, Marion, Nelson, Washington24 min
Feb 29, 9:26 AM CSTTornado WarningLMKBreckinridge, Grayson, Hardin34 min
Feb 29, 9:35 AM CSTSpecial Weather StatementLMKAnderson, Mercer25 min
Feb 29, 9:47 AM CSTTornado WarningLMKMercer, Washington28 min
Feb 29, 9:56 AM CSTTornado WarningLMKGrayson, Hardin, Larue, Nelson34 min
Feb 29, 10:05 AM CSTFlash Flood WarningLMKBreckinridge, Grayson, Hardin3 hr
Feb 29, 10:16 AM CSTSevere Thunderstorm WarningLMKGarrard, Jessamine, Mercer, Woodford29 min
Feb 29, 10:18 AM CSTSpecial Weather StatementLMKButler, Logan27 min
Feb 29, 10:22 AM CSTTornado WarningLMKLarue, Marion, Nelson, Washington23 min
Feb 29, 10:28 AM CSTSpecial Weather StatementLMKHardin32 min
Feb 29, 10:41 AM CSTSpecial Weather StatementLMKLarue34 min
Feb 29, 10:44 AM CSTTornado WarningLMKBoyle, Marion, Mercer, Washington16 min
Feb 29, 10:50 AM CSTSevere Thunderstorm WarningLMKButler, Logan, Warren25 min
Feb 29, 10:51 AM CSTTornado WarningLMKHardin, Larue, Marion, Nelson24 min
Feb 29, 10:59 AM CSTAreal Flood AdvisoryLMKBarren, Butler, Edmonson, Hart, Logan, Warren3 hr
Feb 29, 11:01 AM CSTTornado WarningLMKBoyle, Garrard, Jessamine, Mercer29 min
Feb 29, 11:02 AM CSTAreal Flood AdvisoryLMKFayette, Garrard, Hardin, Jessamine, Larue, Marion and 4 more3 hr
Feb 29, 11:20 AM CSTSpecial Weather StatementLMKEdmonson, Warren25 min
Feb 29, 11:22 AM CSTSevere Thunderstorm WarningLMKBarren, Butler, Edmonson, Hart, Warren23 min
Feb 29, 11:27 AM CSTFlash Flood WarningLMKBarren, Butler, Edmonson, Hart, Logan, Warren3 hr
Feb 29, 11:28 AM CSTTornado WarningLMKClark, Fayette, Jessamine, Madison32 min
Feb 29, 11:32 AM CSTSpecial Weather StatementLMKLogan13 min
Feb 29, 11:37 AM CSTTornado WarningLMKBarren, Edmonson, Hart, Warren23 min
Feb 29, 11:40 AM CSTSevere Thunderstorm WarningLMKButler, Logan, Simpson, Warren35 min
Feb 29, 11:45 AM CSTTornado WarningLMKLogan, Simpson, Warren30 min
Feb 29, 11:50 AM CSTTornado WarningLMKClark, Madison10 min
Feb 29, 12:01 PM CSTSevere Thunderstorm WarningLMKGreen, Hart, Metcalfe, Taylor29 min
Feb 29, 12:13 PM CSTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart, Warren32 min
Feb 29, 12:16 PM CSTFlash Flood WarningLMKGreen, Taylor3 hr
Feb 29, 12:31 PM CSTAreal Flood AdvisoryLMKCasey, Garrard, Lincoln, Madison3 hr
Feb 29, 12:40 PM CSTTornado WarningLMKAdair, Barren, Green, Hart, Metcalfe35 min
Feb 29, 12:55 PM CSTFlash Flood WarningLMKAdair, Casey, Garrard, Lincoln, Madison3 hr
Feb 29, 1:06 PM CSTSevere Thunderstorm WarningLMKAdair, Casey, Russell24 min
Feb 29, 1:14 PM CSTTornado WarningLMKAdair, Casey, Russell31 min
Feb 29, 1:37 PM CSTSpecial Weather StatementLMKRussell23 min
Feb 29, 1:50 PM CSTSevere Thunderstorm WarningLMKRussell25 min
Feb 29, 2:53 PM CSTSevere Thunderstorm WarningLMKClinton22 min

Nearby

Tornado Warnings in Kentucky, 2012Every tornado warning in 2012Tornadoes in 2012

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.