Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 3, NWS Louisville, KY

January 17, 2012Jefferson County, Shelby County, Spencer County, Kentucky

NWS Louisville, KY issued this tornado warning at Jan 17, 2012, 11:20 AM EST for Jefferson County, Shelby County, Spencer County, Kentucky. It was in force for 25 min. 1 report 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: Jan 17, 2012, 11:20 AM EST (16:20 UTC)
Expired: Jan 17, 2012, 11:45 AM EST
In force: 25 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

Counties Jefferson County, KY, Shelby County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 53 km from the middle of the area, began a volume at 16:21 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
Jan 17, 11:20 AM EST	TORNADO	1 Nnw Fern Creek, KY	AN NWS STORM SURVEY CONFIRMED AN EF-1 TORNADO WITH WINDS OF 95-100 MPH TOUCHED DOWN JUST TO THE NORTH OF THE INTERSECTION OF STONY BROOK DR AND HURSTBOURNE PKWY. THE TORNADO TRAVELED TO THE NNE FOR 0.45 MILES AND LIFTED NEAR THE INTERSECTION OF LAVERNE DR AND

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.3 hours before the alert went out and 198 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 602 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 818 m²/s²
0-3 km storm-relative helicity: 844 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.

316 
WFUS53 KLMK 171620
TORLMK
KYC111-211-215-171645-
/O.NEW.KLMK.TO.W.0003.120117T1620Z-120117T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1120 AM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHWESTERN SHELBY COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHERN SPENCER COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 1145 AM EST...

* AT 1117 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR FERN CREEK...MOVING EAST AT 55 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  JEFFERSONTOWN...
  FERN CREEK...
  HIGHVIEW...
  FISHERVILLE AND ROUTT...
  L S PARK AND WILSONVILLE...
  FINCHVILLE AND VEECH...
  OLIVE BRANCH...

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 3821 8513 3806 8511 3810 8544 3811 8543
      3812 8543 3810 8548 3812 8564 3822 8563
TIME...MOT...LOC 1620Z 270DEG 47KT 3817 8557

$$

EER

2 follow-up statements

994 
WWUS53 KLMK 171634
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1134 AM EST TUE JAN 17 2012

KYC111-171643-
/O.CAN.KLMK.TO.W.0003.000000T0000Z-120117T1645Z/
JEFFERSON KY-
1134 AM EST TUE JAN 17 2012

...THE TORNADO WARNING FOR EASTERN JEFFERSON COUNTY IS CANCELLED...

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 3821 8513 3806 8511 3809 8534 3809 8541
      3810 8543 3822 8541
TIME...MOT...LOC 1633Z 270DEG 47KT 3817 8535

$$

KYC211-215-171645-
/O.CON.KLMK.TO.W.0003.000000T0000Z-120117T1645Z/
SHELBY KY-SPENCER KY-
1134 AM EST TUE JAN 17 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM EST FOR NORTHERN
SPENCER AND SOUTHERN SHELBY COUNTIES...

AT 1130 AM EST...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE 
A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS STORM HAS CAUSED 
POWER OUTAGES IN THE FERN CREEK AREA AREA OF JEFFERSON COUNTY. THIS 
DANGEROUS STORM WAS LOCATED NEAR L S PARK...MOVING EAST AT 55 MPH.

* THIS DANGEROUS STORM WILL ALSO IMPACT...
  OLIVE BRANCH...
  HOOPER AND SOUTHVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3821 8513 3806 8511 3809 8534 3809 8541
      3810 8543 3822 8541
TIME...MOT...LOC 1633Z 270DEG 47KT 3817 8535

$$

EER

008 
WWUS53 KLMK 171645
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1145 AM EST TUE JAN 17 2012

KYC211-215-171656-
/O.EXP.KLMK.TO.W.0003.000000T0000Z-120117T1645Z/
SHELBY KY-SPENCER KY-
1145 AM EST TUE JAN 17 2012

...THE TORNADO WARNING FOR NORTHERN SPENCER AND SOUTHERN SHELBY
COUNTIES HAS EXPIRED...

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 3821 8513 3806 8511 3809 8534 3809 8541
      3810 8543 3822 8541
TIME...MOT...LOC 1634Z 270DEG 47KT 3817 8533

$$

EER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 17, 10:14 AM EST	Severe Thunderstorm Warning	LMK	Meade	31 min
Jan 17, 10:27 AM EST	Tornado Warning	LMK	Hancock	43 days
Jan 17, 10:34 AM EST	Severe Thunderstorm Warning	LMK	Trimble	26 min
Jan 17, 10:43 AM EST	Severe Thunderstorm Warning	LMK	Meade	17 min
Jan 17, 10:50 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock	25 min
Jan 17, 10:54 AM EST	Tornado Warning	LMK	Jefferson, Oldham	36 min
Jan 17, 10:57 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	18 min
Jan 17, 11:00 AM EST	Special Weather Statement	LMK	Jefferson	30 min
Jan 17, 11:02 AM EST	Special Weather Statement	LMK	Trimble	28 min
Jan 17, 11:07 AM EST	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson	23 min
Jan 17, 11:11 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock, Ohio	19 min
Jan 17, 11:19 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Meade	26 min
Jan 17, 11:23 AM EST	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Nelson, Spencer	37 min
Jan 17, 11:25 AM EST	Severe Thunderstorm Warning	LMK	Henry, Oldham, Trimble	35 min
Jan 17, 11:29 AM EST	Tornado Warning	LMK	Breckinridge, Grayson, Hardin	16 min
Jan 17, 11:42 AM EST	Severe Thunderstorm Warning	LMK	Shelby, Spencer	18 min
Jan 17, 11:44 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Larue, Meade, Nelson	31 min
Jan 17, 11:52 AM EST	Severe Thunderstorm Warning	LMK	Anderson, Fayette, Franklin, Scott, Shelby, Spencer and 1 more	23 min
Jan 17, 12:06 PM EST	Special Weather Statement	LMK	Grayson, Larue	24 min
Jan 17, 12:07 PM EST	Severe Thunderstorm Warning	LMK	Anderson, Mercer, Nelson, Spencer, Washington	23 min
Jan 17, 12:14 PM EST	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Scott, Woodford	31 min
Jan 17, 12:16 PM EST	Special Weather Statement	LMK	Logan	29 min
Jan 17, 12:24 PM EST	Severe Thunderstorm Warning	LMK	Grayson, Green, Hardin, Hart, Larue, Nelson and 1 more	36 min
Jan 17, 12:27 PM EST	Tornado Warning	LMK	Grayson, Green, Hardin, Hart, Larue	33 min
Jan 17, 12:28 PM EST	Severe Thunderstorm Warning	LMK	Butler, Logan, Warren	17 min
Jan 17, 12:39 PM EST	Special Weather Statement	LMK	Edmonson, Hart	36 min
Jan 17, 12:46 PM EST	Severe Thunderstorm Warning	LMK	Allen, Barren, Edmonson, Warren	29 min
Jan 17, 12:48 PM EST	Special Weather Statement	LMK	Simpson	27 min
Jan 17, 12:50 PM EST	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Nicholas	25 min
Jan 17, 12:56 PM EST	Tornado Warning	LMK	Warren	19 min
Jan 17, 1:10 PM EST	Special Weather Statement	LMK	Casey, Green, Taylor	35 min
Jan 17, 1:12 PM EST	Special Weather Statement	LMK	Allen, Barren, Metcalfe, Simpson	33 min
Jan 17, 1:14 PM EST	Special Weather Statement	LMK	Madison	31 min
Jan 17, 1:14 PM EST	Severe Thunderstorm Warning	LMK	Allen, Simpson	16 min
Jan 17, 1:16 PM EST	Special Weather Statement	LMK	Garrard	44 min
Jan 17, 1:20 PM EST	Tornado Warning	LMK	Allen, Simpson	25 min
Jan 17, 1:25 PM EST	Severe Thunderstorm Warning	LMK	Boyle, Garrard, Lincoln, Madison	35 min
Jan 17, 1:26 PM EST	Severe Thunderstorm Warning	LMK	Clark, Madison	19 min
Jan 17, 1:30 PM EST	Severe Thunderstorm Warning	LMK	Adair, Casey, Green, Hart, Marion, Taylor	30 min
Jan 17, 1:43 PM EST	Tornado Warning	LMK	Allen, Barren, Monroe	32 min
Jan 17, 1:52 PM EST	Severe Thunderstorm Warning	LMK	Casey, Lincoln	23 min
Jan 17, 1:59 PM EST	Severe Thunderstorm Warning	LMK	Adair, Casey, Russell, Taylor	31 min
Jan 17, 2:13 PM EST	Tornado Warning	LMK	Cumberland, Monroe	13 min

Nearby

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