Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 84, NWS Louisville, KY

March 23, 2012Jefferson County, Shelby County, Spencer County, Kentucky

NWS Louisville, KY issued this tornado warning at Mar 23, 2012, 2:27 PM EDT for Jefferson County, Shelby County, Spencer County, Kentucky. It was in force for 33 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
Mar 23, 2012, 2:27 PM EDT (18:27 UTC)
Expired
Mar 23, 2012, 3:00 PM EDT
In force
33 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), 67 km from the middle of the area, began a volume at 18:28 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
Mar 23, 2:28 PM EDTTORNADO2 E Finchville, KYEF1 TORNADO DAMAGED BARNS AND UPROOTED TREES ALONG 2.25 MILE PATH

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, 6.5 hours before the alert went out and 184 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, Cncnati-Daytn, OH at 12:00Z on 2012-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 233 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, Cncnati-Daytn, OH at 12:00Z on 2012-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 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
233 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1093 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
82 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.

566 
WFUS53 KLMK 231827
TORLMK
KYC111-211-215-231900-
/O.NEW.KLMK.TO.W.0084.120323T1827Z-120323T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
227 PM EDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

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

* UNTIL 300 PM EDT...

* AT 223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING TORNADOES. THESE   
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM   
WILSONVILLE TO LITTLE MOUNT...MOVING NORTHEAST AT 30 MPH.

* THESE TORNADIC STORMS WILL ALSO IMPACT...
  SHELBYVILLE...
  CONNER AND SIMPSONVILLE...
  MIDDLETOWN HEIGHTS AND JOYES...
  TODDS POINT...
  MULBERRY AND CHESTNUT GROVE...

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 3826 8506 3806 8524 3814 8550 3831 8533
      3831 8532
TIME...MOT...LOC 1827Z 212DEG 27KT 3816 8541 3810 8523

$$

AMS
3 follow-up statements
382 
WWUS53 KLMK 231831
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
231 PM EDT FRI MAR 23 2012

KYC111-215-231842-
/O.CAN.KLMK.TO.W.0084.000000T0000Z-120323T1900Z/
JEFFERSON KY-SPENCER KY-
231 PM EDT FRI MAR 23 2012

...THE TORNADO WARNING FOR NORTHERN SPENCER AND EASTERN JEFFERSON
COUNTIES 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 3826 8506 3809 8522 3815 8542 3823 8541
      3831 8533 3831 8532
TIME...MOT...LOC 1832Z 212DEG 27KT 3819 8538 3813 8520

$$

KYC211-231900-
/O.CON.KLMK.TO.W.0084.000000T0000Z-120323T1900Z/
SHELBY KY-
231 PM EDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR SHELBY
COUNTY...

AT 228 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
LINE OF SEVERE THUNDERSTORMS WITH AREAS OF STRONG ROTATION. THESE 
DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM L S PARK 
TO OLIVE BRANCH...MOVING NORTHEAST AT 30 MPH.

* THESE DANGEROUS STORMS WILL ALSO IMPACT...
  SHELBYVILLE...
  MIDDLETOWN HEIGHTS AND JOYES...
  TODDS POINT...
  MULBERRY...

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 3826 8506 3809 8522 3815 8542 3823 8541
      3831 8533 3831 8532
TIME...MOT...LOC 1832Z 212DEG 27KT 3819 8538 3813 8520

$$

AMS
181 
WWUS53 KLMK 231839 RRA
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
239 PM EDT FRI MAR 23 2012

KYC211-231900-
/O.CON.KLMK.TO.W.0084.000000T0000Z-120323T1900Z/
SHELBY KY-
239 PM EDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR CENTRAL
SHELBY COUNTY...

AT 237 PM EDT...A LINE OF TORNADO PRODUCING STORMS WAS REPORTED.
THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
MONTCLAIR TO VEACHLAND...MOVING NORTHEAST AT 30 MPH.

* THESE DANGEROUS STORMS WILL ALSO IMPACT...
  SHELBYVILLE...
  TODDS POINT...
  MULBERRY...

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 3826 8506 3813 8525 3826 8537 3831 8533
      3831 8532
TIME...MOT...LOC 1840Z 212DEG 27KT 3824 8534 3818 8516

$$

JSD
095 
WWUS53 KLMK 231854
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
254 PM EDT FRI MAR 23 2012

KYC211-231904-
/O.EXP.KLMK.TO.W.0084.000000T0000Z-120323T1900Z/
SHELBY KY-
254 PM EDT FRI MAR 23 2012

...THE TORNADO WARNING FOR CENTRAL SHELBY COUNTY WILL EXPIRE AT 300
PM EDT...

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

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 3826 8506 3813 8525 3826 8537 3831 8533
      3831 8532
TIME...MOT...LOC 1854Z 212DEG 27KT 3833 8527 3827 8509

$$

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 1:58 PM EDTSpecial Weather StatementLMKSpencer32 min
Mar 23, 2:18 PM EDTTornado WarningLMKJefferson27 min
Mar 23, 3:00 PM EDTSpecial Weather StatementLMKHenry30 min
Mar 23, 3:30 PM EDTSpecial Weather StatementLMKTrimble30 min
Mar 23, 3:40 PM EDTTornado WarningLMKTrimble5 min
Mar 23, 3:56 PM EDTSpecial Weather StatementLMKNelson34 min
Mar 23, 6:31 PM EDTSpecial Weather StatementLMKBreckinridge29 min
Mar 23, 6:49 PM EDTSpecial Weather StatementLMKBreckinridge26 min
Mar 23, 6:50 PM EDTSevere Thunderstorm WarningLMKBreckinridge25 min
Mar 23, 7:23 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Meade14 min
Mar 23, 7:23 PM EDTSevere Thunderstorm WarningLMKMeade37 min
Mar 23, 7:33 PM EDTSpecial Weather StatementLMKHardin27 min
Mar 23, 7:43 PM EDTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade32 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.