Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 83, NWS Louisville, KY

March 23, 2012Jefferson County, Kentucky

NWS Louisville, KY issued this tornado warning at Mar 23, 2012, 2:18 PM EDT for Jefferson 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
Mar 23, 2012, 2:18 PM EDT (18:18 UTC)
Expired
Mar 23, 2012, 2:45 PM EDT
In force
27 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

County Jefferson County, KY

The radar

The Louisville radar (KLVX), 45 km from the middle of the area, began a volume at 18:18 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.3 hours before the alert went out and 202 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.

693 
WFUS53 KLMK 231818
TORLMK
KYC111-231845-
/O.NEW.KLMK.TO.W.0083.120323T1818Z-120323T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
218 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...

* UNTIL 245 PM EDT...

* AT 217 PM EDT...THE PUBLIC REPORTED A TORNADO NEAR FERN            
  CREEK...MOVING NORTHEAST AT 25 MPH.

* THE TORNADO WILL ALSO IMPACT...
  LYNDON...
  JEFFERSONTOWN...
  FERN CREEK...
  HIGHVIEW...
  MIDDLETOWN...
  FISHERVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT 
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN LOUISVILLE.

&&

LAT...LON 3823 8541 3822 8541 3810 8557 3814 8566
      3827 8559
TIME...MOT...LOC 1818Z 211DEG 23KT 3815 8558

$$

AL
3 follow-up statements
035 
WWUS53 KLMK 231827
SVSLMK

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

KYC111-231845-
/O.CON.KLMK.TO.W.0083.000000T0000Z-120323T1845Z/
JEFFERSON KY-
227 PM EDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR EASTERN
JEFFERSON COUNTY...

AT 223 PM EDT...THE PUBLIC REPORTED A TORNADO EARLIER WITH THIS 
STORM SOUTH OF THE GENE SNYDER. THIS DANGEROUS STORM WAS LOCATED 
NEAR JEFFERSONTOWN...MOVING NORTHEAST AT 25 MPH.

* THIS DANGEROUS STORM WILL ALSO IMPACT...
  LYNDON...
  JEFFERSONTOWN...
  MIDDLETOWN...
  MIDDLETOWN AND LYNDON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR 
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3815 8554 3816 8560 3827 8559 3824 8544
TIME...MOT...LOC 1826Z 211DEG 23KT 3819 8555

$$

AL
484 
WWUS53 KLMK 231831 RRA
SVSLMK

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

KYC111-231845-
/O.CON.KLMK.TO.W.0083.000000T0000Z-120323T1845Z/
JEFFERSON KY-
231 PM EDT FRI MAR 23 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 245 PM EDT FOR EASTERN
JEFFERSON COUNTY...

AT 228 PM EDT...THE PUBLIC REPORTED A TORNADO. THIS DANGEROUS STORM
WAS LOCATED NEAR JEFFERSONTOWN...MOVING NORTHEAST AT 25 MPH.

* THIS DANGEROUS STORM WILL ALSO IMPACT...

  MIDDLETOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST
RESORT...EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR
VEHICLE AND LIE DOWN IN A LOW LYING AREA.

&&

LAT...LON 3818 8551 3819 8558 3827 8559 3824 8544
TIME...MOT...LOC 1832Z 211DEG 23KT 3822 8552

$$

AL
468 
WWUS53 KLMK 231839
SVSLMK

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

KYC111-231849-
/O.EXP.KLMK.TO.W.0083.000000T0000Z-120323T1845Z/
JEFFERSON KY-
239 PM EDT FRI MAR 23 2012

...THE TORNADO WARNING FOR EASTERN JEFFERSON COUNTY WILL EXPIRE AT
245 PM EDT...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND NO LONGER 
APPEARS CAPABLE OF PRODUCING A TORNADO. THUS THE WARNING WILL EXPIRE 
MOMENTARILY. HOWEVER STRONG STORMS REMAIN IN THE AREA. THESE ARE 
CAPABLE OF PRODUCING PERIODS OF 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 3818 8551 3819 8558 3827 8559 3824 8544
TIME...MOT...LOC 1839Z 211DEG 23KT 3826 8549

$$

AL

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, 2:27 PM EDTTornado WarningLMKJefferson, Shelby, Spencer33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.