Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 85, NWS Louisville, KY

March 23, 2012Trimble County, Kentucky

NWS Louisville, KY issued this tornado warning at Mar 23, 2012, 3:40 PM EDT for Trimble County, Kentucky. It was in force for 5 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, 3:40 PM EDT (19:40 UTC)
Expired
Mar 23, 2012, 3:45 PM EDT
In force
5 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

County Trimble County, KY

The radar

The Louisville radar (KLVX), 94 km from the middle of the area, began a volume at 19:42 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, 7.7 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, 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.

419 
WFUS53 KLMK 231940
TORLMK
KYC223-231945-
/O.NEW.KLMK.TO.W.0085.120323T1940Z-120323T1945Z/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN TRIMBLE COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 345 PM EDT...

* AT 337 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED OVER EASTERN TRIMBLE COUNTY...MOVING NORTHEAST AT
  25 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...

  MAINLY RURAL AREAS OF EASTERN TRIMBLE 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 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 3864 8523 3863 8522 3861 8521 3858 8521
      3856 8524 3860 8529 3865 8525
TIME...MOT...LOC 1940Z 208DEG 22KT 3862 8523

$$

AMS
1 follow-up statement
125 
WWUS53 KLMK 231946
SVSLMK

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

KYC223-231957-
/O.EXP.KLMK.TO.W.0085.000000T0000Z-120323T1945Z/
TRIMBLE KY-
346 PM EDT FRI MAR 23 2012

...THE TORNADO WARNING FOR EASTERN TRIMBLE COUNTY HAS EXPIRED...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA.

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 3864 8523 3863 8522 3861 8521 3858 8521
      3856 8524 3860 8529 3865 8525
TIME...MOT...LOC 1940Z 208DEG 22KT 3862 8523

$$

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, 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, 3:56 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.