Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

February 29, 2012Trimble County, Kentucky; 4 counties in Indiana

NWS Louisville, KY issued this special weather statement at Feb 29, 2012, 1:53 AM EST for Trimble County, Kentucky; 4 counties in Indiana. It was in force for 52 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
Feb 29, 2012, 1:53 AM EST (06:53 UTC)
Expired
Feb 29, 2012, 2:45 AM EST
In force
52 min
Issued by
NWS Louisville, KY

Counties Clark County, IN, Jefferson County, IN, Scott County, IN, Washington County, IN, Trimble County, KY

The radar

The Louisville radar (KLVX), 76 km from the middle of the area, began a volume at 06:53 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

Nashville Metro, TN (KBNA), launched 00:00Z, 6.9 hours before the alert went out and 290 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 00:00Z on 2012-02-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1873 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
309 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this special weather statement went out at Feb 29, 12:58 AM EST, 55 minutes earlier.

Area forecast discussion, Feb 29, 12:58 AM EST, 55 minutes before
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Hazardous weather outlook, Feb 28, 3:48 PM EST, 10 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTION
NATIONAL WEATHER SERVICE LOUISVILLE KY
348 PM EST TUE FEB 28 2012

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-292100-
ORANGE IN-WASHINGTON IN-SCOTT IN-JEFFERSON IN-DUBOIS IN-
CRAWFORD IN-PERRY IN-HARRISON IN-FLOYD IN-CLARK IN-HANCOCK KY-
BRECKINRIDGE KY-MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY-BULLITT KY-
JEFFERSON KY-OLDHAM KY-TRIMBLE KY-HENRY KY-SHELBY KY-FRANKLIN KY-
SCOTT KY-HARRISON KY-SPENCER KY-ANDERSON KY-WOODFORD KY-
FAYETTE KY-BOURBON KY-NICHOLAS KY-NELSON KY-WASHINGTON KY-
MERCER KY-JESSAMINE KY-CLARK KY-LARUE KY-MARION KY-BOYLE KY-
GARRARD KY-MADISON KY-BUTLER KY-EDMONSON KY-HART KY-GREEN KY-
TAYLOR KY-CASEY KY-LINCOLN KY-LOGAN KY-WARREN KY-SIMPSON KY-
ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-ADAIR KY-RUSSELL KY-
CUMBERLAND KY-CLINTON KY-
348 PM EST TUE FEB 28 2012 /248 PM CST TUE FEB 28 2012/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
INDIANA AND CENTRAL KENTUCKY.

.DAY ONE...TONIGHT.

A WARM FRONT WILL BRING THUNDERSTORMS TO THE REGION AFTER MIDNIGHT.
THE MAIN THREATS WILL BE FREQUENT LIGHTNING..LOCALLY HEAVY
RAIN...AND POSSIBLY SOME SMALL HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A STRONG COLD FRONT WILL PASS THROUGH THE REGION ON WEDNESDAY.
A THIN BROKEN LINE OF THUNDERSTORMS IS EXPECTED TO RAPIDLY
DEVELOP ALONG THIS BOUNDARY DURING THE LATE MORNING HOURS WEST OF
I-65 AND PUSH EAST OF I-65 AFTER NOON EST. STRONG TO SEVERE
STORMS WILL BE POSSIBLE...WITH THE BEST CHANCE OF SEVERE WEATHER
OCCURRING EAST OF I-65 WHERE STORMS COULD PRODUCE DAMAGING
WINDS...HAIL...AND POSSIBLY AN ISOLATED TORNADO OR TWO. BRIEF HEAVY
RAINFALL AND LIGHTNING WILL ACCOMPANY ANY THUNDERSTORM.

OUTSIDE OF THUNDERSTORMS SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS
TO AT LEAST 35 MPH ARE EXPECTED.

ANOTHER LOW PRESSURE SYSTEM WILL DEEPEN RAPIDLY AS IT MOVES FROM
THE SOUTHERN PLAINS TO THE WESTERN GREAT LAKES ON FRIDAY. STRONG
TO SEVERE THUNDERSTORMS MAY DEVELOP FRIDAY AFTERNOON OR EVENING
AHEAD OF A COLD FRONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS WILL BE NEEDED ON WEDNESDAY...AND POSSIBLY FRIDAY
EVENING...TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE.

AL/13/JSD

In the hours before

Special weather statement, Feb 29, 1:53 AM EST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 29, 2:03 AM ESTSpecial Weather StatementLMKBreckinridge, Bullitt, Hardin, Meade, Nelson, Shelby and 2 more57 min
Feb 29, 2:23 AM ESTSpecial Weather StatementLMKButler, Edmonson, Hart, Larue52 min
Feb 29, 3:07 AM ESTSpecial Weather StatementLMKAnderson, Hardin, Larue, Marion, Mercer, Nelson and 1 more38 min
Feb 29, 3:40 AM ESTSpecial Weather StatementLMKBoyle, Garrard, Lincoln, Madison50 min
Feb 29, 7:20 AM ESTSevere Thunderstorm WarningLMKHancock25 min
Feb 29, 7:32 AM ESTSpecial Weather StatementLMKGrayson, Ohio43 min
Feb 29, 7:41 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Hancock, Meade34 min
Feb 29, 7:44 AM ESTTornado WarningLMKBreckinridge, Hancock, Meade15 min
Feb 29, 7:47 AM ESTTornado WarningLMKButler, Ohio28 min
Feb 29, 8:09 AM ESTTornado WarningLMKButler, Edmonson, Grayson, Ohio36 min
Feb 29, 8:11 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin, Ohio19 min
Feb 29, 8:13 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Bullitt, Hardin, Jefferson, Meade32 min
Feb 29, 8:13 AM ESTTornado WarningLMKTrimble17 min
Feb 29, 8:17 AM ESTSevere Thunderstorm WarningLMKHenry, Oldham, Trimble28 min
Feb 29, 8:20 AM ESTTornado WarningLMKBullitt, Hardin, Meade25 min
Feb 29, 8:23 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade22 min
Feb 29, 8:30 AM ESTSevere Thunderstorm WarningLMKHenry, Oldham, Shelby30 min
Feb 29, 8:32 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin28 min
Feb 29, 8:34 AM ESTTornado WarningLMKOhio26 min
Feb 29, 8:39 AM ESTSevere Thunderstorm WarningLMKBullitt, Hardin, Jefferson, Nelson, Shelby, Spencer36 min
Feb 29, 8:40 AM ESTTornado WarningLMKButler, Grayson, Ohio35 min
Feb 29, 8:42 AM ESTSevere Thunderstorm WarningLMKBullitt, Hardin, Nelson33 min
Feb 29, 8:49 AM ESTTornado WarningLMKGrayson26 min
Feb 29, 8:53 AM ESTSevere Thunderstorm WarningLMKHardin, Larue, Nelson22 min
Feb 29, 8:53 AM ESTSevere Thunderstorm WarningLMKFranklin, Harrison, Henry, Scott, Shelby37 min
Feb 29, 8:59 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin16 min
Feb 29, 9:02 AM ESTSevere Thunderstorm WarningLMKOhio28 min
Feb 29, 9:08 AM ESTSevere Thunderstorm WarningLMKGrayson, Ohio37 min
Feb 29, 9:10 AM ESTTornado WarningLMKGrayson20 min
Feb 29, 9:14 AM ESTSevere Thunderstorm WarningLMKAnderson, Fayette, Franklin, Mercer, Nelson, Scott and 2 more16 min
Feb 29, 9:14 AM ESTTornado WarningLMKGrayson16 min
Feb 29, 9:25 AM ESTTornado WarningLMKGrayson, Hardin20 min
Feb 29, 9:28 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hardin32 min
Feb 29, 9:32 AM ESTSpecial Weather StatementLMKBourbon, Clark, Fayette, Jessamine, Nicholas13 min
Feb 29, 9:40 AM ESTTornado WarningLMKHardin, Larue20 min
Feb 29, 9:44 AM ESTTornado WarningLMKGrayson26 min
Feb 29, 9:48 AM ESTAreal Flood AdvisoryLMKBreckinridge, Grayson, Hardin, Ohio3 hr
Feb 29, 9:55 AM ESTTornado WarningLMKGrayson, Hardin, Larue35 min
Feb 29, 9:58 AM ESTSevere Thunderstorm WarningLMKButler, Grayson, Ohio32 min
Feb 29, 9:59 AM ESTTornado WarningLMKHardin, Larue, Nelson31 min
Feb 29, 10:09 AM ESTSevere Thunderstorm WarningLMKButler, Logan, Warren36 min
Feb 29, 10:21 AM ESTSevere Thunderstorm WarningLMKNelson, Washington12 min
Feb 29, 10:21 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Butler, Grayson, Hardin, Ohio24 min
Feb 29, 10:21 AM ESTTornado WarningLMKLarue, Marion, Nelson, Washington24 min
Feb 29, 10:26 AM ESTTornado WarningLMKBreckinridge, Grayson, Hardin34 min
Feb 29, 10:35 AM ESTSpecial Weather StatementLMKAnderson, Mercer25 min
Feb 29, 10:47 AM ESTTornado WarningLMKMercer, Washington28 min
Feb 29, 10:56 AM ESTTornado WarningLMKGrayson, Hardin, Larue, Nelson34 min
Feb 29, 11:05 AM ESTFlash Flood WarningLMKBreckinridge, Grayson, Hardin3 hr
Feb 29, 11:16 AM ESTSevere Thunderstorm WarningLMKGarrard, Jessamine, Mercer, Woodford29 min
Feb 29, 11:18 AM ESTSpecial Weather StatementLMKButler, Logan27 min
Feb 29, 11:22 AM ESTTornado WarningLMKLarue, Marion, Nelson, Washington23 min
Feb 29, 11:28 AM ESTSpecial Weather StatementLMKHardin32 min
Feb 29, 11:41 AM ESTSpecial Weather StatementLMKLarue34 min
Feb 29, 11:44 AM ESTTornado WarningLMKBoyle, Marion, Mercer, Washington16 min
Feb 29, 11:50 AM ESTSevere Thunderstorm WarningLMKButler, Logan, Warren25 min
Feb 29, 11:51 AM ESTTornado WarningLMKHardin, Larue, Marion, Nelson24 min
Feb 29, 11:59 AM ESTAreal Flood AdvisoryLMKBarren, Butler, Edmonson, Hart, Logan, Warren3 hr
Feb 29, 12:01 PM ESTTornado WarningLMKBoyle, Garrard, Jessamine, Mercer29 min
Feb 29, 12:02 PM ESTAreal Flood AdvisoryLMKFayette, Garrard, Hardin, Jessamine, Larue, Marion and 4 more3 hr
Feb 29, 12:20 PM ESTSpecial Weather StatementLMKEdmonson, Warren25 min
Feb 29, 12:22 PM ESTSevere Thunderstorm WarningLMKBarren, Butler, Edmonson, Hart, Warren23 min
Feb 29, 12:27 PM ESTFlash Flood WarningLMKBarren, Butler, Edmonson, Hart, Logan, Warren3 hr
Feb 29, 12:28 PM ESTTornado WarningLMKClark, Fayette, Jessamine, Madison32 min
Feb 29, 12:32 PM ESTSpecial Weather StatementLMKLogan13 min
Feb 29, 12:37 PM ESTTornado WarningLMKBarren, Edmonson, Hart, Warren23 min
Feb 29, 12:40 PM ESTSevere Thunderstorm WarningLMKButler, Logan, Simpson, Warren35 min
Feb 29, 12:45 PM ESTTornado WarningLMKLogan, Simpson, Warren30 min
Feb 29, 12:50 PM ESTTornado WarningLMKClark, Madison10 min
Feb 29, 1:01 PM ESTSevere Thunderstorm WarningLMKGreen, Hart, Metcalfe, Taylor29 min
Feb 29, 1:13 PM ESTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart, Warren32 min
Feb 29, 1:16 PM ESTFlash Flood WarningLMKGreen, Taylor3 hr
Feb 29, 1:31 PM ESTAreal Flood AdvisoryLMKCasey, Garrard, Lincoln, Madison3 hr
Feb 29, 1:40 PM ESTTornado WarningLMKAdair, Barren, Green, Hart, Metcalfe35 min
Feb 29, 1:55 PM ESTFlash Flood WarningLMKAdair, Casey, Garrard, Lincoln, Madison3 hr
Feb 29, 2:06 PM ESTSevere Thunderstorm WarningLMKAdair, Casey, Russell24 min
Feb 29, 2:14 PM ESTTornado WarningLMKAdair, Casey, Russell31 min
Feb 29, 2:37 PM ESTSpecial Weather StatementLMKRussell23 min
Feb 29, 2:50 PM ESTSevere Thunderstorm WarningLMKRussell25 min
Feb 29, 3:53 PM ESTSevere Thunderstorm WarningLMKClinton22 min

Nearby

Special Weather Statements in Indiana, 2012Special Weather Statements in Kentucky, 2012Every special weather statement 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.