Alert archive / Kentucky / Special Weather Statements in 2011

Special Weather Statement, NWS Louisville, KY

April 15, 2011Logan County, Kentucky

NWS Louisville, KY issued this special weather statement at Apr 15, 2011, 7:04 PM CDT for Logan County, Kentucky. It was in force for 26 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
Apr 15, 2011, 7:04 PM CDT (00:04 UTC)
Expired
Apr 15, 2011, 7:30 PM CDT
In force
26 min
Issued by
NWS Louisville, KY

County Logan County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.1 hours before the alert went out and 90 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 2011-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 471 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
17 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
773 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
471 m²/s²
0-3 km storm-relative helicity
487 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 Apr 15, 6:01 PM CDT, 1 hour 3 minutes earlier.

Area forecast discussion, Apr 15, 6:01 PM CDT, 1 hour 3 minutes before
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Hazardous weather outlook, Apr 15, 2:51 PM CDT, 4 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
351 PM EDT FRI APR 15 2011

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-162000-
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-
351 PM EDT FRI APR 15 2011 /251 PM CDT FRI APR 15 2011/

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

.DAY ONE...TONIGHT.

SCATTERED STORMS WILL MOVE IN FROM WESTERN KENTUCKY THIS EVENING
AND WILL BE CAPABLE OF DAMAGING WINDS...ALONG WITH LARGE HAIL AND
ISOLATED TORNADOES. AS THE STORMS MOVE EAST OF I-65 THE MAIN
THREAT WILL TRANSITION FROM SEVERE WEATHER TO LOCALLY HEAVY RAIN.
THUNDERSTORM DOWNPOURS WILL BE CAPABLE OF TEMPORARY LOCAL FLOODING
PROBLEMS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THUNDERSTORMS WILL AGAIN BE POSSIBLE MID WEEK AS SEVERAL
DISTURBANCES MOVE THROUGH THE OHIO VALLEY ALONG A QUASI-STATIONARY
FRONTAL BOUNDARY. IF WE DO EXPERIENCE REPEATED THUNDERSTORM
ACTIVITY WE COULD SEE RIVERS ON THE RISE.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO REPORT SEVERE WEATHER...HEAVY RAIN...AND
FLOODING TO THE NATIONAL WEATHER SERVICE TONIGHT.

13

In the hours before

Local storm report, Apr 15, 3:05 PM CDT, 3 hours 59 minutes before
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Local storm report, Apr 15, 3:59 PM CDT, 3 hours 5 minutes before
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Special weather statement, Apr 15, 4:29 PM CDT, 2 hours 35 minutes before
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Local storm report, Apr 15, 4:32 PM CDT, 2 hours 32 minutes before
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Special weather statement, Apr 15, 6:03 PM CDT, 1 hour 1 minute before
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Special weather statement, Apr 15, 7:04 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 8:47 PM CDTSpecial Weather StatementLMKAllen28 min
Apr 15, 8:54 PM CDTSevere Thunderstorm WarningLMKAllen, Barren, Metcalfe36 min
Apr 15, 9:21 PM CDTSpecial Weather StatementLMKButler, Ohio24 min
Apr 15, 9:24 PM CDTSevere Thunderstorm WarningLMKGreen, Larue, Marion, Taylor36 min
Apr 15, 9:29 PM CDTTornado WarningLMKGreen, Marion, Taylor16 min
Apr 15, 9:43 PM CDTSevere Thunderstorm WarningLMKMarion, Taylor, Washington32 min
Apr 15, 9:46 PM CDTSpecial Weather StatementLMKButler, Hancock, Ohio29 min
Apr 15, 9:49 PM CDTSevere Thunderstorm WarningLMKLogan26 min
Apr 15, 10:00 PM CDTSevere Thunderstorm WarningLMKGreen, Taylor30 min
Apr 15, 10:08 PM CDTSpecial Weather StatementLMKButler22 min
Apr 15, 10:13 PM CDTTornado WarningLMKMarion, Washington17 min
Apr 15, 10:15 PM CDTSpecial Weather StatementLMKBreckinridge, Grayson, Hancock30 min
Apr 15, 10:21 PM CDTSevere Thunderstorm WarningLMKAdair24 min
Apr 15, 10:21 PM CDTSevere Thunderstorm WarningLMKBreckinridge, Hancock, Meade24 min
Apr 15, 10:24 PM CDTTornado WarningLMKAdair, Casey, Taylor23 min
Apr 15, 10:29 PM CDTSevere Thunderstorm WarningLMKMercer, Washington31 min
Apr 15, 10:47 PM CDTSpecial Weather StatementLMKMeade28 min
Apr 15, 10:50 PM CDTSpecial Weather StatementLMKBoyle25 min
Apr 15, 11:08 PM CDTSpecial Weather StatementLMKBoyle, Fayette, Jessamine, Mercer, Woodford22 min
Apr 15, 11:15 PM CDTRiver Flood WarningLMKBourbon21 hr
Apr 15, 11:30 PM CDTSpecial Weather StatementLMKFayette, Jessamine30 min
Apr 15, 11:51 PM CDTSpecial Weather StatementLMKLarue24 min
Apr 15, 11:55 PM CDTSpecial Weather StatementLMKOldham35 min
Apr 16, 12:11 AM CDTAreal Flood AdvisoryLMKGarrard, Jessamine3 hr
Apr 16, 12:16 AM CDTSpecial Weather StatementLMKWashington29 min
Apr 16, 12:38 AM CDTSpecial Weather StatementLMKAnderson, Shelby, Spencer, Washington22 min
Apr 16, 1:00 AM CDTSpecial Weather StatementLMKAnderson, Franklin, Henry30 min
Apr 16, 1:26 AM CDTSpecial Weather StatementLMKFranklin, Scott34 min
Apr 15, 9:20 PM CDTSpecial Weather StatementLMKDubois40 min
Apr 15, 9:58 PM CDTSpecial Weather StatementLMKDubois, Orange32 min
Apr 15, 10:12 PM CDTSpecial Weather StatementLMKCrawford, Perry33 min
Apr 15, 10:43 PM CDTSpecial Weather StatementLMKCrawford, Orange, Washington32 min
Apr 15, 11:14 PM CDTSpecial Weather StatementLMKWashington31 min
Apr 15, 11:37 PM CDTSpecial Weather StatementLMKClark, Scott23 min

Nearby

Special Weather Statements in Kentucky, 2011Every special weather statement in 2011

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.