Alert archive / Kentucky / Special Weather Statements in 2012

Special Weather Statement, NWS Louisville, KY

April 3, 2012Garrard County, Madison County, Kentucky

NWS Louisville, KY issued this special weather statement at Apr 3, 2012, 7:48 PM EDT for Garrard County, Madison County, Kentucky. It was in force for 42 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 3, 2012, 7:48 PM EDT (23:48 UTC)
Expired
Apr 3, 2012, 8:30 PM EDT
In force
42 min
Issued by
NWS Louisville, KY

Counties Garrard County, KY, Madison County, KY

The radar

The Jackson,KY radar (KJKL), 79 km from the middle of the area, began a volume at 23:50 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, 11.8 hours before the alert went out and 204 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 2012-04-03Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2012-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
1598 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
121 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 3, 7:32 PM EDT, 16 minutes earlier.

Area forecast discussion, Apr 3, 7:32 PM EDT, 16 minutes before
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Hazardous weather outlook, Apr 3, 3:47 PM EDT, 4 hours 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
347 PM EDT TUE APR 3 2012

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-042000-
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-
347 PM EDT TUE APR 3 2012 /247 PM CDT TUE APR 3 2012/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON IN A MOIST
AND UNSTABLE AIRMASS. THE MAIN THREAT WITH THESE STORMS WILL BE
BRIEF HEAVY RAINFALL...CLOUD TO GROUND LIGHTNING...AND LARGE HAIL.

NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD OF A COLD
FRONT AROUND MIDNIGHT FROM NORTHWEST TO SOUTHEAST ACROSS THE AREA.
HEAVY RAINFALL AND CLOUD TO GROUND LIGHTNING WILL BE THE MAIN
THREATS...WITH DAMAGING WINDS AND LARGE HAIL ALSO POSSIBLE.

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

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE WEDNESDAY
THROUGH THE FIRST HALF OF THURSDAY AS A FRONTAL BOUNDARY WILL
STALL OVER THE AREA. COVERAGE OF THUNDERSTORMS WILL DIMINISH
THROUGH THE DAY ON THURSDAY FROM NORTH TO SOUTH.

A FEW THUNDERSTORMS ARE POSSIBLE AS A MOSTLY DRY COLD FRONT MOVES
THROUGH EITHER SATURDAY NIGHT OR SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY HAIL OR STRONG WINDS THIS
AFTERNOON AND TONIGHT.

BJS/RJS

In the hours before

Local storm report, Apr 3, 7:06 PM EDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LOUISVILLE KY
706 PM EDT TUE APR 03 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0557 PM     HEAVY RAIN       2 NNW MINTONVILLE       37.21N  84.86W
04/03/2012  M3.00 INCH       CASEY              KY   TRAINED SPOTTER

            IN LESS THAN TWO HOURS.

0626 PM     HAIL             2 WNW YOSEMITE          37.36N  84.87W
04/03/2012  E0.70 INCH       CASEY              KY   LAW ENFORCEMENT

            HAIL COVERING GROUND AT HWY 127 AND SHORT-TOWN ROAD.

0640 PM     HAIL             2 NE RICHMOND           37.76N  84.27W
04/03/2012  M0.88 INCH       MADISON            KY   TRAINED SPOTTER

0645 PM     FLASH FLOOD      4 E KIRKSVILLE          37.67N  84.34W
04/03/2012                   MADISON            KY   EMERGENCY MNGR

            INTERECTION CALEAST AND MENELAUS ROAD...

0645 PM     HAIL             RICHMOND                37.74N  84.29W
04/03/2012  M0.50 INCH       MADISON            KY   TRAINED SPOTTER

&&

EVENT NUMBER LMK1200495 LMK1200497 LMK1200496 LMK1200498 LMK1200499

SZAPPANOS
Local storm report, Apr 3, 7:20 PM EDT, 28 minutes before
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Local storm report, Apr 3, 7:24 PM EDT, 24 minutes before
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Local storm report, Apr 3, 7:28 PM EDT, 20 minutes before
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Local storm report, Apr 3, 7:35 PM EDT, 13 minutes before
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Special weather statement, Apr 3, 7:48 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 2:39 PM EDTSevere Thunderstorm WarningLMKMarion, Taylor36 min
Apr 3, 3:07 PM EDTSpecial Weather StatementLMKCasey23 min
Apr 3, 3:12 PM EDTSpecial Weather StatementLMKLincoln33 min
Apr 3, 3:43 PM EDTSpecial Weather StatementLMKLincoln32 min
Apr 3, 4:49 PM EDTSpecial Weather StatementLMKCasey26 min
Apr 3, 5:32 PM EDTSpecial Weather StatementLMKCasey13 min
Apr 3, 5:38 PM EDTAreal Flood AdvisoryLMKCasey82 min
Apr 3, 5:43 PM EDTSpecial Weather StatementLMKMadison32 min
Apr 3, 5:53 PM EDTAreal Flood AdvisoryLMKGarrard, Madison82 min
Apr 3, 6:05 PM EDTSevere Thunderstorm WarningLMKMadison25 min
Apr 3, 6:09 PM EDTFlash Flood WarningLMKMadison3 hr
Apr 3, 6:35 PM EDTSevere Thunderstorm WarningLMKMadison25 min
Apr 3, 7:17 PM EDTSevere Thunderstorm WarningLMKLincoln43 min

Nearby

Special 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.