Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 251, NWS Louisville, KY

July 9, 20154 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 9, 2015, 1:42 PM EDT for 4 counties in Kentucky. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 9, 2015, 1:42 PM EDT (17:42 UTC)
Expired: Jul 9, 2015, 2:15 PM EDT
In force: 33 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Boyle County, KY, Casey County, KY, Garrard County, KY, Lincoln County, KY

The radar

The Louisville radar (KLVX), 117 km from the middle of the area, began a volume at 17:42 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

Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 225 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 492 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 964 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 9, 1:13 PM EDT, 29 minutes earlier.

Area forecast discussion, Jul 9, 1:13 PM EDT, 29 minutes before

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Hazardous weather outlook, Jul 9, 3:47 AM EDT, 9 hours 55 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
347 AM EDT THU JUL 9 2015

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-100800-
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-
INCLUDING THE CITIES OF...PAOLI...SALEM...SCOTTSBURG...MADISON...
JASPER...MARENGO...TELL CITY...CORYDON...NEW ALBANY...
JEFFERSONVILLE...HAWESVILLE...HARDINSBURG...BRANDENBURG...
BEAVER DAM...LEITCHFIELD...ELIZABETHTOWN...FORT KNOX...
MOUNT WASHINGTON...SHEPHERDSVILLE...LOUISVILLE...LA GRANGE...
BEDFORD...NEW CASTLE...SHELBYVILLE...FRANKFORT...GEORGETOWN...
CYNTHIANA...TAYLORSVILLE...LAWRENCEBURG...VERSAILLES...LEXINGTON...
PARIS...CARLISLE...BARDSTOWN...SPRINGFIELD...HARRODSBURG...
NICHOLASVILLE...WINCHESTER...HODGENVILLE...LEBANON...DANVILLE...
LANCASTER...RICHMOND...MORGANTOWN...BROWNSVILLE...MUNFORDVILLE...
GREENSBURG...CAMPBELLSVILLE...LIBERTY...STANFORD...RUSSELLVILLE...
BOWLING GREEN...FRANKLIN...SCOTTSVILLE...GLASGOW...TOMPKINSVILLE...
EDMONTON...COLUMBIA...JAMESTOWN...BURKESVILLE...ALBANY
347 AM EDT THU JUL 9 2015 /247 AM CDT THU JUL 9 2015/

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED STORMS WILL BE POSSIBLE TODAY...ESPECIALLY THIS
AFTERNOON IN CENTRAL KENTUCKY. GUSTY WINDS AND LOCALLY HEAVY RAIN WILL
BE THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

ISOLATED TO SCATTERED STORMS WILL BE POSSIBLE THROUGH MUCH OF
THIS PERIOD AS A WEAK FRONTAL BOUNDARY STALLS IN THE REGION. THE
STRONGER STORMS WILL BE CAPABLE OF GUSTY WINDS AND LOCALLY HEAVY
RAIN.

THIS WEEKEND WILL BE A HOT ONE WITH AFTERNOON HEAT INDEX READINGS
PEAKING AROUND 100 DEGREES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT WEATHER.GOV/LOUISVILLE.

13/ZBT

In the hours before

Local storm report, Jul 9, 1:06 PM EDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
106 PM EDT THU JUL 9 2015

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

1258 PM     TSTM WND DMG     3 SE ALLENDALE          37.33N 85.55W
07/09/2015                   GREEN              KY   LAW ENFORCEMENT

            A TREE WAS DOWNED ON HIGHWAY 61 IN
            SUMMERSVILLE. OTHER TREES WERE DOWNED IN
            GREENSBURG.

&&

MRC

Local storm report, Jul 9, 1:16 PM EDT, 26 minutes before

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Local storm report, Jul 9, 1:25 PM EDT, 17 minutes before

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Local storm report, Jul 9, 1:29 PM EDT, 13 minutes before

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Local storm report, Jul 9, 1:35 PM EDT, 7 minutes before

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Local storm report, Jul 9, 1:42 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 5:20 AM EDT	Special Weather Statement	LMK	Hancock, Ohio	30 min
Jul 9, 5:28 AM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Ohio	32 min
Jul 9, 5:52 AM EDT	Special Weather Statement	LMK	Breckinridge	18 min
Jul 9, 6:11 AM EDT	Special Weather Statement	LMK	Meade	29 min
Jul 9, 6:38 AM EDT	Special Weather Statement	LMK	Jefferson	27 min
Jul 9, 9:25 AM EDT	Special Weather Statement	LMK	Edmonson, Hart	30 min
Jul 9, 12:20 PM EDT	Special Weather Statement	LMK	Edmonson, Hart, Larue, Warren	30 min
Jul 9, 12:42 PM EDT	Special Weather Statement	LMK	Green, Hart, Taylor	28 min
Jul 9, 12:54 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Green, Hart, Marion, Taylor	46 min
Jul 9, 1:11 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Garrard, Lincoln, Marion	29 min
Jul 9, 1:37 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Garrard, Lincoln	38 min
Jul 9, 2:13 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Madison	32 min
Jul 9, 3:06 PM EDT	Special Weather Statement	LMK	Warren	29 min
Jul 9, 3:32 PM EDT	Special Weather Statement	LMK	Edmonson	28 min
Jul 9, 3:51 PM EDT	Special Weather Statement	LMK	Green, Hart	44 min
Jul 9, 4:15 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Green, Metcalfe	45 min
Jul 9, 4:39 PM EDT	Special Weather Statement	LMK	Russell	31 min
Jul 9, 4:48 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Casey, Russell	32 min
Jul 9, 5:27 PM EDT	Special Weather Statement	LMK	Edmonson, Hart	28 min
Jul 9, 6:06 PM EDT	Special Weather Statement	LMK	Warren	29 min
Jul 9, 6:07 PM EDT	Special Weather Statement	LMK	Hart	28 min
Jul 9, 6:26 PM EDT	Special Weather Statement	LMK	Larue, Marion	29 min
Jul 9, 6:39 PM EDT	Special Weather Statement	LMK	Barren	31 min
Jul 9, 6:59 PM EDT	Special Weather Statement	LMK	Marion	31 min
Jul 9, 7:17 PM EDT	Special Weather Statement	LMK	Barren, Metcalfe	28 min
Jul 9, 7:37 PM EDT	Special Weather Statement	LMK	Breckinridge, Butler, Grayson	28 min
Jul 9, 7:50 PM EDT	Special Weather Statement	LMK	Cumberland, Metcalfe	30 min
Jul 9, 7:57 PM EDT	Special Weather Statement	LMK	Adair, Russell	33 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2015 Every severe thunderstorm warning in 2015

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.