Alert archive / Kentucky / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 129, NWS Louisville, KY

July 8, 2008Breckinridge County, Meade County, Kentucky; Harrison County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 8, 2008, 8:08 PM CDT for Breckinridge County, Meade County, Kentucky; Harrison County, Indiana. It was in force for 37 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 8, 2008, 8:08 PM CDT (01:08 UTC)
Expired: Jul 8, 2008, 8:45 PM CDT
In force: 37 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

Counties Harrison County, IN, Breckinridge County, KY, Meade County, KY

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.1 hours before the alert went out and 315 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: 499 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: -39 m²/s²
0-3 km storm-relative helicity: -16 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

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 8, 6:00 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Jul 8, 6:00 PM CDT, 2 hours 8 minutes before

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Hazardous weather outlook, Jul 8, 2:17 PM CDT, 5 hours 51 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
317 PM EDT TUE JUL 8 2008

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-091930-
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-
317 PM EDT TUE JUL 8 2008 /217 PM CDT TUE JUL 8 2008/

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

.DAY ONE...TONIGHT AND WEDNESDAY.

SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS EVENING AND AFFECT
MUCH OF THE AREA THROUGH THE NIGHT. A VERY MOIST ATMOSPHERE
COUPLED WITH AN APPROACHING COLD FRONT WILL ALLOW THESE STORMS TO
PRODUCE HEAVY RAIN AT TIMES AS WELL AS DANGEROUS LIGHTNING. RAIN
SHOWERS WILL CONTINUE INTO WEDNESDAY AS THE COLD FRONT SLOWLY
SLIPS SOUTHWARD ACROSS THE OUTLOOK AREA. SOME AREAS MAY SEE MORE
THAN AN INCH OF RAINFALL BY TOMORROW NIGHT. LOCALIZED FLOODING MAY
BECOME A PROBLEM IN LOW LYING AND POOR DRAINAGE AREAS.

.DAYS TWO THROUGH SEVEN (THURSDAY THROUGH TUESDAY)...

A WEAK FRONTAL BOUNDARY WILL BRING THE CHANCE FOR SHOWERS AND
THUNDERSTORMS TO THE AREA SATURDAY THROUGH SUNDAY NIGHT. ALONG
WITH DANGEROUS LIGHTNING...BRIEF HEAVY RAIN AND GUSTY WINDS WILL BE
POSSIBLE WITH ANY THUNDERSTORMS THAT OCCUR.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT INTENSE
RAINFALL...FLOODING...HAIL AND GUSTY WINDS TO THE NATIONAL WEATHER
SERVICE IN LOUISVILLE.

In the hours before

Local storm report, Jul 8, 5:03 PM CDT, 3 hours 5 minutes before

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Local storm report, Jul 8, 5:10 PM CDT, 2 hours 58 minutes before

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Special weather statement, Jul 8, 5:14 PM CDT, 2 hours 54 minutes before

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Local storm report, Jul 8, 5:15 PM CDT, 2 hours 53 minutes before

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Local storm report, Jul 8, 5:38 PM CDT, 2 hours 30 minutes before

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Special weather statement, Jul 8, 6:01 PM CDT, 2 hours 7 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 8, 7:39 PM CDT	Severe Thunderstorm Warning	LMK	Hancock	36 min
Jul 8, 7:57 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge	33 min
Jul 8, 8:01 PM CDT	Severe Thunderstorm Warning	LMK	Meade	29 min
Jul 8, 8:33 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hardin	42 min
Jul 8, 8:39 PM CDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin	36 min
Jul 8, 8:55 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson	35 min
Jul 8, 9:08 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham, Shelby	37 min
Jul 8, 9:17 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson	43 min
Jul 8, 9:41 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Nelson, Washington	34 min
Jul 8, 8:24 PM CDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	36 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2008 Severe Thunderstorm Warnings in Indiana, 2008 Every severe thunderstorm warning in 2008

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.