Alert archive / Kentucky / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 180, NWS Louisville, KY

August 16, 2007Madison County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Aug 16, 2007, 6:41 PM EDT for Madison County, Kentucky. It was in force for 34 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: Aug 16, 2007, 6:41 PM EDT (22:41 UTC)
Expired: Aug 16, 2007, 7:15 PM EDT
In force: 34 min
Issued by: NWS Louisville, KY
Area: Counties, with a storm outline in the text

County Madison County, KY

The radar

The Jackson,KY radar (KJKL), 86 km from the middle of the area, began a volume at 22:44 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, 10.7 hours before the alert went out and 195 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: 940 J/kg
Mixed-layer CIN: -256 J/kg
Mixed-layer LCL: 1293 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 221 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 Aug 16, 6:40 PM EDT, 1 minute earlier.

Area forecast discussion, Aug 16, 6:40 PM EDT, 1 minute before

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Hazardous weather outlook, Aug 16, 4:03 PM EDT, 2 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
403 PM EDT THU AUG 16 2007

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-170830-
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-
403 PM EDT THU AUG 16 2007

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

.DAY ONE...TONIGHT.

THIS EVENING...A COLD FRONT IS FORECAST TO DROP SOUTHWARD INTO
SOUTHERN INDIANA AND CENTRAL KENTUCKY.  UPPER AIR SOUNDINGS FROM
EARLIER TODAY SHOWED LITTLE CONVECTIVE INHIBITION FOR THIS
EVENING. STRONG TO SEVERE STORMS ARE POSSIBLE ALONG AND NORTH OF
INTERSTATE 64 AND WEST OF FRANKFORT DURING THE EVENING HOURS.
MODERATE WINDS OF 25 TO 35 MPH AROUND 10 THOUSAND FEET WILL COMBINE
WITH UNSTABLE CONDITIONS TO PROVIDE A THREAT FOR DAMAGING WIND GUSTS
AND MARGINALLY SEVERE HAIL AT THE SURFACE. IN ADDITION...ANY
THUNDERSTORMS WILL CONTAIN FREQUENT LIGHTNING AND VERY HEAVY RAIN.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH TUESDAY.

ISOLATED TO SCATTERED SUMMERTIME THUNDERSTORMS WILL ALSO BE POSSIBLE
SUNDAY NIGHT THROUGH MID WEEK. NO ORGANIZED SEVERE WEATHER IS
ANTICIPATED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING.

JSD/13

In the hours before

Local storm report, Aug 16, 6:07 PM EDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
607 PM EDT THU AUG 16 2007

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

0555 PM     TSTM WND DMG     GOSHEN                  38.41N 85.59W
08/16/2007                   OLDHAM             KY   AMATEUR RADIO

            POWER LINES DOWN

0607 PM     HEAVY RAIN       PROSPECT                38.35N 85.61W
08/16/2007  E2.63 INCH       JEFFERSON          KY   CO-OP OBSERVER

&&

DUNTEN

Local storm report, Aug 16, 6:12 PM EDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
612 PM EDT THU AUG 16 2007

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

0517 PM     TSTM WND DMG     GEORGETOWN              38.21N 84.55W
08/16/2007                   SCOTT              KY   EMERGENCY MNGR

            TREES DOWN ACROSS THE COUNTY

&&

DUNTEN

Special weather statement, Aug 16, 6:28 PM EDT, 13 minutes before

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Local storm report, Aug 16, 6:33 PM EDT, 8 minutes before

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Local storm report, Aug 16, 6:34 PM EDT, 7 minutes before

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Local storm report, Aug 16, 6:40 PM EDT, 1 minute 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
Aug 16, 3:58 AM EDT	Heat Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	14 hr
Aug 16, 4:19 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham	41 min
Aug 16, 4:42 PM EDT	Severe Thunderstorm Warning	LMK	Trimble	34 min
Aug 16, 4:59 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Franklin, Harrison, Nicholas, Scott	46 min
Aug 16, 5:04 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Oldham	41 min
Aug 16, 5:44 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Oldham	46 min
Aug 16, 5:50 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Harrison, Nicholas	40 min
Aug 16, 5:58 PM EDT	Severe Thunderstorm Warning	LMK	Shelby	47 min
Aug 16, 6:03 PM EDT	Severe Thunderstorm Warning	LMK	Henry	42 min
Aug 16, 6:21 PM EDT	Severe Thunderstorm Warning	LMK	Franklin	39 min
Aug 16, 6:36 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Fayette	39 min
Aug 16, 4:13 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Scott	47 min
Aug 16, 4:45 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	45 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2007 Every severe thunderstorm warning in 2007

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.