Alert archive / Kentucky / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 207, NWS Louisville, KY

April 19, 2006Breckinridge County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Apr 19, 2006, 4:46 AM CDT for Breckinridge County, Kentucky. It was in force for 14 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: Apr 19, 2006, 4:46 AM CDT (09:46 UTC)
Expired: Apr 19, 2006, 5:00 AM CDT
In force: 14 min
Issued by: NWS Louisville, KY
Area: Counties, with a storm outline in the text

County Breckinridge County, KY

The radar

The Louisville radar (KLVX), 48 km from the middle of the area, began a volume at 09:48 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 19, 12:50 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.8 hours before the alert went out and 293 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2039 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 67 m²/s²
0-3 km storm-relative helicity: 176 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Apr 19, 2:54 AM CDT, 1 hour 52 minutes earlier.

Area forecast discussion, Apr 19, 2:54 AM CDT, 1 hour 52 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOUISVILLE KY
354 AM EDT WED APR 19 2006

.SHORT TERM (TODAY AND TONIGHT...

SEVERE THUNDERSTORMS ONGOING ACROSS SOUTHERN INDIANA AND PARTS OF
NORTH CENTRAL KENTUCKY WITH NUMEROUS REPORTS OF HAIL UP TO ONE INCH
IN DIAMETER. THIS IS MAIN CONCERN WITH FORECAST.

THUNDERSTORMS ARE ELEVATED WITH GOOD INFLOW FROM LOW LEVEL JET AND
STEEP MID LEVEL LAPSE RATES RESULTING IN WIDESPREAD HAIL EVENT.
LITTLE IF ANY WIND REPORTED WITH THESE STORMS.

WILL GO LIKELY FOR STORMS THIS MORNING THEN DECREASE POPS THIS
AFTERNOON AND TONIGHT AS LOW LEVEL JET BECOMES MORE WESTERLY AND
DECREASES OVER THE AREA. SHOWERS WILL DECREASE TO SLIGHT CHANCE
OVERNIGHT.

SCHOLZ/AB

.LONG TERM (THURSDAY THROUGH TUESDAY)...

MAIN CONCERNS THIS FORECAST ARE PERIODS OF SHOWERS/THUNDERSTORMS
MOVING ACROSS THE AREA THROUGH THE PERIOD.

FIRST AREA OF SHOWERS AND THUNDERSTORMS WILL TRACK MAINLY ACROSS
SOUTH CENTRAL AND EAST CENTRAL KENTUCKY THURSDAY INTO THURSDAY
NIGHT. ONE WEAK LOW PRESSURE AREA WILL BE MOVING EAST OF THE AREA
THURSDAY MORNING WITH ANOTHER LOW MOVING NORTHEAST ALONG A FRONTAL
BOUNDARY INTO MIDDLE TENNESSEE. SHOWERS WILL INCREASE THURSDAY
AFTERNOON THEN DECREASE OVERNIGHT.

A DEEPER LOW WILL BRING MORE NUMEROUS SHOWERS AND THUNDERSTORMS ON
FRIDAY AND FRIDAY NIGHT. SHOWERS WILL END SATURDAY MORNING.

DRY PERIOD SETS IN FOR THE WEEKEND WITH HIGH PRESSURE MOVING OVER
THE AREA. LATEST RUN OF MODELS HINTS HIGH PRESSURE MAY KEEP NEXT
PERIOD OF SHOWERS OUT OF THE FORECAST AREA UNTIL TUESDAY BUT WITH
ONGOING SEVERE WEATHER WILL NOT MAKE CHANGES ATTM.

SCHOLZ

&&

.LMK WATCHES/WARNINGS/ADVISORIES...
KY...NONE.
IN...NONE.
&&

Hazardous weather outlook, Apr 19, 3:50 AM CDT, 56 minutes before

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In the hours before

Special weather statement, Apr 19, 3:42 AM CDT, 1 hour 4 minutes before

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Local storm report, Apr 19, 3:54 AM CDT, 52 minutes before

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Special weather statement, Apr 19, 3:58 AM CDT, 48 minutes before

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Local storm report, Apr 19, 4:13 AM CDT, 33 minutes before

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Special weather statement, Apr 19, 4:22 AM CDT, 24 minutes before

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Special weather statement, Apr 19, 4:33 AM CDT, 13 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
Apr 19, 2:28 AM CDT	Severe Thunderstorm Warning	LMK	Jefferson	47 min
Apr 19, 2:52 AM CDT	Severe Thunderstorm Warning	LMK	Oldham, Shelby, Spencer	53 min
Apr 19, 3:13 AM CDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin	62 min
Apr 19, 3:29 AM CDT	Severe Thunderstorm Warning	LMK	Hardin	31 min
Apr 19, 3:50 AM CDT	Severe Thunderstorm Warning	LMK	Garrard	40 min
Apr 19, 4:12 AM CDT	Severe Thunderstorm Warning	LMK	Jessamine	18 min
Apr 19, 4:35 AM CDT	Severe Thunderstorm Warning	LMK	Logan	40 min
Apr 19, 4:38 AM CDT	Severe Thunderstorm Warning	LMK	Warren	37 min
Apr 19, 4:50 AM CDT	Severe Thunderstorm Warning	LMK	Edmonson	25 min
Apr 19, 4:58 AM CDT	Severe Thunderstorm Warning	LMK	Simpson	32 min
Apr 19, 5:24 AM CDT	Severe Thunderstorm Warning	LMK	Barren	21 min
Apr 19, 1:22 AM CDT	Severe Thunderstorm Warning	LMK	Perry	23 min
Apr 19, 1:26 AM CDT	Severe Thunderstorm Warning	LMK	Dubois	34 min
Apr 19, 1:45 AM CDT	Severe Thunderstorm Warning	LMK	Crawford	45 min
Apr 19, 1:48 AM CDT	Severe Thunderstorm Warning	LMK	Orange	27 min
Apr 19, 1:52 AM CDT	Severe Thunderstorm Warning	LMK	Washington	23 min
Apr 19, 2:15 AM CDT	Severe Thunderstorm Warning	LMK	Clark	45 min
Apr 19, 2:24 AM CDT	Severe Thunderstorm Warning	LMK	Orange	36 min
Apr 19, 2:28 AM CDT	Severe Thunderstorm Warning	LMK	Washington	32 min
Apr 19, 2:31 AM CDT	Severe Thunderstorm Warning	LMK	Harrison	29 min
Apr 19, 2:34 AM CDT	Severe Thunderstorm Warning	LMK	Floyd	26 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2006 Every severe thunderstorm warning in 2006

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.