Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 269, NWS Louisville, KY

July 10, 2015Washington County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 10, 2015, 6:24 PM EDT for Washington County, Kentucky. It was in force for 21 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 10, 2015, 6:24 PM EDT (22:24 UTC)
Expired: Jul 10, 2015, 6:45 PM EDT
In force: 21 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Washington County, KY

The radar

The Louisville radar (KLVX), 72 km from the middle of the area, began a volume at 22:27 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, 10.4 hours before the alert went out and 220 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: 335 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1085 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 85 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 Jul 10, 6:07 PM EDT, 17 minutes earlier.

Area forecast discussion, Jul 10, 6:07 PM EDT, 17 minutes before

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Hazardous weather outlook, Jul 10, 6:10 PM EDT, 14 minutes before

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In the hours before

Special weather statement, Jul 10, 5:34 PM EDT, 50 minutes before

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Special weather statement, Jul 10, 5:50 PM EDT, 34 minutes before

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Local storm report, Jul 10, 5:58 PM EDT, 26 minutes before

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Special weather statement, Jul 10, 6:01 PM EDT, 23 minutes before

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Special weather statement, Jul 10, 6:05 PM EDT, 19 minutes before

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Special weather statement, Jul 10, 6:12 PM EDT, 12 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, 8:21 PM EDT	Special Weather Statement	LMK	Cumberland	19 min
Jul 9, 8:28 PM EDT	Special Weather Statement	LMK	Barren	32 min
Jul 9, 10:42 PM EDT	Special Weather Statement	LMK	Ohio	43 min
Jul 10, 9:22 AM EDT	Special Weather Statement	LMK	Hancock, Ohio	43 min
Jul 10, 9:28 AM EDT	Flash Flood Watch	LMK	Adair, Anderson, Barren, Bourbon, Boyle, Breckinridge and 37 more	11 hr
Jul 10, 9:54 AM EDT	Special Weather Statement	LMK	Breckinridge, Meade	31 min
Jul 10, 10:00 AM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hardin, Meade	30 min
Jul 10, 10:20 AM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Jefferson, Meade	30 min
Jul 10, 10:43 AM EDT	Tornado Warning	LMK	Bullitt, Hardin, Nelson	32 min
Jul 10, 10:49 AM EDT	Special Weather Statement	LMK	Bullitt, Hardin, Jefferson, Nelson, Spencer	36 min
Jul 10, 10:50 AM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Jefferson, Larue, Nelson, Shelby and 1 more	40 min
Jul 10, 11:16 AM EDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Mercer, Nelson, Shelby, Spencer and 2 more	29 min
Jul 10, 11:17 AM EDT	Tornado Warning	LMK	Franklin, Shelby, Spencer	28 min
Jul 10, 11:41 AM EDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Henry, Mercer, Scott, Shelby and 2 more	39 min
Jul 10, 11:55 AM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Boyle, Clark, Fayette, Garrard, Harrison and 5 more	30 min
Jul 10, 12:19 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Harrison, Jessamine, Madison and 2 more	46 min
Jul 10, 12:48 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Nicholas	32 min
Jul 10, 1:23 PM EDT	Special Weather Statement	LMK	Boyle	42 min
Jul 10, 1:54 PM EDT	Special Weather Statement	LMK	Green, Taylor	31 min
Jul 10, 2:12 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Green, Taylor	28 min
Jul 10, 2:16 PM EDT	Special Weather Statement	LMK	Lincoln	29 min
Jul 10, 2:41 PM EDT	Special Weather Statement	LMK	Casey	29 min
Jul 10, 2:43 PM EDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln	32 min
Jul 10, 2:54 PM EDT	Special Weather Statement	LMK	Warren	31 min
Jul 10, 2:57 PM EDT	Special Weather Statement	LMK	Casey	33 min
Jul 10, 3:05 PM EDT	Special Weather Statement	LMK	Hardin	30 min
Jul 10, 3:20 PM EDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin, Larue	30 min
Jul 10, 3:36 PM EDT	Special Weather Statement	LMK	Metcalfe	29 min
Jul 10, 3:47 PM EDT	Special Weather Statement	LMK	Larue	28 min
Jul 10, 4:00 PM EDT	Severe Thunderstorm Warning	LMK	Adair, Metcalfe	30 min
Jul 10, 4:11 PM EDT	Special Weather Statement	LMK	Marion, Washington	29 min
Jul 10, 4:13 PM EDT	Special Weather Statement	LMK	Barren, Metcalfe	32 min
Jul 10, 4:17 PM EDT	Special Weather Statement	LMK	Adair, Russell	28 min
Jul 10, 4:23 PM EDT	Special Weather Statement	LMK	Woodford	32 min
Jul 10, 4:44 PM EDT	Special Weather Statement	LMK	Russell	31 min
Jul 10, 4:46 PM EDT	Special Weather Statement	LMK	Oldham	29 min
Jul 10, 4:48 PM EDT	Special Weather Statement	LMK	Cumberland	32 min
Jul 10, 4:59 PM EDT	Special Weather Statement	LMK	Woodford	31 min
Jul 10, 5:06 PM EDT	Special Weather Statement	LMK	Butler	29 min
Jul 10, 5:12 PM EDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland, Russell	23 min
Jul 10, 5:21 PM EDT	Special Weather Statement	LMK	Russell	29 min
Jul 10, 5:34 PM EDT	Special Weather Statement	LMK	Warren	31 min
Jul 10, 5:50 PM EDT	Special Weather Statement	LMK	Warren	30 min
Jul 10, 6:01 PM EDT	Special Weather Statement	LMK	Metcalfe	29 min
Jul 10, 6:05 PM EDT	Special Weather Statement	LMK	Spencer	30 min
Jul 10, 6:12 PM EDT	Special Weather Statement	LMK	Barren	33 min
Jul 10, 6:32 PM EDT	Special Weather Statement	LMK	Anderson, Woodford	33 min
Jul 10, 6:48 PM EDT	Special Weather Statement	LMK	Mercer	32 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.