Alert archive / Kentucky / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 166, NWS Louisville, KY

July 17, 2010Anderson County, Shelby County, Spencer County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 17, 2010, 7:01 PM EDT for Anderson County, Shelby County, Spencer County, Kentucky. It was in force for 29 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 17, 2010, 7:01 PM EDT (23:01 UTC)
Expired: Jul 17, 2010, 7:30 PM EDT
In force: 29 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Anderson County, KY, Shelby County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 69 km from the middle of the area, began a volume at 23:03 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, 11.0 hours before the alert went out and 191 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: 2000 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 949 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.4

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 Jul 17, 3:36 PM EDT, 3 hours 25 minutes earlier.

Area forecast discussion, Jul 17, 3:36 PM EDT, 3 hours 25 minutes before

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Hazardous weather outlook, Jul 17, 4:11 PM EDT, 2 hours 50 minutes before

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In the hours before

Local storm report, Jul 17, 5:49 PM EDT, 1 hour 12 minutes before

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Local storm report, Jul 17, 5:51 PM EDT, 1 hour 10 minutes before

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Special weather statement, Jul 17, 5:54 PM EDT, 1 hour 7 minutes before

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Special weather statement, Jul 17, 5:56 PM EDT, 1 hour 5 minutes before

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Local storm report, Jul 17, 6:27 PM EDT, 34 minutes before

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Special weather statement, Jul 17, 6:35 PM EDT, 26 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 16, 11:46 PM EDT	Special Weather Statement	LMK	Meade	29 min
Jul 17, 12:36 AM EDT	Special Weather Statement	LMK	Meade	24 min
Jul 17, 1:25 AM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson	27 min
Jul 17, 1:40 AM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Spencer	35 min
Jul 17, 2:27 AM EDT	Special Weather Statement	LMK	Franklin	33 min
Jul 17, 2:35 AM EDT	Severe Thunderstorm Warning	LMK	Franklin, Scott, Woodford	25 min
Jul 17, 2:37 AM EDT	Severe Thunderstorm Warning	LMK	Franklin, Henry, Shelby	23 min
Jul 17, 2:58 AM EDT	Severe Thunderstorm Warning	LMK	Henry, Trimble	32 min
Jul 17, 4:00 AM EDT	Special Weather Statement	LMK	Robertson	30 min
Jul 17, 4:17 AM EDT	Special Weather Statement	LMK	Clark	28 min
Jul 17, 4:32 AM EDT	Special Weather Statement	LMK	Clark, Nicholas	28 min
Jul 17, 5:14 AM EDT	Special Weather Statement	LMK	Henry	31 min
Jul 17, 5:44 AM EDT	Special Weather Statement	LMK	Henry	16 min
Jul 17, 5:48 AM EDT	Special Weather Statement	LMK	Franklin, Scott	27 min
Jul 17, 6:16 AM EDT	Special Weather Statement	LMK	Jessamine	29 min
Jul 17, 6:24 AM EDT	Special Weather Statement	LMK	Harrison, Scott	36 min
Jul 17, 7:04 AM EDT	Special Weather Statement	LMK	Madison	26 min
Jul 17, 4:06 PM EDT	Severe Thunderstorm Warning	LMK	Oldham, Trimble	24 min
Jul 17, 4:45 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Oldham, Shelby, Trimble	30 min
Jul 17, 5:14 PM EDT	Severe Thunderstorm Warning	LMK	Henry, Oldham, Shelby	31 min
Jul 17, 5:46 PM EDT	Severe Thunderstorm Warning	LMK	Franklin, Henry, Shelby	29 min
Jul 17, 5:54 PM EDT	Special Weather Statement	LMK	Shelby	36 min
Jul 17, 5:56 PM EDT	Special Weather Statement	LMK	Oldham	34 min
Jul 17, 6:14 PM EDT	Severe Thunderstorm Warning	LMK	Franklin, Shelby	31 min
Jul 17, 6:19 PM EDT	Severe Thunderstorm Warning	LMK	Oldham, Shelby	26 min
Jul 17, 6:35 PM EDT	Special Weather Statement	LMK	Shelby	25 min
Jul 17, 6:41 PM EDT	Severe Thunderstorm Warning	LMK	Shelby	34 min
Jul 17, 6:51 PM EDT	Flash Flood Warning	LMK	Shelby	114 min
Jul 17, 7:30 PM EDT	Special Weather Statement	LMK	Anderson	30 min
Jul 17, 7:57 PM EDT	Special Weather Statement	LMK	Mercer	33 min
Jul 17, 12:56 AM EDT	Special Weather Statement	LMK	Harrison	34 min
Jul 17, 2:31 AM EDT	Special Weather Statement	LMK	Orange	29 min
Jul 17, 2:46 AM EDT	Severe Thunderstorm Warning	LMK	Crawford, Orange	29 min
Jul 17, 3:23 AM EDT	Special Weather Statement	LMK	Crawford	37 min
Jul 17, 3:41 AM EDT	Severe Thunderstorm Warning	LMK	Dubois, Orange	34 min
Jul 17, 4:16 AM EDT	Special Weather Statement	LMK	Crawford, Orange	29 min
Jul 17, 3:01 PM EDT	Special Weather Statement	LMK	Scott	29 min
Jul 17, 3:18 PM EDT	Special Weather Statement	LMK	Scott	27 min
Jul 17, 3:20 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Jefferson, Scott	25 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2010 Every severe thunderstorm warning in 2010

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.