Alert archive / Kentucky / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 204, NWS Louisville, KY

August 11, 2010Cumberland County, Monroe County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Aug 11, 2010, 5:11 PM CDT for Cumberland County, Monroe County, Kentucky. It was in force for 15 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 11, 2010, 5:11 PM CDT (22:11 UTC)
Expired: Aug 11, 2010, 5:26 PM CDT
In force: 15 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Cumberland County, KY, Monroe County, KY

The radar

The Nashville radar (KOHX), 106 km from the middle of the area, began a volume at 22:13 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, 10.2 hours before the alert went out and 335 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: 2143 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 995 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 64 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 Aug 11, 2:32 PM CDT, 2 hours 39 minutes earlier.

Area forecast discussion, Aug 11, 2:32 PM CDT, 2 hours 39 minutes before

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Hazardous weather outlook, Aug 11, 3:04 PM CDT, 2 hours 7 minutes before

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In the hours before

Special weather statement, Aug 11, 3:53 PM CDT, 1 hour 18 minutes before

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Special weather statement, Aug 11, 4:05 PM CDT, 1 hour 6 minutes before

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Special weather statement, Aug 11, 4:16 PM CDT, 55 minutes before

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Special weather statement, Aug 11, 4:27 PM CDT, 44 minutes before

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Special weather statement, Aug 11, 4:31 PM CDT, 40 minutes before

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Special weather statement, Aug 11, 5:01 PM CDT, 10 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
Aug 11, 2:41 AM CDT	Heat Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	5 days
Aug 11, 11:14 AM CDT	Excessive Heat Warning	LMK	Breckinridge, Bullitt, Butler, Edmonson, Grayson, Hancock and 7 more	3 hr
Aug 11, 11:58 AM CDT	Special Weather Statement	LMK	Bullitt	32 min
Aug 11, 12:30 PM CDT	Special Weather Statement	LMK	Nelson	30 min
Aug 11, 12:59 PM CDT	Special Weather Statement	LMK	Marion, Washington	31 min
Aug 11, 1:06 PM CDT	Special Weather Statement	LMK	Bullitt	39 min
Aug 11, 1:13 PM CDT	Special Weather Statement	LMK	Hardin	32 min
Aug 11, 1:37 PM CDT	Special Weather Statement	LMK	Butler	33 min
Aug 11, 1:48 PM CDT	Special Weather Statement	LMK	Larue	27 min
Aug 11, 2:10 PM CDT	Special Weather Statement	LMK	Trimble	35 min
Aug 11, 2:25 PM CDT	Special Weather Statement	LMK	Hardin	35 min
Aug 11, 2:26 PM CDT	Special Weather Statement	LMK	Marion, Taylor	34 min
Aug 11, 2:30 PM CDT	Special Weather Statement	LMK	Oldham	30 min
Aug 11, 2:44 PM CDT	Areal Flood Advisory	LMK	Henry, Oldham, Trimble	98 min
Aug 11, 2:49 PM CDT	Special Weather Statement	LMK	Henry	26 min
Aug 11, 3:03 PM CDT	Special Weather Statement	LMK	Simpson	27 min
Aug 11, 3:04 PM CDT	Special Weather Statement	LMK	Henry, Oldham, Shelby	41 min
Aug 11, 3:21 PM CDT	Special Weather Statement	LMK	Adair, Russell	24 min
Aug 11, 3:26 PM CDT	Special Weather Statement	LMK	Barren	34 min
Aug 11, 3:46 PM CDT	Special Weather Statement	LMK	Harrison	29 min
Aug 11, 3:49 PM CDT	Special Weather Statement	LMK	Nicholas	26 min
Aug 11, 3:53 PM CDT	Special Weather Statement	LMK	Russell	37 min
Aug 11, 4:00 PM CDT	Severe Thunderstorm Warning	LMK	Nicholas	15 min
Aug 11, 4:05 PM CDT	Special Weather Statement	LMK	Barren	25 min
Aug 11, 4:16 PM CDT	Special Weather Statement	LMK	Jefferson	29 min
Aug 11, 4:27 PM CDT	Special Weather Statement	LMK	Clinton, Cumberland	33 min
Aug 11, 4:31 PM CDT	Special Weather Statement	LMK	Metcalfe	29 min
Aug 11, 5:01 PM CDT	Special Weather Statement	LMK	Monroe	29 min
Aug 11, 5:31 PM CDT	Special Weather Statement	LMK	Monroe	29 min
Aug 11, 1:04 PM CDT	Special Weather Statement	LMK	Jefferson	26 min
Aug 11, 1:43 PM CDT	Special Weather Statement	LMK	Jefferson	32 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.