Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 227, NWS Louisville, KY

June 29, 2015Clinton County, Cumberland County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 29, 2015, 4:42 PM CDT for Clinton County, Cumberland County, Kentucky. It was in force for 28 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: Jun 29, 2015, 4:42 PM CDT (21:42 UTC)
Expired: Jun 29, 2015, 5:10 PM CDT
In force: 28 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clinton County, KY, Cumberland County, KY

The radar

The Nashville radar (KOHX), 129 km from the middle of the area, began a volume at 21:43 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
Jun 29, 1:33 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.7 hours before the alert went out and 139 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: 111 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1050 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 115 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 Jun 29, 2:34 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Jun 29, 2:34 PM CDT, 2 hours 8 minutes before

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Hazardous weather outlook, Jun 29, 3:17 PM CDT, 1 hour 25 minutes before

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In the hours before

Special weather statement, Jun 29, 3:29 PM CDT, 1 hour 13 minutes before

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Local storm report, Jun 29, 3:41 PM CDT, 1 hour 1 minute before

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Local storm report, Jun 29, 3:53 PM CDT, 49 minutes before

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Special weather statement, Jun 29, 4:11 PM CDT, 31 minutes before

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Special weather statement, Jun 29, 4:34 PM CDT, 8 minutes before

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Special weather statement, Jun 29, 4:37 PM CDT, 5 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
Jun 29, 1:23 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson	32 min
Jun 29, 2:10 PM CDT	Special Weather Statement	LMK	Grayson	30 min
Jun 29, 2:37 PM CDT	Special Weather Statement	LMK	Anderson	28 min
Jun 29, 2:42 PM CDT	Special Weather Statement	LMK	Grayson, Larue	43 min
Jun 29, 3:12 PM CDT	Areal Flood Advisory	LMK	Anderson, Bourbon, Clark, Fayette, Franklin, Garrard and 9 more	4 hr
Jun 29, 3:28 PM CDT	Special Weather Statement	LMK	Monroe	27 min
Jun 29, 3:29 PM CDT	Special Weather Statement	LMK	Casey, Green, Larue, Taylor	46 min
Jun 29, 3:32 PM CDT	Areal Flood Advisory	LMK	Adair, Barren, Cumberland, Metcalfe, Monroe, Russell	3 hr
Jun 29, 3:34 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Mercer, Woodford	31 min
Jun 29, 4:04 PM CDT	Severe Thunderstorm Warning	LMK	Jessamine, Mercer, Woodford	31 min
Jun 29, 4:11 PM CDT	Special Weather Statement	LMK	Allen, Simpson	44 min
Jun 29, 4:34 PM CDT	Special Weather Statement	LMK	Clinton	31 min
Jun 29, 4:37 PM CDT	Special Weather Statement	LMK	Jessamine, Madison	43 min
Jun 29, 5:08 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Logan, Simpson, Warren	42 min
Jun 29, 5:12 PM CDT	Special Weather Statement	LMK	Adair	28 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.