Alert archive / Kentucky / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 229, NWS Louisville, KY

June 30, 20155 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 30, 2015, 11:42 AM CDT for 5 counties in Kentucky. It was in force for 48 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 30, 2015, 11:42 AM CDT (16:42 UTC)
Expired: Jun 30, 2015, 12:30 PM CDT
In force: 48 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, Metcalfe County, KY, Monroe County, KY, Russell County, KY

The radar

The Nashville radar (KOHX), 124 km from the middle of the area, began a volume at 16:45 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, 4.7 hours before the alert went out and 134 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: 1010 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1021 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.5

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 30, 10:05 AM CDT, 1 hour 37 minutes earlier.

Area forecast discussion, Jun 30, 10:05 AM CDT, 1 hour 37 minutes before

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Hazardous weather outlook, Jun 30, 2:39 AM CDT, 9 hours 3 minutes before

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In the hours before

Local storm report, Jun 30, 10:26 AM CDT, 1 hour 16 minutes before

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Local storm report, Jun 30, 10:29 AM CDT, 1 hour 13 minutes before

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Special weather statement, Jun 30, 11:01 AM CDT, 41 minutes before

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Special weather statement, Jun 30, 11:28 AM CDT, 14 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 30, 11:01 AM CDT	Special Weather Statement	LMK	Metcalfe	29 min
Jun 30, 11:28 AM CDT	Special Weather Statement	LMK	Cumberland	27 min
Jun 30, 12:18 PM CDT	Special Weather Statement	LMK	Casey	32 min
Jun 30, 12:28 PM CDT	Special Weather Statement	LMK	Clinton, Cumberland	32 min
Jun 30, 12:40 PM CDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland	30 min
Jun 30, 2:25 PM CDT	Special Weather Statement	LMK	Cumberland, Metcalfe	30 min
Jun 30, 4:40 PM CDT	Special Weather Statement	LMK	Henry, Trimble	30 min
Jun 30, 4:41 PM CDT	Areal Flood Advisory	LMK	Bourbon, Harrison, Henry, Nicholas, Scott, Trimble	3 hr
Jun 30, 5:16 PM CDT	Special Weather Statement	LMK	Henry	29 min
Jun 30, 5:39 PM CDT	Areal Flood Advisory	LMK	Oldham	2 hr
Jun 30, 6:42 PM CDT	Special Weather Statement	LMK	Woodford	28 min
Jun 30, 6:50 PM CDT	Special Weather Statement	LMK	Shelby	30 min
Jun 30, 12:32 PM CDT	Special Weather Statement	LMK	Jefferson	28 min
Jun 30, 1:19 PM CDT	Special Weather Statement	LMK	Jefferson	31 min
Jun 30, 3:34 PM CDT	Areal Flood Advisory	LMK	Jefferson	3 hr
Jun 30, 3:36 PM CDT	Special Weather Statement	LMK	Jefferson	44 min
Jun 30, 4:01 PM CDT	Special Weather Statement	LMK	Scott	29 min
Jun 30, 4:09 PM CDT	Flash Flood Warning	LMK	Jefferson	3 hr
Jun 30, 4:09 PM CDT	Severe Thunderstorm Warning	LMK	Scott	31 min
Jun 30, 5:44 PM CDT	Special Weather Statement	LMK	Scott	31 min
Jun 30, 5:57 PM CDT	Severe Thunderstorm Warning	LMK	Clark	28 min
Jun 30, 6:38 PM CDT	Special Weather Statement	LMK	Clark	32 min
Jun 30, 6:45 PM CDT	Severe Thunderstorm Warning	LMK	Clark, Washington	30 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.