Alert archive / Kentucky / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 97, NWS Louisville, KY

June 17, 2019Breckinridge County, Grayson County, Hardin County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 17, 2019, 9:46 PM CDT for Breckinridge County, Grayson County, Hardin County, Kentucky. It was in force for 14 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 17, 2019, 9:46 PM CDT (02:46 UTC)
Expired: Jun 17, 2019, 10:00 PM CDT
In force: 14 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Breckinridge County, KY, Grayson County, KY, Hardin County, KY

The radar

The Louisville radar (KLVX), 45 km from the middle of the area, began a volume at 02:46 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 00:00Z, 2.8 hours before the alert went out and 171 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: 608 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1376 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 104 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

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 17, 8:55 PM CDT, 51 minutes earlier.

Area forecast discussion, Jun 17, 8:55 PM CDT, 51 minutes before

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Hazardous weather outlook, Jun 17, 8:59 PM CDT, 47 minutes before

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In the hours before

Special weather statement, Jun 17, 6:33 PM CDT, 3 hours 13 minutes before

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Special weather statement, Jun 17, 7:01 PM CDT, 2 hours 45 minutes before

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Special weather statement, Jun 17, 7:38 PM CDT, 2 hours 8 minutes before

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Special weather statement, Jun 17, 7:49 PM CDT, 1 hour 57 minutes before

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Special weather statement, Jun 17, 8:23 PM CDT, 1 hour 23 minutes before

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Special weather statement, Jun 17, 8:45 PM CDT, 1 hour 1 minute 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 17, 7:01 PM CDT	Special Weather Statement	LMK	Edmonson	44 min
Jun 17, 7:38 PM CDT	Special Weather Statement	LMK	Edmonson, Hart	52 min
Jun 17, 7:49 PM CDT	Special Weather Statement	LMK	Bullitt	26 min
Jun 17, 8:23 PM CDT	Special Weather Statement	LMK	Bullitt	37 min
Jun 17, 8:36 PM CDT	Areal Flood Advisory	LMK	Franklin, Shelby	3 hr
Jun 17, 8:45 PM CDT	Special Weather Statement	LMK	Bullitt	30 min
Jun 17, 8:58 PM CDT	Severe Thunderstorm Warning	LMK	Spencer	17 min
Jun 17, 9:16 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Shelby, Spencer	29 min
Jun 17, 9:39 PM CDT	Areal Flood Advisory	LMK	Breckinridge, Bullitt, Hancock, Hardin, Meade	2 hr
Jun 17, 9:44 PM CDT	Severe Thunderstorm Warning	LMK	Anderson, Fayette, Franklin, Scott, Woodford	31 min
Jun 17, 10:00 PM CDT	Severe Thunderstorm Warning	LMK	Hardin	30 min
Jun 17, 10:01 PM CDT	Areal Flood Advisory	LMK	Franklin, Scott	3 hr
Jun 18, 12:03 AM CDT	Areal Flood Advisory	LMK	Fayette, Jessamine, Mercer, Washington, Woodford	3 hr
Jun 18, 1:37 AM CDT	River Flood Advisory	LMK	Franklin	36 hr
Jun 18, 2:40 AM CDT	River Flood Warning	LMK	Franklin	11 hr
Jun 18, 7:48 AM CDT	River Flood Warning	LMK	Nicholas, Robertson	17 hr
Jun 18, 8:48 AM CDT	Areal Flood Advisory	LMK	Cumberland, Monroe	3 hr
Jun 18, 4:04 PM CDT	Flash Flood Warning	LMK	Jefferson	116 min
Jun 18, 8:37 AM CDT	Areal Flood Advisory	LMK	Dubois	113 min
Jun 18, 12:52 PM CDT	Areal Flood Advisory	LMK	Crawford, Dubois, Harrison, Orange, Washington	3 hr
Jun 18, 1:15 PM CDT	Areal Flood Advisory	LMK	Clark, Washington	3 hr
Jun 18, 6:10 PM CDT	River Flood Advisory	LMK	Harrison, Washington	22 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2019 Every severe thunderstorm warning in 2019

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.