Alert archive / Kentucky / Special Weather Statements in 2017

Special Weather Statement, NWS Louisville, KY

October 8, 2017Franklin County, Scott County, Woodford County, Kentucky

NWS Louisville, KY issued this special weather statement at Oct 8, 2017, 12:02 AM EDT for Franklin County, Scott County, Woodford 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 outline as issued.

The facts

Issued: Oct 8, 2017, 12:02 AM EDT (04:02 UTC)
Expired: Oct 8, 2017, 12:30 AM EDT
In force: 28 min
Issued by: NWS Louisville, KY

Counties Franklin County, KY, Scott County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 116 km from the middle of the area, began a volume at 04:01 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 00:00Z, 4.0 hours before the alert went out and 146 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: 82 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 1207 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 271 m²/s²
0-3 km storm-relative helicity: 378 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Oct 7, 9:45 PM EDT, 2 hours 17 minutes earlier.

Area forecast discussion, Oct 7, 9:45 PM EDT, 2 hours 17 minutes before

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Hazardous weather outlook, Oct 7, 10:45 PM EDT, 1 hour 17 minutes before

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In the hours before

Local storm report, Oct 7, 11:01 PM EDT, 1 hour 1 minute before

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Local storm report, Oct 7, 11:05 PM EDT, 57 minutes before

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Special weather statement, Oct 7, 11:12 PM EDT, 50 minutes before

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Special weather statement, Oct 7, 11:29 PM EDT, 33 minutes before

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Special weather statement, Oct 7, 11:43 PM EDT, 19 minutes before

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Special weather statement, Oct 8, 12:02 AM EDT, 0 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
Oct 7, 9:17 PM EDT	Special Weather Statement	LMK	Ohio	28 min
Oct 7, 9:40 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	35 min
Oct 7, 10:12 PM EDT	Special Weather Statement	LMK	Hardin	33 min
Oct 7, 11:12 PM EDT	Special Weather Statement	LMK	Grayson	33 min
Oct 7, 11:27 PM EDT	Areal Flood Advisory	LMK	Ohio	3 hr
Oct 7, 11:29 PM EDT	Special Weather Statement	LMK	Franklin, Henry, Shelby	31 min
Oct 7, 11:43 PM EDT	Special Weather Statement	LMK	Grayson	32 min
Oct 8, 2:43 AM EDT	Areal Flood Advisory	LMK	Butler, Grayson, Ohio	6 hr
Oct 8, 3:54 AM EDT	Flash Flood Warning	LMK	Butler, Grayson, Ohio	2 hr
Oct 8, 4:17 AM EDT	Areal Flood Advisory	LMK	Anderson, Hardin, Larue, Marion, Mercer, Nelson and 2 more	4 hr
Oct 8, 9:35 AM EDT	River Flood Advisory	LMK	Ohio	36 hr
Oct 8, 2:46 PM EDT	Areal Flood Advisory	LMK	Meade	3 hr
Oct 7, 10:16 PM EDT	Special Weather Statement	LMK	Jefferson	14 min
Oct 8, 3:34 PM EDT	Areal Flood Advisory	LMK	Crawford, Harrison, Orange, Washington	3 hr
Oct 8, 4:36 PM EDT	Areal Flood Advisory	LMK	Jefferson, Scott, Washington	3 hr

Nearby

Special Weather Statements in Kentucky, 2017 Every special weather statement in 2017

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.