Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

August 14, 2021Logan County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 14, 2021, 1:06 PM CDT for Logan County, Kentucky. It was in force for 24 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: Aug 14, 2021, 1:06 PM CDT (18:06 UTC)
Expired: Aug 14, 2021, 1:30 PM CDT
In force: 24 min
Issued by: NWS Louisville, KY
Hail: 0.25 in
Wind: 40

County Logan County, KY

The radar

The Ft Campbell radar (KHPX), 36 km from the middle of the area, began a volume at 18:08 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, 6.1 hours before the alert went out and 88 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: 250 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 966 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Aug 14, 12:01 PM CDT, 1 hour 5 minutes earlier.

Area forecast discussion, Aug 14, 12:01 PM CDT, 1 hour 5 minutes before

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Hazardous weather outlook, Aug 14, 2:47 AM CDT, 10 hours 19 minutes before

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In the hours before

Special weather statement, Aug 14, 1:06 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Louisville KY
106 PM CDT Sat Aug 14 2021

KYZ070-141830-
Logan KY-
106 PM CDT Sat Aug 14 2021

...A strong thunderstorm will impact portions of central Logan County
through 130 PM CDT...

At 106 PM CDT, Doppler radar was tracking a strong thunderstorm near
Russellville, moving east at 10 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of central Logan
County, including the following locations... Cooperstown, Danby,
Edwards, Epleys, Dennis, Homer, Chandlers Chapel and Whippoorwill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3680 8701 3696 8700 3699 8679 3683 8678
TIME...MOT...LOC 1806Z 257DEG 15KT 3690 8689

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

DM

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 13, 7:09 PM CDT	Areal Flood Advisory	LMK	Franklin, Harrison, Henry, Scott, Shelby	3 hr
Aug 14, 1:07 PM CDT	Special Weather Statement	LMK	Hardin	23 min
Aug 14, 1:28 PM CDT	Special Weather Statement	LMK	Logan	32 min
Aug 14, 1:32 PM CDT	Special Weather Statement	LMK	Hardin	28 min
Aug 14, 1:43 PM CDT	Special Weather Statement	LMK	Warren	32 min
Aug 14, 1:54 PM CDT	Areal Flood Advisory	LMK	Jefferson	2 hr
Aug 14, 1:58 PM CDT	Areal Flood Advisory	LMK	Hardin	2 hr
Aug 14, 2:00 PM CDT	Areal Flood Advisory	LMK	Warren	3 hr
Aug 14, 2:10 PM CDT	Areal Flood Advisory	LMK	Metcalfe	2 hr
Aug 14, 2:16 PM CDT	Areal Flood Advisory	LMK	Bullitt, Jefferson	119 min
Aug 14, 2:18 PM CDT	Areal Flood Advisory	LMK	Nelson	117 min
Aug 14, 2:22 PM CDT	Special Weather Statement	LMK	Warren	38 min
Aug 14, 2:33 PM CDT	Areal Flood Advisory	LMK	Hardin	117 min
Aug 14, 2:39 PM CDT	Flash Flood Warning	LMK	Bullitt, Jefferson	3 hr
Aug 14, 2:47 PM CDT	Areal Flood Advisory	LMK	Nicholas	3 hr
Aug 14, 2:57 PM CDT	Areal Flood Advisory	LMK	Larue	3 hr
Aug 14, 3:25 PM CDT	Flash Flood Warning	LMK	Larue, Nelson	3 hr
Aug 14, 3:44 PM CDT	Areal Flood Advisory	LMK	Butler	3 hr
Aug 14, 3:45 PM CDT	Areal Flood Advisory	LMK	Grayson, Ohio	3 hr
Aug 14, 4:47 PM CDT	Areal Flood Advisory	LMK	Breckinridge, Meade	3 hr
Aug 14, 6:50 PM CDT	Areal Flood Advisory	LMK	Lincoln	3 hr

Nearby

Special Weather Statements in Kentucky, 2021 Every special weather statement in 2021

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.