Alert archive / Kentucky / Special Weather Statements in 2017

Special Weather Statement, NWS Louisville, KY

August 2, 2017Casey County, Kentucky

NWS Louisville, KY issued this special weather statement at Aug 2, 2017, 7:21 PM EDT for Casey 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 2, 2017, 7:21 PM EDT (23:21 UTC)
Expired: Aug 2, 2017, 7:45 PM EDT
In force: 24 min
Issued by: NWS Louisville, KY

County Casey County, KY

The radar

The Louisville radar (KLVX), 113 km from the middle of the area, began a volume at 23:20 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, 11.4 hours before the alert went out and 197 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: 639 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1143 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

312 
WWUS83 KLMK 022321
SPSLMK

Special Weather Statement
National Weather Service Louisville KY
721 PM EDT WED AUG 2 2017

KYZ066-022345-
Casey-
721 PM EDT WED AUG 2 2017

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CASEY COUNTY...

At 721 PM EDT, a strong thunderstorm was located over Liberty, moving
northeast at 30 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Liberty, Atterson, Lawhorn Hill, Rheber, Pricetown, Creston,
Middleburg, Lanhamtown and Beech Bottom.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3723 8502 3737 8512 3745 8490 3733 8478
TIME...MOT...LOC 2321Z 243DEG 26KT 3733 8498 

$$

ZT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 8:18 PM EDT	Special Weather Statement	LMK	Breckinridge, Hancock	27 min
Aug 1, 8:29 PM EDT	Severe Thunderstorm Warning	LMK	Oldham	31 min
Aug 1, 8:43 PM EDT	Special Weather Statement	LMK	Oldham	32 min
Aug 1, 9:10 PM EDT	Special Weather Statement	LMK	Oldham	35 min
Aug 2, 1:43 PM EDT	Special Weather Statement	LMK	Jefferson, Shelby, Spencer	32 min
Aug 2, 1:57 PM EDT	Special Weather Statement	LMK	Franklin	18 min
Aug 2, 2:12 PM EDT	Special Weather Statement	LMK	Scott	33 min
Aug 2, 2:20 PM EDT	Special Weather Statement	LMK	Henry	25 min
Aug 2, 2:26 PM EDT	Severe Thunderstorm Warning	LMK	Harrison, Scott	19 min
Aug 2, 2:39 PM EDT	Special Weather Statement	LMK	Anderson	21 min
Aug 2, 2:43 PM EDT	Special Weather Statement	LMK	Harrison	17 min
Aug 2, 2:58 PM EDT	Special Weather Statement	LMK	Bourbon, Nicholas	17 min
Aug 2, 3:11 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Nicholas	13 min
Aug 2, 3:21 PM EDT	Areal Flood Advisory	LMK	Bourbon, Nicholas	54 min
Aug 2, 3:23 PM EDT	Special Weather Statement	LMK	Fayette	22 min
Aug 2, 3:38 PM EDT	Special Weather Statement	LMK	Bourbon	22 min
Aug 2, 3:44 PM EDT	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette	31 min
Aug 2, 4:09 PM EDT	Special Weather Statement	LMK	Clark	36 min
Aug 2, 4:25 PM EDT	Special Weather Statement	LMK	Garrard, Madison	50 min
Aug 2, 5:04 PM EDT	Special Weather Statement	LMK	Oldham	26 min
Aug 2, 5:14 PM EDT	Special Weather Statement	LMK	Madison	16 min
Aug 2, 5:28 PM EDT	Special Weather Statement	LMK	Warren	32 min
Aug 2, 5:57 PM EDT	Severe Thunderstorm Warning	LMK	Butler, Logan	33 min
Aug 2, 6:16 PM EDT	Special Weather Statement	LMK	Logan	29 min
Aug 2, 6:47 PM EDT	Special Weather Statement	LMK	Simpson	28 min
Aug 1, 8:04 PM EDT	Severe Thunderstorm Warning	LMK	Clark	26 min
Aug 2, 5:30 PM EDT	Special Weather Statement	LMK	Dubois, Orange	30 min
Aug 2, 5:48 PM EDT	Special Weather Statement	LMK	Floyd	27 min
Aug 2, 6:42 PM EDT	Special Weather Statement	LMK	Jefferson	33 min

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.