Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

June 21, 2021Spencer County, Kentucky

NWS Louisville, KY issued this special weather statement at Jun 21, 2021, 12:21 PM EDT for Spencer County, Kentucky. It was in force for 39 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 21, 2021, 12:21 PM EDT (16:21 UTC)
Expired: Jun 21, 2021, 1:00 PM EDT
In force: 39 min
Issued by: NWS Louisville, KY

County Spencer County, KY

The radar

The Louisville radar (KLVX), 51 km from the middle of the area, began a volume at 16:21 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.

What was reported inside it

Time	Report	Where	Remark
Jun 21, 12:45 PM EDT	TSTM WND DMG	1 N Bloomfield, KY	DISPATCH REPORTED A COUPLE OF TREES DOWN IN THE 800 BLOCK OF TAYLORSVILLE RD. TIME ESTIMATED FROM TDWR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.4 hours before the alert went out and 212 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: 1320 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 785 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 313 m²/s²
0-3 km storm-relative helicity: 308 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

As transmitted.

246 
WWUS83 KLMK 211621
SPSLMK

Special Weather Statement
National Weather Service Louisville KY
1221 PM EDT Mon Jun 21 2021

KYZ029-034-038-039-045-046-211700-
Shelby-Bullitt-Spencer-Washington-Nelson-Anderson-
1221 PM EDT Mon Jun 21 2021

...A STRONG THUNDERSTORM WILL AFFECT SPENCER...SOUTHEASTERN SHELBY...
NORTHEASTERN NELSON...WESTERN ANDERSON...NORTH CENTRAL WASHINGTON AND
SOUTHEASTERN BULLITT COUNTIES...

At 1220 PM EDT, a strong thunderstorm was located 7 miles southwest
of Taylorsville, moving east at 35 mph.

Locations impacted include...
Taylorsville, Bloomfield, Wakefield, Yoder, Ridgetop, Highgrove,
Waterford, Wayside, Hobbs and Smithville.

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

LAT...LON 3787 8566 3795 8565 3797 8552 3804 8552
      3805 8542 3812 8504 3806 8506 3797 8517
      3791 8516 3789 8504 3788 8546
TIME...MOT...LOC 1620Z 260DEG 30KT 3797 8545 

$$

JDG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 11:21 AM EDT	Special Weather Statement	LMK	Breckinridge	24 min
Jun 21, 11:42 AM EDT	Special Weather Statement	LMK	Ohio	48 min
Jun 21, 11:48 AM EDT	Special Weather Statement	LMK	Breckinridge	42 min
Jun 21, 12:06 PM EDT	Special Weather Statement	LMK	Clark	24 min
Jun 21, 12:26 PM EDT	Special Weather Statement	LMK	Hardin	49 min
Jun 21, 12:34 PM EDT	Special Weather Statement	LMK	Grayson	41 min
Jun 21, 12:41 PM EDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin, Hart	34 min
Jun 21, 12:54 PM EDT	Special Weather Statement	LMK	Nelson, Spencer	51 min
Jun 21, 1:00 PM EDT	Severe Thunderstorm Warning	LMK	Anderson, Nelson, Washington	45 min
Jun 21, 1:09 PM EDT	Areal Flood Advisory	LMK	Breckinridge, Bullitt, Grayson, Hardin, Meade, Nelson	4 hr
Jun 21, 1:19 PM EDT	Special Weather Statement	LMK	Anderson, Fayette, Woodford	41 min
Jun 21, 1:27 PM EDT	Special Weather Statement	LMK	Clark	33 min
Jun 21, 1:35 PM EDT	Special Weather Statement	LMK	Hardin	55 min
Jun 21, 1:42 PM EDT	Special Weather Statement	LMK	Washington	48 min
Jun 21, 1:48 PM EDT	Severe Thunderstorm Warning	LMK	Marion, Nelson, Washington	27 min
Jun 21, 1:55 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Fayette, Jessamine	25 min
Jun 21, 2:09 PM EDT	Special Weather Statement	LMK	Madison	36 min
Jun 21, 2:11 PM EDT	Special Weather Statement	LMK	Ohio	34 min
Jun 21, 2:13 PM EDT	Special Weather Statement	LMK	Boyle	32 min
Jun 21, 2:19 PM EDT	Special Weather Statement	LMK	Grayson	26 min
Jun 21, 2:28 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Madison	15 min
Jun 21, 2:30 PM EDT	Special Weather Statement	LMK	Lincoln	30 min
Jun 21, 2:33 PM EDT	Special Weather Statement	LMK	Larue	27 min
Jun 21, 2:38 PM EDT	Areal Flood Advisory	LMK	Butler, Grayson, Ohio	3 hr
Jun 21, 2:41 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln	34 min
Jun 21, 2:49 PM EDT	Special Weather Statement	LMK	Madison	41 min
Jun 21, 2:58 PM EDT	Severe Thunderstorm Warning	LMK	Madison	32 min
Jun 21, 3:13 PM EDT	Areal Flood Advisory	LMK	Green, Hart, Larue, Marion, Nelson, Taylor	3 hr
Jun 21, 3:20 PM EDT	Special Weather Statement	LMK	Edmonson	25 min
Jun 21, 3:25 PM EDT	Special Weather Statement	LMK	Boyle	35 min
Jun 21, 3:33 PM EDT	Flash Flood Warning	LMK	Boyle, Casey, Marion	2 hr
Jun 21, 3:36 PM EDT	Special Weather Statement	LMK	Metcalfe	24 min
Jun 21, 3:38 PM EDT	Special Weather Statement	LMK	Clinton	22 min
Jun 21, 3:40 PM EDT	Areal Flood Advisory	LMK	Edmonson, Hart, Warren	3 hr
Jun 21, 4:57 PM EDT	Special Weather Statement	LMK	Clinton	18 min
Jun 21, 4:59 PM EDT	Special Weather Statement	LMK	Fayette	31 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.