Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 82, NWS Louisville, KY

July 10, 2021Boyle County, Casey County, Marion County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 10, 2021, 5:58 PM EDT for Boyle County, Casey County, Marion County, Kentucky. It was in force for 17 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: Jul 10, 2021, 5:58 PM EDT (21:58 UTC)
Expired: Jul 10, 2021, 6:15 PM EDT
In force: 17 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Boyle County, KY, Casey County, KY, Marion County, KY

The radar

The Louisville radar (KLVX), 101 km from the middle of the area, began a volume at 22:01 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 207 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: 1536 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 721 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

121 
WUUS53 KLMK 102158
SVRLMK
KYC021-045-155-102215-
/O.NEW.KLMK.SV.W.0082.210710T2158Z-210710T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
558 PM EDT Sat Jul 10 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Marion County in central Kentucky...
  South central Boyle County in central Kentucky...
  North central Casey County in central Kentucky...

* Until 615 PM EDT.

* At 558 PM EDT, a severe thunderstorm was located 11 miles north of
  Liberty, moving northeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Marion, south central Boyle and north central Casey
  Counties, including the following locations... Peytons Store,
  Chilton, Jacktown, Parksville, Ellisburg and Butchertown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3741 8505 3746 8509 3763 8487 3744 8486
TIME...MOT...LOC 2158Z 238DEG 25KT 3747 8500 

HAIL...1.00IN
WIND...60MPH
 
$$

RAS

1 follow-up statement

817 
WWUS53 KLMK 102215
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
615 PM EDT Sat Jul 10 2021

KYC021-045-155-102225-
/O.EXP.KLMK.SV.W.0082.000000T0000Z-210710T2215Z/
Marion KY-Boyle KY-Casey KY-
615 PM EDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARION...SOUTH
CENTRAL BOYLE AND NORTH CENTRAL CASEY COUNTIES HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Louisville.

LAT...LON 3741 8505 3746 8509 3763 8487 3744 8486
TIME...MOT...LOC 2215Z 238DEG 25KT 3753 8488 

$$

RAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 3:48 AM EDT	Flash Flood Watch	LMK	Allen, Barren, Breckinridge, Butler, Edmonson, Grayson and 12 more	26 hr
Jul 10, 6:47 AM EDT	Special Weather Statement	LMK	Hancock, Ohio	28 min
Jul 10, 8:57 AM EDT	Special Weather Statement	LMK	Taylor	33 min
Jul 10, 2:49 PM EDT	Special Weather Statement	LMK	Barren	26 min
Jul 10, 3:09 PM EDT	Special Weather Statement	LMK	Butler	36 min
Jul 10, 3:16 PM EDT	Special Weather Statement	LMK	Barren	29 min
Jul 10, 3:17 PM EDT	Special Weather Statement	LMK	Cumberland	28 min
Jul 10, 3:37 PM EDT	Special Weather Statement	LMK	Warren	23 min
Jul 10, 3:47 PM EDT	Areal Flood Advisory	LMK	Butler, Logan, Warren	3 hr
Jul 10, 3:52 PM EDT	Special Weather Statement	LMK	Barren	23 min
Jul 10, 4:18 PM EDT	Special Weather Statement	LMK	Edmonson	27 min
Jul 10, 4:20 PM EDT	Special Weather Statement	LMK	Hart	25 min
Jul 10, 4:37 PM EDT	Special Weather Statement	LMK	Adair, Russell	23 min
Jul 10, 4:48 PM EDT	Special Weather Statement	LMK	Green, Hart	27 min
Jul 10, 4:50 PM EDT	Special Weather Statement	LMK	Barren	25 min
Jul 10, 5:07 PM EDT	Special Weather Statement	LMK	Hardin	23 min
Jul 10, 5:13 PM EDT	Special Weather Statement	LMK	Larue	32 min
Jul 10, 5:39 PM EDT	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	36 min
Jul 10, 5:44 PM EDT	Special Weather Statement	LMK	Casey	31 min
Jul 10, 6:23 PM EDT	Areal Flood Advisory	LMK	Breckinridge	3 hr
Jul 10, 6:53 PM EDT	Special Weather Statement	LMK	Jefferson	22 min
Jul 10, 6:56 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson	34 min
Jul 10, 7:42 PM EDT	Special Weather Statement	LMK	Oldham, Trimble	33 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021 Every severe thunderstorm warning 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.