Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 42, NWS Louisville, KY

June 12, 2021Casey County, Lincoln County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 12, 2021, 4:44 PM EDT for Casey County, Lincoln County, Kentucky. It was in force for 31 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: Jun 12, 2021, 4:44 PM EDT (20:44 UTC)
Expired: Jun 12, 2021, 5:15 PM EDT
In force: 31 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Casey County, KY, Lincoln County, KY

The radar

The Louisville radar (KLVX), 129 km from the middle of the area, began a volume at 20:48 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, 8.7 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: 1463 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1034 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

As transmitted.

291 
WUUS53 KLMK 122044
SVRLMK
KYC045-137-122115-
/O.NEW.KLMK.SV.W.0042.210612T2044Z-210612T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
444 PM EDT Sat Jun 12 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  South central Lincoln County in central Kentucky...
  Southeastern Casey County in central Kentucky...

* Until 515 PM EDT.

* At 443 PM EDT, severe thunderstorms were located along a line
  extending from 6 miles south of Stanford to 6 miles west of Bee
  Lick, moving south at 40 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* These severe thunderstorms will affect the following locations... 
  Halls Gap, Mintonville, Kings Mountain, Ware, Bethelridge, 
  Walltown, Argyle, and Waynesburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3729 8484 3748 8462 3733 8459 3717 8481
TIME...MOT...LOC 2043Z 014DEG 35KT 3744 8465 3732 8462 

HAIL...0.75IN
WIND...60MPH
 
$$

13

2 follow-up statements

896 
WWUS53 KLMK 122059
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
459 PM EDT Sat Jun 12 2021

KYC045-137-122115-
/O.CON.KLMK.SV.W.0042.000000T0000Z-210612T2115Z/
Lincoln KY-Casey KY-
459 PM EDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR SOUTH CENTRAL LINCOLN AND SOUTHEASTERN CASEY COUNTIES...

At 458 PM EDT, severe thunderstorms were located from 10 miles west 
of Woodstock to near Science Hill, moving south at 35 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.

Locations impacted include...  
Waynesburg, Walltown, Mount Olive, and Bethelridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous intense lightning is occurring with these storms.
Lightning is one of nature's leading killers.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3729 8484 3737 8464 3733 8459 3717 8481
TIME...MOT...LOC 2058Z 019DEG 32KT 3732 8469 3725 8469 

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

13

275 
WWUS53 KLMK 122107
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
507 PM EDT Sat Jun 12 2021

KYC045-137-122115-
/O.EXP.KLMK.SV.W.0042.000000T0000Z-210612T2115Z/
Lincoln KY-Casey KY-
507 PM EDT Sat Jun 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LINCOLN AND
SOUTHEASTERN CASEY COUNTIES WILL EXPIRE AT 515 PM EDT...
    
The storms which prompted the warning have moved out of the area.

If you observed hail of at least one inch in diameter or whole trees 
blown down, please let us know via Facebook or Twitter, or notify 
local law enforcement and request that they pass the information on 
to the National Weather Service in Louisville. Thank you.

LAT...LON 3729 8484 3737 8464 3733 8459 3717 8481
TIME...MOT...LOC 2105Z 014DEG 35KT 3726 8471 3719 8471 

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 8:13 PM EDT	Severe Thunderstorm Warning	LMK	Hart	47 min
Jun 11, 8:51 PM EDT	Special Weather Statement	LMK	Adair	54 min
Jun 11, 8:52 PM EDT	Special Weather Statement	LMK	Hardin	53 min
Jun 11, 9:07 PM EDT	Severe Thunderstorm Warning	LMK	Grayson	23 min
Jun 11, 9:17 PM EDT	Special Weather Statement	LMK	Clinton, Cumberland	58 min
Jun 11, 9:32 PM EDT	Severe Thunderstorm Warning	LMK	Edmonson, Grayson	28 min
Jun 11, 9:55 PM EDT	Severe Thunderstorm Warning	LMK	Edmonson, Warren	35 min
Jun 11, 10:30 PM EDT	Special Weather Statement	LMK	Allen, Warren	60 min
Jun 12, 2:09 PM EDT	Special Weather Statement	LMK	Nicholas	36 min
Jun 12, 3:16 PM EDT	Special Weather Statement	LMK	Madison	29 min
Jun 12, 3:50 PM EDT	Areal Flood Advisory	LMK	Clark, Madison	3 hr
Jun 12, 3:56 PM EDT	Special Weather Statement	LMK	Fayette, Garrard, Jessamine, Lincoln, Madison	34 min
Jun 12, 4:14 PM EDT	Special Weather Statement	LMK	Scott	46 min
Jun 12, 4:17 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln	28 min
Jun 12, 4:31 PM EDT	Special Weather Statement	LMK	Fayette, Franklin, Garrard, Jessamine, Scott, Woodford	44 min
Jun 12, 5:11 PM EDT	Special Weather Statement	LMK	Mercer	34 min
Jun 12, 5:15 PM EDT	Areal Flood Advisory	LMK	Garrard, Lincoln, Madison	3 hr
Jun 12, 5:19 PM EDT	Severe Thunderstorm Warning	LMK	Garrard, Jessamine, Mercer, Woodford	26 min
Jun 12, 5:43 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Mercer	32 min
Jun 12, 6:10 PM EDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Marion	23 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.