Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS Louisville, KY

June 11, 2021Edmonson County, Grayson County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 11, 2021, 8:32 PM CDT for Edmonson County, Grayson County, Kentucky. It was in force for 28 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 11, 2021, 8:32 PM CDT (01:32 UTC)
Expired: Jun 11, 2021, 9:00 PM CDT
In force: 28 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Edmonson County, KY, Grayson County, KY

The radar

The Louisville radar (KLVX), 79 km from the middle of the area, began a volume at 01:34 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 00:00Z, 1.5 hours before the alert went out and 135 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: 2123 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 931 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

As transmitted.

607 
WUUS53 KLMK 120132
SVRLMK
KYC061-085-120200-
/O.NEW.KLMK.SV.W.0039.210612T0132Z-210612T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
832 PM CDT Fri Jun 11 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  South central Grayson County in central Kentucky...
  Central Edmonson County in south central Kentucky...

* Until 900 PM CDT.

* At 832 PM CDT, a severe thunderstorm was located 8 miles southeast
  of Leitchfield, moving south at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Brownsville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3714 8632 3742 8630 3742 8618 3736 8616
      3735 8616 3735 8615 3733 8616 3732 8615
      3714 8608
TIME...MOT...LOC 0132Z 356DEG 23KT 3737 8623 

HAIL...<.75IN
WIND...60MPH
 
$$

MJ

2 follow-up statements

417 
WWUS53 KLMK 120144
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
844 PM CDT Fri Jun 11 2021

KYC061-085-120200-
/O.CON.KLMK.SV.W.0039.000000T0000Z-210612T0200Z/
Grayson KY-Edmonson KY-
844 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTH CENTRAL GRAYSON AND CENTRAL EDMONSON COUNTIES...

At 844 PM CDT, a severe thunderstorm was located 7 miles north of
Brownsville, moving south at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Brownsville, Ollie, Rhoda, Lindseyville, Bee Spring, Ponderosa,
Broadway, Stockholm, Straw and Mammoth Cave.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3736 8630 3736 8616 3735 8616 3735 8615
      3733 8616 3732 8615 3714 8608 3714 8632
TIME...MOT...LOC 0144Z 357DEG 22KT 3731 8626 

HAIL...<.75IN
WIND...60MPH
 
$$

MJ

170 
WWUS53 KLMK 120158
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
858 PM CDT Fri Jun 11 2021

KYC061-085-120207-
/O.EXP.KLMK.SV.W.0039.000000T0000Z-210612T0200Z/
Grayson KY-Edmonson KY-
858 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL GRAYSON AND
CENTRAL EDMONSON COUNTIES WILL EXPIRE AT 900 PM CDT...

The storm that prompted the warning for south central Grayson and 
central Edmonson counties has moved south out of the warning area. 
The threat for severe weather is over for Grayson county.

A new severe thunderstorm warning remains in effect for all of 
Edmonson and northeastern Warren counties until 930 PM CDT. 

LAT...LON 3736 8630 3736 8616 3735 8616 3735 8615
      3733 8616 3732 8615 3714 8608 3714 8632
TIME...MOT...LOC 0157Z 356DEG 23KT 3724 8625 

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:13 PM CDT	Severe Thunderstorm Warning	LMK	Hart	47 min
Jun 11, 7:51 PM CDT	Special Weather Statement	LMK	Adair	54 min
Jun 11, 7:52 PM CDT	Special Weather Statement	LMK	Hardin	53 min
Jun 11, 8:07 PM CDT	Severe Thunderstorm Warning	LMK	Grayson	23 min
Jun 11, 8:17 PM CDT	Special Weather Statement	LMK	Clinton, Cumberland	58 min
Jun 11, 8:55 PM CDT	Severe Thunderstorm Warning	LMK	Edmonson, Warren	35 min
Jun 11, 9:30 PM CDT	Special Weather Statement	LMK	Allen, Warren	60 min
Jun 12, 1:09 PM CDT	Special Weather Statement	LMK	Nicholas	36 min
Jun 12, 2:16 PM CDT	Special Weather Statement	LMK	Madison	29 min
Jun 12, 2:50 PM CDT	Areal Flood Advisory	LMK	Clark, Madison	3 hr
Jun 12, 2:56 PM CDT	Special Weather Statement	LMK	Fayette, Garrard, Jessamine, Lincoln, Madison	34 min
Jun 12, 3:14 PM CDT	Special Weather Statement	LMK	Scott	46 min
Jun 12, 3:17 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Lincoln	28 min
Jun 12, 3:31 PM CDT	Special Weather Statement	LMK	Fayette, Franklin, Garrard, Jessamine, Scott, Woodford	44 min
Jun 12, 3:44 PM CDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln	31 min
Jun 12, 4:11 PM CDT	Special Weather Statement	LMK	Mercer	34 min
Jun 12, 4:15 PM CDT	Areal Flood Advisory	LMK	Garrard, Lincoln, Madison	3 hr
Jun 12, 4:19 PM CDT	Severe Thunderstorm Warning	LMK	Garrard, Jessamine, Mercer, Woodford	26 min
Jun 12, 4:43 PM CDT	Severe Thunderstorm Warning	LMK	Boyle, Mercer	32 min
Jun 12, 5:10 PM CDT	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.