Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 37, NWS Louisville, KY

June 11, 2021Hart County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 11, 2021, 7:13 PM CDT for Hart County, Kentucky. It was in force for 47 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, 7:13 PM CDT (00:13 UTC)
Expired: Jun 11, 2021, 8:00 PM CDT
In force: 47 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Hart County, KY

The radar

The Louisville radar (KLVX), 75 km from the middle of the area, began a volume at 00:17 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, 0.2 hours before the alert went out and 146 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.

981 
WUUS53 KLMK 120013
SVRLMK
KYC099-120100-
/O.NEW.KLMK.SV.W.0037.210612T0013Z-210612T0100Z/

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

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Central Hart County in central Kentucky...

* Until 800 PM CDT.

* At 713 PM CDT, a severe thunderstorm was located 9 miles north of
  Munfordville, moving southeast at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Munfordville around 730 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3715 8591 3743 8595 3744 8586 3743 8586
      3723 8568
TIME...MOT...LOC 0013Z 335DEG 19KT 3741 8590 

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

MJ

2 follow-up statements

060 
WWUS53 KLMK 120030
SVSLMK

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

KYC099-120100-
/O.CON.KLMK.SV.W.0037.000000T0000Z-210612T0100Z/
Hart KY-
730 PM CDT Fri Jun 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR CENTRAL HART COUNTY...

At 730 PM CDT, a severe thunderstorm was located near Munfordville,
moving southeast at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
  Munfordville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3715 8591 3736 8593 3738 8581 3723 8568
TIME...MOT...LOC 0030Z 335DEG 19KT 3733 8585 

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

MJ

693 
WWUS53 KLMK 120050
SVSLMK

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

KYC099-120100-
/O.EXP.KLMK.SV.W.0037.000000T0000Z-210612T0100Z/
Hart KY-
750 PM CDT Fri Jun 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HART COUNTY WILL
EXPIRE AT 800 PM CDT...
                
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 will be allowed to expire.

LAT...LON 3715 8591 3736 8593 3738 8581 3723 8568
TIME...MOT...LOC 0050Z 335DEG 19KT 3724 8580 

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 8:32 PM CDT	Severe Thunderstorm Warning	LMK	Edmonson, Grayson	28 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.