Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 81, NWS Louisville, KY

July 10, 2021Breckinridge County, Hancock County, Ohio County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 10, 2021, 4:39 PM CDT for Breckinridge County, Hancock County, Ohio County, Kentucky. It was in force for 36 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, 4:39 PM CDT (21:39 UTC)
Expired: Jul 10, 2021, 5:15 PM CDT
In force: 36 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Breckinridge County, KY, Hancock County, KY, Ohio County, KY

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 21:38 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, 9.7 hours before the alert went out and 172 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.

281 
WUUS53 KLMK 102139
SVRLMK
KYC027-091-183-102215-
/O.NEW.KLMK.SV.W.0081.210710T2139Z-210710T2215Z/

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

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Hancock County in central Kentucky...
  Southwestern Breckinridge County in central Kentucky...
  Northeastern Ohio County in central Kentucky...

* Until 515 PM CDT.

* At 439 PM CDT, a severe thunderstorm was located 9 miles east of
  Whitesville, moving northeast at 25 mph.

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

  SOURCE...Radar indicated.

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

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Hancock, southwestern Breckinridge and northeastern
  Ohio Counties, including the following locations... Tar Fork,
  Mcquady, Cabot, Kirk, Vanzant, Ellmitch, Easton, Askin, Fordsville
  and Victoria Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3759 8669 3764 8678 3785 8661 3770 8645
TIME...MOT...LOC 2139Z 226DEG 20KT 3765 8671 

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

RAS

2 follow-up statements

752 
WWUS53 KLMK 102200
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
500 PM CDT Sat Jul 10 2021

KYC183-102210-
/O.CAN.KLMK.SV.W.0081.000000T0000Z-210710T2215Z/
Ohio KY-
500 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OHIO COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved into 
Breckinridge County. Therefore, the warning has been cancelled.

LAT...LON 3766 8660 3771 8668 3785 8661 3770 8645
TIME...MOT...LOC 2200Z 226DEG 20KT 3773 8660 

$$

KYC027-091-102215-
/O.CON.KLMK.SV.W.0081.000000T0000Z-210710T2215Z/
Hancock KY-Breckinridge KY-
500 PM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR EASTERN HANCOCK AND WEST CENTRAL BRECKINRIDGE COUNTIES...

At 500 PM CDT, a severe thunderstorm was located 8 miles southwest of
Hardinsburg, moving northeast at 25 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Cloverport, Tar Fork, Mcquady, Kirk and Mattingly. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3766 8660 3771 8668 3785 8661 3770 8645
TIME...MOT...LOC 2200Z 226DEG 20KT 3773 8660 

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

RAS

319 
WWUS53 KLMK 102214
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
514 PM CDT Sat Jul 10 2021

KYC027-091-102224-
/O.EXP.KLMK.SV.W.0081.000000T0000Z-210710T2215Z/
Hancock KY-Breckinridge KY-
514 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HANCOCK AND WEST
CENTRAL BRECKINRIDGE COUNTIES WILL EXPIRE AT 515 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.

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

LAT...LON 3766 8660 3771 8668 3785 8661 3770 8645
TIME...MOT...LOC 2214Z 226DEG 20KT 3778 8653 

$$

RAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 2:48 AM CDT	Flash Flood Watch	LMK	Allen, Barren, Breckinridge, Butler, Edmonson, Grayson and 12 more	26 hr
Jul 10, 5:47 AM CDT	Special Weather Statement	LMK	Hancock, Ohio	28 min
Jul 10, 7:57 AM CDT	Special Weather Statement	LMK	Taylor	33 min
Jul 10, 1:49 PM CDT	Special Weather Statement	LMK	Barren	26 min
Jul 10, 2:09 PM CDT	Special Weather Statement	LMK	Butler	36 min
Jul 10, 2:16 PM CDT	Special Weather Statement	LMK	Barren	29 min
Jul 10, 2:17 PM CDT	Special Weather Statement	LMK	Cumberland	28 min
Jul 10, 2:37 PM CDT	Special Weather Statement	LMK	Warren	23 min
Jul 10, 2:47 PM CDT	Areal Flood Advisory	LMK	Butler, Logan, Warren	3 hr
Jul 10, 2:52 PM CDT	Special Weather Statement	LMK	Barren	23 min
Jul 10, 3:18 PM CDT	Special Weather Statement	LMK	Edmonson	27 min
Jul 10, 3:20 PM CDT	Special Weather Statement	LMK	Hart	25 min
Jul 10, 3:37 PM CDT	Special Weather Statement	LMK	Adair, Russell	23 min
Jul 10, 3:48 PM CDT	Special Weather Statement	LMK	Green, Hart	27 min
Jul 10, 3:50 PM CDT	Special Weather Statement	LMK	Barren	25 min
Jul 10, 4:07 PM CDT	Special Weather Statement	LMK	Hardin	23 min
Jul 10, 4:13 PM CDT	Special Weather Statement	LMK	Larue	32 min
Jul 10, 4:44 PM CDT	Special Weather Statement	LMK	Casey	31 min
Jul 10, 4:58 PM CDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Marion	17 min
Jul 10, 5:23 PM CDT	Areal Flood Advisory	LMK	Breckinridge	3 hr
Jul 10, 5:53 PM CDT	Special Weather Statement	LMK	Jefferson	22 min
Jul 10, 5:56 PM CDT	Severe Thunderstorm Warning	LMK	Jefferson	34 min
Jul 10, 6:42 PM CDT	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.