Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 91, NWS Louisville, KY

July 16, 20218 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 16, 2021, 4:28 PM CDT for 8 counties in 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
Jul 16, 2021, 4:28 PM CDT (21:28 UTC)
Expired
Jul 16, 2021, 5:15 PM CDT
In force
47 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Adair County, KY, Boyle County, KY, Casey County, KY, Garrard County, KY, Lincoln County, KY, Marion County, KY, Russell County, KY, Taylor County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.5 hours before the alert went out and 187 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1708 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1708 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

900 
WUUS53 KLMK 162128
SVRLMK
KYC001-021-045-079-137-155-207-217-162215-
/O.NEW.KLMK.SV.W.0091.210716T2128Z-210716T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
528 PM EDT Fri Jul 16 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Lincoln County in central Kentucky...
  Northwestern Garrard County in central Kentucky...
  Southeastern Marion County in central Kentucky...
  Northern Russell County in south central Kentucky...
  Northeastern Taylor County in central Kentucky...
  Boyle County in central Kentucky...
  Casey County in central Kentucky...
  Eastern Adair County in south central Kentucky...

* Until 615 PM EDT/515 PM CDT/.

* At 528 PM EDT/428 PM CDT/, severe thunderstorms were located along
  a line extending from near Lebanon to 6 miles southeast of
  Columbia, moving east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Danville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3697 8527 3758 8525 3772 8470 3723 8473
      3712 8490 3705 8491 3702 8488
TIME...MOT...LOC 2128Z 252DEG 46KT 3753 8520 3706 8521 

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

MJ
3 follow-up statements
584 
WWUS53 KLMK 162148
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
548 PM EDT Fri Jul 16 2021

KYC001-021-045-079-137-155-207-217-162215-
/O.CON.KLMK.SV.W.0091.000000T0000Z-210716T2215Z/
Lincoln KY-Garrard KY-Marion KY-Russell KY-Taylor KY-Boyle KY-
Casey KY-Adair KY-
548 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM
EDT/515 PM CDT/ FOR NORTHWESTERN LINCOLN...NORTHWESTERN GARRARD...
SOUTHEASTERN MARION...NORTHERN RUSSELL...NORTHEASTERN TAYLOR...
BOYLE...CASEY AND EASTERN ADAIR COUNTIES...

At 547 PM EDT/447 PM CDT/, severe thunderstorms were located along a
line extending from 13 miles east of Lebanon to 8 miles north of
Jamestown, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Liberty, Danville, Lebanon, Jamestown, Russell Springs, Junction
City, Hustonville, Bradfordsville, Brumfield and Parksville.

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 3697 8527 3758 8525 3772 8470 3723 8473
      3712 8490 3705 8491 3702 8488
TIME...MOT...LOC 2147Z 252DEG 38KT 3757 8501 3710 8502 

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

MJ
506 
WWUS53 KLMK 162206
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
606 PM EDT Fri Jul 16 2021

KYC001-155-207-217-162215-
/O.CAN.KLMK.SV.W.0091.000000T0000Z-210716T2215Z/
Marion KY-Russell KY-Taylor KY-Adair KY-
606 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARION...NORTHERN
RUSSELL...NORTHEASTERN TAYLOR AND EASTERN ADAIR COUNTIES IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 3716 8502 3717 8503 3757 8504 3764 8503
      3772 8470 3723 8473 3712 8490
TIME...MOT...LOC 2205Z 252DEG 46KT 3764 8475 3717 8476 

$$

KYC021-045-079-137-162215-
/O.CON.KLMK.SV.W.0091.000000T0000Z-210716T2215Z/
Lincoln KY-Garrard KY-Boyle KY-Casey KY-
606 PM EDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHWESTERN LINCOLN...NORTHWESTERN GARRARD...BOYLE AND CASEY
COUNTIES...

At 605 PM EDT, severe thunderstorms were located along a line
extending from Danville to Stab, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Liberty, Danville, Junction City, Hustonville, Peytons Store,
Brumfield, Caldwell Manor, Lawhorn Hill, Parksville and Teddy.

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 3716 8502 3717 8503 3757 8504 3764 8503
      3772 8470 3723 8473 3712 8490
TIME...MOT...LOC 2205Z 252DEG 46KT 3764 8475 3717 8476 

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

MJ
778 
WWUS53 KLMK 162214
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
614 PM EDT Fri Jul 16 2021

KYC021-045-079-137-162224-
/O.EXP.KLMK.SV.W.0091.000000T0000Z-210716T2215Z/
Lincoln KY-Garrard KY-Boyle KY-Casey KY-
614 PM EDT Fri Jul 16 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN LINCOLN...
NORTHWESTERN GARRARD...BOYLE AND CASEY COUNTIES WILL EXPIRE AT 615 PM
EDT...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

LAT...LON 3716 8502 3717 8503 3757 8504 3764 8503
      3772 8470 3723 8473 3712 8490
TIME...MOT...LOC 2214Z 252DEG 46KT 3767 8463 3720 8464 

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 12:59 PM CDTSpecial Weather StatementLMKBullitt16 min
Jul 16, 1:04 PM CDTSpecial Weather StatementLMKLincoln26 min
Jul 16, 1:12 PM CDTAreal Flood AdvisoryLMKAdair, Casey76 min
Jul 16, 1:28 PM CDTSpecial Weather StatementLMKSpencer32 min
Jul 16, 1:42 PM CDTSevere Thunderstorm WarningLMKShelby, Spencer33 min
Jul 16, 1:59 PM CDTSpecial Weather StatementLMKFranklin31 min
Jul 16, 2:12 PM CDTSevere Thunderstorm WarningLMKFranklin, Shelby33 min
Jul 16, 2:48 PM CDTSpecial Weather StatementLMKGreen, Marion, Mercer, Taylor, Washington57 min
Jul 16, 2:49 PM CDTSpecial Weather StatementLMKRobertson26 min
Jul 16, 2:57 PM CDTAreal Flood AdvisoryLMKMarion, Nelson, Washington3 hr
Jul 16, 2:59 PM CDTAreal Flood AdvisoryLMKAnderson, Franklin, Scott, Shelby, Woodford3 hr
Jul 16, 3:02 PM CDTSpecial Weather StatementLMKAllen, Barren, Metcalfe, Monroe43 min
Jul 16, 3:06 PM CDTSpecial Weather StatementLMKBourbon, Nicholas24 min
Jul 16, 3:15 PM CDTFlash Flood WarningLMKMarion2 hr
Jul 16, 3:17 PM CDTSpecial Weather StatementLMKHart28 min
Jul 16, 3:28 PM CDTSpecial Weather StatementLMKNicholas32 min
Jul 16, 3:46 PM CDTSpecial Weather StatementLMKAdair, Boyle, Casey, Clinton, Cumberland, Green and 5 more59 min
Jul 16, 3:52 PM CDTSpecial Weather StatementLMKOldham38 min
Jul 16, 4:41 PM CDTAreal Flood AdvisoryLMKAdair, Casey, Green, Marion, Russell, Taylor3 hr
Jul 16, 4:50 PM CDTSpecial Weather StatementLMKBullitt40 min
Jul 16, 5:15 PM CDTSpecial Weather StatementLMKBoyle, Garrard, Lincoln45 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2021Every 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.