Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 41, NWS Louisville, KY

June 12, 2021Garrard County, Lincoln County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jun 12, 2021, 4:17 PM EDT for Garrard County, Lincoln County, Kentucky. It was in force for 28 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 12, 2021, 4:17 PM EDT (20:17 UTC)
Expired
Jun 12, 2021, 4:45 PM EDT
In force
28 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Garrard County, KY, Lincoln County, KY

The radar

The Jackson,KY radar (KJKL), 101 km from the middle of the area, began a volume at 20:18 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.

What was reported inside it

TimeReportWhereRemark
Jun 12, 4:18 PM EDTTSTM WND DMG4 S Rowland, KYTREE DOWN ALONG ROUTE 643 SOUTH OF SANFORD. TIME ESTIMATED FROM RADAR.
Jun 12, 4:19 PM EDTTSTM WND DMG4 E Lancaster, KYTREE DOWN ALONG RT. 1295. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.3 hours before the alert went out and 220 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, Cncnati-Daytn, OH at 12:00Z on 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 656 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, Cncnati-Daytn, OH at 12:00Z on 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
656 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

454 
WUUS53 KLMK 122017
SVRLMK
KYC079-137-122045-
/O.NEW.KLMK.SV.W.0041.210612T2017Z-210612T2045Z/

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

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Northeastern Lincoln County in central Kentucky...
  Southeastern Garrard County in central Kentucky...

* Until 445 PM EDT.

* At 417 PM EDT, a severe thunderstorm was located near Lancaster,
  moving south at 15 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 be near...
  Stanford around 420 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3747 8437 3748 8443 3748 8445 3736 8449
      3737 8465 3762 8464 3763 8442 3762 8442
      3762 8441 3761 8440 3748 8436
TIME...MOT...LOC 2017Z 358DEG 14KT 3756 8451 

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

13
1 follow-up statement
700 
WWUS53 KLMK 122037
SVSLMK

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

KYC079-122046-
/O.CAN.KLMK.SV.W.0041.000000T0000Z-210612T2045Z/
Garrard KY-
437 PM EDT Sat Jun 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GARRARD COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. However, strong storms with gusty winds, small 
hail, and torrential rain will continue to affect the region. When 
thunder roars, go indoors!

LAT...LON 3736 8449 3737 8465 3761 8464 3760 8463
      3760 8462 3756 8458 3750 8448 3750 8447
TIME...MOT...LOC 2036Z 022DEG 19KT 3746 8458 

$$

KYC137-122045-
/O.CON.KLMK.SV.W.0041.000000T0000Z-210612T2045Z/
Lincoln KY-
437 PM EDT Sat Jun 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR NORTHEASTERN LINCOLN COUNTY...

At 436 PM EDT, a severe thunderstorm was located near Stanford,
moving southwest at 20 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
northeastern Lincoln County, including the following locations...
Crab Orchard, Halls Gap, Walnut Flat, Maywood, Ottenheim, Gilbert,
Turkeytown, Broughtentown, Preachersville, and Logantown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3736 8449 3737 8465 3761 8464 3760 8463
      3760 8462 3756 8458 3750 8448 3750 8447
TIME...MOT...LOC 2036Z 022DEG 19KT 3746 8458 

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

13

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:13 PM EDTSevere Thunderstorm WarningLMKHart47 min
Jun 11, 8:51 PM EDTSpecial Weather StatementLMKAdair54 min
Jun 11, 8:52 PM EDTSpecial Weather StatementLMKHardin53 min
Jun 11, 9:07 PM EDTSevere Thunderstorm WarningLMKGrayson23 min
Jun 11, 9:17 PM EDTSpecial Weather StatementLMKClinton, Cumberland58 min
Jun 11, 9:32 PM EDTSevere Thunderstorm WarningLMKEdmonson, Grayson28 min
Jun 11, 9:55 PM EDTSevere Thunderstorm WarningLMKEdmonson, Warren35 min
Jun 11, 10:30 PM EDTSpecial Weather StatementLMKAllen, Warren60 min
Jun 12, 2:09 PM EDTSpecial Weather StatementLMKNicholas36 min
Jun 12, 3:16 PM EDTSpecial Weather StatementLMKMadison29 min
Jun 12, 3:50 PM EDTAreal Flood AdvisoryLMKClark, Madison3 hr
Jun 12, 3:56 PM EDTSpecial Weather StatementLMKFayette, Garrard, Jessamine, Lincoln, Madison34 min
Jun 12, 4:14 PM EDTSpecial Weather StatementLMKScott46 min
Jun 12, 4:31 PM EDTSpecial Weather StatementLMKFayette, Franklin, Garrard, Jessamine, Scott, Woodford44 min
Jun 12, 4:44 PM EDTSevere Thunderstorm WarningLMKCasey, Lincoln31 min
Jun 12, 5:11 PM EDTSpecial Weather StatementLMKMercer34 min
Jun 12, 5:15 PM EDTAreal Flood AdvisoryLMKGarrard, Lincoln, Madison3 hr
Jun 12, 5:19 PM EDTSevere Thunderstorm WarningLMKGarrard, Jessamine, Mercer, Woodford26 min
Jun 12, 5:43 PM EDTSevere Thunderstorm WarningLMKBoyle, Mercer32 min
Jun 12, 6:10 PM EDTSevere Thunderstorm WarningLMKBoyle, Casey, Marion23 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.