Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

June 21, 2021Breckinridge County, Kentucky

NWS Louisville, KY issued this special weather statement at Jun 21, 2021, 10:21 AM CDT for Breckinridge County, Kentucky. It was in force for 24 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 21, 2021, 10:21 AM CDT (15:21 UTC)
Expired
Jun 21, 2021, 10:45 AM CDT
In force
24 min
Issued by
NWS Louisville, KY

County Breckinridge County, KY

The radar

The Louisville radar (KLVX), 22 km from the middle of the area, began a volume at 15:21 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, 3.4 hours before the alert went out and 192 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 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1530 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 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.193958Sfc1 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
1530 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
919 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
1.3
Supercell composite
9.6

Open this sounding in Storm Lab

The text

As transmitted.

602 
WWUS83 KLMK 211521
SPSLMK

Special Weather Statement
National Weather Service Louisville KY
1121 AM EDT Mon Jun 21 2021

KYZ024-025-028-029-211545-
Bullitt-Meade-Hardin-Breckinridge-
1121 AM EDT Mon Jun 21 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MEADE...CENTRAL
HARDIN...CENTRAL BRECKINRIDGE AND SOUTHWESTERN BULLITT COUNTIES...

At 1120 AM EDT/1020 AM CDT/, a strong thunderstorm was located over
Hardinsburg, moving east at 35 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Hardinsburg, Radcliff, Vine Grove, Lebanon Junction, Garfield, Long
View, Big Spring, Tar Fork, Kirk and Four Corners.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 3790 8585 3782 8574 3779 8574 3778 8573
      3773 8622 3771 8662 3778 8667
TIME...MOT...LOC 1520Z 265DEG 68KT 3777 8645 

$$
JDG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 10:42 AM CDTSpecial Weather StatementLMKOhio48 min
Jun 21, 10:48 AM CDTSpecial Weather StatementLMKBreckinridge42 min
Jun 21, 11:06 AM CDTSpecial Weather StatementLMKClark24 min
Jun 21, 11:21 AM CDTSpecial Weather StatementLMKSpencer39 min
Jun 21, 11:26 AM CDTSpecial Weather StatementLMKHardin49 min
Jun 21, 11:34 AM CDTSpecial Weather StatementLMKGrayson41 min
Jun 21, 11:41 AM CDTSevere Thunderstorm WarningLMKGrayson, Hardin, Hart34 min
Jun 21, 11:54 AM CDTSpecial Weather StatementLMKNelson, Spencer51 min
Jun 21, 12:00 PM CDTSevere Thunderstorm WarningLMKAnderson, Nelson, Washington45 min
Jun 21, 12:09 PM CDTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Grayson, Hardin, Meade, Nelson4 hr
Jun 21, 12:19 PM CDTSpecial Weather StatementLMKAnderson, Fayette, Woodford41 min
Jun 21, 12:27 PM CDTSpecial Weather StatementLMKClark33 min
Jun 21, 12:35 PM CDTSpecial Weather StatementLMKHardin55 min
Jun 21, 12:42 PM CDTSpecial Weather StatementLMKWashington48 min
Jun 21, 12:48 PM CDTSevere Thunderstorm WarningLMKMarion, Nelson, Washington27 min
Jun 21, 12:55 PM CDTSevere Thunderstorm WarningLMKClark, Fayette, Jessamine25 min
Jun 21, 1:09 PM CDTSpecial Weather StatementLMKMadison36 min
Jun 21, 1:11 PM CDTSpecial Weather StatementLMKOhio34 min
Jun 21, 1:13 PM CDTSpecial Weather StatementLMKBoyle32 min
Jun 21, 1:19 PM CDTSpecial Weather StatementLMKGrayson26 min
Jun 21, 1:28 PM CDTSevere Thunderstorm WarningLMKClark, Madison15 min
Jun 21, 1:30 PM CDTSpecial Weather StatementLMKLincoln30 min
Jun 21, 1:33 PM CDTSpecial Weather StatementLMKLarue27 min
Jun 21, 1:38 PM CDTAreal Flood AdvisoryLMKButler, Grayson, Ohio3 hr
Jun 21, 1:41 PM CDTSevere Thunderstorm WarningLMKGarrard, Lincoln34 min
Jun 21, 1:49 PM CDTSpecial Weather StatementLMKMadison41 min
Jun 21, 1:58 PM CDTSevere Thunderstorm WarningLMKMadison32 min
Jun 21, 2:13 PM CDTAreal Flood AdvisoryLMKGreen, Hart, Larue, Marion, Nelson, Taylor3 hr
Jun 21, 2:20 PM CDTSpecial Weather StatementLMKEdmonson25 min
Jun 21, 2:25 PM CDTSpecial Weather StatementLMKBoyle35 min
Jun 21, 2:33 PM CDTFlash Flood WarningLMKBoyle, Casey, Marion2 hr
Jun 21, 2:36 PM CDTSpecial Weather StatementLMKMetcalfe24 min
Jun 21, 2:38 PM CDTSpecial Weather StatementLMKClinton22 min
Jun 21, 2:40 PM CDTAreal Flood AdvisoryLMKEdmonson, Hart, Warren3 hr
Jun 21, 3:57 PM CDTSpecial Weather StatementLMKClinton18 min
Jun 21, 3:59 PM CDTSpecial Weather StatementLMKFayette31 min

Nearby

Special Weather Statements in Kentucky, 2021Every special weather statement 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.