Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 69, NWS Louisville, KY

July 6, 2021Breckinridge County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 6, 2021, 1:20 PM CDT for Breckinridge County, Kentucky. It was in force for 25 min. 1 report 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
Jul 6, 2021, 1:20 PM CDT (18:20 UTC)
Expired
Jul 6, 2021, 1:45 PM CDT
In force
25 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Breckinridge County, KY

The radar

The Louisville radar (KLVX), 40 km from the middle of the area, began a volume at 18:23 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
Jul 6, 1:25 PM CDTTSTM WND DMG1 Ne Garfield, KYFALLEN TREE DOWN OVER ROADWAY, NOW HAS BEEN CLEARED ON HIGHWAY 60 NORTHEAST OF GARFIELD.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 6.3 hours before the alert went out and 189 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 2021-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 117 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 2021-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 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
117 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1444 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
-32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

221 
WUUS53 KLMK 061820
SVRLMK
KYC027-061845-
/O.NEW.KLMK.SV.W.0069.210706T1820Z-210706T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
120 PM CDT Tue Jul 6 2021

The National Weather Service in Louisville has issued a

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

* Until 145 PM CDT.

* At 120 PM CDT, a severe thunderstorm was located 10 miles east of
  Hardinsburg, moving southwest at 15 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Hardinsburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3794 8637 3781 8618 3760 8631 3780 8654
TIME...MOT...LOC 1820Z 044DEG 14KT 3779 8627 

HAIL...0.88IN
WIND...60MPH
 
$$

JML

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 11:32 AM CDTAreal Flood AdvisoryLMKFayette3 hr
Jul 6, 12:40 PM CDTSpecial Weather StatementLMKHardin20 min
Jul 6, 1:05 PM CDTSpecial Weather StatementLMKHardin25 min
Jul 6, 1:17 PM CDTSpecial Weather StatementLMKNelson28 min
Jul 6, 1:44 PM CDTSevere Thunderstorm WarningLMKBreckinridge31 min
Jul 6, 1:45 PM CDTSpecial Weather StatementLMKBullitt, Nelson30 min
Jul 6, 1:51 PM CDTSpecial Weather StatementLMKMercer24 min
Jul 6, 2:04 PM CDTSevere Thunderstorm WarningLMKAnderson, Mercer, Woodford26 min
Jul 6, 2:25 PM CDTSevere Thunderstorm WarningLMKAnderson, Mercer, Woodford35 min
Jul 6, 2:56 PM CDTSpecial Weather StatementLMKJefferson34 min
Jul 6, 2:56 PM CDTSpecial Weather StatementLMKWoodford34 min
Jul 6, 3:21 PM CDTSpecial Weather StatementLMKJefferson24 min
Jul 6, 3:25 PM CDTSpecial Weather StatementLMKScott20 min
Jul 6, 3:26 PM CDTSpecial Weather StatementLMKNicholas19 min
Jul 6, 3:34 PM CDTSevere Thunderstorm WarningLMKScott26 min
Jul 6, 3:42 PM CDTSpecial Weather StatementLMKShelby18 min
Jul 6, 3:46 PM CDTSpecial Weather StatementLMKWashington14 min
Jul 6, 3:49 PM CDTAreal Flood AdvisoryLMKScott116 min
Jul 6, 3:53 PM CDTSpecial Weather StatementLMKNicholas22 min
Jul 6, 3:57 PM CDTSpecial Weather StatementLMKShelby18 min
Jul 6, 4:00 PM CDTSpecial Weather StatementLMKScott30 min
Jul 6, 4:03 PM CDTSevere Thunderstorm WarningLMKBourbon, Harrison, Nicholas27 min
Jul 6, 4:16 PM CDTSpecial Weather StatementLMKShelby14 min
Jul 6, 4:19 PM CDTAreal Flood AdvisoryLMKBourbon, Nicholas90 min
Jul 6, 4:25 PM CDTSpecial Weather StatementLMKOldham20 min
Jul 6, 4:29 PM CDTSpecial Weather StatementLMKHenry16 min
Jul 6, 4:44 PM CDTSpecial Weather StatementLMKTrimble31 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.