Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 11, NWS Louisville, KY

March 25, 2021Hardin County, Larue County, Nelson County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 25, 2021, 6:51 PM EDT for Hardin County, Larue County, Nelson 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
Mar 25, 2021, 6:51 PM EDT (22:51 UTC)
Expired
Mar 25, 2021, 7:15 PM EDT
In force
24 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.25 in
Wind
70.0 mph

Counties Hardin County, KY, Larue County, KY, Nelson County, KY

The radar

The Louisville radar (KLVX), 38 km from the middle of the area, began a volume at 22:53 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 25, 4:48 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.9 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.1939587897117Sfc1 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
60 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
753 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

087 
WUUS53 KLMK 252251
SVRLMK
KYC093-123-179-252315-
/O.NEW.KLMK.SV.W.0011.210325T2251Z-210325T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
651 PM EDT Thu Mar 25 2021

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Southwestern Nelson County in central Kentucky...
  Larue County in central Kentucky...
  Southeastern Hardin County in central Kentucky...

* Until 715 PM EDT.

* At 651 PM EDT, a severe thunderstorm was located 8 miles north of
  Munfordville, moving northeast at 75 mph.

  HAZARD...70 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Elizabethtown, Hodgenville, New Haven, Upton, Sonora, Lyons,
  Boundary Oak, Howardstown, Roanoke and Balltown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight EDT for central
Kentucky.

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

&&

LAT...LON 3745 8597 3784 8579 3783 8576 3781 8574
      3781 8569 3774 8541 3742 8573
TIME...MOT...LOC 2251Z 209DEG 64KT 3740 8587 

HAIL...1.25IN
WIND...70MPH
 
$$

CG
1 follow-up statement
069 
WWUS53 KLMK 252308
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
708 PM EDT Thu Mar 25 2021

KYC093-123-179-252315-
/O.CON.KLMK.SV.W.0011.000000T0000Z-210325T2315Z/
Nelson KY-Larue KY-Hardin KY-
708 PM EDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHWESTERN NELSON...NORTH CENTRAL LARUE AND EAST CENTRAL HARDIN
COUNTIES...

At 708 PM EDT, a severe thunderstorm was located 7 miles northeast of
Hodgenville, moving northeast at 75 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
New Haven, Lyons, Gethsemane, Athertonville, Nelsonville, Blue Gap,
Culvertown, Roanoke, Balltown and Younger Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until midnight EDT for central
Kentucky.

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

&&

LAT...LON 3757 8561 3763 8583 3781 8574 3781 8569
      3775 8544
TIME...MOT...LOC 2308Z 209DEG 64KT 3767 8568 

HAIL...1.00IN
WIND...60MPH
 
$$

CG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 3:55 AM EDTWind AdvisoryLMKAdair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more25 hr
Mar 25, 5:59 PM EDTSevere Thunderstorm WarningLMKAllen, Barren, Simpson, Warren46 min
Mar 25, 6:24 PM EDTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart, Warren36 min
Mar 25, 7:13 PM EDTSpecial Weather StatementLMKSimpson, Warren32 min
Mar 25, 7:14 PM EDTSevere Thunderstorm WarningLMKBullitt, Hardin, Larue, Nelson, Spencer31 min
Mar 25, 7:20 PM EDTSpecial Weather StatementLMKButler25 min
Mar 25, 7:36 PM EDTSpecial Weather StatementLMKSimpson24 min
Mar 25, 7:38 PM EDTSevere Thunderstorm WarningLMKHenry, Oldham, Shelby37 min
Mar 25, 7:40 PM EDTSevere Thunderstorm WarningLMKButler, Logan, Simpson, Warren35 min
Mar 25, 7:57 PM EDTSpecial Weather StatementLMKHardin33 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; radar from the NEXRAD Level II archive.