Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Louisville, KY

March 25, 2021Henry County, Oldham County, Shelby County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 25, 2021, 7:38 PM EDT for Henry County, Oldham County, Shelby County, Kentucky. It was in force for 37 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
Mar 25, 2021, 7:38 PM EDT (23:38 UTC)
Expired
Mar 25, 2021, 8:15 PM EDT
In force
37 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Henry County, KY, Oldham County, KY, Shelby County, KY

The radar

The Louisville radar (KLVX), 77 km from the middle of the area, began a volume at 23:42 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
Mar 25, 7:45 PM EDTHAIL 11 Ene Simpsonville, KYPHOTO VIA SOCIAL MEDIA OF QUARTER SIZE HAIL NEAR SIMPSONVILLE.
Mar 25, 7:50 PM EDTHAIL 1.751 Sse Simpsonville, KYGOLF BALL SIZED HAIL REPORTED AT 750 PM EDT AT CULVERS NEAR THE OUTLET SHOPPES OF THE BLUEGRASS ALONG I-64.

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

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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.6 hours before the alert went out and 170 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 2021-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1603 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

576 
WUUS53 KLMK 252338
SVRLMK
KYC103-185-211-260015-
/O.NEW.KLMK.SV.W.0013.210325T2338Z-210326T0015Z/

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

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Oldham County in central Kentucky...
  Western Shelby County in central Kentucky...
  Southwestern Henry County in central Kentucky...

* Until 815 PM EDT.

* At 737 PM EDT, a severe thunderstorm was located near Taylorsville,
  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...
  Shelbyville, New Castle, Pendleton, Eminence, Simpsonville,
  Pleasureville, Campbellsburg, Smithfield, L S Park and Chestnut
  Grove.

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 3844 8503 3811 8529 3814 8542 3850 8530
      3850 8528 3854 8522
TIME...MOT...LOC 2337Z 209DEG 64KT 3812 8539 

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

CG
3 follow-up statements
413 
WWUS53 KLMK 252350
SVSLMK

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

KYC185-260000-
/O.CAN.KLMK.SV.W.0013.000000T0000Z-210326T0015Z/
Oldham KY-
750 PM EDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OLDHAM COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3826 8518 3827 8531 3836 8528 3846 8526
      3852 8525 3854 8522 3844 8503 3835 8510
TIME...MOT...LOC 2350Z 209DEG 64KT 3833 8524 

$$

KYC103-211-260015-
/O.CON.KLMK.SV.W.0013.000000T0000Z-210326T0015Z/
Shelby KY-Henry KY-
750 PM EDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR NORTH CENTRAL SHELBY AND SOUTHWESTERN HENRY COUNTIES...

At 750 PM EDT, a severe thunderstorm was located 7 miles north of
Shelbyville, 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 Castle, Eminence, Pleasureville, Campbellsburg, Smithfield,
Chestnut Grove, North Pleasureville, Bethlehem, Franklinton and
Bellview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3826 8518 3827 8531 3836 8528 3846 8526
      3852 8525 3854 8522 3844 8503 3835 8510
TIME...MOT...LOC 2350Z 209DEG 64KT 3833 8524 

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

CG
212 
WWUS53 KLMK 252357
SVSLMK

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

KYC211-260007-
/O.CAN.KLMK.SV.W.0013.000000T0000Z-210326T0015Z/
Shelby KY-
757 PM EDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL SHELBY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3846 8507 3835 8516 3836 8526 3853 8520
TIME...MOT...LOC 2357Z 209DEG 64KT 3844 8516 

$$

KYC103-260015-
/O.CON.KLMK.SV.W.0013.000000T0000Z-210326T0015Z/
Henry KY-
757 PM EDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR SOUTHWESTERN HENRY COUNTY...

At 757 PM EDT, a severe thunderstorm was located over New Castle,
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 Castle, Eminence and Campbellsburg. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3846 8507 3835 8516 3836 8526 3853 8520
TIME...MOT...LOC 2357Z 209DEG 64KT 3844 8516 

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

CG
501 
WWUS53 KLMK 260008
SVSLMK

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

KYC103-260018-
/O.EXP.KLMK.SV.W.0013.000000T0000Z-210326T0015Z/
Henry KY-
808 PM EDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HENRY COUNTY WILL
EXPIRE AT 815 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3846 8507 3835 8516 3836 8526 3853 8520
TIME...MOT...LOC 0008Z 209DEG 64KT 3857 8507 

$$

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, 6:51 PM EDTSevere Thunderstorm WarningLMKHardin, Larue, Nelson24 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, 7:40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.