Alert archive / Kentucky / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Louisville, KY

March 25, 20214 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Mar 25, 2021, 4:59 PM CDT for 4 counties in Kentucky. It was in force for 46 min. 6 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, 4:59 PM CDT (21:59 UTC)
Expired
Mar 25, 2021, 5:45 PM CDT
In force
46 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Allen County, KY, Barren County, KY, Simpson County, KY, Warren County, KY

The radar

The Nashville radar (KOHX), 73 km from the middle of the area, began a volume at 22:03 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, 5:08 PM CDTTSTM WND DMG2 Ene Rapids, KYREPORT OF MULTIPLE TREES DOWN IN THE AREA OF LEO BINION RD. AND PLEASANT HILL RD.
Mar 25, 5:09 PM CDTTSTM WND DMG2 Ne Mt. Arieal, KYVIA PHOTO, WILLOW TREE UPROOTED AND CRUSHES SHED ALONG WITH BRADFORD PEAR UPROOTED ON PROPERTY.
Mar 25, 5:11 PM CDTTSTM WND DMG1 E Mt. Arieal, KYPHOTO SHOWS BROKEN CEDAR TRUNK ON THE WEST SIDE OF KY 585 WITH THE TOPS ON THE EAST SIDE OF THE ROAD, JUST NORTH OF THE KY1332 INTERSECTION.
Mar 25, 5:13 PM CDTTSTM WND DMG1 Se Mt. Arieal, KYPHOTOS SHOW DAMAGE TO A METAL ROOF ON A BARN AND LIGHTLY CONSTRUCTED TUNNEL GREENHOUSES FLATTENED AND DESTROYED.
Mar 25, 5:13 PM CDTTSTM WND DMG2 N Halfway, KYREPORTS OF TREES DOWN AS WELL AS A POWER POLE. DAMAGE TO ROOF ON THE RESIDENCE PORCH AND MID-SECTION OF THE HOME. POWER METER FOUND OFF HOME IN THE YARD AND DAMAGED.
Mar 25, 5:14 PM CDTTSTM WND DMG3 Se Claypool, KYREPORT WITH PHOTO OF A TREE DOWN ON A HOME IN NORTHWESTERN ALLEN COUNTY.

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, 3:48 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 10.0 hours before the alert went out and 87 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.

929 
WUUS53 KLMK 252159
SVRLMK
KYC003-009-213-227-252245-
/O.NEW.KLMK.SV.W.0009.210325T2159Z-210325T2245Z/

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

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Southeastern Simpson County in south central Kentucky...
  Allen County in south central Kentucky...
  Eastern Warren County in south central Kentucky...
  West central Barren County in south central Kentucky...

* Until 545 PM CDT.

* At 458 PM CDT, a severe thunderstorm was located near Portland,
  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...
  Bowling Green, Glasgow, Scottsville, Plum Springs, Mount Victor,
  Smiths Grove, Oakland, Red Cross, Hardcastle and Girkin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for south central
Kentucky.

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

&&

LAT...LON 3665 8658 3712 8634 3708 8628 3710 8622
      3708 8619 3706 8609 3700 8595 3664 8626
      3665 8651 3663 8656
TIME...MOT...LOC 2158Z 210DEG 64KT 3659 8646 

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

CG
2 follow-up statements
896 
WWUS53 KLMK 252218
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
518 PM CDT Thu Mar 25 2021

KYC213-252228-
/O.CAN.KLMK.SV.W.0009.000000T0000Z-210325T2245Z/
Simpson KY-
518 PM CDT Thu Mar 25 2021

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

A Tornado Watch remains in effect until 1100 PM CDT for south central
Kentucky.

LAT...LON 3678 8619 3684 8639 3709 8624 3710 8622
      3708 8619 3706 8609 3702 8599
TIME...MOT...LOC 2218Z 210DEG 64KT 3690 8624 

$$

KYC003-009-227-252245-
/O.CON.KLMK.SV.W.0009.000000T0000Z-210325T2245Z/
Allen KY-Warren KY-Barren KY-
518 PM CDT Thu Mar 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHWESTERN ALLEN...SOUTHEASTERN WARREN AND WEST CENTRAL BARREN
COUNTIES...

At 518 PM CDT, a severe thunderstorm was located 10 miles southeast
of Mount Victor, moving northeast at 75 mph.

HAZARD...Two inch hail and 60 mph wind gusts.

SOURCE...Emergency management.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Smiths Grove, Oakland, Red Cross, Hardcastle, Allen Springs,
Greenhill, Rocky Hill, Settle, Yesse and Raley Ford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM CDT for south central
Kentucky.

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

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

&&

LAT...LON 3678 8619 3684 8639 3709 8624 3710 8622
      3708 8619 3706 8609 3702 8599
TIME...MOT...LOC 2218Z 210DEG 64KT 3690 8624 

HAIL...2.00IN
WIND...60MPH
 
$$

CG
296 
WWUS53 KLMK 252239
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
539 PM CDT Thu Mar 25 2021

KYC003-009-227-252249-
/O.EXP.KLMK.SV.W.0009.000000T0000Z-210325T2245Z/
Allen KY-Warren KY-Barren KY-
539 PM CDT Thu Mar 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ALLEN...
SOUTHEASTERN WARREN AND WEST CENTRAL BARREN COUNTIES WILL EXPIRE AT
545 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. However gusty 
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for south central
Kentucky.

LAT...LON 3678 8619 3684 8639 3709 8624 3710 8622
      3708 8619 3706 8609 3702 8599
TIME...MOT...LOC 2239Z 210DEG 64KT 3722 8601 

$$

JML

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 2:55 AM CDTWind AdvisoryLMKAdair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more25 hr
Mar 25, 5:24 PM CDTSevere Thunderstorm WarningLMKBarren, Edmonson, Hart, Warren36 min
Mar 25, 5:51 PM CDTSevere Thunderstorm WarningLMKHardin, Larue, Nelson24 min
Mar 25, 6:13 PM CDTSpecial Weather StatementLMKSimpson, Warren32 min
Mar 25, 6:14 PM CDTSevere Thunderstorm WarningLMKBullitt, Hardin, Larue, Nelson, Spencer31 min
Mar 25, 6:20 PM CDTSpecial Weather StatementLMKButler25 min
Mar 25, 6:36 PM CDTSpecial Weather StatementLMKSimpson24 min
Mar 25, 6:38 PM CDTSevere Thunderstorm WarningLMKHenry, Oldham, Shelby37 min
Mar 25, 6:40 PM CDTSevere Thunderstorm WarningLMKButler, Logan, Simpson, Warren35 min
Mar 25, 6:57 PM CDTSpecial 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.