Alert archive / Kentucky / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 310, NWS Louisville, KY

August 25, 20235 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Aug 25, 2023, 8:38 PM EDT for 5 counties in Kentucky. It was in force for 37 min. 3 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
Aug 25, 2023, 8:38 PM EDT (00:38 UTC)
Expired
Aug 25, 2023, 9:15 PM EDT
In force
37 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.0 in
Wind
70.0 mph

Counties Bullitt County, KY, Jefferson County, KY, Nelson County, KY, Shelby County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 37 km from the middle of the area, began a volume at 00:40 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
Aug 25, 8:45 PM EDTTSTM WND DMGHighview, KYDelayed report. A large 150 year old oak tree was uprooted on the 6700 block of Briscoe Lane. Phelps Tree Service, in the same area, also had tree damage.
Aug 25, 8:53 PM EDTTSTM WND DMG2 Sse Highview, KYDelayed report, two trees down on Cooper Chapel Rd at Beulah Church Rd. Time estimated from radar.
Aug 25, 9:02 PM EDTTSTM WND DMG1 Se Hillview, KYDelayed report of power lines down near North Preston Highway.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.6 hours before the alert went out and 215 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 00:00Z on 2023-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 848 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, Cncnati-Daytn, OH at 00:00Z on 2023-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
848 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
1257 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

067 
WUUS53 KLMK 260038
SVRLMK
KYC029-111-179-211-215-260115-
/O.NEW.KLMK.SV.W.0310.230826T0038Z-230826T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Louisville KY
838 PM EDT Fri Aug 25 2023

The National Weather Service in Louisville has issued a

* Severe Thunderstorm Warning for...
  Spencer County in central Kentucky...
  Southwestern Shelby County in central Kentucky...
  North central Nelson County in central Kentucky...
  Southeastern Jefferson County in central Kentucky...
  Northeastern Bullitt County in central Kentucky...

* Until 915 PM EDT.

* At 838 PM EDT, a severe thunderstorm was located over Highview,
  moving southeast at 20 mph.

  HAZARD...70 mph wind gusts and quarter 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...
  Jeffersontown, Bardstown, Middletown, Douglass Hills, Pioneer
  Village, Hollow Creek, Taylorsville, Hollyvilla, Spring Mill and
  Highview.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

&&

LAT...LON 3809 8575 3825 8550 3803 8517 3780 8549
TIME...MOT...LOC 0038Z 317DEG 19KT 3812 8563 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

EBW
2 follow-up statements
255 
WWUS53 KLMK 260050
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
850 PM EDT Fri Aug 25 2023

KYC211-260059-
/O.CAN.KLMK.SV.W.0310.000000T0000Z-230826T0115Z/
Shelby KY-
850 PM EDT Fri Aug 25 2023

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN 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 3809 8575 3821 8556 3806 8536 3797 8525
      3780 8549
TIME...MOT...LOC 0049Z 317DEG 19KT 3809 8560 

$$

KYC029-111-179-215-260115-
/O.CON.KLMK.SV.W.0310.000000T0000Z-230826T0115Z/
Spencer KY-Nelson KY-Jefferson KY-Bullitt KY-
850 PM EDT Fri Aug 25 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR WESTERN SPENCER...NORTH CENTRAL NELSON...SOUTHEASTERN JEFFERSON
AND NORTHEASTERN BULLITT COUNTIES...

At 849 PM EDT, a severe thunderstorm was located near Highview,
moving southeast at 20 mph.

HAZARD...70 mph wind gusts and quarter 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...
Jeffersontown, Bardstown, Pioneer Village, Hollow Creek,
Taylorsville, Hollyvilla, Spring Mill, Highview, Fern Creek and
Okolona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 3809 8575 3821 8556 3806 8536 3797 8525
      3780 8549
TIME...MOT...LOC 0049Z 317DEG 19KT 3809 8560 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

CSG
956 
WWUS53 KLMK 260113
SVSLMK

Severe Weather Statement
National Weather Service Louisville KY
913 PM EDT Fri Aug 25 2023

KYC029-111-179-215-260123-
/O.EXP.KLMK.SV.W.0310.000000T0000Z-230826T0115Z/
Spencer KY-Nelson KY-Jefferson KY-Bullitt KY-
913 PM EDT Fri Aug 25 2023

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SPENCER...NORTH
CENTRAL NELSON...SOUTHEASTERN JEFFERSON AND NORTHEASTERN BULLITT
COUNTIES WILL EXPIRE AT 915 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Louisville.

LAT...LON 3809 8575 3821 8556 3806 8536 3797 8525
      3780 8549
TIME...MOT...LOC 0113Z 317DEG 19KT 3800 8550 

$$

EBW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 8:08 PM EDTSevere Thunderstorm WarningLMKJefferson37 min
Aug 25, 8:21 PM EDTSevere Thunderstorm WarningLMKBullitt, Jefferson, Nelson, Spencer24 min
Aug 25, 8:56 PM EDTSpecial Weather StatementLMKJefferson19 min
Aug 25, 9:08 PM EDTSpecial Weather StatementLMKLarue, Nelson37 min
Aug 25, 9:13 PM EDTSpecial Weather StatementLMKBullitt, Nelson32 min
Aug 25, 9:17 PM EDTSpecial Weather StatementLMKJefferson28 min
Aug 25, 9:27 PM EDTSpecial Weather StatementLMKHardin18 min
Aug 25, 9:43 PM EDTSpecial Weather StatementLMKHardin, Hart, Larue, Taylor47 min
Aug 25, 10:35 PM EDTSpecial Weather StatementLMKBullitt25 min
Aug 26, 1:47 AM EDTHeat AdvisoryLMKAllen, Barren, Butler, Cumberland, Edmonson, Grayson and 6 more15 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2023Every severe thunderstorm warning in 2023

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.