Alert archive / Kentucky / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 307, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Aug 25, 2023, 7:50 PM EDT for Bullitt County, Nelson County, Spencer County, Kentucky. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2023, 7:50 PM EDT (23:50 UTC)
- Expired
- Aug 25, 2023, 8:15 PM EDT
- In force
- 25 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bullitt County, KY, Nelson County, KY, Spencer County, KY
The radar
The Louisville radar (KLVX), 39 km from the middle of the area, began a volume at 23:50 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 nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.8 hours before the alert went out and 222 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.
- Mixed-layer CAPE
- 3167 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 11.3
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 7:35 PM EDT, 15 minutes earlier.
Area forecast discussion, Aug 25, 7:35 PM EDT, 15 minutes before
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Hazardous Weather Outlook National Weather Service Louisville KY 334 PM EDT Fri Aug 25 2023 KYZ042-043-049-056-057-066-067-078-082-261945- Bourbon-Nicholas-Clark KY-Garrard-Madison-Casey-Lincoln-Russell- Clinton- 334 PM EDT Fri Aug 25 2023 /234 PM CDT Fri Aug 25 2023/ ...HEAT ADVISORY IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... This Hazardous Weather Outlook is for east central Kentucky and south central Kentucky. .DAY ONE...This afternoon and tonight. The combination of hot temperatures and high dewpoints will result in dangerous heat indices for much of the region. For more information regarding this hazard, please refer to our latest heat products in effect. Additionally, isolated storms may develop this evening. A few of them could be strong to severe, with gusty winds being the main threat. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening. GENERAL STORM MOTION OF THE DAY: Storms this evening will move toward the southeast around 15 to 20 mph. Any users of this storm motion must be aware that thunderstorm activity can be erratic and constantly evolving. Please use this with caution and be prepared for changing conditions. && More information, along with other weather, hydrological and climate information can be found, at weather.gov/louisville. INZ076>079-083-084-089>092-KYZ023>041-045>048-053>055-061>065- 070>077-081-261945- Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry- Harrison IN-Floyd-Clark IN-Hancock-Breckinridge-Meade-Ohio-Grayson- Hardin-Bullitt-Jefferson KY-Oldham-Trimble-Henry-Shelby-Franklin- Scott KY-Harrison KY-Spencer-Anderson-Woodford-Fayette-Nelson- Washington KY-Mercer-Jessamine-Larue-Marion-Boyle-Butler-Edmonson- Hart-Green-Taylor-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe- Adair-Cumberland- 334 PM EDT Fri Aug 25 2023 /234 PM CDT Fri Aug 25 2023/ ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... This Hazardous Weather Outlook is for Indiana, south central Indiana, east central Kentucky, north central Kentucky, northwest Kentucky and south central Kentucky. .DAY ONE...This afternoon and tonight. The combination of hot temperatures and high dewpoints will result in dangerous heat indices for much of the region. For more information regarding this hazard, please refer to our latest heat products in effect. Additionally, isolated storms may develop this evening. A few of them could be strong to severe, with gusty winds being the main threat. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this evening. GENERAL STORM MOTION OF THE DAY: Storms this evening will move toward the southeast around 15 to 20 mph. Any users of this storm motion must be aware that thunderstorm activity can be erratic and constantly evolving. Please use this with caution and be prepared for changing conditions. && More information, along with other weather, hydrological and climate information can be found, at weather.gov/louisville. 13
In the hours before
Special weather statement, Aug 25, 6:39 PM EDT, 1 hour 11 minutes before
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Preliminary Local Storm Report
National Weather Service Louisville KY
652 PM EDT Fri Aug 25 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0625 PM Tstm Wnd Dmg 1 E Lexington 38.05N 84.49W
08/25/2023 Fayette KY Broadcast Media
Multiple reports of power lines down in
Lexington.
&&
CSGLocal storm report, Aug 25, 7:07 PM EDT, 43 minutes before
Preliminary Local Storm Report
National Weather Service Louisville KY
707 PM EDT Fri Aug 25 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0605 PM Tstm Wnd Dmg Georgetown 38.21N 84.55W
08/25/2023 Scott KY Broadcast Media
Multiple reports of trees down across
Georgetown and Scott County. Power outages
also reported across the county. Time
estimated from radar.
&&
CSGSpecial weather statement, Aug 25, 7:10 PM EDT, 40 minutes before
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Preliminary Local Storm Report
National Weather Service Louisville KY
716 PM EDT Fri Aug 25 2023
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0640 PM Tstm Wnd Gst 3 N Mt. Eden 38.09N 85.14W
08/25/2023 M83 MPH Shelby KY Mesonet
KY Mesonet site WADD measured 83 mph wind
gust.
&&
CSGSpecial weather statement, Aug 25, 7:33 PM EDT, 17 minutes before
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</html>The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 3:26 PM EDT | Special Weather Statement | LMK | Nicholas | 34 min |
| Aug 25, 4:45 PM EDT | Special Weather Statement | LMK | Nicholas | 45 min |
| Aug 25, 5:00 PM EDT | Severe Thunderstorm Warning | LMK | Nicholas | 15 min |
| Aug 25, 5:14 PM EDT | Special Weather Statement | LMK | Scott | 31 min |
| Aug 25, 5:25 PM EDT | Special Weather Statement | LMK | Harrison | 35 min |
| Aug 25, 5:35 PM EDT | Severe Thunderstorm Warning | LMK | Bourbon, Harrison, Nicholas | 25 min |
| Aug 25, 5:41 PM EDT | Severe Thunderstorm Warning | LMK | Bourbon, Fayette, Franklin, Scott, Woodford | 34 min |
| Aug 25, 5:54 PM EDT | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Fayette, Jessamine, Nicholas | 36 min |
| Aug 25, 6:08 PM EDT | Special Weather Statement | LMK | Henry, Shelby, Trimble | 37 min |
| Aug 25, 6:16 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Franklin, Henry, Scott, Shelby, Woodford | 29 min |
| Aug 25, 6:23 PM EDT | Special Weather Statement | LMK | Clark, Jessamine, Madison | 37 min |
| Aug 25, 6:34 PM EDT | Special Weather Statement | LMK | Jefferson | 26 min |
| Aug 25, 6:39 PM EDT | Special Weather Statement | LMK | Anderson, Fayette, Franklin, Oldham, Scott, Shelby and 2 more | 36 min |
| Aug 25, 6:44 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Fayette, Woodford | 31 min |
| Aug 25, 6:56 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Franklin, Mercer, Shelby, Spencer, Washington | 34 min |
| Aug 25, 7:10 PM EDT | Special Weather Statement | LMK | Anderson, Boyle, Garrard, Jefferson, Jessamine, Lincoln and 6 more | 35 min |
| Aug 25, 7:13 PM EDT | Severe Thunderstorm Warning | LMK | Anderson, Mercer, Nelson, Spencer, Washington | 32 min |
| Aug 25, 7:39 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson, Shelby, Spencer | 36 min |
| Aug 25, 5:27 PM EDT | Special Weather Statement | LMK | Jefferson | 48 min |
| Aug 25, 6:26 PM EDT | Special Weather Statement | LMK | Dubois | 34 min |
| Aug 25, 7:33 PM EDT | Special Weather Statement | LMK | Floyd | 27 min |
| Aug 25, 7:59 PM EDT | Special Weather Statement | LMK | Floyd | 31 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.