Alert archive / Kentucky / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 247, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Jul 17, 2023, 10:56 PM EDT for Trimble County, Kentucky; Jefferson County, Indiana. It was in force for 34 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
- Jul 17, 2023, 10:56 PM EDT (02:56 UTC)
- Expired
- Jul 17, 2023, 11:30 PM EDT
- In force
- 34 min
- Issued by
- NWS Louisville, KY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Jefferson County, IN, Trimble County, KY
The radar
The Louisville radar (KLVX), 94 km from the middle of the area, began a volume at 02:55 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 00:00Z, 2.9 hours before the alert went out and 159 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
- 1608 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.1
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 Jul 17, 8:56 PM EDT, 2 hours earlier.
Area forecast discussion, Jul 17, 8:56 PM EDT, 2 hours before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Jul 17, 3:25 PM EDT, 7 hours 31 minutes before
Hazardous Weather Outlook National Weather Service Louisville KY 325 PM EDT Mon Jul 17 2023 INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067- 070>078-081-082-181930- 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-Bourbon- Nicholas-Nelson-Washington KY-Mercer-Jessamine-Clark KY-Larue-Marion- Boyle-Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey- Lincoln-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair- Russell-Cumberland-Clinton- Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper, English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport, Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield, Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford, Milton, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle, Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester, Hodgenville, Lebanon, Danville, Lancaster, Richmond, Morgantown, Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty, Stanford, Russellville, Bowling Green, Franklin, Providence, Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville, and Albany 325 PM EDT Mon Jul 17 2023 /225 PM CDT Mon Jul 17 2023/ This hazardous weather outlook is for portions of south central Indiana and Central Kentucky. .DAY ONE...Tonight. Scattered strong to severe thunderstorms are possible through midnight. Heavy rain and locally damaging wind gusts are the main threats. A few storms over southern Indiana could also produce hail, and lightning will occur with any thunderstorm. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Thunderstorms remain possible each day, especially through Thursday. Some of the storms could be strong to severe with heavy rain, damaging winds, and frequent lightning being the main threats. Should storms end up moving over the same areas repeatedly, localized flooding is possible. Right now the highest threat for widespread heavy rains appears to be Tuesday night into Wednesday morning, mainly along and south of a line extending from Tell City to Elizabethtown to Liberty. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed at times through Thursday. GENERAL STORM MOTION OF THE DAY: Storms this afternoon and evening will move from west to east around 25 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. RAS/CSG
In the hours before
Special weather statement, Jul 17, 10:35 PM EDT, 21 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Jul 17, 10:41 PM EDT, 15 minutes before
Special Weather Statement
National Weather Service Louisville KY
1041 PM EDT Mon Jul 17 2023
INZ079-180315-
Jefferson IN-
1041 PM EDT Mon Jul 17 2023
...A STRONG THUNDERSTORM WILL IMPACT JEFFERSON COUNTY THROUGH 1115 PM
EDT...
At 1040 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles south of Vernon, moving southeast at 35 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Madison, Hanover, Saluda, Smyrna, Kent, Dupont, Wakefield,
Middlefork, Canaan and Volga.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3887 8526 3873 8537 3874 8542 3871 8545
3864 8544 3859 8548 3861 8552 3865 8557
3868 8557 3868 8560 3871 8561 3871 8564
3875 8569 3882 8568 3882 8561 3885 8561
3885 8557 3888 8557 3891 8553 3891 8541
TIME...MOT...LOC 0240Z 306DEG 29KT 3886 8563
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
CJPThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 10:35 PM EDT | Special Weather Statement | LMK | Nicholas | 25 min |
| Jul 17, 11:54 PM EDT | Areal Flood Advisory | LMK | Trimble | 3 hr |
| Jul 18, 12:57 AM EDT | Severe Thunderstorm Warning | LMK | Jefferson, Oldham, Shelby | 18 min |
| Jul 18, 1:20 AM EDT | Special Weather Statement | LMK | Shelby | 25 min |
| Jul 18, 1:52 AM EDT | Severe Thunderstorm Warning | LMK | Jefferson, Oldham, Shelby, Spencer | 25 min |
| Jul 18, 2:15 AM EDT | Severe Thunderstorm Warning | LMK | Shelby | 18 min |
| Jul 18, 2:22 AM EDT | Areal Flood Advisory | LMK | Anderson, Bourbon, Fayette, Franklin, Jefferson, Oldham and 3 more | 3 hr |
| Jul 18, 2:26 AM EDT | Special Weather Statement | LMK | Fayette, Jessamine | 34 min |
| Jul 18, 2:32 AM EDT | Special Weather Statement | LMK | Bullitt | 28 min |
| Jul 18, 2:38 AM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Hardin | 23 min |
| Jul 18, 2:59 AM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Nelson | 31 min |
| Jul 18, 3:02 AM EDT | Special Weather Statement | LMK | Garrard, Madison | 43 min |
| Jul 18, 3:09 AM EDT | Severe Thunderstorm Warning | LMK | Fayette, Jessamine, Woodford | 36 min |
| Jul 18, 3:28 AM EDT | Severe Thunderstorm Warning | LMK | Marion, Nelson, Washington | 32 min |
| Jul 18, 3:32 AM EDT | Areal Flood Advisory | LMK | Anderson, Jessamine, Mercer, Woodford | 2 hr |
| Jul 18, 3:46 AM EDT | Special Weather Statement | LMK | Madison | 29 min |
| Jul 18, 3:54 AM EDT | Severe Thunderstorm Warning | LMK | Boyle, Casey, Lincoln | 36 min |
| Jul 18, 4:13 AM EDT | Special Weather Statement | LMK | Casey | 47 min |
| Jul 18, 4:22 AM EDT | Severe Thunderstorm Warning | LMK | Casey, Lincoln | 38 min |
| Jul 18, 4:26 AM EDT | Special Weather Statement | LMK | Garrard | 34 min |
| Jul 18, 5:01 AM EDT | Special Weather Statement | LMK | Russell | 29 min |
| Jul 18, 10:02 AM EDT | Severe Thunderstorm Warning | LMK | Meade | 43 min |
| Jul 18, 10:44 AM EDT | Severe Thunderstorm Warning | LMK | Meade | 14 min |
| Jul 18, 12:30 PM EDT | Special Weather Statement | LMK | Hart | 30 min |
| Jul 18, 12:31 PM EDT | Flood Watch | LMK | Allen, Butler, Edmonson, Grayson, Logan, Ohio and 2 more | 21 hr |
| Jul 18, 12:57 PM EDT | Special Weather Statement | LMK | Meade | 18 min |
| Jul 18, 1:09 PM EDT | Special Weather Statement | LMK | Metcalfe | 36 min |
| Jul 18, 1:14 PM EDT | Special Weather Statement | LMK | Hardin | 16 min |
| Jul 18, 1:20 PM EDT | Severe Thunderstorm Warning | LMK | Barren, Green, Hart, Metcalfe | 40 min |
| Jul 18, 1:32 PM EDT | Special Weather Statement | LMK | Bullitt | 28 min |
| Jul 18, 1:54 PM EDT | Special Weather Statement | LMK | Metcalfe | 21 min |
| Jul 18, 1:57 PM EDT | Special Weather Statement | LMK | Hardin | 18 min |
| Jul 18, 2:02 PM EDT | Special Weather Statement | LMK | Shelby | 28 min |
| Jul 18, 2:03 PM EDT | Special Weather Statement | LMK | Anderson | 27 min |
| Jul 18, 2:17 PM EDT | Special Weather Statement | LMK | Casey | 13 min |
| Jul 18, 2:28 PM EDT | Special Weather Statement | LMK | Mercer | 32 min |
| Jul 18, 2:30 PM EDT | Special Weather Statement | LMK | Shelby | 30 min |
| Jul 18, 2:33 PM EDT | Severe Thunderstorm Warning | LMK | Adair, Casey, Lincoln | 42 min |
| Jul 18, 2:43 PM EDT | Severe Thunderstorm Warning | LMK | Garrard, Jessamine, Mercer, Woodford | 32 min |
| Jul 18, 2:54 PM EDT | Special Weather Statement | LMK | Fayette, Woodford | 36 min |
| Jul 18, 3:05 PM EDT | Special Weather Statement | LMK | Lincoln | 25 min |
| Jul 18, 3:10 PM EDT | Special Weather Statement | LMK | Garrard | 35 min |
| Jul 18, 3:11 PM EDT | Special Weather Statement | LMK | Clark, Fayette | 34 min |
| Jul 18, 3:26 PM EDT | Special Weather Statement | LMK | Bourbon | 34 min |
| Jul 18, 3:35 PM EDT | Severe Thunderstorm Warning | LMK | Butler, Logan | 55 min |
| Jul 18, 3:37 PM EDT | Severe Thunderstorm Warning | LMK | Bourbon, Clark, Madison, Nicholas | 38 min |
| Jul 18, 3:53 PM EDT | Special Weather Statement | LMK | Larue | 37 min |
| Jul 18, 4:13 PM EDT | Severe Thunderstorm Warning | LMK | Larue, Marion, Taylor | 17 min |
| Jul 18, 4:15 PM EDT | Severe Thunderstorm Warning | LMK | Allen, Butler, Edmonson, Logan, Simpson, Warren | 60 min |
| Jul 18, 5:02 PM EDT | Special Weather Statement | LMK | Breckinridge, Hancock | 28 min |
| Jul 18, 5:03 PM EDT | Special Weather Statement | LMK | Allen, Barren, Edmonson, Hart | 42 min |
| Jul 18, 5:27 PM EDT | Special Weather Statement | LMK | Washington | 33 min |
| Jul 18, 5:36 PM EDT | Special Weather Statement | LMK | Breckinridge | 24 min |
| Jul 18, 5:37 PM EDT | Areal Flood Advisory | LMK | Breckinridge, Hancock, Ohio | 3 hr |
| Jul 18, 5:42 PM EDT | Severe Thunderstorm Warning | LMK | Marion, Washington | 18 min |
| Jul 18, 5:44 PM EDT | Special Weather Statement | LMK | Adair, Cumberland, Green, Hart, Larue, Metcalfe and 2 more | 46 min |
| Jul 18, 5:47 PM EDT | Special Weather Statement | LMK | Meade | 28 min |
| Jul 18, 6:09 PM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 36 min |
| Jul 18, 6:13 PM EDT | Special Weather Statement | LMK | Hardin | 32 min |
| Jul 18, 6:28 PM EDT | Special Weather Statement | LMK | Adair, Casey, Clinton, Cumberland, Larue, Marion and 3 more | 62 min |
| Jul 18, 6:31 PM EDT | Areal Flood Advisory | LMK | Marion, Nelson, Washington | 3 hr |
| Jul 18, 6:39 PM EDT | Special Weather Statement | LMK | Jefferson | 36 min |
| Jul 18, 6:42 PM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Jefferson | 18 min |
| Jul 18, 7:01 PM EDT | Flash Flood Warning | LMK | Marion, Nelson, Washington | 3 hr |
| Jul 18, 7:06 PM EDT | Areal Flood Advisory | LMK | Jefferson, Oldham, Shelby | 3 hr |
| Jul 18, 7:10 PM EDT | Special Weather Statement | LMK | Boyle, Garrard | 35 min |
| Jul 18, 7:14 PM EDT | Flash Flood Warning | LMK | Jefferson, Oldham, Shelby | 3 hr |
| Jul 17, 10:41 PM EDT | Special Weather Statement | LMK | Jefferson | 34 min |
| Jul 18, 12:21 AM EDT | Severe Thunderstorm Warning | LMK | Washington | 24 min |
| Jul 18, 12:27 AM EDT | Special Weather Statement | LMK | Clark | 33 min |
| Jul 18, 12:45 AM EDT | Special Weather Statement | LMK | Scott | 30 min |
| Jul 18, 1:15 AM EDT | Special Weather Statement | LMK | Clark | 45 min |
| Jul 18, 1:55 AM EDT | Special Weather Statement | LMK | Washington | 35 min |
| Jul 18, 9:16 AM EDT | Special Weather Statement | LMK | Clark | 29 min |
| Jul 18, 9:50 AM EDT | Special Weather Statement | LMK | Crawford | 25 min |
| Jul 18, 10:23 AM EDT | Special Weather Statement | LMK | Harrison | 22 min |
| Jul 18, 10:46 AM EDT | Special Weather Statement | LMK | Floyd | 29 min |
| Jul 18, 5:51 PM EDT | Special Weather Statement | LMK | Floyd | 24 min |
| Jul 18, 6:17 PM EDT | Special Weather Statement | LMK | Harrison | 28 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 2023Severe Thunderstorm Warnings in Indiana, 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.