Alert archive / Kentucky / Flash Flood Warnings in 2026
Flash Flood Warning 47, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at Aug 13, 2026, 8:30 AM EDT for Letcher County, Kentucky. It was in force for 3 hr. 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 13, 2026, 8:30 AM EDT (12:30 UTC)
- Expired
- Aug 13, 2026, 11:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
County Letcher County, KY
The radar
The Jackson,KY radar (KJKL), 66 km from the middle of the area, began a volume at 12:30 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, 0.5 hours before the alert went out and 270 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jackson, KY wrote its last area forecast discussion before this flash flood warning went out at Aug 13, 5:15 AM EDT, 3 hours 15 minutes earlier.
Area forecast discussion, Aug 13, 5:15 AM EDT, 3 hours 15 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>Hazardous weather outlook, Aug 13, 3:45 AM EDT, 4 hours 45 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>The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 8:05 PM EDT | Special Weather Statement | JKL | Rockcastle | 25 min |
| Aug 12, 8:10 PM EDT | Severe Thunderstorm Warning | JKL | Knox, Laurel, McCreary, Pulaski, Whitley | 35 min |
| Aug 12, 8:24 PM EDT | Areal Flood Advisory | JKL | Jackson, Rockcastle | 111 min |
| Aug 12, 8:30 PM EDT | Special Weather Statement | JKL | Clay | 30 min |
| Aug 12, 8:37 PM EDT | Special Weather Statement | JKL | Laurel | 23 min |
| Aug 12, 8:41 PM EDT | Special Weather Statement | JKL | Knox | 34 min |
| Aug 12, 9:01 PM EDT | Special Weather Statement | JKL | Clay | 29 min |
| Aug 12, 9:14 PM EDT | Areal Flood Advisory | JKL | Clay, Jackson, Laurel | 2 hr |
| Aug 12, 9:16 PM EDT | Severe Thunderstorm Warning | JKL | Bell, Clay, Harlan, Knox, Leslie | 29 min |
| Aug 12, 9:25 PM EDT | Areal Flood Advisory | JKL | Clay | 3 min |
| Aug 12, 9:28 PM EDT | Flash Flood Warning | JKL | Clay | 2 hr |
| Aug 12, 9:35 PM EDT | Special Weather Statement | JKL | Bell | 25 min |
| Aug 12, 9:40 PM EDT | Special Weather Statement | JKL | Harlan | 35 min |
| Aug 12, 9:58 PM EDT | Areal Flood Advisory | JKL | Clay, Leslie | 2 hr |
| Aug 13, 3:25 AM EDT | Areal Flood Advisory | JKL | Estill | 5 hr |
| Aug 13, 4:05 AM EDT | Areal Flood Advisory | JKL | Estill | 3 hr |
| Aug 13, 4:45 AM EDT | Areal Flood Advisory | JKL | Breathitt, Lee | 2 hr |
| Aug 13, 5:41 AM EDT | Areal Flood Advisory | JKL | Letcher | 3 hr |
| Aug 13, 7:10 AM EDT | Areal Flood Advisory | JKL | Breathitt, Floyd, Knott, Magoffin | 2 hr |
| Aug 13, 8:35 AM EDT | Areal Flood Advisory | JKL | Floyd, Knott, Letcher, Pike | 3 hr |
| Aug 13, 12:22 PM EDT | Areal Flood Advisory | JKL | Harlan | 68 min |
| Aug 13, 6:09 PM EDT | Special Weather Statement | JKL | Menifee, Powell | 36 min |
| Aug 13, 6:34 PM EDT | Special Weather Statement | JKL | Lee | 26 min |
| Aug 13, 6:45 PM EDT | Special Weather Statement | JKL | Breathitt, Menifee, Powell, Wolfe | 30 min |
| Aug 13, 6:54 PM EDT | Special Weather Statement | JKL | Montgomery | 36 min |
| Aug 13, 6:58 PM EDT | Areal Flood Advisory | JKL | Powell | 51 min |
| Aug 13, 7:01 PM EDT | Special Weather Statement | JKL | Magoffin | 29 min |
| Aug 13, 7:11 PM EDT | Special Weather Statement | JKL | Bath, Breathitt, Menifee, Montgomery, Wolfe | 34 min |
| Aug 13, 7:15 PM EDT | Special Weather Statement | JKL | Magoffin | 30 min |
| Aug 13, 7:23 PM EDT | Areal Flood Advisory | JKL | Montgomery | 112 min |
| Aug 13, 7:26 PM EDT | Areal Flood Advisory | JKL | Breathitt, Estill, Lee, Powell, Wolfe | 16 min |
| Aug 13, 7:33 PM EDT | Special Weather Statement | JKL | Powell | 27 min |
| Aug 13, 7:40 PM EDT | Special Weather Statement | JKL | Bath, Breathitt, Fleming, Floyd, Magoffin, Menifee and 3 more | 35 min |
| Aug 13, 7:42 PM EDT | Flash Flood Warning | JKL | Breathitt, Estill, Lee, Powell, Wolfe | 3 hr |
| Aug 13, 7:46 PM EDT | Special Weather Statement | JKL | Fleming | 29 min |
| Aug 13, 7:49 PM EDT | Flash Flood Warning | JKL | Powell | 3 hr |
| Aug 13, 7:58 PM EDT | Areal Flood Advisory | JKL | Breathitt, Floyd, Magoffin, Wolfe | 13 min |
Nearby
Flash Flood Warnings in Kentucky, 2026Every flash flood warning in 2026
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.