Alert archive / Kentucky / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 96, NWS Jackson, KY

August 2, 2024Harlan County, Letcher County, Kentucky

NWS Jackson, KY issued this severe thunderstorm warning at Aug 2, 2024, 11:37 AM EDT for Harlan County, Letcher County, Kentucky. It was in force for 23 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 2, 2024, 11:37 AM EDT (15:37 UTC)
Expired: Aug 2, 2024, 12:00 PM EDT
In force: 23 min
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Harlan County, KY, Letcher County, KY

The radar

The Jackson,KY radar (KJKL), 71 km from the middle of the area, began a volume at 15:38 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 3.6 hours before the alert went out and 298 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 811 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1010 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jackson, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 2, 7:50 AM EDT, 3 hours 47 minutes earlier.

Area forecast discussion, Aug 2, 7:50 AM EDT, 3 hours 47 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 2, 4:25 AM EDT, 7 hours 12 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>

In the hours before

Special weather statement, Aug 2, 8:57 AM EDT, 2 hours 40 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, Aug 2, 9:31 AM EDT, 2 hours 6 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, Aug 2, 10:04 AM EDT, 1 hour 33 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, Aug 2, 10:58 AM EDT, 39 minutes before

Special Weather Statement
National Weather Service JACKSON KY
1058 AM EDT Fri Aug 2 2024

KYZ087-088-113-115-117-118-021545-
Perry KY-Knott KY-Bell KY-Harlan KY-Letcher KY-Leslie KY-
1058 AM EDT Fri Aug 2 2024

...STRONG THUNDERSTORMS WILL IMPACT HARLAN...NORTHEASTERN BELL...
LESLIE...WESTERN LETCHER...SOUTHEASTERN PERRY AND SOUTH CENTRAL KNOTT
COUNTIES THROUGH 1145 AM EDT...

At 1057 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Hyden to Napier to Tacky Town to Kentenia.
Movement was east at 35 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Whitesburg, Harlan, Hyden, Letcher, Cumberland, Loyall, Evarts,
Lynch, Benham, Wallins Creek, Blackey, Big Fork, Bobs Creek, Sandy
Fork, Leatherwood, Hoskinston, Van, Bledsoe, Dizney, and Louellen.

THIS INCLUDES Hal Rogers Parkway between mile markers 40 and 42.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3679 8368 3692 8357 3698 8345 3717 8349
      3722 8286 3701 8281 3698 8287 3693 8286
      3691 8288 3690 8287 3685 8301 3685 8307
      3678 8313 3674 8314 3674 8319
TIME...MOT...LOC 1457Z 266DEG 31KT 3716 8334 3700 8331 3686 8344 3680
8341

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

JP

Special weather statement, Aug 2, 11:19 AM EDT, 18 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 1, 8:07 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Breathitt, Elliott, Fleming, Johnson, Lee and 5 more	38 min
Aug 1, 8:10 PM EDT	Special Weather Statement	JKL	Breathitt, Clay, Owsley, Perry	35 min
Aug 1, 8:11 PM EDT	Areal Flood Advisory	JKL	Clay, Knox, Laurel	8 min
Aug 1, 8:19 PM EDT	Flash Flood Warning	JKL	Clay, Knox	2 hr
Aug 1, 8:22 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Breathitt, Clay, Floyd, Harlan, Knott and 9 more	53 min
Aug 1, 8:34 PM EDT	Flash Flood Warning	JKL	Clay, Knox	112 min
Aug 1, 8:36 PM EDT	Severe Thunderstorm Warning Considerable damage threat	JKL	Breathitt, Clay, Knott, Leslie, Letcher, Perry	24 min
Aug 1, 8:39 PM EDT	Special Weather Statement	JKL	Floyd, Johnson, Magoffin, Martin	51 min
Aug 1, 8:56 PM EDT	Areal Flood Advisory	JKL	Bell, Clay, Knox, Leslie	91 min
Aug 1, 9:01 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Magoffin, Martin, Pike	29 min
Aug 1, 9:07 PM EDT	Special Weather Statement	JKL	Harlan, Knott, Letcher, Pike	38 min
Aug 1, 9:17 PM EDT	Severe Thunderstorm Warning	JKL	Floyd, Knott, Pike	28 min
Aug 1, 9:39 PM EDT	Severe Thunderstorm Warning	JKL	Pike	36 min
Aug 2, 8:57 AM EDT	Special Weather Statement	JKL	Pulaski, Rockcastle	33 min
Aug 2, 9:31 AM EDT	Special Weather Statement	JKL	Clay, Laurel	44 min
Aug 2, 10:04 AM EDT	Special Weather Statement	JKL	Clay, Knox	41 min
Aug 2, 10:58 AM EDT	Special Weather Statement	JKL	Harlan, Leslie, Letcher	47 min
Aug 2, 11:19 AM EDT	Special Weather Statement	JKL	Pike	41 min
Aug 2, 1:52 PM EDT	Areal Flood Advisory	JKL	Knox, Laurel, Whitley	3 hr
Aug 2, 2:10 PM EDT	Areal Flood Advisory	JKL	Knox, Whitley	2 hr
Aug 2, 2:44 PM EDT	Special Weather Statement	JKL	Knox	31 min
Aug 2, 2:58 PM EDT	Areal Flood Advisory	JKL	Bell, Clay, Harlan, Knox, Leslie, Whitley	6 hr
Aug 2, 3:04 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan	41 min
Aug 2, 3:11 PM EDT	Special Weather Statement	JKL	Bell	34 min
Aug 2, 3:43 PM EDT	Special Weather Statement	JKL	Lee, Wolfe	32 min
Aug 2, 3:46 PM EDT	Special Weather Statement	JKL	Harlan	29 min
Aug 2, 4:22 PM EDT	Special Weather Statement	JKL	Breathitt, Magoffin, Owsley, Wolfe	23 min
Aug 2, 4:42 PM EDT	Special Weather Statement	JKL	Pike	33 min
Aug 2, 4:53 PM EDT	Severe Thunderstorm Warning	JKL	Pike	37 min
Aug 2, 5:21 PM EDT	Special Weather Statement	JKL	McCreary, Whitley	24 min
Aug 2, 5:32 PM EDT	Severe Thunderstorm Warning	JKL	Pike	13 min
Aug 2, 5:51 PM EDT	Special Weather Statement	JKL	Knox, Whitley	24 min
Aug 2, 6:00 PM EDT	Areal Flood Advisory	JKL	McCreary, Whitley	2 hr
Aug 2, 6:16 PM EDT	Special Weather Statement	JKL	Knox, Whitley	29 min
Aug 2, 6:53 PM EDT	Special Weather Statement	JKL	Menifee	37 min
Aug 2, 7:23 PM EDT	Special Weather Statement	JKL	Morgan	37 min
Aug 2, 7:29 PM EDT	Special Weather Statement	JKL	Estill	31 min
Aug 2, 7:34 PM EDT	Special Weather Statement	JKL	Pulaski	41 min
Aug 2, 7:41 PM EDT	Special Weather Statement	JKL	Jackson, Rockcastle	34 min
Aug 2, 7:56 PM EDT	Special Weather Statement	JKL	Estill, Powell	34 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2024 Every severe thunderstorm warning in 2024

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.