Alert archive / Kentucky / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 211, NWS Paducah, KY

July 15, 2018Trigg County, Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Jul 15, 2018, 1:43 PM CDT for Trigg County, Kentucky. It was in force for 17 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 15, 2018, 1:43 PM CDT (18:43 UTC)
Expired: Jul 15, 2018, 2:00 PM CDT
In force: 17 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Trigg County, KY

The radar

The Ft Campbell radar (KHPX), 53 km from the middle of the area, began a volume at 18:45 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

Nashville Metro, TN (KBNA), launched 12:00Z, 6.7 hours before the alert went out and 136 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: 1419 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 978 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 70 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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 15, 1:33 PM CDT, 10 minutes earlier.

Area forecast discussion, Jul 15, 1:33 PM CDT, 10 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, Jul 15, 5:35 AM CDT, 8 hours 8 minutes before

Hazardous Weather Outlook
National Weather Service Paducah KY
535 AM CDT Sun Jul 15 2018

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-161000-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
535 AM CDT Sun Jul 15 2018

This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected across the region today and
tonight. Torrential rainfall and deadly lightning will be the main
thunderstorm hazards.

In addition....heat index values will top out between 95 and 105
this afternoon.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Scattered thunderstorms are expected again on Monday. The chance
of thunderstorms returns Thursday west of the Mississippi River,
and then area-wide on Friday. While a few stronger storms with
damaging winds cannot be ruled out, the main concerns include
lightning and locally heavy rain.

Heat indices are forecast to top the century mark Monday
afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Local storm report, Jul 15, 12:54 PM CDT, 49 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>

Local storm report, Jul 15, 1:20 PM CDT, 23 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>

Local storm report, Jul 15, 1:25 PM CDT, 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>

Local storm report, Jul 15, 1:27 PM CDT, 16 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 15, 1:30 PM CDT, 13 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>

Local storm report, Jul 15, 1:33 PM CDT, 10 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 Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 15, 9:18 AM CDT	Special Weather Statement	PAH	Christian, Todd, Trigg	87 min
Jul 15, 9:56 AM CDT	Areal Flood Advisory	PAH	Christian, Todd	3 hr
Jul 15, 12:04 PM CDT	Special Weather Statement	PAH	Ballard, Calloway, Carlisle, Fulton, Graves, Hickman and 4 more	86 min
Jul 15, 12:12 PM CDT	Areal Flood Advisory	PAH	Livingston, McCracken, Marshall	2 hr
Jul 15, 12:27 PM CDT	Severe Thunderstorm Warning	PAH	Livingston, Lyon, McCracken, Marshall	33 min
Jul 15, 12:38 PM CDT	Severe Thunderstorm Warning	PAH	Graves	22 min
Jul 15, 1:00 PM CDT	Severe Thunderstorm Warning	PAH	Calloway, Graves, Marshall	30 min
Jul 15, 1:08 PM CDT	Areal Flood Advisory	PAH	Calloway, Lyon, Marshall, Trigg	2 hr
Jul 15, 1:30 PM CDT	Special Weather Statement	PAH	Caldwell, Calloway, Christian, Lyon, Marshall, Trigg	90 min
Jul 15, 2:37 PM CDT	Areal Flood Advisory	PAH	Christian, Todd	113 min
Jul 14, 7:44 PM CDT	Special Weather Statement	PAH	Perry	31 min
Jul 14, 8:15 PM CDT	Severe Thunderstorm Warning	PAH	Perry	30 min
Jul 14, 10:22 PM CDT	Areal Flood Advisory	PAH	Jackson, Perry	2 hr
Jul 15, 12:38 AM CDT	Areal Flood Advisory	PAH	Alexander	2 hr
Jul 15, 4:52 PM CDT	Severe Thunderstorm Warning	PAH	Alexander	23 min
Jul 15, 5:17 PM CDT	Special Weather Statement	PAH	Alexander, Pulaski	43 min
Jul 15, 6:30 PM CDT	Areal Flood Advisory	PAH	Franklin, Williamson	3 hr
Jul 15, 6:52 PM CDT	Flash Flood Warning	PAH	Franklin, Williamson	3 hr
Jul 14, 7:12 PM CDT	Special Weather Statement	PAH	Wayne	18 min
Jul 14, 9:05 PM CDT	Special Weather Statement	PAH	Perry	25 min
Jul 14, 10:09 PM CDT	Special Weather Statement	PAH	Carter, Ripley	51 min
Jul 15, 2:12 PM CDT	Special Weather Statement	PAH	Perry	63 min
Jul 15, 4:25 PM CDT	Areal Flood Advisory	PAH	Bollinger, Cape Girardeau	2 hr
Jul 15, 4:41 PM CDT	Special Weather Statement	PAH	Scott	49 min
Jul 15, 5:20 PM CDT	Special Weather Statement	PAH	Ripley	25 min
Jul 15, 5:51 PM CDT	Special Weather Statement	PAH	Stoddard	54 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2018 Every severe thunderstorm warning in 2018

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.