Alert archive / Georgia / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 166, NWS Jacksonville, FL

June 15, 2023Clinch County, Echols County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 15, 2023, 12:08 PM EDT for Clinch County, Echols County, Georgia. It was in force for 22 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: Jun 15, 2023, 12:08 PM EDT (16:08 UTC)
Expired: Jun 15, 2023, 12:30 PM EDT
In force: 22 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Clinch County, GA, Echols County, GA

The radar

The Moody AFB radar (KVAX), 21 km from the middle of the area, began a volume at 16:07 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 15, 11:05 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.1 hours before the alert went out and 151 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: 1409 J/kg
Mixed-layer CIN: -108 J/kg
Mixed-layer LCL: 886 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.3

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 Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 11:06 AM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jun 15, 11:06 AM EDT, 1 hour 2 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

Local storm report, Jun 15, 9:26 AM EDT, 2 hours 42 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, Jun 15, 9:58 AM EDT, 2 hours 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>

Special weather statement, Jun 15, 10:42 AM EDT, 1 hour 26 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, Jun 15, 11:18 AM EDT, 50 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, Jun 15, 11:27 AM EDT, 41 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, Jun 15, 11:35 AM EDT, 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>

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 8:30 PM EDT	Special Weather Statement	JAX	Hamilton	30 min
Jun 14, 8:45 PM EDT	Special Weather Statement	JAX	Baker	15 min
Jun 14, 9:12 PM EDT	Severe Thunderstorm Warning	JAX	Nassau	33 min
Jun 14, 9:15 PM EDT	Special Weather Statement	JAX	Baker, Columbia, Hamilton, Suwannee	30 min
Jun 14, 9:27 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Nassau	33 min
Jun 14, 9:30 PM EDT	Tornado Warning	JAX	Duval, Nassau	30 min
Jun 14, 9:47 PM EDT	Special Weather Statement	JAX	Baker, Bradford, Columbia, Hamilton, Suwannee, Union	43 min
Jun 14, 9:50 PM EDT	Special Marine Warning	JAX		55 min
Jun 14, 10:04 PM EDT	Special Weather Statement	JAX	Clay, Duval	26 min
Jun 14, 10:16 PM EDT	Special Weather Statement	JAX	Clay, Saint Johns	29 min
Jun 14, 10:22 PM EDT	Severe Thunderstorm Warning	JAX	Saint Johns	23 min
Jun 14, 10:26 PM EDT	Severe Thunderstorm Warning	JAX	Columbia, Gilchrist, Hamilton, Suwannee	49 min
Jun 14, 10:30 PM EDT	Special Weather Statement	JAX	Alachua	45 min
Jun 14, 10:45 PM EDT	Special Weather Statement	JAX	Putnam, Saint Johns	30 min
Jun 14, 10:48 PM EDT	Special Marine Warning	JAX		57 min
Jun 14, 10:55 PM EDT	Severe Thunderstorm Warning	JAX	Alachua, Bradford, Gilchrist, Union	35 min
Jun 14, 11:17 PM EDT	Special Weather Statement	JAX	Flagler, Marion, Putnam	43 min
Jun 14, 11:27 PM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Alachua, Marion, Putnam	48 min
Jun 14, 11:44 PM EDT	Severe Thunderstorm Warning	JAX	Marion, Putnam	31 min
Jun 14, 11:57 PM EDT	Severe Thunderstorm Warning	JAX	Marion	33 min
Jun 15, 12:16 AM EDT	Special Weather Statement	JAX	Flagler	29 min
Jun 15, 12:29 AM EDT	Special Weather Statement	JAX	Marion	46 min
Jun 15, 11:39 AM EDT	Severe Thunderstorm Warning	JAX	Hamilton	33 min
Jun 15, 12:21 PM EDT	Special Weather Statement	JAX	Nassau	39 min
Jun 15, 12:41 PM EDT	Special Marine Warning	JAX		64 min
Jun 15, 1:36 PM EDT	Special Weather Statement	JAX	Duval, Nassau	39 min
Jun 15, 1:37 PM EDT	Special Marine Warning	JAX		83 min
Jun 15, 1:44 PM EDT	Special Weather Statement	JAX	Baker, Hamilton	46 min
Jun 15, 2:12 PM EDT	Special Weather Statement	JAX	Saint Johns	18 min
Jun 15, 2:18 PM EDT	Areal Flood Warning	JAX	Hamilton	6 hr
Jun 15, 2:27 PM EDT	Special Marine Warning	JAX		93 min
Jun 15, 2:30 PM EDT	Special Weather Statement	JAX	Saint Johns	15 min
Jun 15, 2:33 PM EDT	Special Weather Statement	JAX	Baker, Bradford, Clay, Union	42 min
Jun 15, 2:38 PM EDT	Areal Flood Warning	JAX	Duval	3 hr
Jun 15, 2:41 PM EDT	Special Marine Warning	JAX		64 min
Jun 15, 3:09 PM EDT	Areal Flood Advisory	JAX	Baker, Columbia, Hamilton	3 hr
Jun 15, 3:23 PM EDT	Special Marine Warning	JAX		67 min
Jun 15, 3:34 PM EDT	Special Weather Statement	JAX	Clay	41 min
Jun 15, 3:53 PM EDT	Special Weather Statement	JAX	Putnam	52 min
Jun 15, 3:58 PM EDT	Areal Flood Warning	JAX	Hamilton, Suwannee	4 hr
Jun 15, 4:13 PM EDT	Special Weather Statement	JAX	Flagler	17 min
Jun 15, 5:01 PM EDT	Areal Flood Advisory	JAX	Suwannee	119 min
Jun 15, 6:09 PM EDT	Areal Flood Advisory	JAX	Alachua	111 min
Jun 15, 6:51 PM EDT	Areal Flood Advisory	JAX	Alachua, Gilchrist	2 hr
Jun 15, 7:17 PM EDT	Special Weather Statement	JAX	Marion	43 min
Jun 14, 8:13 PM EDT	Severe Thunderstorm Warning	JAX	Echols	29 min
Jun 14, 8:19 PM EDT	Special Weather Statement	JAX	Brantley, Charlton, Glynn	41 min
Jun 14, 8:24 PM EDT	Special Weather Statement	JAX	Clinch, Ware	36 min
Jun 14, 9:03 PM EDT	Special Weather Statement	JAX	Camden	27 min
Jun 15, 9:58 AM EDT	Special Weather Statement	JAX	Coffee	62 min
Jun 15, 10:22 AM EDT	Severe Thunderstorm Warning	JAX	Atkinson, Coffee	38 min
Jun 15, 10:42 AM EDT	Special Weather Statement	JAX	Bacon	48 min
Jun 15, 11:18 AM EDT	Special Weather Statement	JAX	Brantley, Pierce, Ware, Wayne	57 min
Jun 15, 11:35 AM EDT	Special Weather Statement	JAX	Echols	55 min
Jun 15, 2:49 PM EDT	Areal Flood Warning	JAX	Clinch, Echols	3 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2023 Every 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.