Alert archive / Tennessee / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 211, NWS Memphis, TN

July 1, 20235 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jul 1, 2023, 11:37 AM CDT for 5 counties in Tennessee. 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: Jul 1, 2023, 11:37 AM CDT (16:37 UTC)
Expired: Jul 1, 2023, 12:00 PM CDT
In force: 23 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Chester County, TN, Decatur County, TN, Hardin County, TN, Henderson County, TN, McNairy County, TN

The radar

The Memphis radar (KNQA), 136 km from the middle of the area, began a volume at 16:40 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, 4.6 hours before the alert went out and 179 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: 369 J/kg
Mixed-layer CIN: -332 J/kg
Mixed-layer LCL: 1320 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 79 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 Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 1, 10:24 AM CDT, 1 hour 13 minutes earlier.

Area forecast discussion, Jul 1, 10:24 AM CDT, 1 hour 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>

In the hours before

Local storm report, Jul 1, 10:56 AM CDT, 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, Jul 1, 11:00 AM CDT, 37 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 1, 11:04 AM CDT, 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, Jul 1, 11:09 AM CDT, 28 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 1, 11:22 AM CDT, 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>

Special weather statement, Jul 1, 11:24 AM 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>

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 1, 3:53 AM CDT	Heat Advisory	MEG	Alcorn, Benton, Calhoun, Chickasaw, Coahoma, DeSoto and 16 more	39 hr
Jul 1, 8:11 AM CDT	Special Weather Statement	MEG	Panola	34 min
Jul 1, 8:27 AM CDT	Severe Thunderstorm Warning	MEG	Panola, Quitman, Tate	33 min
Jul 1, 8:51 AM CDT	Special Weather Statement	MEG	Panola, Tate	24 min
Jul 1, 9:16 AM CDT	Special Weather Statement	MEG	Benton, Marshall	29 min
Jul 1, 9:55 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall	34 min
Jul 1, 8:59 AM CDT	Special Weather Statement	MEG	Dyer, Lauderdale	31 min
Jul 1, 9:20 AM CDT	Special Weather Statement	MEG	Crockett	25 min
Jul 1, 9:39 AM CDT	Special Weather Statement	MEG	Crockett	36 min
Jul 1, 9:45 AM CDT	Special Weather Statement	MEG	Fayette	30 min
Jul 1, 10:04 AM CDT	Special Weather Statement	MEG	Madison	26 min
Jul 1, 10:09 AM CDT	Special Weather Statement	MEG	Weakley	36 min
Jul 1, 10:12 AM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Gibson, Henderson, Madison	26 min
Jul 1, 10:30 AM CDT	Special Weather Statement	MEG	Hardeman	30 min
Jul 1, 10:41 AM CDT	Special Weather Statement	MEG	Carroll, Henderson, Madison	34 min
Jul 1, 10:43 AM CDT	Special Weather Statement	MEG	Weakley	32 min
Jul 1, 10:50 AM CDT	Special Weather Statement	MEG	Hardeman	25 min
Jul 1, 11:00 AM CDT	Special Weather Statement	MEG	Haywood	30 min
Jul 1, 11:04 AM CDT	Special Weather Statement	MEG	Henry	41 min
Jul 1, 11:09 AM CDT	Special Weather Statement	MEG	Chester, Henderson, McNairy, Madison	36 min
Jul 1, 11:22 AM CDT	Special Weather Statement	MEG	Benton	23 min
Jul 1, 11:24 AM CDT	Special Weather Statement	MEG	Crockett, Haywood	36 min
Jul 1, 11:56 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Chester, Decatur, Hardin, Henderson, McNairy	34 min
Jul 1, 12:31 PM CDT	Special Weather Statement	MEG	Hardin	29 min
Jul 1, 12:35 PM CDT	Special Weather Statement	MEG	Obion	25 min
Jul 1, 1:00 PM CDT	Special Weather Statement	MEG	Dyer, Obion, Weakley	30 min
Jul 1, 1:27 PM CDT	Special Weather Statement	MEG	Gibson	33 min
Jul 1, 3:08 PM CDT	Special Weather Statement	MEG	Madison	37 min
Jul 1, 4:13 PM CDT	Special Weather Statement	MEG	Haywood	32 min
Jul 1, 4:42 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Gibson, Henderson, Madison	48 min
Jul 1, 6:06 PM CDT	Severe Thunderstorm Warning	MEG	Obion	25 min
Jul 1, 12:24 PM CDT	Special Weather Statement	MEG	Clay	51 min
Jul 1, 1:37 PM CDT	Special Weather Statement	MEG	Clay	38 min
Jul 1, 2:09 PM CDT	Special Weather Statement	MEG	Clay	36 min
Jul 1, 2:22 PM CDT	Severe Thunderstorm Warning	MEG	Clay	38 min
Jul 1, 4:03 PM CDT	Special Weather Statement	MEG	Clay	27 min
Jul 1, 4:30 PM CDT	Severe Thunderstorm Warning	MEG	Clay	30 min
Jul 1, 5:41 PM CDT	Special Weather Statement	MEG	Clay	34 min
Jul 1, 6:55 PM CDT	Special Weather Statement	MEG	Clay	20 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 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.