Alert archive / Tennessee / Special Weather Statements in 2012

Special Weather Statement, NWS Memphis, TN

September 2, 20124 counties in Tennessee

NWS Memphis, TN issued this special weather statement at Sep 2, 2012, 12:45 AM CDT for 4 counties in Tennessee. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Sep 2, 2012, 12:45 AM CDT (05:45 UTC)
Expired: Sep 2, 2012, 1:15 AM CDT
In force: 30 min
Issued by: NWS Memphis, TN

Counties Crockett County, TN, Haywood County, TN, Lauderdale County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 64 km from the middle of the area, began a volume at 05:46 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

Little Rock, AR (KLZK), launched 00:00Z, 5.8 hours before the alert went out and 113 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: 2103 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1167 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 7.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

<!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>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Sep 1, 11:40 PM CDT, 1 hour 5 minutes earlier.

Area forecast discussion, Sep 1, 11:40 PM CDT, 1 hour 5 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, Sep 1, 11:38 PM CDT, 1 hour 7 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, Sep 1, 11:45 PM CDT, 1 hour 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, Sep 1, 11:58 PM CDT, 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>

Special weather statement, Sep 2, 12:13 AM CDT, 32 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, Sep 2, 12:21 AM CDT, 24 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, Sep 2, 12:30 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, Sep 2, 12:45 AM CDT, 0 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
Sep 1, 8:04 PM CDT	Special Weather Statement	MEG	Tunica	56 min
Sep 1, 8:07 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Marshall, Tunica	38 min
Sep 1, 8:21 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman, Tate, Tunica	54 min
Sep 1, 8:34 PM CDT	Areal Flood Advisory	MEG	DeSoto	86 min
Sep 1, 8:52 PM CDT	Severe Thunderstorm Warning	MEG	Benton, DeSoto, Marshall	38 min
Sep 1, 9:03 PM CDT	Special Weather Statement	MEG	Panola, Quitman	42 min
Sep 1, 9:17 PM CDT	Special Weather Statement	MEG	DeSoto, Marshall, Tate	28 min
Sep 1, 9:30 PM CDT	Special Weather Statement	MEG	Coahoma	30 min
Sep 1, 9:44 PM CDT	Special Weather Statement	MEG	Marshall, Tate	46 min
Sep 1, 9:46 PM CDT	Special Weather Statement	MEG	Panola, Quitman	29 min
Sep 1, 10:01 PM CDT	Tornado Warning	MEG	Benton, Marshall	22 min
Sep 1, 10:04 PM CDT	Special Weather Statement	MEG	Coahoma	41 min
Sep 1, 10:17 PM CDT	Special Weather Statement	MEG	Benton, Marshall	43 min
Sep 1, 11:07 PM CDT	Special Weather Statement	MEG	Alcorn, Prentiss, Tippah	38 min
Sep 2, 5:11 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Tishomingo	19 min
Sep 2, 5:36 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Pontotoc, Union	39 min
Sep 2, 6:03 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba	27 min
Sep 2, 6:34 PM CDT	Tornado Warning	MEG	Itawamba	18 min
Sep 1, 7:01 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	44 min
Sep 1, 7:10 PM CDT	Severe Thunderstorm Warning	MEG	Haywood, Lauderdale, Tipton	20 min
Sep 1, 7:29 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Haywood, Shelby, Tipton	31 min
Sep 1, 7:33 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Haywood, Lauderdale	27 min
Sep 1, 7:52 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, Tipton	23 min
Sep 1, 7:56 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Haywood, Madison	34 min
Sep 1, 8:07 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Crockett, Fayette, Hardeman, Haywood, Madison	23 min
Sep 1, 8:15 PM CDT	Special Weather Statement	MEG	Weakley	30 min
Sep 1, 8:22 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Henry, Weakley	53 min
Sep 1, 8:31 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Crockett, Gibson, Hardeman, Haywood and 2 more	44 min
Sep 1, 8:45 PM CDT	Special Weather Statement	MEG	Fayette	30 min
Sep 1, 9:04 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Decatur, Henderson, Henry, Madison and 1 more	41 min
Sep 1, 9:23 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, McNairy, Madison	52 min
Sep 1, 9:45 PM CDT	Special Weather Statement	MEG	Fayette, Shelby	30 min
Sep 1, 9:48 PM CDT	Special Weather Statement	MEG	Decatur, Henderson	27 min
Sep 1, 10:13 PM CDT	Special Weather Statement	MEG	Hardin, McNairy	32 min
Sep 1, 10:15 PM CDT	Special Weather Statement	MEG	Fayette, Hardeman	45 min
Sep 1, 10:41 PM CDT	Special Weather Statement	MEG	Hardin	49 min
Sep 1, 11:25 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	23 min
Sep 1, 11:45 PM CDT	Special Weather Statement	MEG	Lauderdale, Tipton	30 min
Sep 2, 12:13 AM CDT	Special Weather Statement	MEG	Crockett, Haywood	32 min
Sep 2, 12:21 AM CDT	Special Weather Statement	MEG	Lauderdale, Tipton	39 min
Sep 2, 12:30 AM CDT	Special Weather Statement	MEG	Crockett, Madison	30 min
Sep 2, 1:20 AM CDT	Flash Flood Warning	MEG	Lauderdale, Tipton	3 hr
Sep 2, 2:07 AM CDT	Flash Flood Warning	MEG	Crockett, Haywood, Lauderdale, Tipton	3 hr
Sep 2, 2:15 AM CDT	Special Weather Statement	MEG	Crockett, Haywood, Madison	45 min
Sep 2, 3:29 AM CDT	Flash Flood Warning	MEG	Carroll, Crockett, Gibson, Madison	2 hr
Sep 1, 7:52 PM CDT	Special Weather Statement	MEG	St. Francis	53 min
Sep 1, 10:39 PM CDT	Special Weather Statement	MEG	Poinsett	51 min
Sep 1, 10:55 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	35 min
Sep 1, 11:58 PM CDT	Special Weather Statement	MEG	Mississippi	32 min

Nearby

Special Weather Statements in Tennessee, 2012 Every special weather statement in 2012

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.