Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

December 11, 2021Monroe County, Mississippi

NWS Memphis, TN issued this special weather statement at Dec 11, 2021, 5:56 AM CST for Monroe County, Mississippi. It was in force for 79 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: Dec 11, 2021, 5:56 AM CST (11:56 UTC)
Expired: Dec 11, 2021, 7:15 AM CST
In force: 79 min
Issued by: NWS Memphis, TN
Hail: 0.00 in
Wind: 40

County Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 20 km from the middle of the area, began a volume at 12:00 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

Birmingham, AL (KBMX), launched 00:00Z, 11.9 hours before the alert went out and 166 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: 906 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 579 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 381 m²/s²
0-3 km storm-relative helicity: 413 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 10.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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 Dec 11, 5:43 AM CST, 13 minutes earlier.

Area forecast discussion, Dec 11, 5:43 AM CST, 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>

Hazardous weather outlook, Dec 11, 5:30 AM CST, 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>

In the hours before

Special weather statement, Dec 11, 3:21 AM CST, 2 hours 35 minutes before

Special Weather Statement
National Weather Service Memphis TN
321 AM CST Sat Dec 11 2021

TNZ055-091-092-110945-
Decatur TN-McNairy TN-Hardin TN-
321 AM CST Sat Dec 11 2021

...A strong thunderstorm will impact portions of northeastern
McNairy, central Hardin and southern Decatur Counties through 345 AM
CST...

At 321 AM CST, Doppler radar was tracking a strong thunderstorm over
Adamsville, or 8 miles west of Savannah, moving northeast at 50 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Savannah, Adamsville, Olive Hill, Morris Chapel, Crump, Saltillo,
Stantonville, Good Hope, Right, Phillips, Old Lawton, Pleasant Grove,
Hurley, Walkertown, Olivehill, Cerro Gordo, Thurman, Hickory Flats,
Mount Vinson and New Lawton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until 500 AM CST for western
Tennessee.

&&

LAT...LON 3539 8799 3539 8803 3537 8803 3535 8800
      3533 8802 3530 8802 3529 8798 3518 8798
      3511 8845 3529 8851 3553 8798 3551 8797
      3549 8798 3547 8803 3544 8804 3543 8803
      3541 8797
TIME...MOT...LOC 0921Z 242DEG 42KT 3524 8838

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

SMW

Special weather statement, Dec 11, 4:07 AM CST, 1 hour 49 minutes before

Special Weather Statement
National Weather Service Memphis TN
407 AM CST Sat Dec 11 2021

MSZ005-006-TNZ091-092-111030-
Tishomingo MS-Alcorn MS-McNairy TN-Hardin TN-
407 AM CST Sat Dec 11 2021

...A strong thunderstorm will impact portions of northwestern
Tishomingo, Alcorn, southeastern McNairy and Hardin Counties through
430 AM CST...

At 407 AM CST, Doppler radar was tracking a strong thunderstorm near
Theo, or near Corinth, moving northeast at 70 mph.

HAZARD...Winds in excess of 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Corinth, Savannah, Pickwick Landing State Park, J P Coleman State
Park, Burnsville, Glen, Pickwick Dam, Theo, Shiloh, Walnut Grove,
Pineflat, Hinkle, Olive Hill, Farmington, Eastview, Michie, Guys,
Ramer, Stantonville and Kossuth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until 500 AM CST for northeastern
Mississippi...and western Tennessee. A Tornado Watch also remains in
effect until 1100 AM CST for northeastern Mississippi.

&&

LAT...LON 3501 8820 3491 8815 3475 8860 3476 8874
      3486 8875 3486 8877 3498 8880 3536 8801
      3501 8798
TIME...MOT...LOC 1007Z 236DEG 61KT 3488 8860

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

SMW

Special weather statement, Dec 11, 4:32 AM CST, 1 hour 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>

Local storm report, Dec 11, 4:36 AM CST, 1 hour 20 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, Dec 11, 5:05 AM CST, 51 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, Dec 11, 5:56 AM CST, 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
Dec 10, 10:46 PM CST	Severe Thunderstorm Warning	MEG	Tunica	44 min
Dec 10, 11:25 PM CST	Severe Thunderstorm Warning	MEG	DeSoto	9 min
Dec 10, 11:48 PM CST	Severe Thunderstorm Warning	MEG	DeSoto, Marshall	42 min
Dec 11, 12:46 AM CST	Severe Thunderstorm Warning	MEG	Tunica	44 min
Dec 11, 12:48 AM CST	Severe Thunderstorm Warning	MEG	DeSoto, Tunica	42 min
Dec 11, 2:12 AM CST	Areal Flood Advisory	MEG	DeSoto, Tunica	3 hr
Dec 11, 2:41 AM CST	Severe Thunderstorm Warning	MEG	Benton, Marshall	49 min
Dec 11, 2:44 AM CST	Areal Flood Advisory	MEG	DeSoto	2 hr
Dec 11, 2:51 AM CST	Flash Flood Warning	MEG	DeSoto	2 hr
Dec 11, 2:55 AM CST	Severe Thunderstorm Warning	MEG	Panola, Tallahatchie, Yalobusha	50 min
Dec 11, 3:03 AM CST	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Tippah	42 min
Dec 11, 3:19 AM CST	Areal Flood Advisory	MEG	Benton, Marshall, Tippah	3 hr
Dec 11, 3:59 AM CST	Severe Thunderstorm Warning	MEG	Lafayette, Lee, Pontotoc, Union	31 min
Dec 11, 4:03 AM CST	Flash Flood Warning	MEG	Calhoun, Lafayette, Lee, Pontotoc, Prentiss, Tallahatchie and 3 more	2 hr
Dec 11, 4:07 AM CST	Special Weather Statement	MEG	Alcorn	23 min
Dec 11, 4:21 AM CST	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo	39 min
Dec 11, 4:25 AM CST	Tornado Warning	MEG	Itawamba, Prentiss, Tishomingo	35 min
Dec 11, 4:55 AM CST	Areal Flood Advisory	MEG	Alcorn, Prentiss, Tippah, Tishomingo	3 hr
Dec 11, 4:58 AM CST	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo	47 min
Dec 11, 5:12 AM CST	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Prentiss, Tishomingo	33 min
Dec 10, 7:28 PM CST	Tornado Warning EmergencyTornado observedConsiderable damage threat	MEG	Dyer, Lake, Lauderdale	47 min
Dec 10, 8:04 PM CST	Tornado Warning EmergencyTornado observedCatastrophic damage threat	MEG	Dyer, Lake, Obion	41 min
Dec 10, 8:28 PM CST	Tornado Warning Tornado observedConsiderable damage threat	MEG	Lake, Obion	30 min
Dec 10, 9:24 PM CST	Tornado Warning	MEG	Lauderdale	51 min
Dec 10, 9:25 PM CST	Severe Thunderstorm Warning Considerable damage threat	MEG	Tipton	50 min
Dec 10, 9:52 PM CST	Tornado Warning	MEG	Dyer, Lake, Obion	38 min
Dec 10, 10:01 PM CST	Tornado Warning	MEG	Dyer, Haywood, Lauderdale	44 min
Dec 10, 10:27 PM CST	Tornado Warning	MEG	Crockett, Dyer, Gibson, Obion, Weakley	48 min
Dec 10, 10:34 PM CST	Tornado Warning	MEG	Obion	27 min
Dec 10, 10:59 PM CST	Tornado Warning Tornado observedConsiderable damage threat	MEG	Henry, Weakley	46 min
Dec 10, 11:20 PM CST	Severe Thunderstorm Warning	MEG	Dyer, Lauderdale	15 min
Dec 10, 11:37 PM CST	Tornado Warning Tornado observedConsiderable damage threat	MEG	Henry	27 min
Dec 10, 11:41 PM CST	Areal Flood Advisory	MEG	Dyer, Gibson, Henry, Lauderdale, Obion, Weakley	3 hr
Dec 10, 11:52 PM CST	Tornado Warning	MEG	Shelby, Tipton	34 min
Dec 11, 12:05 AM CST	Tornado Warning	MEG	Shelby	22 min
Dec 11, 12:26 AM CST	Special Weather Statement	MEG	Henry	34 min
Dec 11, 12:30 AM CST	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, Shelby, Tipton	30 min
Dec 11, 12:35 AM CST	Areal Flood Advisory	MEG	Shelby	4 hr
Dec 11, 12:36 AM CST	Tornado Warning Tornado observed	MEG	Fayette, Hardeman, Haywood	24 min
Dec 11, 12:56 AM CST	Areal Flood Advisory	MEG	Henry, Weakley	3 hr
Dec 11, 12:57 AM CST	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Fayette, Gibson, Hardeman, Haywood and 1 more	48 min
Dec 11, 12:59 AM CST	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Shelby	31 min
Dec 11, 1:25 AM CST	Severe Thunderstorm Warning	MEG	Benton, Carroll, Chester, Decatur, Gibson, Hardeman and 2 more	65 min
Dec 11, 1:30 AM CST	Special Weather Statement	MEG	Fayette, Hardeman	30 min
Dec 11, 1:32 AM CST	Tornado Warning	MEG	Carroll, Chester, Henderson, Madison	28 min
Dec 11, 1:53 AM CST	Tornado Warning	MEG	Benton, Carroll, Decatur, Henderson	25 min
Dec 11, 2:26 AM CST	Special Weather Statement	MEG	Decatur, Hardin, McNairy	34 min
Dec 11, 3:21 AM CST	Special Weather Statement	MEG	Hardin	24 min
Dec 11, 3:30 AM CST	Tornado Warning	MEG	Hardin, McNairy	21 min
Dec 11, 4:32 AM CST	Special Weather Statement	MEG	Hardin	28 min
Dec 11, 6:56 AM CST	Wind Advisory	MEG	Benton, Carroll, Crockett, Dyer, Gibson, Henry and 4 more	5 hr
Dec 10, 6:07 PM CST	Tornado Warning	MEG	Craighead, Poinsett	38 min
Dec 10, 6:39 PM CST	Tornado Warning	MEG	Craighead, Greene, Mississippi, Poinsett	51 min
Dec 10, 7:06 PM CST	Tornado Warning Tornado observedConsiderable damage threat	MEG	Craighead, Greene, Mississippi	39 min
Dec 10, 8:14 PM CST	Tornado Warning	MEG	Craighead, Greene	34 min
Dec 10, 8:20 PM CST	Tornado Warning	MEG	Cross, Poinsett	40 min
Dec 10, 8:57 PM CST	Tornado Warning	MEG	Craighead, Poinsett	48 min
Dec 10, 8:59 PM CST	Tornado Warning	MEG	Craighead, Crittenden, Cross, Poinsett	31 min
Dec 10, 9:18 PM CST	Tornado Warning	MEG	Craighead, Mississippi, Poinsett	42 min
Dec 10, 9:39 PM CST	Areal Flood Advisory	MEG	Craighead, Cross, Poinsett	3 hr
Dec 11, 12:02 AM CST	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	43 min
Dec 11, 1:43 AM CST	Special Weather Statement	MEG	Phillips	32 min

Nearby

Special Weather Statements in Mississippi, 2021 Every special weather statement in 2021

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.