Alert archive / Mississippi / Special Weather Statements in 2022

Special Weather Statement, NWS Memphis, TN

July 18, 2022Itawamba County, Mississippi

NWS Memphis, TN issued this special weather statement at Jul 18, 2022, 10:32 PM CDT for Itawamba County, Mississippi. It was in force for 28 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: Jul 18, 2022, 10:32 PM CDT (03:32 UTC)
Expired: Jul 18, 2022, 11:00 PM CDT
In force: 28 min
Issued by: NWS Memphis, TN
Hail: 0.25 in
Wind: 50

County Itawamba County, MS

The radar

The Columbus AFB radar (KGWX), 41 km from the middle of the area, began a volume at 03:34 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 00:00Z, 3.5 hours before the alert went out and 261 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: 643 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 977 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 18, 8:03 PM CDT	Special Weather Statement	MEG	Yalobusha	42 min
Jul 18, 8:11 PM CDT	Special Weather Statement	MEG	Calhoun	34 min
Jul 18, 8:52 PM CDT	Areal Flood Advisory	MEG	Calhoun, Lafayette, Panola, Tallahatchie, Yalobusha	113 min
Jul 18, 9:17 PM CDT	Severe Thunderstorm Warning	MEG	Panola, Quitman, Tallahatchie	43 min
Jul 18, 9:58 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie	47 min
Jul 18, 10:15 PM CDT	Areal Flood Advisory	MEG	Panola, Quitman	2 hr
Jul 18, 10:21 PM CDT	Areal Flood Warning	MEG	Panola, Quitman, Tallahatchie	30 min
Jul 18, 10:44 PM CDT	Severe Thunderstorm Warning	MEG	Quitman, Tallahatchie	46 min
Jul 18, 10:50 PM CDT	Flash Flood Warning	MEG	Panola, Quitman, Tallahatchie	114 min
Jul 18, 11:30 PM CDT	Special Weather Statement	MEG	Tallahatchie	45 min
Jul 19, 12:16 AM CDT	Special Weather Statement	MEG	Tunica	44 min
Jul 19, 12:38 AM CDT	Areal Flood Advisory	MEG	Panola, Tate, Tunica	112 min
Jul 19, 12:44 AM CDT	Areal Flood Warning	MEG	Panola, Quitman, Tallahatchie	6 hr
Jul 19, 12:50 AM CDT	Areal Flood Advisory	MEG	DeSoto	5 hr
Jul 19, 3:09 AM CDT	Excessive Heat Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tallahatchie, Tate and 2 more	42 hr
Jul 19, 3:09 AM CDT	Heat Advisory	MEG	Alcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 9 more	42 hr

Nearby

Special Weather Statements in Mississippi, 2022 Every special weather statement in 2022

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.