Alert archive / Mississippi / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 210, NWS Memphis, TN

August 21, 20264 counties in Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Aug 21, 2026, 12:31 AM CDT for 4 counties in Mississippi. It was in force for 44 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: Aug 21, 2026, 12:31 AM CDT (05:31 UTC)
Expired: Aug 21, 2026, 1:15 AM CDT
In force: 44 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Panola County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS

The radar

The Memphis radar (KNQA), 99 km from the middle of the area, began a volume at 05:32 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

Jackson, MS (KJAN), launched 00:00Z, 5.5 hours before the alert went out and 240 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: 1618 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 2146 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: 7 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 Aug 20, 12:08 PM CDT, 12 hours 23 minutes earlier.

Area forecast discussion, Aug 20, 12:08 PM CDT, 12 hours 23 minutes before

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In the hours before

Special weather statement, Aug 20, 6:51 PM CDT, 5 hours 40 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.
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    </section>
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  <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
Aug 20, 7:20 PM CDT	Special Weather Statement	MEG	Tishomingo	25 min
Aug 21, 1:09 AM CDT	Severe Thunderstorm Warning	MEG	Panola, Quitman, Tate	51 min
Aug 21, 1:32 AM CDT	Severe Thunderstorm Warning	MEG	Lafayette, Marshall, Panola, Tate	43 min
Aug 21, 1:58 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Lafayette, Marshall, Panola, Tallahatchie, Tate and 1 more	33 min
Aug 21, 2:49 AM CDT	Special Weather Statement	MEG	Calhoun, Chickasaw, Monroe, Pontotoc	56 min
Aug 21, 3:44 AM CDT	Special Weather Statement	MEG	Calhoun, Chickasaw, Monroe	46 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2026 Every severe thunderstorm warning in 2026

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.