Alert archive / Arkansas / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 93, NWS Memphis, TN

May 21, 2024Cross County, St. Francis County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at May 21, 2024, 11:49 PM CDT for Cross County, St. Francis County, Arkansas. It was in force for 41 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: May 21, 2024, 11:49 PM CDT (04:49 UTC)
Expired: May 22, 2024, 12:30 AM CDT
In force: 41 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Cross County, AR, St. Francis County, AR

The radar

The Memphis radar (KNQA), 83 km from the middle of the area, began a volume at 04:53 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, 4.8 hours before the alert went out and 82 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: 945 J/kg
Mixed-layer CIN: -178 J/kg
Mixed-layer LCL: 1230 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

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 May 21, 9:44 PM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, May 21, 9:44 PM CDT, 2 hours 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>

In the hours before

Special weather statement, May 21, 11:44 PM CDT, 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 11:50 AM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby, Tipton	40 min
May 22, 11:56 AM CDT	Special Weather Statement	MEG	Lake	34 min
May 22, 12:12 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby, Tipton	48 min
May 22, 12:24 PM CDT	Special Weather Statement	MEG	Benton	36 min
May 22, 12:29 PM CDT	Special Weather Statement	MEG	Obion	31 min
May 22, 12:41 PM CDT	Severe Thunderstorm Warning	MEG	Obion, Weakley	49 min
May 22, 12:49 PM CDT	Special Weather Statement	MEG	Tipton	26 min
May 22, 12:53 PM CDT	Special Weather Statement	MEG	Haywood	37 min
May 22, 12:53 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	52 min
May 22, 1:00 PM CDT	Areal Flood Advisory	MEG	Obion, Weakley	2 hr
May 22, 1:10 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale	50 min
May 22, 1:28 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Shelby, Tipton	47 min
May 22, 1:32 PM CDT	Special Weather Statement	MEG	Madison	28 min
May 22, 1:48 PM CDT	Special Weather Statement	MEG	Henry	27 min
May 22, 1:48 PM CDT	Special Weather Statement	MEG	Henry	27 min
May 22, 1:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MEG	Lauderdale, Tipton	48 min
May 22, 2:11 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, Madison, Shelby, Tipton	49 min
May 22, 2:12 PM CDT	Areal Flood Advisory	MEG	Henry	3 hr
May 22, 2:14 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	46 min
May 22, 2:16 PM CDT	Areal Flood Advisory	MEG	Shelby	101 min
May 22, 2:19 PM CDT	Special Weather Statement	MEG	Benton, Carroll, Gibson, Henry, Weakley	41 min
May 22, 2:21 PM CDT	Areal Flood Warning	MEG	Carroll, Gibson, Weakley	2 hr
May 22, 2:24 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Lauderdale, Obion	51 min
May 22, 2:32 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Dyer, Gibson, Haywood, Madison	43 min
May 22, 2:48 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Fayette, Hardeman, Haywood, Henderson and 2 more	42 min
May 22, 3:06 PM CDT	Areal Flood Advisory	MEG	Dyer	37 min
May 22, 3:09 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Crockett, Dyer, Gibson, Henry, Madison and 2 more	51 min
May 22, 3:11 PM CDT	Areal Flood Warning	MEG	Benton, Henry	94 min
May 22, 3:23 PM CDT	Severe Thunderstorm Warning	MEG	Benton, Carroll, Chester, Decatur, Hardeman, Hardin and 3 more	33 min
May 22, 4:12 PM CDT	Special Weather Statement	MEG	Chester, Hardeman	33 min
May 22, 4:14 PM CDT	Special Weather Statement	MEG	Hardeman	31 min
May 22, 4:41 PM CDT	Special Weather Statement	MEG	Hardeman, McNairy	34 min
May 22, 5:11 PM CDT	Areal Flood Advisory	MEG	Carroll	3 hr
May 22, 5:16 PM CDT	Flash Flood Warning	MEG	Benton, Henry	3 hr
May 22, 1:44 PM CDT	Severe Thunderstorm Warning	MEG	Tunica	46 min
May 22, 2:26 PM CDT	Severe Thunderstorm Warning	MEG	Tunica	49 min
May 22, 3:09 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Panola, Quitman, Tate, Tunica	51 min
May 22, 4:16 PM CDT	Special Weather Statement	MEG	Lafayette, Panola	29 min
May 22, 4:42 PM CDT	Special Weather Statement	MEG	Lafayette	33 min
May 22, 6:41 PM CDT	Special Weather Statement	MEG	Coahoma, Quitman	34 min
May 21, 11:44 PM CDT	Special Weather Statement	MEG	Cross	31 min
May 22, 1:55 AM CDT	Special Weather Statement	MEG	Phillips	20 min
May 22, 12:00 PM CDT	Special Weather Statement	MEG	Cross	30 min
May 22, 12:20 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene	40 min
May 22, 12:23 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross, Poinsett	52 min
May 22, 12:46 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Poinsett	44 min
May 22, 12:49 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Greene, Mississippi	41 min
May 22, 1:03 PM CDT	Severe Thunderstorm Warning	MEG	Lee, Phillips	42 min
May 22, 1:11 PM CDT	Flash Flood Warning	MEG	Craighead	76 min
May 22, 1:45 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	45 min
May 22, 2:07 PM CDT	Flash Flood Warning	MEG	Crittenden, Cross, Mississippi, Poinsett	78 min
May 22, 2:38 PM CDT	Areal Flood Advisory	MEG	Mississippi	49 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2024 Every severe thunderstorm warning in 2024

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.