Alert archive / Arkansas / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 340, NWS Little Rock, AR

August 16, 2022Desha County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 16, 2022, 3:36 PM CDT for Desha County, Arkansas. It was in force for 26 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 16, 2022, 3:36 PM CDT (20:36 UTC)
Expired: Aug 16, 2022, 4:02 PM CDT
In force: 26 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Desha County, AR

The radar

The Little Rock radar (KLZK), 145 km from the middle of the area, began a volume at 20:40 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 12:00Z, 8.6 hours before the alert went out and 201 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: 1462 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1056 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 52 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 Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 15, 6:36 PM CDT, 21 hours earlier.

Area forecast discussion, Aug 15, 6:36 PM CDT, 21 hours 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 Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 16, 1:38 PM CDT	Special Weather Statement	LZK	Clark	37 min
Aug 16, 2:02 PM CDT	Special Weather Statement	LZK	Hot Spring	28 min
Aug 16, 2:07 PM CDT	Severe Thunderstorm Warning	LZK	Clark, Dallas, Hot Spring	23 min
Aug 16, 2:21 PM CDT	Special Weather Statement	LZK	Drew	24 min
Aug 16, 2:24 PM CDT	Special Weather Statement	LZK	Saline	36 min
Aug 16, 2:34 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Dallas, Grant, Hot Spring	41 min
Aug 16, 2:38 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Grant, Hot Spring, Saline	41 min
Aug 16, 2:41 PM CDT	Severe Thunderstorm Warning	LZK	Desha, Drew, Lincoln	49 min
Aug 16, 2:52 PM CDT	Special Weather Statement	LZK	Garland	23 min
Aug 16, 3:02 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Hot Spring, Saline	43 min
Aug 16, 3:07 PM CDT	Severe Thunderstorm Warning	LZK	Grant	38 min
Aug 16, 3:19 PM CDT	Special Weather Statement	LZK	Cleveland	26 min
Aug 16, 3:22 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland, Drew, Lincoln	38 min
Aug 16, 3:30 PM CDT	Severe Thunderstorm Warning	LZK	Scott, Yell	15 min
Aug 16, 3:38 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Hot Spring, Saline	27 min
Aug 16, 3:46 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland	44 min
Aug 16, 4:01 PM CDT	Severe Thunderstorm Warning	LZK	Cleveland	44 min
Aug 16, 4:16 PM CDT	Severe Thunderstorm Warning	LZK	Lincoln	44 min
Aug 16, 4:44 PM CDT	Severe Thunderstorm Warning	LZK	Lincoln	10 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2022 Every severe thunderstorm warning 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.