Alert archive / Arkansas / Special Weather Statements in 2017

Special Weather Statement, NWS Memphis, TN

July 14, 2017Greene County, Arkansas

NWS Memphis, TN issued this special weather statement at Jul 14, 2017, 4:24 PM CDT for Greene County, Arkansas. It was in force for 51 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 14, 2017, 4:24 PM CDT (21:24 UTC)
Expired: Jul 14, 2017, 5:15 PM CDT
In force: 51 min
Issued by: NWS Memphis, TN

County Greene County, AR

The radar

The Memphis radar (KNQA), 93 km from the middle of the area, began a volume at 21:25 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 (KBYH), launched 12:00Z, 9.4 hours before the alert went out and 142 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: 1530 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 877 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 47 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 14, 11:38 AM CDT	Special Weather Statement	MEG	Dyer	37 min
Jul 14, 1:36 PM CDT	Areal Flood Advisory	MEG	Dyer, Lauderdale	54 min
Jul 14, 2:02 PM CDT	Special Weather Statement	MEG	Hardin	28 min
Jul 14, 2:12 PM CDT	Areal Flood Advisory	MEG	Hardin	63 min
Jul 14, 2:22 PM CDT	Special Weather Statement	MEG	Decatur	23 min
Jul 14, 2:24 PM CDT	Areal Flood Advisory	MEG	Decatur, Henderson	66 min
Jul 14, 4:56 PM CDT	Special Weather Statement	MEG	Shelby	34 min
Jul 14, 6:59 PM CDT	Flash Flood Warning	MEG	Haywood, Tipton	2 hr
Jul 14, 3:30 PM CDT	Areal Flood Advisory	MEG	Clay, Greene, Mississippi	60 min
Jul 14, 4:23 PM CDT	Areal Flood Advisory	MEG	Clay, Greene	2 hr
Jul 14, 4:38 PM CDT	Special Weather Statement	MEG	Greene, Lawrence	37 min
Jul 14, 4:58 PM CDT	Special Weather Statement	MEG	Mississippi	47 min
Jul 14, 5:52 PM CDT	Flash Flood Warning	MEG	Lawrence, Randolph	113 min
Jul 14, 5:59 PM CDT	Special Weather Statement	MEG	Mississippi	46 min
Jul 14, 4:12 PM CDT	Special Weather Statement	MEG	Dunklin	48 min

Nearby

Special Weather Statements in Arkansas, 2017 Every special weather statement in 2017

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.