Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Charleston, WV

May 23, 2012Buchanan County, Virginia

NWS Charleston, WV issued this special weather statement at May 23, 2012, 5:31 PM EDT for Buchanan County, Virginia. It was in force for 29 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: May 23, 2012, 5:31 PM EDT (21:31 UTC)
Expired: May 23, 2012, 6:00 PM EDT
In force: 29 min
Issued by: NWS Charleston, WV

County Buchanan County, VA

The radar

The Charleston,WV radar (KRLX), 105 km from the middle of the area, began a volume at 21:32 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

Roanoke, VA (KRNK), launched 12:00Z, 9.5 hours before the alert went out and 225 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: 51 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 682 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this special weather statement went out at May 22, 7:56 PM EDT, 21 hours 35 minutes earlier.

Area forecast discussion, May 22, 7:56 PM EDT, 21 hours 35 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>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 1:51 PM EDT	Special Weather Statement	RLX	Braxton, Fayette, Nicholas, Pocahontas, Randolph, Upshur and 1 more	54 min
May 23, 2:46 PM EDT	Special Weather Statement	RLX	Braxton, Clay, Fayette, Nicholas, Pocahontas, Randolph and 2 more	3 hr

Nearby

Special Weather Statements in Virginia, 2012 Every special weather statement in 2012

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.