Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Raleigh, NC

July 21, 2012Wake County, North Carolina

NWS Raleigh, NC issued this special weather statement at Jul 21, 2012, 1:46 PM EDT for Wake County, North Carolina. 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 outline as issued.

The facts

Issued: Jul 21, 2012, 1:46 PM EDT (17:46 UTC)
Expired: Jul 21, 2012, 2:30 PM EDT
In force: 44 min
Issued by: NWS Raleigh, NC

County Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 21 km from the middle of the area, began a volume at 17:47 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.8 hours before the alert went out and 120 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: 679 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 870 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 69 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.

<!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>

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 Raleigh, NC wrote its last area forecast discussion before this special weather statement went out at Jul 21, 9:35 AM EDT, 4 hours 11 minutes earlier.

Area forecast discussion, Jul 21, 9:35 AM EDT, 4 hours 11 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>

Hazardous weather outlook, Jul 21, 4:49 AM EDT, 8 hours 57 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

Local storm report, Jul 21, 10:17 AM EDT, 3 hours 29 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>

Special weather statement, Jul 21, 1:21 PM EDT, 25 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>

Special weather statement, Jul 21, 1:46 PM EDT, 0 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 Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 21, 1:13 AM EDT	Special Weather Statement	RAH	Sampson	47 min
Jul 21, 1:21 PM EDT	Special Weather Statement	RAH	Person	54 min
Jul 21, 2:08 PM EDT	Special Weather Statement	RAH	Anson, Cumberland, Hoke, Richmond, Scotland	37 min
Jul 21, 2:20 PM EDT	Special Weather Statement	RAH	Hoke	40 min
Jul 21, 2:45 PM EDT	Special Weather Statement	RAH	Johnston	30 min
Jul 21, 3:10 PM EDT	Special Weather Statement	RAH	Hoke	35 min
Jul 21, 3:24 PM EDT	Special Weather Statement	RAH	Richmond	51 min
Jul 21, 3:33 PM EDT	Special Weather Statement	RAH	Wayne	57 min
Jul 21, 3:40 PM EDT	Severe Thunderstorm Warning	RAH	Johnston, Sampson, Wayne	65 min
Jul 21, 3:43 PM EDT	Special Weather Statement	RAH	Moore	47 min
Jul 21, 3:47 PM EDT	Special Weather Statement	RAH	Hoke	43 min
Jul 21, 3:50 PM EDT	Special Weather Statement	RAH	Johnston	55 min
Jul 21, 4:12 PM EDT	Special Weather Statement	RAH	Halifax	48 min
Jul 21, 4:25 PM EDT	Special Weather Statement	RAH	Chatham, Harnett, Lee	65 min
Jul 21, 4:39 PM EDT	Special Weather Statement	RAH	Edgecombe, Wilson	66 min
Jul 21, 4:51 PM EDT	Special Weather Statement	RAH	Nash	39 min
Jul 21, 5:14 PM EDT	Special Weather Statement	RAH	Granville, Person	61 min
Jul 21, 5:20 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe, Halifax, Nash	17 min
Jul 21, 6:02 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Orange, Person	58 min
Jul 21, 6:08 PM EDT	Special Weather Statement	RAH	Sampson	52 min
Jul 21, 6:17 PM EDT	Special Weather Statement	RAH	Stanly	43 min
Jul 21, 6:32 PM EDT	Special Weather Statement	RAH	Guilford	58 min
Jul 21, 6:36 PM EDT	Special Weather Statement	RAH	Halifax, Warren	54 min
Jul 21, 6:38 PM EDT	Severe Thunderstorm Warning	RAH	Alamance, Guilford	52 min
Jul 21, 6:49 PM EDT	Special Weather Statement	RAH	Forsyth	41 min
Jul 21, 6:52 PM EDT	Areal Flood Advisory	RAH	Halifax	39 min
Jul 21, 7:12 PM EDT	Special Weather Statement	RAH	Franklin, Halifax, Warren	63 min
Jul 21, 7:20 PM EDT	Flash Flood Warning	RAH	Halifax, Warren	3 hr
Jul 21, 7:21 PM EDT	Severe Thunderstorm Warning	RAH	Franklin, Vance, Warren	39 min
Jul 21, 7:35 PM EDT	Special Weather Statement	RAH	Guilford	55 min
Jul 21, 7:46 PM EDT	Special Weather Statement	RAH	Durham, Orange, Wake	59 min

Nearby

Special Weather Statements in North Carolina, 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.