Alert archive / Pennsylvania / Special Weather Statements in 2013

Special Weather Statement, NWS State College, PA

July 5, 2013Blair County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 5, 2013, 4:12 PM EDT for Blair County, Pennsylvania. It was in force for 33 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 5, 2013, 4:12 PM EDT (20:12 UTC)
Expired: Jul 5, 2013, 4:45 PM EDT
In force: 33 min
Issued by: NWS State College, PA

County Blair County, PA

The radar

The State College radar (KCCX), 41 km from the middle of the area, began a volume at 20:15 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.2 hours before the alert went out and 233 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: 470 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 773 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Jul 4, 7:23 PM EDT, 20 hours 49 minutes earlier.

Area forecast discussion, Jul 4, 7:23 PM EDT, 20 hours 49 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>
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</body>
</html>

The office that day

Everything else NWS State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 4:44 PM EDT	Special Weather Statement	CTP	Centre	31 min
Jul 5, 5:14 PM EDT	Special Weather Statement	CTP	Clinton	31 min
Jul 5, 5:19 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Potter	41 min
Jul 5, 6:45 PM EDT	Special Weather Statement	CTP	Tioga	30 min
Jul 5, 7:14 PM EDT	Special Weather Statement	CTP	Clearfield	31 min
Jul 5, 7:44 PM EDT	Special Weather Statement	CTP	Centre	31 min

Nearby

Special Weather Statements in Pennsylvania, 2013 Every special weather statement in 2013

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.