Alert archive / Pennsylvania / Special Weather Statements in 2010

Special Weather Statement, NWS State College, PA

August 16, 2010Clearfield County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 16, 2010, 4:21 AM EDT for Clearfield County, Pennsylvania. It was in force for 54 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: Aug 16, 2010, 4:21 AM EDT (08:21 UTC)
Expired: Aug 16, 2010, 5:15 AM EDT
In force: 54 min
Issued by: NWS State College, PA

County Clearfield County, PA

The radar

The State College radar (KCCX), 66 km from the middle of the area, began a volume at 08:22 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

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.4 hours before the alert went out and 191 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: 641 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 951 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.0

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 State College, PA wrote its last area forecast discussion before this special weather statement went out at Aug 16, 2:04 AM EDT, 2 hours 17 minutes earlier.

Area forecast discussion, Aug 16, 2:04 AM EDT, 2 hours 17 minutes before

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Hazardous weather outlook, Aug 15, 12:46 PM EDT, 15 hours 35 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
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      <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.
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      <p id="message2">
        Please try again in a few minutes.
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In the hours before

Special weather statement, Aug 16, 4:21 AM EDT, 0 minutes before

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<body>
  <main class="wrap">
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      <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.
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      <p id="message2">
        Please try again in a few minutes.
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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 State College, PA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 16, 6:03 AM EDT	Special Weather Statement	CTP	Centre	57 min
Aug 16, 12:59 PM EDT	Special Weather Statement	CTP	Montour	46 min
Aug 16, 2:40 PM EDT	Special Weather Statement	CTP	Dauphin	50 min
Aug 16, 2:51 PM EDT	Special Weather Statement	CTP	Franklin, Fulton	24 min
Aug 16, 3:08 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Schuylkill	67 min
Aug 16, 3:19 PM EDT	Special Weather Statement	CTP	Adams, Cumberland	56 min
Aug 16, 3:28 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, York	62 min
Aug 16, 3:43 PM EDT	Tornado Warning	CTP	Lebanon	47 min
Aug 16, 3:49 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	58 min
Aug 16, 4:12 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lancaster, Lebanon, York	63 min
Aug 16, 4:20 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	55 min
Aug 16, 4:30 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon	46 min
Aug 16, 5:05 PM EDT	Tornado Warning	CTP	Lancaster	25 min
Aug 16, 5:13 PM EDT	Special Weather Statement	CTP	Lebanon	32 min
Aug 16, 5:18 PM EDT	Special Weather Statement	CTP	Franklin	27 min
Aug 16, 5:31 PM EDT	Special Weather Statement	CTP	Lancaster	14 min
Aug 16, 5:37 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	63 min
Aug 16, 7:24 PM EDT	Special Weather Statement	CTP	Adams	66 min
Aug 16, 7:39 PM EDT	Special Weather Statement	CTP	York	66 min

Nearby

Special Weather Statements in Pennsylvania, 2010 Every special weather statement in 2010

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.