Alert archive / Pennsylvania / Special Weather Statements in 2017

Special Weather Statement, NWS State College, PA

July 1, 2017Centre County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 1, 2017, 12:08 PM EDT for Centre County, Pennsylvania. It was in force for 37 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 1, 2017, 12:08 PM EDT (16:08 UTC)
Expired: Jul 1, 2017, 12:45 PM EDT
In force: 37 min
Issued by: NWS State College, PA

County Centre County, PA

The radar

The State College radar (KCCX), 22 km from the middle of the area, began a volume at 16:10 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

Washington/Dulle, VA (KIAD), launched 12:00Z, 4.1 hours before the alert went out and 204 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: 160 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

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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 1, 11:09 AM EDT, 59 minutes earlier.

Area forecast discussion, Jul 1, 11:09 AM EDT, 59 minutes before

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<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <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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Hazardous weather outlook, Jul 1, 4:57 AM EDT, 7 hours 11 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service State College PA
457 AM EDT Sat Jul 1 2017

PAZ005-006-010-011-037-020900-
McKean-Potter-Elk-Cameron-Tioga-
457 AM EDT Sat Jul 1 2017

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and Tonight.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are possible during the
afternoon and evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004-020900-
Warren-
457 AM EDT Sat Jul 1 2017

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and Tonight.

Isolated strong to severe thunderstorms with gusty winds and hail
are possible early this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ012-017>019-024>028-033>036-041-042-045-046-049>053-056>059-
063>066-020900-
Northern Clinton-Clearfield-Northern Centre-Southern Centre-Cambria-
Blair-Huntingdon-Mifflin-Juniata-Somerset-Bedford-Fulton-Franklin-
Northern Lycoming-Sullivan-Southern Clinton-Southern Lycoming-Union-
Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-Schuylkill-
Lebanon-Cumberland-Adams-York-Lancaster-
457 AM EDT Sat Jul 1 2017

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and Tonight.

Severe thunderstorms with damaging winds 60 mph or greater and
large hail exceeding 1 inch in diameter are possible during the
afternoon and evening.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Strong to severe thunderstorms with gusty winds and hail are
possible Monday afternoon and evening.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

In the hours before

Local storm report, Jul 1, 10:09 AM EDT, 1 hour 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1009 AM EDT SAT JUL 01 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0255 AM     TSTM WND DMG     3 NE SAINT MARYS        41.46N  78.52W
07/01/2017                   ELK                PA   911 CALL CENTER

            TREES AND WIRES DOWN NEAR THE INTERSECTION OF WEST
            CREEK ROAD AND LITTLE BEAR RUN ROAD.

&&

EVENT NUMBER CTP1701265

EVANEGO

Special weather statement, Jul 1, 12:08 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service State College PA
1208 PM EDT SAT JUL 1 2017

PAZ019-026-011645-
Huntingdon PA-Southern Centre PA-
1208 PM EDT SAT JUL 1 2017

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF HUNTINGDON AND SOUTHERN
CENTRE COUNTIES UNTIL 1245 PM EDT...

At 1207 PM EDT, Doppler radar indicated a strong thunderstorm near
Stormstown, moving northeast at 25 mph.

Winds in excess of 40 mph are possible.

Locations impacted include...
Bellefonte, State College, Port Matilda, Whipple Dam State Park,
Ramblewood, Pine Grove Mills, Houserville, Milesburg, Boalsburg,
Pleasant Gap, Lemont, Park Forest Village, Centre Hall, Rock Springs,
Stormstown, Julian, Seven Mountains, Warriors Mark, Unionville and
Tussey Mountain Ski Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4073 7813 4074 7812 4075 7814 4078 7816
      4098 7776 4076 7761 4073 7768 4072 7768
      4070 7770 4069 7770 4061 7806
TIME...MOT...LOC 1607Z 246DEG 16KT 4073 7802

Martin

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 11:34 PM EDT	Areal Flood Advisory	CTP	Warren	3 hr
Jul 1, 12:58 AM EDT	Areal Flood Advisory	CTP	McKean, Warren	2 hr
Jul 1, 2:02 AM EDT	Special Weather Statement	CTP	Elk	43 min
Jul 1, 2:22 AM EDT	Severe Thunderstorm Warning	CTP	Elk	38 min
Jul 1, 2:59 AM EDT	Special Weather Statement	CTP	Cameron	46 min
Jul 1, 5:15 AM EDT	Areal Flood Advisory	CTP	Warren	3 hr
Jul 1, 6:10 AM EDT	Areal Flood Advisory	CTP	Elk, McKean	3 hr
Jul 1, 12:51 PM EDT	Special Weather Statement	CTP	Centre, Mifflin	24 min
Jul 1, 1:15 PM EDT	Special Weather Statement	CTP	Juniata, Mifflin	30 min
Jul 1, 1:24 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Juniata, Mifflin, Perry, Snyder, Union	81 min
Jul 1, 1:38 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan	67 min
Jul 1, 2:07 PM EDT	Special Weather Statement	CTP	Cumberland, Perry	38 min
Jul 1, 2:12 PM EDT	Special Weather Statement	CTP	Adams	33 min
Jul 1, 2:22 PM EDT	Areal Flood Advisory	CTP	Lycoming, Sullivan	3 hr
Jul 1, 2:24 PM EDT	Special Weather Statement	CTP	Northumberland	36 min
Jul 1, 2:42 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon	33 min
Jul 1, 3:14 PM EDT	Special Weather Statement	CTP	Lancaster, Lebanon, York	61 min
Jul 1, 3:18 PM EDT	Special Weather Statement	CTP	Schuylkill	27 min
Jul 1, 4:10 PM EDT	Areal Flood Advisory	CTP	Lancaster, York	3 hr
Jul 1, 4:21 PM EDT	Special Weather Statement	CTP	Lancaster	9 min
Jul 1, 7:46 PM EDT	Special Weather Statement	CTP	McKean	14 min

Nearby

Special Weather Statements in Pennsylvania, 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.