Alert archive / Pennsylvania / Special Weather Statements in 2017

Special Weather Statement, NWS State College, PA

October 15, 2017Warren County, Pennsylvania

NWS State College, PA issued this special weather statement at Oct 15, 2017, 3:18 PM EDT for Warren County, Pennsylvania. It was in force for 87 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: Oct 15, 2017, 3:18 PM EDT (19:18 UTC)
Expired: Oct 15, 2017, 4:45 PM EDT
In force: 87 min
Issued by: NWS State College, PA

County Warren County, PA

The radar

The Buffalo radar (KBUF), 126 km from the middle of the area, began a volume at 19:19 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 12:00Z, 7.3 hours before the alert went out and 125 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: 18 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 309 m²/s²
0-3 km storm-relative helicity: 376 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Oct 15, 2:54 PM EDT, 24 minutes earlier.

Area forecast discussion, Oct 15, 2:54 PM EDT, 24 minutes before

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</head>
<body>
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    <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.
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      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Oct 15, 10:06 AM EDT, 5 hours 12 minutes before

Hazardous Weather Outlook
National Weather Service State College PA
1006 AM EDT Sun Oct 15 2017

PAZ019-026>028-034>036-042-045-046-049>053-056>059-063>066-161415-
Southern Centre-Huntingdon-Mifflin-Juniata-Bedford-Fulton-Franklin-
Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour-
Northumberland-Columbia-Perry-Dauphin-Schuylkill-Lebanon-Cumberland-
Adams-York-Lancaster-
1006 AM EDT Sun Oct 15 2017

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ004>006-010-011-017-161415-
Warren-McKean-Potter-Elk-Cameron-Clearfield-
1006 AM EDT Sun Oct 15 2017

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and Tonight.

Severe thunderstorms with isolated damaging west to southwesterly
wind gusts of 60 mph or greater are possible from the mid afternoon
hours into early this evening.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

PAZ012-018-024-025-033-037-041-161415-
Northern Clinton-Northern Centre-Cambria-Blair-Somerset-Tioga-
Northern Lycoming-
1006 AM EDT Sun Oct 15 2017

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and Tonight.

Strong to severe thunderstorms with localized, gusty west to
southwesterly winds of 45 to 55 mph are possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report significant hazardous weather.

Lambert

In the hours before

Special weather statement, Oct 15, 3:18 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service State College PA
318 PM EDT SUN OCT 15 2017

PAZ004-152045-
Warren PA-
318 PM EDT SUN OCT 15 2017

...STRONG THUNDERSTORMS WILL AFFECT PARTS OF WARREN COUNTY UNTIL 445
PM EDT...

At 317 PM EDT, Doppler radar indicated strong thunderstorms along a
line extending from 10 miles northwest of Lake Erie State Park to
near Edinboro to near Andover. Movement was east at 40 mph.

Wind gusts of 50 to 55 mph from the west are possible.

Strong thunderstorms will be near...
  Columbus around 400 PM EDT.
  Lottsville around 410 PM EDT.
  Grand Valley around 430 PM EDT.
  Garland around 440 PM EDT.
  Youngsville around 445 PM EDT.

Other locations impacted by these storms include Tidioute, Starbrick,
Sugar Grove, Bear Lake and Clarendon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms 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.

Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.

&&

LAT...LON 4200 7892 4194 7892 4164 7924 4163 7961
      4200 7960
TIME...MOT...LOC 1917Z 262DEG 36KT 4255 7953 4194 8017 4162 8051

Lambert

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 4:46 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	74 min
Oct 15, 5:39 PM EDT	Special Weather Statement	CTP	Elk	66 min
Oct 15, 5:55 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	65 min
Oct 15, 6:13 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Elk	62 min
Oct 15, 6:29 PM EDT	Special Weather Statement	CTP	Clearfield	76 min
Oct 15, 6:48 PM EDT	Special Weather Statement	CTP	Cameron	72 min
Oct 15, 7:24 PM EDT	Special Weather Statement	CTP	Blair, Cambria, Centre	66 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.