Alert archive / Pennsylvania / Special Weather Statements in 2011

Special Weather Statement, NWS State College, PA

September 14, 2011Clearfield County, Pennsylvania

NWS State College, PA issued this special weather statement at Sep 14, 2011, 12:13 AM EDT for Clearfield County, Pennsylvania. It was in force for 32 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: Sep 14, 2011, 12:13 AM EDT (04:13 UTC)
Expired: Sep 14, 2011, 12:45 AM EDT
In force: 32 min
Issued by: NWS State College, PA

County Clearfield County, PA

The radar

The State College radar (KCCX), 46 km from the middle of the area, began a volume at 04:14 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

Pittsburgh, PA (KPIT), launched 00:00Z, 4.2 hours before the alert went out and 140 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: 753 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1290 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

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 Sep 13, 11:58 PM EDT, 15 minutes earlier.

Area forecast discussion, Sep 13, 11:58 PM EDT, 15 minutes before

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Hazardous weather outlook, Sep 13, 4:21 AM EDT, 19 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
421 AM EDT TUE SEP 13 2011

PAZ017>019-024>028-033>036-045-046-049>053-056>059-063>066-140830-
CLEARFIELD-NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-
MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-
DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
421 AM EDT TUE SEP 13 2011

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...WEDNESDAY THROUGH MONDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ004>006-010>012-037-041-042-140830-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-TIOGA-
NORTHERN LYCOMING-SULLIVAN-
421 AM EDT TUE SEP 13 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE WEATHER LATE THIS AFTERNOON AND
EVENING AS A COLD FRONT PUSHES THROUGH THE REGION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Sep 13, 7:37 PM EDT, 4 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
737 PM EDT TUE SEP 13 2011

PAZ005-140000-
MCKEAN PA-
737 PM EDT TUE SEP 13 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MCKEAN COUNTY...

AT 730 PM EDT...A STRONG THUNDERSTORM WAS 9 MILES WEST OF BRADFORD...
MOVING EAST AT 35 MPH.

WIND GUSTS TO 40 MPH AND PENNY SIZE HAIL ARE POSSIBLE WITH THIS
STORM. THIS STORM WILL AFFECT BRADFORD...REW AND ELDRED.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 219...STATE ROAD
46...STATE ROAD 446.

LAT...LON 4183 7829 4190 7891 4200 7892 4201 7829

FORECASTER: GARTNER

Special weather statement, Sep 13, 8:21 PM EDT, 3 hours 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
821 PM EDT TUE SEP 13 2011

PAZ004-140045-
WARREN PA-
821 PM EDT TUE SEP 13 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN WARREN COUNTY...

AT 812 PM EDT...A STRONG THUNDERSTORM WAS NEAR SPRING CREEK...MOVING
NORTHEAST AT 35 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. THIS STORM WILL
AFFECT SUGAR GROVE AND RUSSELL.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 62.

LAT...LON 4200 7892 4199 7892 4176 7942 4191 7953
      4201 7941

FORECASTER: CERU

Special weather statement, Sep 13, 8:35 PM EDT, 3 hours 38 minutes before

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Special weather statement, Sep 13, 9:47 PM EDT, 2 hours 26 minutes before

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Special weather statement, Sep 13, 11:00 PM EDT, 1 hour 13 minutes before

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Special weather statement, Sep 14, 12:13 AM EDT, 0 minutes before

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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
Sep 13, 8:14 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	46 min
Sep 13, 8:21 PM EDT	Special Weather Statement	CTP	Warren	24 min
Sep 13, 8:35 PM EDT	Special Weather Statement	CTP	Elk	55 min
Sep 13, 9:47 PM EDT	Special Weather Statement	CTP	Clearfield	43 min
Sep 13, 11:00 PM EDT	Special Weather Statement	CTP	Clearfield	45 min
Sep 13, 11:52 PM EDT	Areal Flood Advisory	CTP	Centre, Clearfield	113 min
Sep 14, 4:50 PM EDT	Special Weather Statement	CTP	Franklin, Fulton	40 min
Sep 14, 5:41 PM EDT	Special Weather Statement	CTP	Cumberland, Franklin	49 min
Sep 14, 5:55 PM EDT	Areal Flood Advisory	CTP	Franklin, Fulton	3 hr
Sep 14, 6:23 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, York	67 min
Sep 14, 7:33 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon	42 min
Sep 14, 7:45 PM EDT	Special Weather Statement	CTP	Lancaster, York	45 min

Nearby

Special Weather Statements in Pennsylvania, 2011 Every special weather statement in 2011

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.