Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS State College, PA

August 14, 2012Franklin County, Fulton County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 14, 2012, 8:29 PM EDT for Franklin County, Fulton County, Pennsylvania. It was in force for 31 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 14, 2012, 8:29 PM EDT (00:29 UTC)
Expired: Aug 14, 2012, 9:00 PM EDT
In force: 31 min
Issued by: NWS State College, PA

Counties Franklin County, PA, Fulton County, PA

The radar

The State College radar (KCCX), 109 km from the middle of the area, began a volume at 00:30 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 00:00Z, 0.5 hours before the alert went out and 121 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: 833 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1690 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 14, 7:48 PM EDT, 41 minutes earlier.

Area forecast discussion, Aug 14, 7:48 PM EDT, 41 minutes before

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Hazardous weather outlook, Aug 14, 6:33 AM EDT, 13 hours 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
633 AM EDT TUE AUG 14 2012

PAZ006-011-012-017>019-025>028-034>037-041-042-045-046-049>053-
056>059-063>066-151045-
POTTER-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-
SOUTHERN CENTRE-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-
FRANKLIN-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-
DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
633 AM EDT TUE AUG 14 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND EVENING IN ADVANCE
OF AN APPROACHING COLD FRONT. THERE IS A SLIGHT CHANCE THAT SOME
OF THESE STORMS COULD CONTAIN DAMAGING WIND GUSTS OR LARGE HAIL.

.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.

PAZ004-005-010-024-033-151045-
WARREN-MCKEAN-ELK-CAMBRIA-SOMERSET-
633 AM EDT TUE AUG 14 2012

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.

In the hours before

Special weather statement, Aug 14, 8:17 PM EDT, 12 minutes before

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Special weather statement, Aug 14, 8:21 PM EDT, 8 minutes before

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Special weather statement, Aug 14, 8:25 PM EDT, 4 minutes before

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Local storm report, Aug 14, 8:26 PM EDT, 3 minutes before

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Local storm report, Aug 14, 8:28 PM EDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
828 PM EDT TUE AUG 14 2012

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

0816 PM     HAIL             LEWISBERRY              40.14N  76.86W
08/14/2012  M0.70 INCH       YORK               PA   TRAINED SPOTTER

&&

EVENT NUMBER CTP1200400

MACH

Special weather statement, Aug 14, 8:29 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
829 PM EDT TUE AUG 14 2012

PAZ035-036-150100-
FRANKLIN PA-FULTON PA-
829 PM EDT TUE AUG 14 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL FULTON AND
WESTERN FRANKLIN COUNTIES...

AT 825 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
NEEDMORE TO CLAYLICK...MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
THESE STORMS WILL AFFECT MCCONNELLSBURG...FORT LITTLETON AND
GREENCASTLE.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 174 AND 187...I-70 BETWEEN
MILE MARKERS 151 AND 153...I-81 BETWEEN MILE MARKERS 1 AND 11.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11...ROUTE
30...ROUTE 522.

LAT...LON 3993 7825 3998 7822 4011 7793 4006 7786
      4009 7784 3972 7755 3972 7799

FORECASTER: MARTIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 8:05 PM EDT	Special Weather Statement	CTP	Schuylkill	25 min
Aug 14, 8:09 PM EDT	Special Weather Statement	CTP	Dauphin	36 min
Aug 14, 8:17 PM EDT	Special Weather Statement	CTP	Adams	28 min
Aug 14, 8:21 PM EDT	Special Weather Statement	CTP	Juniata	24 min
Aug 14, 8:25 PM EDT	Special Weather Statement	CTP	Clinton	35 min
Aug 14, 8:38 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Snyder	37 min
Aug 14, 9:01 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Perry	59 min
Aug 14, 9:02 PM EDT	Special Weather Statement	CTP	Franklin	58 min
Aug 14, 9:24 PM EDT	Areal Flood Advisory	CTP	Juniata, Perry, Snyder	3 hr
Aug 14, 9:25 PM EDT	Special Weather Statement	CTP	Adams	35 min
Aug 14, 9:31 PM EDT	Special Weather Statement	CTP	Cumberland	44 min
Aug 14, 9:33 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin	57 min
Aug 14, 9:56 PM EDT	Special Weather Statement	CTP	Dauphin	34 min
Aug 14, 10:12 PM EDT	Flash Flood Warning	CTP	Cumberland, Dauphin, Perry	3 hr
Aug 14, 10:43 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon, York	62 min
Aug 14, 11:50 PM EDT	Special Weather Statement	CTP	Lancaster	40 min
Aug 15, 6:12 PM EDT	Special Weather Statement	CTP	Cameron	63 min
Aug 15, 6:42 PM EDT	Special Weather Statement	CTP	Mifflin	33 min

Nearby

Special Weather Statements in Pennsylvania, 2012 Every special weather statement in 2012

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.