Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS State College, PA

August 14, 2012Bedford County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 14, 2012, 2:41 PM EDT for Bedford County, Pennsylvania. It was in force for 34 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, 2:41 PM EDT (18:41 UTC)
Expired: Aug 14, 2012, 3:15 PM EDT
In force: 34 min
Issued by: NWS State College, PA

County Bedford County, PA

The radar

The State College radar (KCCX), 89 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 155 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: 582 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 687 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 30 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.3

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, 11:55 AM EDT, 2 hours 46 minutes earlier.

Area forecast discussion, Aug 14, 11:55 AM EDT, 2 hours 46 minutes before

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Hazardous weather outlook, Aug 14, 6:33 AM EDT, 8 hours 8 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, 2:41 PM EDT, 0 minutes before

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

PAZ034-141915-
BEDFORD PA-
241 PM EDT TUE AUG 14 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN BEDFORD COUNTY...

AT 236 PM EDT...A STRONG THUNDERSTORM WAS NEAR CESSNA...MOVING
NORTHEAST AT 15 TO 20 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL AFFECT NEW ENTERPRISE AND HOPEWELL.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 144 AND 146...I-99 BETWEEN
MILE MARKERS 0 AND 3.

THIS WILL ALSO IMPACT ROUTE 220.

LAT...LON 4003 7854 4008 7858 4026 7833 4025 7829
      4029 7826 4022 7824 4019 7817 4015 7814
      4013 7815 4008 7820

FORECASTER: STEINBUGL

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 2:22 PM EDT	Areal Flood Advisory	CTP	Adams, Cumberland	83 min
Aug 14, 3:13 PM EDT	Special Weather Statement	CTP	Fulton	47 min
Aug 14, 4:56 PM EDT	Special Weather Statement	CTP	Fulton	34 min
Aug 14, 5:19 PM EDT	Special Weather Statement	CTP	York	41 min
Aug 14, 5:29 PM EDT	Areal Flood Advisory	CTP	Lancaster	2 hr
Aug 14, 5:30 PM EDT	Special Weather Statement	CTP	Juniata	45 min
Aug 14, 6:04 PM EDT	Special Weather Statement	CTP	York	41 min
Aug 14, 6:36 PM EDT	Special Weather Statement	CTP	Lancaster	39 min
Aug 14, 6:52 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon, York	53 min
Aug 14, 7:03 PM EDT	Special Weather Statement	CTP	York	57 min
Aug 14, 7:11 PM EDT	Areal Flood Advisory	CTP	Huntingdon	94 min
Aug 14, 7:17 PM EDT	Areal Flood Advisory	CTP	Lancaster	118 min
Aug 14, 7:21 PM EDT	Special Weather Statement	CTP	Mifflin	54 min
Aug 14, 7:32 PM EDT	Special Weather Statement	CTP	Dauphin	28 min
Aug 14, 7:34 PM EDT	Special Weather Statement	CTP	York	56 min
Aug 14, 7:38 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon	37 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.