Alert archive / Pennsylvania / Special Weather Statements in 2016

Special Weather Statement, NWS State College, PA

June 21, 2016Adams County, Franklin County, Fulton County, Pennsylvania

NWS State College, PA issued this special weather statement at Jun 21, 2016, 11:40 AM EDT for Adams County, Franklin County, Fulton County, Pennsylvania. It was in force for 20 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: Jun 21, 2016, 11:40 AM EDT (15:40 UTC)
Expired: Jun 21, 2016, 12:00 PM EDT
In force: 20 min
Issued by: NWS State College, PA

Counties Adams County, PA, Franklin County, PA, Fulton County, PA

The radar

The Sterling radar (KLWX), 110 km from the middle of the area, began a volume at 15:43 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, 3.7 hours before the alert went out and 114 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: 719 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1478 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 122 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Jun 21, 10:32 AM EDT, 1 hour 8 minutes earlier.

Area forecast discussion, Jun 21, 10:32 AM EDT, 1 hour 8 minutes before

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Hazardous weather outlook, Jun 21, 6:43 AM EDT, 4 hours 57 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
643 AM EDT TUE JUN 21 2016

PAZ004>006-010>012-017>019-024>028-037-041-042-045-046-049>053-058-
221045-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
SCHUYLKILL-
643 AM EDT TUE JUN 21 2016

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.

PAZ033>036-056-057-059-063>066-221045-
SOMERSET-BEDFORD-FULTON-FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-
ADAMS-YORK-LANCASTER-
643 AM EDT TUE JUN 21 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THIS
AFTERNOON. SOME STORMS MAY PRODUCE GUSTY WINDS AND BRIEF
DOWNPOURS.

.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, Jun 21, 7:16 AM EDT, 4 hours 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
716 AM EDT TUE JUN 21 2016

PAZ063-211145-
CUMBERLAND PA-
716 AM EDT TUE JUN 21 2016

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF CUMBERLAND COUNTY UNTIL
745 AM EDT...

AT 716 AM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
NEWVILLE...MOVING SOUTHEAST AT 30 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 30 MPH ARE POSSIBLE.

THIS STRONG THUNDERSTORM WILL BE NEAR...
  PLAINFIELD AND WALNUT BOTTOM AROUND 725 AM EDT.
  PINE GROVE FURNACE AROUND 735 AM EDT.
  MOUNT HOLLY SPRINGS AND BOILING SPRINGS AROUND 740 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS STORM INCLUDE PENN STATE DICKINSON
SCHOOL OF LAW.

LAT...LON 4017 7754 4027 7734 4013 7705 4003 7719
      4000 7735
TIME...MOT...LOC 1116Z 305DEG 26KT 4018 7741

DANGELO

Local storm report, Jun 21, 7:51 AM EDT, 3 hours 49 minutes before

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Local storm report, Jun 21, 8:22 AM EDT, 3 hours 18 minutes before

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Local storm report, Jun 21, 8:30 AM EDT, 3 hours 10 minutes before

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Local storm report, Jun 21, 8:35 AM EDT, 3 hours 5 minutes before

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Special weather statement, Jun 21, 11:40 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
Jun 21, 12:38 AM EDT	Special Weather Statement	CTP	Warren	37 min
Jun 21, 1:43 AM EDT	Special Weather Statement	CTP	Tioga	47 min
Jun 21, 2:23 AM EDT	Special Weather Statement	CTP	Potter	37 min
Jun 21, 3:01 AM EDT	Special Weather Statement	CTP	Lycoming, Sullivan	59 min
Jun 21, 4:08 AM EDT	Special Weather Statement	CTP	Columbia, Montour	22 min
Jun 21, 6:43 AM EDT	Special Weather Statement	CTP	Cumberland	47 min
Jun 21, 7:16 AM EDT	Special Weather Statement	CTP	Cumberland	29 min
Jun 21, 7:22 AM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, York	53 min
Jun 21, 8:11 AM EDT	Severe Thunderstorm Warning	CTP	York	27 min
Jun 21, 12:01 PM EDT	Special Weather Statement	CTP	Adams, Franklin	44 min
Jun 21, 12:21 PM EDT	Special Weather Statement	CTP	Somerset	54 min
Jun 21, 7:20 PM EDT	Special Weather Statement	CTP	Adams	25 min
Jun 21, 7:47 PM EDT	Special Weather Statement	CTP	Adams	43 min
Jun 21, 7:59 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	61 min

Nearby

Special Weather Statements in Pennsylvania, 2016 Every special weather statement in 2016

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.