Alert archive / Pennsylvania / Special Weather Statements in 2016

Special Weather Statement, NWS State College, PA

August 1, 2016Union County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 1, 2016, 6:49 PM EDT for Union County, Pennsylvania. It was in force for 26 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 1, 2016, 6:49 PM EDT (22:49 UTC)
Expired: Aug 1, 2016, 7:15 PM EDT
In force: 26 min
Issued by: NWS State College, PA

County Union County, PA

The radar

The State College radar (KCCX), 63 km from the middle of the area, began a volume at 22:50 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, 10.8 hours before the alert went out and 240 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: 230 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

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 Aug 1, 5:51 PM EDT, 58 minutes earlier.

Area forecast discussion, Aug 1, 5:51 PM EDT, 58 minutes before

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Hazardous weather outlook, Aug 1, 4:03 AM EDT, 14 hours 46 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
403 AM EDT MON AUG 1 2016

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-020815-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-
ADAMS-YORK-LANCASTER-
403 AM EDT MON AUG 1 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...TUESDAY THROUGH SUNDAY.

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 1, 4:24 PM EDT, 2 hours 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
424 PM EDT MON AUG 1 2016

PAZ028-056-012100-
JUNIATA PA-PERRY PA-
424 PM EDT MON AUG 1 2016

...A STRONG THUNDERSTORM WILL AFFECT PARTS OF JUNIATA AND PERRY
COUNTIES UNTIL 500 PM EDT...

AT 424 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
MEXICO...MOVING SOUTHEAST AT 25 MPH.

NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH ARE POSSIBLE.

LOCATIONS IMPACTED INCLUDE...
WALNUT...ICKESBURG...SPRUCE HILL...SHERMANSDALE...MEXICO...NEWPORT...
LOYSVILLE...NEW BLOOMFIELD...EAST SALEM...MIFFLINTOWN...
THOMPSONTOWN...PORT ROYAL...MIFFLIN...LANDISBURG...
MILLERSTOWN AND DUNCANNON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MINOR FLOODING MAY DEVELOP. DO NOT DRIVE INTO WATER COVERING THE
ROADWAY.

&&

LAT...LON 4027 7741 4031 7736 4029 7743 4051 7760
      4061 7739 4061 7718 4031 7698 4027 7732
      4028 7733 4029 7732 4029 7733 4026 7738
      4026 7741
TIME...MOT...LOC 2024Z 332DEG 24KT 4052 7741

JUNG

Special weather statement, Aug 1, 4:41 PM EDT, 2 hours 8 minutes before

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Special weather statement, Aug 1, 5:23 PM EDT, 1 hour 26 minutes before

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Special weather statement, Aug 1, 5:57 PM EDT, 52 minutes before

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Special weather statement, Aug 1, 6:46 PM EDT, 3 minutes before

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Special weather statement, Aug 1, 6:49 PM 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
Jul 31, 8:38 PM EDT	Special Weather Statement	CTP	Montour, Northumberland	37 min
Jul 31, 8:58 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland	77 min
Jul 31, 9:52 PM EDT	Special Weather Statement	CTP	Schuylkill	53 min
Jul 31, 10:59 PM EDT	Special Weather Statement	CTP	Schuylkill	31 min
Aug 1, 2:05 PM EDT	Special Weather Statement	CTP	Perry	40 min
Aug 1, 2:13 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Perry	47 min
Aug 1, 2:20 PM EDT	Special Weather Statement	CTP	Adams	25 min
Aug 1, 3:00 PM EDT	Special Weather Statement	CTP	Adams	30 min
Aug 1, 3:03 PM EDT	Special Weather Statement	CTP	Cumberland	27 min
Aug 1, 3:17 PM EDT	Special Weather Statement	CTP	Dauphin	28 min
Aug 1, 3:21 PM EDT	Special Weather Statement	CTP	Dauphin	24 min
Aug 1, 3:32 PM EDT	Special Weather Statement	CTP	Juniata	28 min
Aug 1, 3:36 PM EDT	Special Weather Statement	CTP	Dauphin	24 min
Aug 1, 3:59 PM EDT	Special Weather Statement	CTP	Juniata	31 min
Aug 1, 4:08 PM EDT	Special Weather Statement	CTP	York	22 min
Aug 1, 4:19 PM EDT	Special Weather Statement	CTP	Lebanon	26 min
Aug 1, 4:24 PM EDT	Special Weather Statement	CTP	Juniata, Perry	36 min
Aug 1, 4:28 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Perry	92 min
Aug 1, 4:41 PM EDT	Special Weather Statement	CTP	York	34 min
Aug 1, 5:23 PM EDT	Special Weather Statement	CTP	York	37 min
Aug 1, 5:57 PM EDT	Special Weather Statement	CTP	Carbon	48 min
Aug 1, 6:01 PM EDT	Areal Flood Advisory	CTP	Lycoming, Sullivan	119 min
Aug 1, 6:25 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	40 min
Aug 1, 6:46 PM EDT	Special Weather Statement	CTP	Montour	14 min
Aug 1, 7:56 PM EDT	Special Weather Statement	CTP	Snyder	49 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.