Alert archive / Pennsylvania / Special Weather Statements in 2011

Special Weather Statement, NWS State College, PA

May 19, 2011McKean County, Pennsylvania

NWS State College, PA issued this special weather statement at May 19, 2011, 5:03 PM EDT for McKean County, Pennsylvania. It was in force for 57 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: May 19, 2011, 5:03 PM EDT (21:03 UTC)
Expired: May 19, 2011, 6:00 PM EDT
In force: 57 min
Issued by: NWS State College, PA

County McKean County, PA

The radar

The State College radar (KCCX), 106 km from the middle of the area, began a volume at 21:05 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.1 hours before the alert went out and 124 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 706 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 99 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 May 19, 3:08 PM EDT, 1 hour 55 minutes earlier.

Area forecast discussion, May 19, 3:08 PM EDT, 1 hour 55 minutes before

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Hazardous weather outlook, May 19, 2:14 PM EDT, 2 hours 49 minutes before

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In the hours before

Local storm report, May 19, 2:14 PM EDT, 2 hours 49 minutes before

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Special weather statement, May 19, 3:18 PM EDT, 1 hour 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
318 PM EDT THU MAY 19 2011

PAZ063-191945-
CUMBERLAND PA-
318 PM EDT THU MAY 19 2011

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CUMBERLAND COUNTY...

AT 313 PM EDT...A STRONG THUNDERSTORM WAS NEAR WALNUT BOTTOM...MOVING
EAST AT 15 MPH.

WIND GUSTS TO 50 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL BE NEAR MOUNT HOLLY SPRING AROUND 340 PM AND BOILING
SPRINGS AROUND 350 PM.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 221 AND 229...I-81 BETWEEN
MILE MARKERS 38 AND 51.

THIS WILL ALSO IMPACT ROUTE 11 FROM WEST OF CARLISLE TO EAST OF
CARLISLE.

LAT...LON 4007 7733 4019 7736 4024 7711 4015 7704
      4009 7711 4007 7714

FORECASTER: DANGELO

Special weather statement, May 19, 3:41 PM EDT, 1 hour 22 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
341 PM EDT THU MAY 19 2011

PAZ037-192015-
TIOGA PA-
341 PM EDT THU MAY 19 2011

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

AT 337 PM EDT...A STRONG THUNDERSTORM WAS NEAR MILLERTON...MOVING
WEST AT 5 MPH.

WIND GUSTS TO 50 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL STAY OVER MAINLY RURAL AREAS OF NORTHEASTERN TIOGA
COUNTY JUST EAST OF TIOGA-HAMMOND DAM.

LAT...LON 4199 7692 4190 7690 4187 7690 4187 7704
      4201 7706 4200 7693

FORECASTER: DANGELO

Special weather statement, May 19, 4:28 PM EDT, 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
428 PM EDT THU MAY 19 2011

PAZ063>065-192130-
ADAMS PA-CUMBERLAND PA-YORK PA-
428 PM EDT THU MAY 19 2011

...A STRONG THUNDERSTORM WILL AFFECT ADAMS...SOUTH CENTRAL CUMBERLAND
AND WEST CENTRAL YORK COUNTIES...

AT 423 PM EDT...A STRONG THUNDERSTORM WAS NEAR GETTYSBURG...MOVING
NORTHEAST AT 5 MPH.

WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL BE NEAR BONNEAUVILLE AROUND 440 PM...ARENDTSVILLE
AROUND 500 PM...BIGLERVILLE AROUND 520 PM AND HEIDLERSBURG AROUND 530
PM.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 15...ROUTE 30...
STATE ROAD 94...STATE ROAD 97.

LAT...LON 3978 7737 4010 7739 4004 7687 3971 7715
      3972 7721

FORECASTER: MARTIN

Special weather statement, May 19, 4:46 PM EDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
446 PM EDT THU MAY 19 2011

PAZ064>066-192145-
ADAMS PA-LANCASTER PA-YORK PA-
446 PM EDT THU MAY 19 2011

...A STRONG THUNDERSTORM WILL AFFECT EASTERN ADAMS...WEST CENTRAL
LANCASTER AND WESTERN YORK COUNTIES...

AT 441 PM EDT...A STRONG THUNDERSTORM WAS NEAR EAST BERLIN...MOVING
SOUTHEAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL BE NEAR YORK BY 540 PM.

THIS WILL IMPACT I-83 BETWEEN MILE MARKERS 1 AND 33.

LAT...LON 4010 7710 4015 7703 4015 7698 4016 7698
      4016 7697 4014 7675 4012 7673 4014 7670
      4013 7657 3972 7667 3972 7718

FORECASTER: MARTIN

Special weather statement, May 19, 5:03 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
503 PM EDT THU MAY 19 2011

PAZ005-006-192200-
MCKEAN PA-POTTER PA-
503 PM EDT THU MAY 19 2011

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MCKEAN AND
NORTHWESTERN POTTER COUNTIES...

AT 500 PM EDT...A STRONG THUNDERSTORM WAS NEAR PORT ALLEGANY. THIS
STORM WAS NEARLY STATIONARY.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WAS PART OF A BAND OF STORMS THAT EXTENDED NORTHWESTWARD
TO NEAR BRADFORD.

THIS STORM WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE
219...STATE ROAD 46...STATE ROAD 59...STATE ROAD 446.

LAT...LON 4184 7799 4162 7819 4200 7892 4201 7818

FORECASTER: MARTIN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 8:15 PM EDT	Special Weather Statement	CTP	Clinton	60 min
May 18, 8:52 PM EDT	Special Weather Statement	CTP	Potter	53 min
May 18, 9:22 PM EDT	Flash Flood Warning	CTP	Lycoming	83 min
May 18, 10:19 PM EDT	Areal Flood Advisory	CTP	Adams, Cumberland, Franklin, Fulton, Huntingdon	116 min
May 18, 10:33 PM EDT	Special Weather Statement	CTP	Adams	27 min
May 18, 11:21 PM EDT	Special Weather Statement	CTP	Adams, Cumberland	54 min
May 18, 11:49 PM EDT	Areal Flood Advisory	CTP	Cumberland, Franklin, Huntingdon, Juniata, Mifflin, Perry	116 min
May 19, 12:22 AM EDT	Special Weather Statement	CTP	Centre, Juniata, Mifflin	53 min
May 19, 12:31 AM EDT	Areal Flood Advisory	CTP	Centre, Clinton, Mifflin, Snyder, Union	119 min
May 19, 12:56 AM EDT	Special Weather Statement	CTP	Snyder	64 min
May 19, 1:10 AM EDT	Special Weather Statement	CTP	Dauphin, Snyder	65 min
May 19, 1:20 AM EDT	Special Weather Statement	CTP	Clinton	55 min
May 19, 2:08 AM EDT	Special Weather Statement	CTP	Lancaster	37 min
May 19, 2:29 AM EDT	Areal Flood Advisory	CTP	Adams, York	2 hr
May 19, 3:24 AM EDT	Areal Flood Advisory	CTP	Cumberland, Dauphin, Juniata, Northumberland, Perry, Snyder and 1 more	3 hr
May 19, 3:33 AM EDT	River Flood Warning	CTP	Clinton	14 hr
May 19, 3:55 AM EDT	Flash Flood Warning	CTP	Dauphin	3 hr
May 19, 5:56 AM EDT	Areal Flood Advisory	CTP	Lycoming, Montour, Northumberland, Union	94 min
May 19, 11:41 AM EDT	Areal Flood Advisory	CTP	Adams, Columbia, Cumberland, Dauphin, Franklin, Lancaster and 7 more	3 hr
May 19, 1:27 PM EDT	Special Weather Statement	CTP	Lebanon	33 min
May 19, 1:41 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lebanon, Northumberland, Schuylkill	49 min
May 19, 2:00 PM EDT	Flash Flood Warning	CTP	Lycoming	3 hr
May 19, 3:18 PM EDT	Special Weather Statement	CTP	Cumberland	27 min
May 19, 4:22 PM EDT	Areal Flood Advisory	CTP	Adams, Cumberland, York	3 hr
May 19, 4:28 PM EDT	Special Weather Statement	CTP	Adams	62 min
May 19, 4:46 PM EDT	Special Weather Statement	CTP	York	59 min
May 19, 6:13 PM EDT	Flash Flood Warning	CTP	McKean	3 hr
May 19, 6:13 PM EDT	Special Weather Statement	CTP	Potter	32 min
May 19, 6:47 PM EDT	Areal Flood Warning	CTP	Potter, Tioga	3 hr

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.