Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS State College, PA

July 15, 2012McKean County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 15, 2012, 12:08 PM EDT for McKean County, Pennsylvania. It was in force for 37 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: Jul 15, 2012, 12:08 PM EDT (16:08 UTC)
Expired: Jul 15, 2012, 12:45 PM EDT
In force: 37 min
Issued by: NWS State College, PA

County McKean County, PA

The radar

The State College radar (KCCX), 127 km from the middle of the area, began a volume at 16:08 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, 4.1 hours before the alert went out and 126 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: 1061 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 691 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

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 Jul 15, 11:26 AM EDT, 42 minutes earlier.

Area forecast discussion, Jul 15, 11:26 AM EDT, 42 minutes before

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Hazardous weather outlook, Jul 15, 4:46 AM EDT, 7 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
446 AM EDT SUN JUL 15 2012

PAZ004>006-010>012-017>019-024>028-033>035-037-041-042-045-046-
049>053-058-160900-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-SOMERSET-BEDFORD-FULTON-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
446 AM EDT SUN JUL 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS COULD PRODUCE HEAVY RAINFALL AND STRONG WIND GUSTS
THIS AFTERNOON AND EVENING. THE HEAVY RAIN MAY RESULT IN LOCALIZED
FLOODING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ036-056-057-059-063>066-160900-
FRANKLIN-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
446 AM EDT SUN JUL 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS COULD PRODUCE HEAVY RAINFALL AND STRONG WIND GUSTS
THIS AFTERNOON AND EVENING. THE HEAVY RAIN MAY RESULT IN LOCALIZED
FLOODING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

HEAT INDEX VALUES WILL APPROACH 100 DEGREES DURING THE AFTERNOON
FROM MONDAY THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

MS

In the hours before

Special weather statement, Jul 15, 12:08 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1208 PM EDT SUN JUL 15 2012

PAZ004-005-151645-
MCKEAN PA-WARREN PA-
1208 PM EDT SUN JUL 15 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN WARREN AND
WESTERN MCKEAN COUNTIES...

AT 1204 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM 6
MILES NORTHWEST OF LIMESTONE TO CHAPMAN STATE PARK TO HYDETOWN...
MOVING EAST AT 20 MPH.

WIND GUSTS TO 30 MPH AND VERY HEAVY RAIN ARE POSSIBLE WITH THESE
STORMS. RAIN WILL CAUSE WATER TO POND ON ROADS AND FILL POOR
DRAINAGE AREAS AS WELL AS CAUSE RAPID RISES ON SMALL STREAMS AND
CREEKS. THESE STORMS WILL AFFECT TIDIOUTE...MARSHBURG AND LUDLOW.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 62...
ROUTE 219...STATE ROAD 59...STATE ROAD 446.

LAT...LON 4200 7824 4171 7873 4162 7900 4163 7962
      4170 7962 4182 7931 4201 7898

FORECASTER: LA CORTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 8:41 PM EDT	Areal Flood Advisory	CTP	Somerset	3 hr
Jul 15, 12:58 PM EDT	Special Weather Statement	CTP	Bedford, Fulton, Somerset	62 min
Jul 15, 1:00 PM EDT	Special Weather Statement	CTP	McKean	60 min
Jul 15, 1:48 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin, Fulton	57 min
Jul 15, 2:39 PM EDT	Special Weather Statement	CTP	Clinton	66 min
Jul 15, 2:44 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	61 min
Jul 15, 3:11 PM EDT	Special Weather Statement	CTP	Lebanon	64 min
Jul 15, 3:21 PM EDT	Special Weather Statement	CTP	Clearfield	69 min
Jul 15, 3:52 PM EDT	Special Weather Statement	CTP	Lycoming, Sullivan, Union	53 min
Jul 15, 4:14 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	46 min
Jul 15, 4:21 PM EDT	Special Weather Statement	CTP	Franklin	54 min
Jul 15, 4:26 PM EDT	Special Weather Statement	CTP	Blair, Huntingdon, Juniata, Mifflin, Perry, Snyder	49 min
Jul 15, 4:47 PM EDT	Special Weather Statement	CTP	Columbia, Montour, Northumberland, Schuylkill, Union	58 min
Jul 15, 4:51 PM EDT	Special Weather Statement	CTP	Sullivan	39 min
Jul 15, 5:40 PM EDT	Special Weather Statement	CTP	Columbia, Northumberland, Schuylkill, Snyder	35 min
Jul 15, 5:48 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill, Snyder	57 min
Jul 15, 5:56 PM EDT	Special Weather Statement	CTP	Franklin, Fulton	64 min
Jul 15, 6:48 PM EDT	Special Weather Statement	CTP	Lebanon	27 min
Jul 15, 7:17 PM EDT	Special Weather Statement	CTP	Dauphin, Lebanon, Perry	43 min
Jul 15, 7:42 PM EDT	Special Weather Statement	CTP	Adams, Cumberland, York	63 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.