Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS State College, PA

July 26, 20124 counties in Pennsylvania

NWS State College, PA issued this special weather statement at Jul 26, 2012, 8:41 AM EDT for 4 counties in Pennsylvania. It was in force for 64 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 26, 2012, 8:41 AM EDT (12:41 UTC)
Expired: Jul 26, 2012, 9:45 AM EDT
In force: 64 min
Issued by: NWS State College, PA

Counties Adams County, PA, Cumberland County, PA, Dauphin County, PA, Lebanon County, PA

The radar

The State College radar (KCCX), 117 km from the middle of the area, began a volume at 12:42 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 0.7 hours before the alert went out and 111 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: 59 J/kg
Mixed-layer CIN: -282 J/kg
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 239 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 Jul 26, 5:22 AM EDT, 3 hours 19 minutes earlier.

Area forecast discussion, Jul 26, 5:22 AM EDT, 3 hours 19 minutes before

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Hazardous weather outlook, Jul 26, 2:28 AM EDT, 6 hours 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
228 AM EDT THU JUL 26 2012

PAZ004>006-010>012-017>019-024-025-033-037-041-042-045-046-053-058-
270630-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-SOMERSET-TIOGA-
NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-
COLUMBIA-SCHUYLKILL-
228 AM EDT THU JUL 26 2012

...MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY INTO
TONIGHT. A WARM FRONT WILL LIFT NORTHEAST ACROSS THE AREA EARLY
TODAY...FOLLOWED BY AN APPROACHING COLD FRONT THAT WILL REACH THE
LOWER GREAT LAKES BY THIS EVENING.

A THUNDERSTORM COMPLEX DIVING SOUTHEAST ACROSS THE LOWER GREAT
LAKES MAY IMPACT THE NORTHERN MOUNTAINS EARLY THIS MORNING...WITH
AN ISOLATED THREAT OF DAMAGING WINDS AND LARGE HAIL.

THE MAIN SEVERE WEATHER THREAT IS EXPECTED TO EVOLVE LATER THIS
AFTERNOON AND EVENING...WITH SCATTERED TO NUMEROUS SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL.
A FEW ISOLATED TORNADOES CANNOT BE RULED OUT ESPECIALLY OVER
NORTHEASTERN PENNSYLVANIA.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A FEW STRONG TO LOCALLY SEVERE STORMS ARE POSSIBLE ON FRIDAY
AFTERNOON MAINLY OVER SOUTH-CENTRAL PENNSYLVANIA.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

PAZ026>028-034>036-049>052-056-057-059-063>066-270630-
HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON-FRANKLIN-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-PERRY-DAUPHIN-LEBANON-CUMBERLAND-ADAMS-YORK-
LANCASTER-
228 AM EDT THU JUL 26 2012

...MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT...

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY INTO
TONIGHT. A WARM FRONT WILL LIFT NORTHEAST ACROSS THE AREA EARLY
TODAY...FOLLOWED BY AN APPROACHING COLD FRONT THAT WILL REACH THE
LOWER GREAT LAKES BY THIS EVENING.

THE MAIN SEVERE WEATHER THREAT IS EXPECTED TO EVOLVE LATER THIS
AFTERNOON AND EVENING...WITH SCATTERED TO NUMEROUS SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL.
A FEW ISOLATED TORNADOES CANNOT BE RULED OUT ESPECIALLY OVER
NORTHEASTERN PENNSYLVANIA.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO
WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE
INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A FEW STRONG TO LOCALLY SEVERE STORMS ARE POSSIBLE ON FRIDAY
AFTERNOON MAINLY OVER SOUTH-CENTRAL PENNSYLVANIA.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MS

In the hours before

Special weather statement, Jul 26, 5:46 AM EDT, 2 hours 55 minutes before

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Special weather statement, Jul 26, 6:29 AM EDT, 2 hours 12 minutes before

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Special weather statement, Jul 26, 6:33 AM EDT, 2 hours 8 minutes before

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Special weather statement, Jul 26, 7:29 AM EDT, 1 hour 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
729 AM EDT THU JUL 26 2012

PAZ019-045-046-049>053-058-261230-
COLUMBIA PA-MONTOUR PA-NORTHUMBERLAND PA-SCHUYLKILL PA-SNYDER PA-
SOUTHERN CENTRE PA-SOUTHERN CLINTON PA-SOUTHERN LYCOMING PA-UNION PA-
729 AM EDT THU JUL 26 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT COLUMBIA...EAST CENTRAL
CENTRE...MONTOUR...NORTHEASTERN SNYDER...NORTHERN SCHUYLKILL...
NORTHUMBERLAND...SOUTHEASTERN CLINTON...SOUTHEASTERN LYCOMING AND
UNION COUNTIES THROUGH 830 AM EDT...

AT 723 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
BERWICK TO LOGANTON...MOVING TO THE EAST SOUTHEAST AT 55 MPH.

WIND GUSTS TO 45 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS. EXPECT FREQUENT...DANGEROUS CLOUD TO GROUND LIGHTNING FROM
SOME OF THESE STORMS. DO NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER
TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM
APPROACHES. THESE STORMS WILL AFFECT VICKSBURG...WINFIELD...
REBUCK...FERNDALE...CENTRALIA AND MIDDLEPORT.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...
I-80 BETWEEN MILE MARKERS 177 AND 247...I-81 BETWEEN MILE MARKERS 114
AND 139...I-180 BETWEEN MILE MARKERS 1 AND 9.

LAT...LON 4072 7581 4067 7659 4081 7707 4094 7739
      4114 7751 4116 7745 4119 7630 4114 7628
      4114 7625 4095 7620 4091 7605 4092 7599
      4081 7588 4073 7576

FORECASTER: LAMBERT

Special weather statement, Jul 26, 7:45 AM EDT, 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
745 AM EDT THU JUL 26 2012

PAZ026-028-036-056-063>065-261245-
ADAMS PA-CUMBERLAND PA-FRANKLIN PA-HUNTINGDON PA-JUNIATA PA-PERRY PA-
YORK PA-
745 AM EDT THU JUL 26 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CUMBERLAND...
NORTHEASTERN FRANKLIN...NORTHERN ADAMS...NORTHWESTERN YORK...PERRY...
SOUTHEASTERN HUNTINGDON AND SOUTHWESTERN JUNIATA COUNTIES THROUGH
845 PM EDT...

AT 742 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
SPRUCE HILL TO AMBERSON VALLEY...MOVING TO THE EAST SOUTHEAST AT 35
MPH.

WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS. EXPECT FREQUENT...DANGEROUS CLOUD TO GROUND LIGHTNING FROM
THESE STORMS. DO NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES
WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM
APPROACHES. THESE STORMS WILL AFFECT BLAIN...KISTLER...ROXBURY...AND
AMBERSON VALLEY...NEW BLOOMFIELD...LOYSVILLE...LANDISBURG...AND
NEWBURG...SHERMANSDALE AND SHIPPENSBURG.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 186 AND 244...I-81 BETWEEN
MILE MARKERS 22 AND 65...I-83 BETWEEN MILE MARKERS 36 AND 41.

LAT...LON 3987 7719 4014 7801 4036 7782 4037 7776
      4047 7765 4056 7746 4038 7703 4036 7702
      4035 7694 4031 7691 4026 7691 4020 7682
      4015 7683

FORECASTER: LAMBERT

Special weather statement, Jul 26, 8:41 AM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
841 AM EDT THU JUL 26 2012

PAZ036-056>059-063>066-261345-
ADAMS PA-CUMBERLAND PA-DAUPHIN PA-FRANKLIN PA-LANCASTER PA-LEBANON
PA-PERRY PA-SCHUYLKILL PA-YORK PA-
841 AM EDT THU JUL 26 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT ADAMS...CUMBERLAND...
DAUPHIN...EAST CENTRAL FRANKLIN...LEBANON...NORTHWESTERN LANCASTER...
NORTHWESTERN YORK...SOUTHEASTERN PERRY AND SOUTHWESTERN SCHUYLKILL
COUNTIES THROUGH 945 AM EDT...

AT 832 AM EDT...SEVERAL STRONG THUNDERSTORMS WERE LOCATED ALONG A
LINE FROM WILLIAMSTOWN TO BLOSERVILLE TO MARION...MOVING TO THE
EAST SOUTHEAST AT 25 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
ALSO EXPECT OCCASIONAL...DANGEROUS CLOUD TO GROUND LIGHTNING FROM
THESE STORMS. DO NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES
WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM
APPROACHES. THESE STORMS WILL AFFECT ROCKVILLE...PENN NATIONAL
RACEWAY...LINGLESTOWN...AND LICKDALE...PINE
GROVE...CASHTOWN...BENDERSVILLE...AND ARENDTSVILLE...YORK SPRINGS
AND SEVEN STARS.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 207 AND 268...I-78 BETWEEN
MILE MARKERS 0 AND 8...I-81 BETWEEN MILE MARKERS 10 AND 105...I-83
BETWEEN MILE MARKERS 24 AND 50...I-283.

LAT...LON 3985 7770 4002 7772 4032 7734 4039 7720
      4065 7659 4053 7619 4049 7643 4034 7619
      4009 7667 3974 7709

FORECASTER: LAMBERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 4:04 AM EDT	Special Weather Statement	CTP	McKean	26 min
Jul 26, 4:26 AM EDT	Special Weather Statement	CTP	McKean, Warren	49 min
Jul 26, 5:03 AM EDT	Special Weather Statement	CTP	Bedford, Blair, Cambria, Somerset	72 min
Jul 26, 5:10 AM EDT	Special Weather Statement	CTP	Clearfield	35 min
Jul 26, 5:14 AM EDT	Special Weather Statement	CTP	McKean, Potter, Warren	31 min
Jul 26, 5:43 AM EDT	Special Weather Statement	CTP	Centre, Clearfield	32 min
Jul 26, 5:46 AM EDT	Special Weather Statement	CTP	Cameron, Elk, Potter, Tioga	29 min
Jul 26, 6:29 AM EDT	Special Weather Statement	CTP	Clinton, Lycoming, Montour, Union	46 min
Jul 26, 6:33 AM EDT	Special Weather Statement	CTP	Franklin	42 min
Jul 26, 7:29 AM EDT	Special Weather Statement	CTP	Columbia, Montour, Northumberland, Schuylkill, Union	61 min
Jul 26, 7:45 AM EDT	Special Weather Statement	CTP	Cumberland, Juniata, Perry	60 min
Jul 26, 1:11 PM EDT	Special Weather Statement	CTP	Warren	64 min
Jul 26, 1:20 PM EDT	Severe Thunderstorm Warning	CTP	Warren	55 min
Jul 26, 1:48 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Elk, McKean, Potter, Warren	72 min
Jul 26, 2:25 PM EDT	Severe Thunderstorm Warning	CTP	Warren	35 min
Jul 26, 2:51 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Elk, McKean and 3 more	69 min
Jul 26, 2:51 PM EDT	Tornado Warning	CTP	McKean, Potter	39 min
Jul 26, 3:22 PM EDT	Tornado Warning	CTP	Potter, Tioga	53 min
Jul 26, 3:29 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming, Potter, Sullivan, Tioga	91 min
Jul 26, 3:46 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Columbia, Lycoming and 6 more	74 min
Jul 26, 3:54 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon, Mifflin	66 min
Jul 26, 4:41 PM EDT	Tornado Warning	CTP	Columbia, Lycoming, Montour, Northumberland	34 min
Jul 26, 4:48 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Centre, Clearfield, Fulton and 5 more	57 min
Jul 26, 4:53 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Juniata, Mifflin, Northumberland, Snyder and 1 more	67 min
Jul 26, 4:58 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	32 min
Jul 26, 5:06 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill, Snyder, Sullivan	84 min
Jul 26, 5:09 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Cumberland, Dauphin, Huntingdon, Juniata, Lancaster and 8 more	81 min
Jul 26, 5:30 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Cumberland, Franklin, Fulton and 5 more	60 min
Jul 26, 5:46 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill	74 min
Jul 26, 6:04 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, Perry, York	56 min
Jul 26, 6:26 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Cumberland, Franklin, Fulton and 5 more	64 min
Jul 26, 6:33 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more	57 min
Jul 26, 6:42 PM EDT	Areal Flood Advisory	CTP	Bedford, Blair, Cambria, Somerset	3 hr
Jul 26, 6:56 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, York	49 min
Jul 26, 6:57 PM EDT	Areal Flood Advisory	CTP	Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more	3 hr
Jul 26, 7:06 PM EDT	Special Weather Statement	CTP	Clearfield	54 min
Jul 26, 7:20 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Huntingdon, Somerset	70 min
Jul 26, 7:23 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Lancaster, York	52 min
Jul 26, 7:46 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon	59 min
Jul 26, 7:52 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 3 more	53 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.