Alert archive / Pennsylvania / Special Weather Statements in 2011

Special Weather Statement, NWS State College, PA

July 25, 2011Cambria County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 25, 2011, 5:15 PM EDT for Cambria County, Pennsylvania. It was in force for 30 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 25, 2011, 5:15 PM EDT (21:15 UTC)
Expired
Jul 25, 2011, 5:45 PM EDT
In force
30 min
Issued by
NWS State College, PA

County Cambria County, PA

The radar

The State College radar (KCCX), 94 km from the middle of the area, began a volume at 21:19 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

Pittsburgh, PA (KPIT), launched 12:00Z, 9.3 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-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2011-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2790 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2011-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2790 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.6
Supercell composite
3.7

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 25, 4:37 PM EDT, 38 minutes earlier.

Area forecast discussion, Jul 25, 4:37 PM EDT, 38 minutes before
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Hazardous weather outlook, Jul 25, 5:08 PM EDT, 7 minutes before
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In the hours before

Special weather statement, Jul 25, 3:37 PM EDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
337 PM EDT MON JUL 25 2011

PAZ017-252015-
CLEARFIELD PA-
337 PM EDT MON JUL 25 2011

...A STRONG THUNDERSTORM WILL AFFECT CLEARFIELD COUNTY...

AT 330 PM EDT...A STRONG THUNDERSTORM WAS NEAR HYDE...MOVING
SOUTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL BE NEAR WALLACETON AROUND 350 PM AND OSCEOLA MILLS
AROUND 400 PM.

THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 105 AND 138.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 219...ROUTE
322...STATE ROAD 153.

LAT...LON 4120 7850 4106 7806 4103 7808 4101 7806
      4098 7809 4096 7808 4094 7812 4096 7816
      4094 7815 4091 7822 4086 7825 4083 7830
      4074 7837 4100 7881 4103 7881

FORECASTER: RXR
Local storm report, Jul 25, 4:14 PM EDT, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
414 PM EDT MON JUL 25 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0350 PM     TSTM WND DMG     MILL HALL               41.10N  77.49W
07/25/2011                   CLINTON            PA   TRAINED SPOTTER

            TWO CARS FLIPPED OVER AND DAMAGE TO A HOME IMPROVEMENT
            CENTER IN MILL HALL

&&

EVENT NUMBER CTP1100321

TYBURSKI
Special weather statement, Jul 25, 4:16 PM EDT, 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
416 PM EDT MON JUL 25 2011

PAZ017>019-024>026-252100-
BLAIR PA-CAMBRIA PA-CLEARFIELD PA-HUNTINGDON PA-NORTHERN CENTRE PA-
SOUTHERN CENTRE PA-
416 PM EDT MON JUL 25 2011

...A LINE OF GUSTY THUNDERSTORMS WILL AFFECT CAMBRIA...CENTRE...
NORTHERN BLAIR...NORTHERN HUNTINGDON AND SOUTHERN CLEARFIELD
COUNTIES...

AT 410 PM EDT...A LINE OF GUSTY THUNDERSTORMS WAS LOCATED FROM
SNOW SHOE TO OSCEOLA MILLS TO NORTHERN CAMBRIA...MOVING SOUTHEAST
AT 30 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. THESE STORMS
WILL BE NEAR BALD EAGLE STATE PARK AROUND 420 PM...ZION AROUND 430
PM...STATE COLLEGE AROUND 440 PM...MILLHEIM AROUND 450 PM AND
WILLIAMSBURG AROUND 500 PM.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...
I-80 BETWEEN MILE MARKERS 137 AND 170...I-99 BETWEEN MILE MARKERS 25
AND 85.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22...ROUTE
219...ROUTE 220...ALTERNATE ROUTE 220...ROUTE 322...ROUTE 422...STATE
ROAD 26...STATE ROAD 45...STATE ROAD 56...STATE ROAD 350...STATE ROAD
453.

LAT...LON 4072 7881 4083 7833 4116 7779 4111 7774
      4111 7767 4096 7751 4097 7747 4087 7734
      4073 7768 4068 7770 4068 7768 4059 7782
      4040 7833 4036 7900

FORECASTER: RXR
Special weather statement, Jul 25, 4:27 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
427 PM EDT MON JUL 25 2011

PAZ019-027-028-049-050-052-252115-
JUNIATA PA-MIFFLIN PA-NORTHUMBERLAND PA-SNYDER PA-SOUTHERN CENTRE PA-
UNION PA-
427 PM EDT MON JUL 25 2011

...A LINE OF GUSTY THUNDERSTORMS WILL AFFECT EAST CENTRAL CENTRE...
NORTHEASTERN JUNIATA...NORTHEASTERN MIFFLIN...NORTHUMBERLAND...SNYDER
AND UNION COUNTIES...

AT 424 PM EDT...A LINE OF GUSTY THUNDERSTORMS WAS LOCATED FROM
SPRUCE RUN RESERVOIR TO POE VALLEY STATE PARK...MOVING SOUTHEAST AT
25 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. THESE STORMS
WILL BE NEAR LINNTOWN AROUND 440 PM...MONTANDON AROUND 450 PM...
SUNBURY AROUND 500 PM...SNYDERTOWN AROUND 510 PM AND RESLER AROUND
520 PM.

THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 195 AND 206.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...STATE HIGHWAY
147...ROUTE 11...ROUTE 11/15...ROUTE 15...ROUTE 322/22...ROUTE 522...
STATE ROAD 45...STATE ROAD 61.

LAT...LON 4069 7660 4061 7694 4063 7697 4061 7702
      4059 7717 4056 7717 4053 7731 4082 7764
      4103 7720 4104 7715 4108 7710 4110 7697
      4098 7678 4095 7679 4095 7673 4076 7641

FORECASTER: RXR
Special weather statement, Jul 25, 4:55 PM EDT, 20 minutes before
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Special weather statement, Jul 25, 5:15 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.

IssuedProductOfficeCountiesLasted
Jul 24, 9:04 PM EDTSpecial Weather StatementCTPMifflin26 min
Jul 24, 10:12 PM EDTSpecial Weather StatementCTPUnion33 min
Jul 24, 11:12 PM EDTSpecial Weather StatementCTPMontour33 min
Jul 25, 7:14 AM EDTSpecial Weather StatementCTPElk76 min
Jul 25, 8:06 AM EDTSpecial Weather StatementCTPPotter69 min
Jul 25, 8:49 AM EDTSpecial Weather StatementCTPPotter41 min
Jul 25, 10:12 AM EDTSpecial Weather StatementCTPSomerset33 min
Jul 25, 10:17 AM EDTSpecial Weather StatementCTPCambria28 min
Jul 25, 11:02 AM EDTSpecial Weather StatementCTPAdams, Cumberland28 min
Jul 25, 11:34 AM EDTSpecial Weather StatementCTPAdams, Cumberland26 min
Jul 25, 12:06 PM EDTSpecial Weather StatementCTPAdams, Cumberland, Dauphin, Lebanon, York54 min
Jul 25, 12:39 PM EDTAreal Flood AdvisoryCTPCumberland, Dauphin, Lancaster, Lebanon, Perry, York3 hr
Jul 25, 12:45 PM EDTSpecial Weather StatementCTPMcKean, Warren45 min
Jul 25, 12:55 PM EDTSevere Thunderstorm WarningCTPMcKean, Potter, Warren65 min
Jul 25, 1:04 PM EDTSpecial Weather StatementCTPYork56 min
Jul 25, 1:12 PM EDTSevere Thunderstorm WarningCTPDauphin, Lancaster, Lebanon31 min
Jul 25, 1:52 PM EDTSevere Thunderstorm WarningCTPPotter, Tioga53 min
Jul 25, 2:59 PM EDTSpecial Weather StatementCTPLycoming, Sullivan61 min
Jul 25, 3:33 PM EDTAreal Flood AdvisoryCTPColumbia, Schuylkill4 hr
Jul 25, 3:37 PM EDTSpecial Weather StatementCTPClearfield38 min
Jul 25, 3:43 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Lycoming, Montour, Northumberland, Sullivan and 1 more47 min
Jul 25, 4:16 PM EDTSpecial Weather StatementCTPBlair, Cambria, Centre44 min
Jul 25, 4:27 PM EDTSpecial Weather StatementCTPNorthumberland, Snyder, Union48 min
Jul 25, 4:28 PM EDTSevere Thunderstorm WarningCTPColumbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 1 more77 min
Jul 25, 4:55 PM EDTSpecial Weather StatementCTPHuntingdon, Juniata, Mifflin50 min
Jul 25, 5:20 PM EDTSpecial Weather StatementCTPDauphin, Juniata, Perry40 min
Jul 25, 5:29 PM EDTSpecial Weather StatementCTPSchuylkill61 min
Jul 25, 7:10 PM EDTSpecial Weather StatementCTPTioga50 min
Jul 25, 7:58 PM EDTSpecial Weather StatementCTPTioga32 min

Nearby

Special Weather Statements in Pennsylvania, 2011Every 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.