Alert archive / Pennsylvania / Special Weather Statements in 2011

Special Weather Statement, NWS State College, PA

July 7, 2011Mifflin County, Pennsylvania

NWS State College, PA issued this special weather statement at Jul 7, 2011, 5:24 PM EDT for Mifflin County, Pennsylvania. It was in force for 36 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 7, 2011, 5:24 PM EDT (21:24 UTC)
Expired: Jul 7, 2011, 6:00 PM EDT
In force: 36 min
Issued by: NWS State College, PA

County Mifflin County, PA

The radar

The State College radar (KCCX), 32 km from the middle of the area, began a volume at 21:23 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, 9.4 hours before the alert went out and 198 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: 549 J/kg
Mixed-layer CIN: -133 J/kg
Mixed-layer LCL: 1227 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 30 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 7, 3:30 PM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Jul 7, 3:30 PM EDT, 1 hour 54 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jul 7, 4:25 AM EDT, 12 hours 59 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
425 AM EDT THU JUL 7 2011

PAZ004>006-010>012-017>019-037-041-042-045-046-080830-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-
425 AM EDT THU JUL 7 2011

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...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ024>028-033>036-049>053-056>059-063>066-080830-
CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-
FRANKLIN-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-
SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-YORK-LANCASTER-
425 AM EDT THU JUL 7 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS
AFTERNOON AND EVENING. SOME OF THE STORMS COULD PRODUCE GUSTY
WINDS.

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

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE LATER TODAY.

DANGELO

In the hours before

Local storm report, Jul 7, 3:38 PM EDT, 1 hour 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
338 PM EDT THU JUL 07 2011

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

0320 PM     TSTM WND DMG     5 NE CARLISLE SPRINGS   40.29N  77.11W
07/07/2011                   CUMBERLAND         PA   911 CALL CENTER

            TREES AND WIRES DOWN.

&&

EVENT NUMBER CTP1100297

GAD

Special weather statement, Jul 7, 3:50 PM EDT, 1 hour 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
350 PM EDT THU JUL 7 2011

PAZ064>066-072015-
ADAMS PA-LANCASTER PA-YORK PA-
350 PM EDT THU JUL 7 2011

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN ADAMS...
WEST CENTRAL LANCASTER AND WESTERN YORK COUNTIES...

AT 348 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
WEIGELSTOWN TO HANOVER TO PARKVILLE...MOVING EAST AT 15 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS. VERY HEAVY RAIN
WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO POND ON ROADS
AND FILL POOR DRAINAGE AREAS. THE RAIN WILL CAUSE RAPID RISES ON
SMALL STREAMS AND CREEKS. THESE STORMS WILL BE NEAR WEIGELSTOWN
AROUND 400 PM...SPRING GROVE AROUND 410 PM AND NEW SALEM AROUND 420
PM.

THIS WILL IMPACT I-83 BETWEEN MILE MARKERS 11 AND 31.

LAT...LON 3989 7703 4011 7695 4013 7674 4012 7672
      4013 7671 4015 7653 3994 7661 3971 7688
      3972 7723

FORECASTER: COLBERT/LACORTE

Special weather statement, Jul 7, 3:58 PM EDT, 1 hour 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
358 PM EDT THU JUL 7 2011

PAZ056-057-059-072045-
DAUPHIN PA-LEBANON PA-PERRY PA-
358 PM EDT THU JUL 7 2011

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN PERRY...
NORTHERN DAUPHIN AND NORTHWESTERN LEBANON COUNTIES...

AT 357 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
HALIFAX TO MILLERSTOWN...MOVING EAST AT 10 MPH.

WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THESE
STORMS. THESE STORMS WILL BE NEAR LIVERPOOL AROUND 430 PM...
MILLERSBURG AROUND 440 PM AND ELIZABETHVILLE AROUND 450 PM.

THIS WILL IMPACT I-81 BETWEEN MILE MARKERS 93 AND 96.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11/15...ROUTE
209.

LAT...LON 4048 7641 4045 7686 4056 7717 4061 7670
      4053 7650

FORECASTER: DEVOIR

Special weather statement, Jul 7, 4:03 PM EDT, 1 hour 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
403 PM EDT THU JUL 7 2011

PAZ066-072030-
LANCASTER PA-
403 PM EDT THU JUL 7 2011

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL LANCASTER COUNTY...

AT 401 PM EDT...A STRONG THUNDERSTORM WAS NEAR NEW HOLLAND...MOVING
EAST AT 10 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THIS STORM WILL BE NEAR
NEW HOLLAND AROUND 410 PM...NEW HOLLAND AROUND 420 PM AND GAP AROUND
430 PM.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 30...ROUTE 222...
ROUTE 322...STATE ROAD 41.

LAT...LON 4012 7590 4011 7593 4004 7593 3994 7599
      3999 7627 4017 7623 4015 7589

FORECASTER: MS

Special weather statement, Jul 7, 4:35 PM EDT, 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
435 PM EDT THU JUL 7 2011

PAZ066-072100-
LANCASTER PA-
435 PM EDT THU JUL 7 2011

...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL LANCASTER COUNTY...

AT 430 PM EDT...A STRONG THUNDERSTORM WAS NEAR NEW HOLLAND...MOVING
EAST AT 5 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. EXPECT INTENSE
LIGHTNING FROM THIS STORM. DO NOT STAY IN THE OPEN NOR SEEK SHELTER
UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A
THUNDERSTORM APPROACHES. VERY HEAVY RAIN WILL FALL FROM THIS STORM...
AND WILL CAUSE WATER TO POND ON ROADS AND FILL POOR DRAINAGE AREAS.
THE RAIN WILL CAUSE RAPID RISES ON SMALL STREAMS AND CREEKS. THIS
STORM WILL BE NEAR TERRE HILL AROUND 500 PM.

THIS WILL IMPACT THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 291
AND 295.

LAT...LON 4011 7593 4009 7593 4004 7593 3999 7596
      3999 7620 4017 7621 4020 7597 4015 7589
      4013 7589

FORECASTER: COLBERT/LA CORTE

Special weather statement, Jul 7, 5:24 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
524 PM EDT THU JUL 7 2011

PAZ019-026-027-072200-
HUNTINGDON PA-MIFFLIN PA-SOUTHERN CENTRE PA-
524 PM EDT THU JUL 7 2011

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL MIFFLIN...NORTHEASTERN
HUNTINGDON AND SOUTH CENTRAL CENTRE COUNTIES...

AT 523 PM EDT...A STRONG THUNDERSTORM WAS NEAR BOALSBURG...MOVING
EAST AT 15 MPH.

EXPECT INTENSE LIGHTNING FROM THIS STORM. DO NOT STAY IN THE OPEN NOR
SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN
A THUNDERSTORM APPROACHES. VERY HEAVY RAIN WILL FALL FROM THIS
STORM...AND WILL CAUSE WATER TO POND ON ROADS AND FILL POOR DRAINAGE
AREAS. THE RAIN WILL CAUSE RAPID RISES ON SMALL STREAMS AND CREEKS.
THIS STORM WILL BE NEAR CENTRE HALL AROUND 540 PM...POTTERS MILLS
AROUND 550 PM AND SEVEN MOUNTAINS AROUND 600 PM.

THIS WILL IMPACT I-99 BETWEEN MILE MARKERS 71 AND 76.

LAT...LON 4086 7752 4064 7753 4066 7792 4084 7792

FORECASTER: COLBERT/LACORTE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 12:22 PM EDT	Special Weather Statement	CTP	Fulton	53 min
Jul 7, 12:56 PM EDT	Special Weather Statement	CTP	Fulton	64 min
Jul 7, 1:56 PM EDT	Special Weather Statement	CTP	Franklin	64 min
Jul 7, 1:59 PM EDT	Special Weather Statement	CTP	Bedford, Fulton	76 min
Jul 7, 2:27 PM EDT	Special Weather Statement	CTP	Cumberland	63 min
Jul 7, 2:52 PM EDT	Special Weather Statement	CTP	Perry	23 min
Jul 7, 3:01 PM EDT	Areal Flood Advisory	CTP	Cumberland	3 hr
Jul 7, 3:07 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Perry, York	53 min
Jul 7, 3:12 PM EDT	Special Weather Statement	CTP	Blair	33 min
Jul 7, 3:50 PM EDT	Special Weather Statement	CTP	York	25 min
Jul 7, 3:58 PM EDT	Special Weather Statement	CTP	Dauphin	47 min
Jul 7, 4:02 PM EDT	Areal Flood Advisory	CTP	Adams, Lancaster, York	3 hr
Jul 7, 4:03 PM EDT	Special Weather Statement	CTP	Lancaster	27 min
Jul 7, 4:35 PM EDT	Special Weather Statement	CTP	Lancaster	25 min
Jul 7, 4:42 PM EDT	Areal Flood Advisory	CTP	Lancaster	3 hr
Jul 7, 5:48 PM EDT	Areal Flood Advisory	CTP	Bedford, Franklin, Fulton, Huntingdon	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.