Alert archive / Pennsylvania / Special Weather Statements in 2012

Special Weather Statement, NWS State College, PA

May 3, 2012Franklin County, Pennsylvania

NWS State College, PA issued this special weather statement at May 3, 2012, 8:10 PM EDT for Franklin County, Pennsylvania. It was in force for 65 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 3, 2012, 8:10 PM EDT (00:10 UTC)
Expired
May 3, 2012, 9:15 PM EDT
In force
65 min
Issued by
NWS State College, PA

County Franklin County, PA

The radar

The Sterling radar (KLWX), 103 km from the middle of the area, began a volume at 00:11 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 0.2 hours before the alert went out and 109 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, Washington/Dulle, VA at 00:00Z on 2012-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1379 joules per kilogram.LCLLFCEL10008507005003002001001 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, Washington/Dulle, VA at 00:00Z on 2012-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939Sfc1 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
1379 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1248 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
143 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 3, 7:51 PM EDT, 19 minutes earlier.

Area forecast discussion, May 3, 7:51 PM EDT, 19 minutes before
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Hazardous weather outlook, May 3, 2:15 AM EDT, 17 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
215 AM EDT THU MAY 3 2012

PAZ006-012-018-019-026>028-035>037-041-042-045-046-049>053-056>059-
063>066-040615-
POTTER-NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-HUNTINGDON-
MIFFLIN-JUNIATA-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-
ADAMS-YORK-LANCASTER-
215 AM EDT THU MAY 3 2012

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.

AN APPROACHING COLD FRONT WILL PRODUCE LATE DAY THUNDERSTORMS
ACROSS THE AREA ON FRIDAY. THERE IS A SLIGHT CHANCE THAT SOME OF
THESE STORMS COULD PRODUCE DAMAGING WIND GUSTS OR LARGE HAIL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ004-005-010-011-017-024-025-033-034-040615-
WARREN-MCKEAN-ELK-CAMERON-CLEARFIELD-CAMBRIA-BLAIR-SOMERSET-BEDFORD-
215 AM EDT THU MAY 3 2012

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.

In the hours before

Special weather statement, May 3, 6:45 PM EDT, 1 hour 25 minutes before
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Special weather statement, May 3, 6:56 PM EDT, 1 hour 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
656 PM EDT THU MAY 3 2012

PAZ050>053-057>059-040000-
COLUMBIA PA-DAUPHIN PA-LEBANON PA-MONTOUR PA-NORTHUMBERLAND PA-
SCHUYLKILL PA-SNYDER PA-
656 PM EDT THU MAY 3 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT EASTERN SNYDER...
NORTHERN DAUPHIN...NORTHERN LEBANON...NORTHUMBERLAND...SOUTHERN
COLUMBIA...SOUTHERN MONTOUR AND WESTERN SCHUYLKILL COUNTIES...

AT 653 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
RIVERSIDE TO TREVORTON TO REBUCK TO ELIZABETHVILLE TO HALIFAX...
MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
THESE STORMS WILL AFFECT ELYSBURG...CATAWISSA...MAINVILLE...MOUNT
CARMEL...PINE GROVE AND FRACKVILLE.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...
I-78 BETWEEN MILE MARKERS 0 AND 8...I-81 BETWEEN MILE MARKERS 82 AND
123.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...STATE HIGHWAY
147...ROUTE 11...ROUTE 11/15...ROUTE 15...ROUTE 22...ROUTE 209...
ROUTE 522...STATE ROAD 61...STATE ROAD 501.

LAT...LON 4051 7627 4051 7634 4049 7643 4041 7629
      4039 7629 4039 7696 4089 7689 4089 7682
      4095 7688 4098 7688 4097 7620

FORECASTER: MARTIN
Special weather statement, May 3, 7:05 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
705 PM EDT THU MAY 3 2012

PAZ035-036-032330-
FRANKLIN PA-FULTON PA-
705 PM EDT THU MAY 3 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN FULTON AND SOUTHWESTERN
FRANKLIN COUNTIES...

AT 702 PM EDT...A STRONG THUNDERSTORM WAS NEAR COVE MILLS...MOVING
EAST AT 10 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL 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. THIS STORM WILL AFFECT BIG COVE TANNERY
AND CLAYLICK.

THIS WILL IMPACT I-70 BETWEEN MILE MARKERS 159 AND 170.

THIS WILL ALSO IMPACT ROUTE 522.

LAT...LON 3978 7833 3985 7829 3987 7798 3972 7771
      3972 7826

FORECASTER: EVANEGO
Special weather statement, May 3, 7:30 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
730 PM EDT THU MAY 3 2012

PAZ034>036-040015-
BEDFORD PA-FRANKLIN PA-FULTON PA-
730 PM EDT THU MAY 3 2012

...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN BEDFORD...SOUTHERN
FULTON AND SOUTHWESTERN FRANKLIN COUNTIES...

AT 727 PM EDT...A STRONG THUNDERSTORM WAS NEAR COVE MILLS...MOVING
EAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
SOME TOWNS AFFECTED BY THESE STORMS WILL INCLUDE NEEDMORE...BIG COVE
TANNERY AND CLAYLICK.

THIS WILL IMPACT I-70 BETWEEN MILE MARKERS 153 AND 170.

THIS WILL ALSO IMPACT ROUTE 522.

LAT...LON 3983 7845 3995 7832 3986 7783 3972 7779
      3971 7814

FORECASTER: EVANEGO
Special weather statement, May 3, 7:32 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
732 PM EDT THU MAY 3 2012

PAZ057-059-063-066-040030-
CUMBERLAND PA-DAUPHIN PA-LANCASTER PA-LEBANON PA-
732 PM EDT THU MAY 3 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CUMBERLAND...
NORTHWESTERN LANCASTER...SOUTHERN DAUPHIN AND SOUTHERN LEBANON
COUNTIES...

AT 731 PM EDT...A STRONG THUNDERSTORM WAS NEAR COLONIAL PARK...MOVING
EAST AT 20 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL AFFECT SKYLINE VIEW...HUMMELSTOWN...HERSHEY...
CAMPBELLTOWN...ANNVILLE AND MOUNT GRETNA.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 238 AND 275...I-81 BETWEEN
MILE MARKERS 64 AND 84...I-83 BETWEEN MILE MARKERS 40 AND 50...I-283.

LAT...LON 4011 7630 4017 7675 4022 7684 4021 7689
      4022 7690 4020 7691 4020 7699 4032 7694
      4033 7691 4035 7693 4042 7691 4040 7627
      4037 7624

FORECASTER: MARTIN
Special weather statement, May 3, 8:10 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
810 PM EDT THU MAY 3 2012

PAZ035-036-040115-
FRANKLIN PA-FULTON PA-
810 PM EDT THU MAY 3 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN FRANKLIN AND SOUTHERN
FULTON COUNTIES...

AT 806 PM EDT...A STRONG THUNDERSTORM WAS NEAR COVE MILLS...MOVING
EAST AT 20 MPH.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.
THIS STORM WILL AFFECT BIG COVE TANNERY...CLAYLICK...GREENCASTLE AND
MARION.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...
I-70 BETWEEN MILE MARKERS 164 AND 170...I-81 BETWEEN MILE MARKERS 1
AND 13.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11...ROUTE
522.

LAT...LON 3990 7822 3990 7756 3972 7757 3972 7824

FORECASTER: MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 8:00 PM EDTAreal Flood AdvisoryCTPBedford, Franklin, Fulton3 hr
May 4, 12:27 AM EDTSpecial Weather StatementCTPMcKean33 min
May 4, 12:46 AM EDTSevere Thunderstorm WarningCTPMcKean, Potter, Warren59 min
May 4, 3:22 AM EDTSpecial Weather StatementCTPColumbia, Montour, Union68 min
May 4, 1:44 PM EDTSpecial Weather StatementCTPDauphin46 min
May 4, 3:20 PM EDTSpecial Weather StatementCTPSchuylkill25 min
May 4, 4:57 PM EDTSpecial Weather StatementCTPCameron48 min
May 4, 5:48 PM EDTSpecial Weather StatementCTPDauphin27 min
May 4, 6:08 PM EDTSpecial Weather StatementCTPDauphin37 min
May 4, 6:11 PM EDTSevere Thunderstorm WarningCTPDauphin, Perry34 min
May 4, 7:18 PM EDTSpecial Weather StatementCTPPerry27 min

Nearby

Special Weather Statements in Pennsylvania, 2012Every 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.