Alert archive / Pennsylvania / Special Weather Statements in 2009

Special Weather Statement, NWS State College, PA

August 2, 2009Cumberland County, Franklin County, Pennsylvania

NWS State College, PA issued this special weather statement at Aug 2, 2009, 7:22 PM EDT for Cumberland County, Franklin County, Pennsylvania. It was in force for 68 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
Aug 2, 2009, 7:22 PM EDT (23:22 UTC)
Expired
Aug 2, 2009, 8:30 PM EDT
In force
68 min
Issued by
NWS State College, PA

Counties Cumberland County, PA, Franklin County, PA

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.4 hours before the alert went out and 120 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 12:00Z on 2009-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 633 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 12:00Z on 2009-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
633 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
689 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 Aug 2, 2:45 PM EDT, 4 hours 37 minutes earlier.

Area forecast discussion, Aug 2, 2:45 PM EDT, 4 hours 37 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, Aug 2, 3:07 PM EDT, 4 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
307 PM EDT SUN AUG 2 2009

PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-
056>059-063>066-031915-
WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-
NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-
JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-
SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-
ADAMS-YORK-LANCASTER-
307 PM EDT SUN AUG 2 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.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.

In the hours before

Local storm report, Aug 2, 4:03 PM EDT, 3 hours 19 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE STATE COLLEGE PA
403 PM EDT SUN AUG 02 2009

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

0802 AM     HEAVY RAIN       CARROLL VALLEY          39.75N 77.38W
08/02/2009  E0.90 INCH       ADAMS              PA   TRAINED SPOTTER

            0.90 INCHES OF RAIN WERE REPORTED IN CARROLL VALLEY
            WITHIN THE PAST 15 MINUTES. TOMS CREEK WAS ALSO AT 3/4
            BANKFULL.

0815 AM     TSTM WND DMG     5 E JONESTOWN           40.41N 76.39W
08/02/2009                   LEBANON            PA   LAW ENFORCEMENT

            THREE REPORTS OF ONE TREE DOWN IN BETHEL TOWNSHIP.

0830 AM     TSTM WND DMG     2 ENE EMIGSVILLE        40.02N 76.70W
08/02/2009                   YORK               PA   LAW ENFORCEMENT

            TREES AND WIRES DOWN REPORTED IN SPRINGETTSBURY TOWNSHIP

0839 AM     TSTM WND DMG     RED LION                39.90N 76.61W
08/02/2009                   YORK               PA   LAW ENFORCEMENT

            TREES AND WIRES DOWN REPORTED IN RED LION

1030 AM     FLASH FLOOD      CORNWALL                40.27N 76.41W
08/02/2009                   LEBANON            PA   LAW ENFORCEMENT

            FLOODING AND PONDING ON ROADS WAS REPORTED OVER ROADWAYS
            ON ROUTES 72 AND ROUTE 322 SOUTHBOUND

1120 AM     FLASH FLOOD      5 ENE BETHEL            39.85N 76.07W
08/02/2009                   LANCASTER          PA   LAW ENFORCEMENT

            2 FEET OF FLOODING REPORTED IN COLERAIN TOWNSHIP NEAR
            SPRUCE GRAVE ROAD.

&&
TIMES CHANGED BASED ON RADAR AND COORDINATION WITH LOCAL 911 CENTERS.

STEINBUGL
Special weather statement, Aug 2, 6:38 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
638 PM EDT SUN AUG 2 2009

PAZ026-028-036-056-063-022330-
CUMBERLAND PA-FRANKLIN PA-HUNTINGDON PA-JUNIATA PA-PERRY PA-
638 PM EDT SUN AUG 2 2009

...STRONG THUNDERSTORMS WILL AFFECT NORTHERN FRANKLIN...SOUTHEASTERN
HUNTINGDON...SOUTHWESTERN JUNIATA...SOUTHWESTERN PERRY AND WESTERN
CUMBERLAND COUNTIES...

AT 638 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 20 MILES
NORTHWEST OF SHIPPENSBURG TO 16 MILES NORTHWEST OF SHIPPENSBURG TO 18
MILES NORTHWEST OF CHAMBERSBURG...MOVING SOUTHEAST AT 20 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

THESE STORMS WILL BE NEAR DOYLESBURG AROUND 645 PM...BIG SPRING STATE
PARK...WILLOW HILL...AND AMBERSON VALLEY AROUND 650 PM...FANNETTSBURG
AROUND 655 PM...ROXBURY AROUND 700 PM...ROXBURY AROUND 705 PM...
NEWBURG AND UPPER STRASBURG AROUND 710 PM.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 185 AND 218...I-81 BETWEEN
MILE MARKERS 12 AND 41.

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

LAT...LON 4003 7790 4006 7787 4010 7791 4011 7800
      4023 7787 4037 7779 4037 7776 4041 7772
      4019 7727 4000 7737 4000 7740 3996 7747
      3992 7748 3984 7762

EXPERIMENTAL

FORECASTER: JUNG
Special weather statement, Aug 2, 7:22 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
722 PM EDT SUN AUG 2 2009

PAZ036-056-063>065-030030-
ADAMS PA-CUMBERLAND PA-FRANKLIN PA-PERRY PA-YORK PA-
722 PM EDT SUN AUG 2 2009

...STRONG THUNDERSTORMS WILL AFFECT CUMBERLAND...FRANKLIN...NORTHERN
ADAMS...NORTHWESTERN YORK AND SOUTH CENTRAL PERRY COUNTIES...

AT 716 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 8 MILES
NORTH OF CARLISLE TO 12 MILES WEST OF CHAMBERSBURG...MOVING
SOUTHEAST 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 NEWVILLE...AND ST. THOMAS AROUND 730 PM...
CARLISLE SPRINGS AROUND 735 PM...SHIPPENSBURG AROUND 740 PM...
CARLISLE...SCOTLAND...AND CHAMBERSBURG AROUND 745 PM...WALNUT
BOTTOM...AND HOGESTOWN AROUND 750 PM AND MARION AROUND 755 PM.

THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE
PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 204 AND 240...I-81 BETWEEN
MILE MARKERS 5 AND 56...I-83 NEAR MILE MARKER 34.

THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 11...ROUTE
15...ROUTE 30...STATE ROAD 94.

LAT...LON 3992 7791 4011 7764 4026 7748 4036 7723
      4016 7680 4007 7690 3972 7747 3972 7762

EXPERIMENTAL

FORECASTER: DEVOIR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 11:33 PM EDTSpecial Weather StatementCTPAdams27 min
Aug 2, 12:36 AM EDTAreal Flood AdvisoryCTPAdams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more3 hr
Aug 2, 2:14 AM EDTSpecial Weather StatementCTPLebanon, Schuylkill61 min
Aug 2, 2:29 AM EDTAreal Flood AdvisoryCTPColumbia, Lycoming, Montour, Northumberland, Schuylkill, Snyder and 1 more3 hr
Aug 2, 3:35 AM EDTSpecial Weather StatementCTPColumbia, Montour55 min
Aug 2, 4:14 AM EDTSpecial Weather StatementCTPLancaster, York61 min
Aug 2, 5:08 AM EDTFlash Flood WatchCTPAdams, Bedford, Columbia, Cumberland, Dauphin, Franklin and 15 more10 hr
Aug 2, 5:08 AM EDTSpecial Weather StatementCTPLancaster52 min
Aug 2, 5:27 AM EDTAreal Flood AdvisoryCTPAdams, Lancaster, York3 hr
Aug 2, 7:08 AM EDTSpecial Weather StatementCTPAdams52 min
Aug 2, 7:30 AM EDTSevere Thunderstorm WarningCTPAdams, York60 min
Aug 2, 8:18 AM EDTSpecial Weather StatementCTPLancaster27 min
Aug 2, 8:19 AM EDTAreal Flood AdvisoryCTPAdams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more3 hr
Aug 2, 8:29 AM EDTSevere Thunderstorm WarningCTPAdams, Dauphin, Lancaster, Lebanon, York61 min
Aug 2, 9:36 AM EDTFlash Flood WarningCTPLancaster, Lebanon, York3 hr
Aug 2, 9:53 AM EDTSpecial Weather StatementCTPLancaster37 min
Aug 2, 6:38 PM EDTSpecial Weather StatementCTPFranklin52 min
Aug 2, 7:49 PM EDTFlash Flood WarningCTPCumberland107 min

Nearby

Special Weather Statements in Pennsylvania, 2009Every special weather statement in 2009

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.