Alert archive / Pennsylvania / Areal Flood Advisories in 2009

Areal Flood Advisory 51, NWS Philadelphia/Mount Holly

August 2, 20095 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this areal flood advisory at Aug 2, 2009, 4:06 PM EDT for 5 counties in Pennsylvania. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Aug 2, 2009, 4:06 PM EDT (20:06 UTC)
Expired
Aug 2, 2009, 8:00 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Berks County, PA, Carbon County, PA, Lehigh County, PA, Monroe County, PA, Northampton County, PA

What forecasters said that day

The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this areal flood advisory went out at Aug 2, 3:05 PM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Aug 2, 3:05 PM EDT, 1 hour 1 minute before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
305 PM EDT SUN AUG 2 2009

.SYNOPSIS...
A COLD FRONT WILL COME DOWN FROM THE NORTHWEST AND CROSS THE REGION
TONIGHT BEFORE STALLING TO THE SOUTH. ANOTHER COLD FRONT IS EXPECTED
TO CROSS THE AREA ON WEDNESDAY AND MIGHT MAKE IT A BIT FARTHER SOUTH
INTO DELMARVA THAN ITS PREDECESSORS BEFORE DISSIPATING. THIS WOULD
PERMIT A HIGH PRESSURE SYSTEM TO BUILD INTO THE NORTHERN MIDDLE
ATLANTIC STATES FOR THE END OF THE WORK WEEK. A WARM FRONT IS THEN
EXPECTED TO START MOVING TOWARD THE REGION FOR NEXT WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...
THE WRF-NMM AND GFS HAVE FLIPPED WITH THE 12Z ANALYSIS WITH THE GFS
HAVING THE BETTER ONE TODAY. THE ONLY RELATIVE BENEFIT OF THE
THUNDERSTORMS GOING TO TOWN QUICKLY TODAY IS THAT IT HAS CUT DOWN,
BUT NOT ELIMINATED ALL OF THE SEVERE WEATHER. FLASH FLOODING IS
ANOTHER PROBLEM AS A THIRD ROUND OF HEAVY RAIN WAS TOO MUCH FOR
STREAMS AND CREEKS TO HANDLE. DOPPLER RADAR STORM TOTAL ESTIMATES
REACHED AROUND 4.5 INCHES FROM CHESTER COUNTY NORTHEAST INTO BUCKS
COUNTY. OUR RADAR UNDERESTIMATED IN HUNTERDON COUNTY, BUT SIMILAR
AMOUNTS WERE REPORTED IN THAT COUNTY.

THE STRONG SHORT WAVE AND LLVL THETA E AXIS ARE EXITING THE COAST AS
WE SPEAK. THEY COINCIDED WITH THE ENTRANCE REGION OF THE H2.5 JET
AND MADE FOR A PERFECTLY TIMED COUPLET FOR HEAVY RAIN. WHILE THE
COLD FRONT IS STILL FARTHER TO THE W AND THERE IS AVAILABLE
INSTABILITY, THE UPPER AIR SUPPORT IS NOT AS ROBUST AS IT IS
SHIFTING OFFSHORE. THUS WE WILL CANCEL THE FLASH FLOOD WATCH.

THE WRF-NMM HAD THE RIGHT IDEA YESTERDAY AS PCPN CHANCES SHOULD
DIMINISH BEFORE DAWN ACROSS OUR CWA AND POPS AND GRIDS FOLLOW THIS
THOUGHT AS THE GFS IS ALSO NOW FORECASTING. WITH ALL OF THE HEAVY
RAIN WE HAVE ADDED FOG TO THE GRIDS FOR ALL LAND AREAS.

&&

.SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/...
WE ARE GOING TO GO WITH THE PAST PERFORMANCE AND FUTURE TRENDS
CAVEAT FOR MONDAY. THE DAY AFTER THESE EVENTS, WE HAVE LITTLE
IF ANY CONVECTION. THE WRF-NMM FCST SOUNDING IS SHOWING A CAP
EVERYWHERE EXCEPT IN OUR DELMARVA ZONES. THE GFS HAS ALL AREAS
CAPPED. SO IF OUR DRY TURN FOR MONDAY IS WRONG, IT WOULD BE IN OUR
SRN CWA. STAT GUIDANCE LOOKS REASONABLE FOR MAX TEMPS.

NO PCPN EXPECTED FOR MON NIGHT AND WITH THE DROP IN DEW POINTS
EXPECTED TO OCCUR, AREAS AWAY FROM THE COAST AND URBAN AREAS MIGHT
HAVE A PLEASANT SLEEPING NIGHT AS WE ARE NOT EXPECTING MANY
CLOUDS.

FORECAST SOUNDINGS FOR TUESDAY ARE NOT CAPPED. BUT AS IS OFTEN IS
THE CASE WITHOUT AN EXPECTED ATMOSPHERIC TRIGGER, THE AREAL COVERAGE
OF TSRAS TENDS TO UNDERWHELM. WE THUS HAVE USED OUR COLLABORATIVE
EFFORT STUDY WITH KEAN COLLEGE TO LIMIT MENTION OF TSRAS IN THE MORE
FAVORABLE AREAS UNDER SOUTHWEST FLOW. FULL SUN MACROS LEAN MORE
TOWARD NAM MOS THAN GFS MOS FOR MIN TEMPS.

&&

.LONG TERM /WEDNESDAY THROUGH SUNDAY/...
THE NEXT ORGANIZED THREAT FOR SEVERE WEATHER AND OR FLOODING WOULD
BE ON WEDNESDAY. THERE ARE STILL MODEL DIFFERENCES AS TO THE COLD
FRONTAL PASSAGE. IN THE SUMMER ITS NEVER GOOD TO BE ON THE FAST END
OF THE ENVELOPE, SO WE HAVE DECIDED TO GO WITH THE SLOWER MODEL
SOLUTIONS AND KEEP A HEALTHY CHANCE GOING.

UNFORTUNATELY BEYOND THIS THE EXTENDED PATTERN HAS NOT CHANGED MUCH
IN THE PAST COUPLE OF WEEKS. MULTIPLE WAVES OF LOW PRESSURE RIDE
ALONG A STALLED FRONTAL SYSTEM PARKED OVER THE REGION. HIGH PRESSURE
TRIES TO DRY US OUT ON THURSDAY AND FRIDAY BUT WITH THE FRONT STILL
WAVERING SOUTH OF THE REGION, WE COULD SEE ANOTHER ROUND OF
PRECIPITATION SHOULD IT DECIDED TO MOVE FURTHER NORTH.

&&

.AVIATION /19Z SUNDAY THROUGH FRIDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG,
KILG, KMIV, KACY AND SURROUNDING AREAS.

A RATHER HECTIC DAY FOR THE AVIATION COMMUNITY. A LINE OF STRONG TO
SEVERE THUNDERSTORMS MOVED THROUGH MOST OF THE AREA LATE IN THE
MORNING AND EARLY AFTERNOON, AND IS NOW PUSHING OF THE COAST. THESE
STORMS BROUGHT STRONG WINDS AND IFR CONDITIONS TO MUCH OF THE AREA.
BEHIND THE LINE OF STORMS, CONDITIONS STILL REMAIN VARIABLE BETWEEN
VFR AND MVFR, WITH AN ISOLATED IFR TAF OR TWO. THERE MAY BE A BREAK
IN THE CLOUDS LATER IN THE AFTERNOON, SO THERE MAY BE SOME
CONVECTION. HOWEVER, IT LOOKS TO BE ISOLATED, SO WE WILL NOT INCLUDE
THE MENTION OF THUNDER IN THE TAFS, ONLY SHOWERS WITH A CB IN THE
CLOUD GROUP. THE COLD FRONT IS NOT EXPECTED TO MOVE THROUGH TILL
AROUND MIDNIGHT OR AFTER. WITH THE SUBSTANTIAL AMOUNT OF MOISTURE
THAT WILL REMAIN FROM THE HEAVY RAIN THIS AFTERNOON, AND WITH WINDS
LIKELY TO BE LIGHT OR CALM OVERNIGHT, THERE IS A CHANCE OF LOW
CLOUDS OR FOG TOWARD SUNRISE TOMORROW. AFTER SUNRISE, ANY LOW
CLOUDS/FOG WILL DISSIPATE PRETTY RAPIDLY, AND TOMORROW SHOULD TURN
OUT TO BE A PRETTY NICE DAY.

OUTLOOK...
THERE IS ANOTHER CHANCE OF STRONG TO SEVERE STORMS AGAIN ON
WEDNESDAY AS ANOTHER COLD FRONT WILL BE APPROACHING THE AREA. AFTER
THAT, THERE MAY BE A SLIGHT CHANCE OF A SHOWER OR THUNDERSTORM FOR
THE REST OF THE WEEK.

&&

.MARINE...
SHOWERS AND THUNDERSTORMS ARE OCCURRING LATE THIS AFTERNOON, AND
WILL BE PUSHING FURTHER OFFSHORE THIS EVENING. BEHIND THESE STORMS,
CONDITIONS WILL REMAIN CALM, EVEN AS A COLD FRONT MOVES THROUGH LATE
TONIGHT INTO EARLY TOMORROW MORNING.  HIGH PRESSURE WILL THEN BUILD
IN FOR MONDAY THROUGH MIDWEEK.  ANOTHER COLD FRONT WILL APPROACH THE
REGION AROUND WEDNESDAY.  IT APPEARS THAT WINDS AND SEAS OUTSIDE OF
TSTMS WILL REMAIN BELOW SMALL CRAFT ADVISORY CRITERIA FOR THE REST
OF THE WEEK.

&&

.PHI WATCHES/WARNINGS/ADVISORIES...
PA...NONE.
NJ...NONE.
DE...NONE.
MD...NONE.
MARINE...NONE.

&&

SYNOPSIS...GIGI
NEAR TERM...GIGI
SHORT TERM...GIGI
LONG TERM...HEAVENER
AVIATION...ROBERTSON
MARINE...ROBERTSON
Hazardous weather outlook, Aug 2, 2:43 AM EDT, 13 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
243 AM EDT SUN AUG 2 2009

DEZ001-MDZ008-NJZ001-007>010-012-013-015-017>019-PAZ054-055-060>062-
067>071-031000-
NEW CASTLE-CECIL-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-MIDDLESEX-
WESTERN MONMOUTH-MERCER-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-CHESTER-MONTGOMERY-BUCKS-
DELAWARE-PHILADELPHIA-
243 AM EDT SUN AUG 2 2009

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN DELAWARE...NORTHEAST
MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW
JERSEY...SOUTHERN NEW JERSEY...EAST CENTRAL
PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND SOUTHEAST PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

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

   FLASH FLOOD WATCH.

ALSO, THE STORM PREDICTION CENTER HAS PLACED THE REGION UNDER A
SLIGHT RISK FOR SEVERE THUNDERSTORMS. ANY THUNDERSTORMS COULD HAVE
STRONG GUSTY WINDS, VERY HEAVY RAINFALL AND DANGEROUS CLOUD TO
GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

NJZ014-024>026-031000-
EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-
COASTAL OCEAN-
243 AM EDT SUN AUG 2 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW JERSEY AND
SOUTHERN NEW JERSEY.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A MODERATE RISK OF RIP CURRENTS TODAY.

ANY THUNDERSTORMS THAT DEVELOP THROUGH THIS EVENING COULD HAVE
VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND CLOUD TO GROUND
LIGHTNING. THE STORM PREDICTION CENTER HAS PLACED THE REGION
UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

DEZ002-003-MDZ012-015-019-020-NJZ016-020>023-027-031000-
KENT-INLAND SUSSEX-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-SALEM-OCEAN-
CUMBERLAND-ATLANTIC-CAPE MAY-SOUTHEASTERN BURLINGTON-
243 AM EDT SUN AUG 2 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...SOUTHERN
DELAWARE...NORTHEAST MARYLAND AND SOUTHERN NEW JERSEY.

.DAY ONE...TODAY AND TONIGHT.

ANY THUNDERSTORMS THAT DEVELOP THROUGH THIS EVENING COULD HAVE
VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND DANGEROUS CLOUD TO
GROUND LIGHTNING. THE STORM PREDICTION CENTER HAS PLACED THE
REGION UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

DEZ004-031000-
DELAWARE BEACHES-
243 AM EDT SUN AUG 2 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE.

.DAY ONE...TODAY AND TONIGHT.

ANY THUNDERSTORMS THAT DEVELOP THROUGH THIS EVENING COULD HAVE
VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND DANGEROUS CLOUD TO
GROUND LIGHTNING. THE STORM PREDICTION CENTER HAS PLACED THE
REGION UNDER A SLIGHT RISK FOR SEVERE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

ANZ430-431-450>455-031000-
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE-
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM-
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM-
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM-
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM-
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM-
243 AM EDT SUN AUG 2 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS AND
DELAWARE BAY WATERS.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORMS TODAY COULD HAVE STRONG GUSTY WINDS AND VERY HEAVY
RAINFALL AS WELL AS DANGEROUS CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

RNS

In the hours before

Local storm report, Aug 2, 11:12 AM EDT, 4 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1112 AM EDT SUN AUG 02 2009

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

0748 AM     TSTM WND GST     2 NW EWING              40.29N 74.83W
08/02/2009  E64.00 MPH       MERCER             NJ   EMERGENCY MNGR

            64 MPH WIND GUST WAS MEASURED AT TRENTON/MERCER COUNTY
            AIRPORT. A COUPLE OF PLANES WERE FLIPPED ON THEIR SIDE
            AND THERE WAS DAMAGE TO A HANGAR.

1020 AM     TSTM WND DMG     PERRYVILLE              39.57N 76.07W
08/02/2009                   CECIL              MD   EMERGENCY MNGR

            NUMEROUS TREES DOWN IN PERRYVILLE.

1035 AM     FLASH FLOOD      OXFORD                  39.79N 75.98W
08/02/2009                   CHESTER            PA   EMERGENCY MNGR

            ROADWAY FLOODING IN OXFORD.

1100 AM     HAIL             WILMINGTON              39.73N 75.53W
08/02/2009  E0.50 INCH       NEW CASTLE         DE   TRAINED SPOTTER

            DIME SIZE HAIL IN WILMINGTON.

1100 AM     TSTM WND DMG     WILMINGTON MANOR        39.73N 75.53W
08/02/2009                   NEW CASTLE         DE   TRAINED SPOTTER

            SMALL BRANCHES DOWN IN WILMINGTON.

&&

HEAVENER
Special weather statement, Aug 2, 12:02 PM EDT, 4 hours 4 minutes before
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Local storm report, Aug 2, 1:06 PM EDT, 3 hours before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
106 PM EDT SUN AUG 02 2009

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

0748 AM     TSTM WND GST     2 NW EWING              40.29N 74.83W
08/02/2009  E64.00 MPH       MERCER             NJ   EMERGENCY MNGR

            64 MPH WIND GUST WAS MEASURED AT TRENTON/MERCER COUNTY
            AIRPORT. A COUPLE OF PLANES WERE FLIPPED ON THEIR SIDE
            AND THERE WAS DAMAGE TO A HANGAR.

1020 AM     FUNNEL CLOUD     PERRYVILLE              39.57N 76.07W
08/02/2009                   CECIL              MD   EMERGENCY MNGR

            NUMEROUS TREES DOWN IN PERRYVILLE WITH FUNNEL CLOUD
            REPORTED.

1035 AM     FLASH FLOOD      OXFORD                  39.79N 75.98W
08/02/2009                   CHESTER            PA   EMERGENCY MNGR

            FLASH FLOODING IN PINE GROVE.

1035 AM     FLASH FLOOD      OXFORD                  39.79N 75.98W
08/02/2009                   CHESTER            PA   EMERGENCY MNGR

            ROADWAY FLOODING IN OXFORD.

1055 AM     HEAVY RAIN       3 E ANNANDALE           40.64N 74.84W
08/02/2009  M0.56 INCH       HUNTERDON          NJ   TRAINED SPOTTER

            0.56 INCHES IN 10 MINUTES.

1100 AM     HAIL             WILMINGTON              39.73N 75.53W
08/02/2009  E0.50 INCH       NEW CASTLE         DE   TRAINED SPOTTER

            DIME SIZE HAIL IN WILMINGTON.

1100 AM     TSTM WND DMG     WILMINGTON MANOR        39.73N 75.53W
08/02/2009                   NEW CASTLE         DE   TRAINED SPOTTER

            SMALL BRANCHES DOWN IN WILMINGTON.

1113 AM     HEAVY RAIN       ELKTON                  39.60N 75.82W
08/02/2009  E1.75 INCH       CECIL              MD   TRAINED SPOTTER

            1.75 INCHES IN ONE HOUR.

1120 AM     HEAVY RAIN       DREXEL HILL             39.95N 75.30W
08/02/2009  M1.00 INCH       DELAWARE           PA   TRAINED SPOTTER

            1 INCH AND HOUR AND 1.65 IN 40 MINUTES.

1120 AM     TSTM WND DMG     DREXEL HILL             39.95N 75.30W
08/02/2009                   DELAWARE           PA   TRAINED SPOTTER

            NUMEROUS TREES AND BRANCHES DOWN THROUGHOUT THE COUNTY.

1120 AM     FLASH FLOOD      DREXEL HILL             39.95N 75.30W
08/02/2009                   DELAWARE           PA   TRAINED SPOTTER

            WATER RESCUES WERE PREFORMED IN HAVERFORD AND UPPER
            DARBY.

1128 AM     HEAVY RAIN       SPRINGTOWN              40.56N 75.29W
08/02/2009  E2.00 INCH       BUCKS              PA   TRAINED SPOTTER

            2 INCHES AND ROAD FLOODING.

1148 AM     TSTM WND DMG     ELKTON                  39.60N 75.82W
08/02/2009                   CECIL              MD   EMERGENCY MNGR

            NUMEROUS TREES DOWN.

1150 AM     FLASH FLOOD      AMBLER                  40.16N 75.22W
08/02/2009                   MONTGOMERY         PA   TRAINED SPOTTER

            BUTLER PIKE FLOODED WITH LANDSLIDE INTO THE ROAD.

1210 PM     HEAVY RAIN       EWING                   40.27N 74.80W
08/02/2009  E1.00 INCH       MERCER             NJ   TRAINED SPOTTER

            OVER 1 INCH AND HOUR RATES.

1215 PM     FLASH FLOOD      LANGHORNE               40.18N 74.92W
08/02/2009                   BUCKS              PA   PUBLIC

            NESHAMINY CREEK STARTING TO FLOOD.

1215 PM     FLASH FLOOD      HIGH BRIDGE             40.67N 74.90W
08/02/2009                   HUNTERDON          NJ   AMATEUR RADIO

            CINDER BLOCKS SWEPT AWAY FROM CONSTRUCTION SITE.

0100 PM     HEAVY RAIN       4 N EDINBURG            40.32N 74.62W
08/02/2009  E1.00 INCH       MIDDLESEX          NJ   TRAINED SPOTTER

            OVER 1 INCH AND HOUR RATES.

&&

HEAVENER/ROBERTSON
Special weather statement, Aug 2, 1:24 PM EDT, 2 hours 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
124 PM EDT SUN AUG 2 2009

NJZ020-022>026-021830-
ATLANTIC NJ-ATLANTIC COASTAL CAPE MAY NJ-CAPE MAY NJ-
COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-OCEAN NJ-
124 PM EDT SUN AUG 2 2009

...STRONG THUNDERSTORMS APPROACHING THE JERSEY SHORE...

AT 120 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS APPROACHING THE JERSEY SHORE FROM THE
WEST.  THE THUNDERSTORMS WILL AFFECT COMMUNITIES ALONG THE JERSEY
SHORE BETWEEN 130 PM AND 230 PM.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER
TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.

WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.

EXPECT INTENSE LIGHTNING FROM THESE STORMS.  LEAVE THE BEACH AND
SEEK SHELTER INDOORS UNTIL THE STORMS PASS.

IOVINO
Local storm report, Aug 2, 3:01 PM EDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
301 PM EDT SUN AUG 02 2009

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

0748 AM     TSTM WND GST     2 NW EWING              40.29N 74.83W
08/02/2009  E64.00 MPH       MERCER             NJ   EMERGENCY MNGR

            64 MPH WIND GUST WAS MEASURED AT TRENTON/MERCER COUNTY
            AIRPORT. A COUPLE OF PLANES WERE FLIPPED ON THEIR SIDE
            AND THERE WAS DAMAGE TO A HANGAR.

1020 AM     FUNNEL CLOUD     PERRYVILLE              39.57N 76.07W
08/02/2009                   CECIL              MD   EMERGENCY MNGR

            NUMEROUS TREES DOWN IN PERRYVILLE WITH FUNNEL CLOUD
            REPORTED.

1035 AM     FLASH FLOOD      OXFORD                  39.79N 75.98W
08/02/2009                   CHESTER            PA   EMERGENCY MNGR

            ROADWAY FLOODING IN OXFORD.

1035 AM     FLASH FLOOD      OXFORD                  39.79N 75.98W
08/02/2009                   CHESTER            PA   EMERGENCY MNGR

            FLASH FLOODING IN PINE GROVE.

1055 AM     HEAVY RAIN       3 E ANNANDALE           40.64N 74.84W
08/02/2009  M0.56 INCH       HUNTERDON          NJ   TRAINED SPOTTER

            0.56 INCHES IN 10 MINUTES.

1100 AM     HAIL             WILMINGTON              39.73N 75.53W
08/02/2009  E0.50 INCH       NEW CASTLE         DE   TRAINED SPOTTER

            DIME SIZE HAIL IN WILMINGTON.

1100 AM     TSTM WND DMG     WILMINGTON MANOR        39.73N 75.53W
08/02/2009                   NEW CASTLE         DE   TRAINED SPOTTER

            SMALL BRANCHES DOWN IN WILMINGTON.

1113 AM     HEAVY RAIN       ELKTON                  39.60N 75.82W
08/02/2009  E1.75 INCH       CECIL              MD   TRAINED SPOTTER

            1.75 INCHES IN ONE HOUR.

1120 AM     TSTM WND DMG     DREXEL HILL             39.95N 75.30W
08/02/2009                   DELAWARE           PA   TRAINED SPOTTER

            NUMEROUS TREES AND BRANCHES DOWN THROUGHOUT THE COUNTY.

1120 AM     HEAVY RAIN       DREXEL HILL             39.95N 75.30W
08/02/2009  M1.00 INCH       DELAWARE           PA   TRAINED SPOTTER

            1 INCH AND HOUR AND 1.65 IN 40 MINUTES.

1120 AM     FLASH FLOOD      DREXEL HILL             39.95N 75.30W
08/02/2009                   DELAWARE           PA   TRAINED SPOTTER

            WATER RESCUES WERE PREFORMED IN HAVERFORD AND UPPER
            DARBY.

1128 AM     HEAVY RAIN       SPRINGTOWN              40.56N 75.29W
08/02/2009  E1.92 INCH       BUCKS              PA   TRAINED SPOTTER

            1.92 INCHES FELL WITH ROAD FLOODING.

1140 AM     TSTM WND DMG     2 S NEWTOWN             40.20N 74.93W
08/02/2009                   BUCKS              PA   TRAINED SPOTTER

            NUMEROUS TREES DOWN.

1148 AM     HEAVY RAIN       2 N PHILADELPHIA INTERN 40.04N 75.13W
08/02/2009  M1.29 INCH       PHILADELPHIA       PA   TRAINED SPOTTER

            1.29 INCHES IN 28 MINUTES.

1148 AM     TSTM WND DMG     ELKTON                  39.60N 75.82W
08/02/2009                   CECIL              MD   EMERGENCY MNGR

            NUMEROUS TREES DOWN.

1150 AM     FLASH FLOOD      AMBLER                  40.16N 75.22W
08/02/2009                   MONTGOMERY         PA   TRAINED SPOTTER

            BUTLER PIKE FLOODED WITH LANDSLIDE INTO THE ROAD.

1200 PM     HEAVY RAIN       BRIDGETON               39.43N 75.23W
08/02/2009  M1.62 INCH       CUMBERLAND         NJ   CO-OP OBSERVER

            1.62 INCHES IN THE PAST HOUR.

1205 PM     TSTM WND DMG     LAWRENCEVILLE           40.30N 74.73W
08/02/2009                   MERCER             NJ   TRAINED SPOTTER

            TREES DOWN.

1210 PM     HEAVY RAIN       HIGH BRIDGE             40.67N 74.90W
08/02/2009  M2.24 INCH       HUNTERDON          NJ   CO-OP OBSERVER

            2.24 INCHES MEASURED IN 45 MINUTES.

1210 PM     HEAVY RAIN       EWING                   40.27N 74.80W
08/02/2009  E1.00 INCH       MERCER             NJ   TRAINED SPOTTER

            OVER 1 INCH AND HOUR RATES.

1210 PM     HEAVY RAIN       LAWRENCEVILLE           40.30N 74.73W
08/02/2009  M0.82 INCH       MERCER             NJ   CO-OP OBSERVER

            0.82 INCHES IN 20 MINUTES.

1215 PM     FLASH FLOOD      HIGH BRIDGE             40.67N 74.90W
08/02/2009                   HUNTERDON          NJ   AMATEUR RADIO

            CINDER BLOCKS SWEPT AWAY FROM CONSTRUCTION SITE.

1215 PM     FLASH FLOOD      LANGHORNE               40.18N 74.92W
08/02/2009                   BUCKS              PA   PUBLIC

            NESHAMINY CREEK STARTING TO FLOOD.

1215 PM     FLASH FLOOD      NEWTOWN                 40.23N 74.93W
08/02/2009                   BUCKS              PA   CO-OP OBSERVER

            MAJOR STREET FLOODING IN NEWTOWN.

1232 PM     HEAVY RAIN       MOORESTOWN-LENOLA       39.96N 74.97W
08/02/2009  M1.34 INCH       BURLINGTON         NJ   CO-OP OBSERVER

            1.34 INCHES IN 47 MINUTES.

1250 PM     HEAVY RAIN       3 E EDISON              40.53N 74.31W
08/02/2009  M1.38 INCH       MIDDLESEX          NJ   TRAINED SPOTTER

            1.38 FELL IN 20 MINUTES.

0100 PM     HEAVY RAIN       4 N EDINBURG            40.32N 74.62W
08/02/2009  E1.00 INCH       MIDDLESEX          NJ   TRAINED SPOTTER

            OVER 1 INCH AND HOUR RATES.

0105 PM     FLASH FLOOD      WILLOW GROVE            40.14N 75.12W
08/02/2009                   MONTGOMERY         PA   PUBLIC

            EXIT RAMP AT ROUTE 611 OFF PA TURNPIKE CLOSED DUE TO
            WATER.

0105 PM     HEAVY RAIN       BUENA                   39.53N 74.94W
08/02/2009  M1.00 INCH       ATLANTIC           NJ   CO-OP OBSERVER

            1 INCH IN THE PAST HOUR IN BUENA VISTA TWP.

0111 PM     FLASH FLOOD      BRIDGEWATER             40.60N 74.65W
08/02/2009                   SOMERSET           NJ   TRAINED SPOTTER

            CHAMBERS BROOK FLOODING.

0119 PM     FLASH FLOOD      PERKASIE                40.37N 75.29W
08/02/2009                   BUCKS              PA   TRAINED SPOTTER

            ROADWAYS FLOODED IN QUAKERTOWN BORO.

0127 PM     FLASH FLOOD      PARSIPPANY-TROY HILLS T 40.86N 74.42W
08/02/2009                   MORRIS             NJ   BROADCAST MEDIA

            ROADS ARE UNDER AS MUCH AS 3 FEET OF WATER.

0129 PM     FLASH FLOOD      BRIDGEWATER             40.60N 74.65W
08/02/2009                   SOMERSET           NJ   BROADCAST MEDIA

            MANY ROADS FLOODED WITH NUMEROUS WATER RESCUES.

0130 PM     HEAVY RAIN       3 W CALIFON             40.72N 74.89W
08/02/2009  M0.00 INCH       HUNTERDON          NJ   TRAINED SPOTTER

            4.35 INCHES OF RAIN SINCE PRECIPITATION BEGAN. NUMEROUS
            LOCAL DRIVEWAYS AND ROADS FLOODED.

0150 PM     TSTM WND DMG     VILLAS                  39.02N 74.94W
08/02/2009                   CAPE MAY           NJ   TRAINED SPOTTER

            TREES DOWN

0155 PM     LIGHTNING        NORTHFIELD              39.37N 74.55W
08/02/2009                   ATLANTIC           NJ   BROADCAST MEDIA

            TWO INDIVIDUALS STRUCK BY LIGHTNING.

0155 PM     TSTM WND DMG     GREEN CREEK             39.05N 74.90W
08/02/2009                   CAPE MAY           NJ   TRAINED SPOTTER

            TREE DOWN ON CAR ON LINDA LANE WITH WIRES DOWN AS WELL.

0155 PM     TSTM WND DMG     CAPE MAY COURT HOUSE    39.08N 74.82W
08/02/2009                   CAPE MAY           NJ   TRAINED SPOTTER

            NUMEROUS TREES DOWN.

&&

HEAVENER/ROBERTSON

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 2:19 AM EDTFlash Flood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 5 more13 hr
Aug 2, 7:34 AM EDTAreal Flood AdvisoryPHIHunterdon, Mercer3 hr
Aug 2, 8:48 AM EDTAreal Flood WarningPHIMercer4 hr
Aug 2, 10:53 AM EDTSevere Thunderstorm WarningPHICamden, Gloucester, Salem67 min
Aug 2, 11:14 AM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Warren61 min
Aug 2, 11:18 AM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset9 hr
Aug 2, 11:25 AM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer65 min
Aug 2, 11:30 AM EDTSevere Thunderstorm WarningPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem60 min
Aug 2, 11:33 AM EDTSpecial Marine WarningPHI87 min
Aug 2, 11:48 AM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset57 min
Aug 2, 11:51 AM EDTTornado WarningPHIMercer24 min
Aug 2, 12:13 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more3 hr
Aug 2, 12:23 PM EDTSpecial Marine WarningPHI97 min
Aug 2, 12:27 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset48 min
Aug 2, 12:45 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth60 min
Aug 2, 12:49 PM EDTRiver Flood WarningPHIMercer8 hr
Aug 2, 1:28 PM EDTSpecial Marine WarningPHI92 min
Aug 2, 1:43 PM EDTSevere Thunderstorm WarningPHICape May47 min
Aug 2, 1:49 PM EDTSpecial Marine WarningPHI86 min
Aug 2, 1:51 PM EDTSpecial Marine WarningPHI84 min
Aug 2, 1:56 PM EDTSpecial Marine WarningPHI2 hr
Aug 2, 1:59 PM EDTRiver Flood WarningPHIHunterdon, Somerset13 hr
Aug 2, 4:16 PM EDTRiver Flood WarningPHIMiddlesex, Somerset20 hr
Aug 2, 4:16 PM EDTRiver Flood WarningPHIMiddlesex, Somerset22 hr
Aug 2, 3:29 AM EDTAreal Flood AdvisoryPHIBerks3 hr
Aug 2, 5:54 AM EDTAreal Flood AdvisoryPHIChester3 hr
Aug 2, 7:51 AM EDTAreal Flood WarningPHIChester4 hr
Aug 2, 9:04 AM EDTAreal Flood WarningPHIMontgomery, Philadelphia4 hr
Aug 2, 9:06 AM EDTFlash Flood WarningPHIBerks, Carbon, Chester, Lehigh, Monroe, Northampton4 hr
Aug 2, 10:08 AM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia9 hr
Aug 2, 10:08 AM EDTSevere Thunderstorm WarningPHIChester67 min
Aug 2, 10:24 AM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery66 min
Aug 2, 12:33 PM EDTRiver Flood WarningPHIBucks28 hr
Aug 2, 1:25 PM EDTAreal Flood WarningPHIMontgomery, Philadelphia6 hr
Aug 2, 4:21 PM EDTRiver Flood WarningPHIChester56 min
Aug 2, 4:22 PM EDTFlash Flood WarningPHIBerks2 hr
Aug 2, 6:15 PM EDTAreal Flood WarningPHIMontgomery, Philadelphia4 hr
Aug 2, 6:25 PM EDTAreal Flood WarningPHIPhiladelphia4 hr
Aug 2, 10:32 AM EDTTornado WarningPHINew Castle28 min
Aug 2, 10:39 AM EDTSevere Thunderstorm WarningPHIKent, New Castle96 min
Aug 2, 12:53 PM EDTSevere Thunderstorm WarningPHIKent, Sussex67 min

Nearby

Areal Flood Advisories in Pennsylvania, 2009Every areal flood advisory 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.