Alert archive / Pennsylvania / Special Weather Statements in 2010
Special Weather Statement, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this special weather statement at Sep 30, 2010, 8:26 PM EDT for Berks County, Carbon County, Pennsylvania. It was in force for 94 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
- Sep 30, 2010, 8:26 PM EDT (00:26 UTC)
- Expired
- Sep 30, 2010, 10:00 PM EDT
- In force
- 94 min
- Issued by
- NWS Philadelphia/Mount Holly
Counties Berks County, PA, Carbon County, PA
The radar
The Philadelphia radar (KDIX), 150 km from the middle of the area, began a volume at 00:30 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
Brookhaven, NY (KOKX), launched 00:00Z, 0.4 hours before the alert went out and 240 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.
- Mixed-layer CAPE
- 312 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 423 m²/s²
- 0-3 km storm-relative helicity
- 408 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Philadelphia/Mount Holly wrote its last area forecast discussion before this special weather statement went out at Sep 30, 8:14 PM EDT, 12 minutes earlier.
Area forecast discussion, Sep 30, 8:14 PM EDT, 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
814 PM EDT THU SEP 30 2010
.SYNOPSIS...
A STRONG LOW PRESSURE SYSTEM OVER THE CAROLINA AREA THIS EVENING
WILL MOVE NORTHWARD ALONG THE COAST OVERNIGHT AND FRIDAY MORNING. IT
IS EXPECTED TO PRODUCE HEAVY RAINFALL AND GUSTY WINDS TO MUCH OF THE
REGION. HIGH PRESSURE WILL BUILD IN BEHIND THE DEPARTING LOW FRIDAY
NIGHT AND REMAIN FOR THE WEEKEND. ANOTHER WEAK LOW MAY BRING MORE
SHOWERS TO THE AREA EARLY NEXT WEEK.
&&
.NEAR TERM /THROUGH FRIDAY/...
THE WET AND WINDY EVENT CONTINUES ACROSS THE REGION WITH THE FIRST
LOW PRESSURE SYSTEM WEAKENING TO THE WEST AND A DEFORMATION ZONE
LEFT IN ITS WAKE. THE MODELS SHOW THE NEXT STRONG LOW WILL RIDE
NORTHWARD ALONG THE COAST TONIGHT AND BRING MORE HEAVY RAINS AND
WIND TO THE AREA TONIGHT AND EARLY FRIDAY. THE 00Z ECMWF MODEL WAS
THE PREFERRED CHOICE OF HPC TODAY AND THE GRIDS HAVE BEEN PREPARED
WITH THIS IN MIND.
WINDS WILL INCREASE OVER THE AREA BY EVENING AND THEY WILL PERSIST
OVERNIGHT...UNTIL THE LOW MOVES BY. THE PREVIOUS WIND ADVISORY WILL
CONTINUE OVER THE AREA...BUT WITH A SLIGHTLY SLOWER MOVEMENT OF THE
LOW...THE TIMING WILL BE EXTENDED TO COVER THE WHOLE OVERNIGHT
PERIOD. THE LATEST GFS HAS SOME SIGNIFICANTLY HIGHER WINDS FOR THE
AREA TONIGHT AND THESE WINDS WOULD BE A WIND WARNING LEVELS. IF
THESE WINDS MATERIALIZE THIS EVENING...WIND WARNINGS MAY NEED TO
BE ISSUED FOR THE COASTAL AREAS.
RAINFALL FROM THE FIRST LOW WAS HEAVY ACROSS ERN PA AND ERN MD WITH
LIGHTER TOTALS ACROSS NJ AND DE. WIDESPREAD TOTALS OF 1 TO 3 INCHES
FELL ACROSS ERN PA AND MD. THE ADDITIONAL RAIN ARRIVING ACROSS THE
AREA PRESENTLY WILL CONTINUE OVERNIGHT AND KEEP THE THREAT FOR
FLOODING ACROSS THE AREA...SO THE FLOOD WATCH WILL CONTINUE WITH ITS
ORIGINAL EXPIRATION TIME OF FRIDAY AFTERNOON. THE ADDITIONAL RAIN
WILL LIKELY BE ENOUGH TO CAUSE WIDESPREAD SMALL STREAM FLOODING AND
EVENTUALLY MAIN-STEM RIVER FLOODING TOO. THE NWS AHPS PAGE IS A
GREAT PLACE TO FOLLOW THE HYDRO READINGS/FCSTS.
THE TORNADO WATCH THAT WAS IN EFFECT UNTIL 23Z TONIGHT HAS BEEN
CANCELLED. THERE HAVE BEEN A FEW HEAVIER SHOWERS THAT SHOWED SIGNS
OF ROTATION, ALTHOUGH IT WAS VERY BOARD, THAT FELL APART WITHIN A
FEW VOLUME SCANS. THE STRONGEST LINE ACROSS THE REGION IS STILL
CURRENTLY WORKING ITS WAY UP INTO SOUTHERN DELAWARE AND THE EAST
SHORE OF MARYLAND. AS WE CONTINUE TO HEAD INTO THE EVENING HOURS,
THE TREND OF THESE SPINNING STORMS SHOULD BEGIN TO WANE AS WELL,
BUT WE ARE DEFINITELY KEEPING A CLOSE EYE ON THE SCOPE.
&&
.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
QUIETER WEATHER AWAITS IN THE SHORT TERM. THE HYDROLOGIC IMPACTS OF
THE MOST RECENT STORM MAY EXTEND INTO THE SHORT TERM HOWEVER. THE
STRONG LOW WILL BE MOVING ACROSS THE COASTAL NEW ENGLAND AREA FRI
NIGHT WHILE HIGH PRESSURE DROPS IN FROM THE GREAT LAKES. DRIER AIR
WILL ARRIVE WITH LITTLE IF ANY RAIN EXPECTED FRIDAY NIGHT INTO THE
WEEKEND. TEMPERATURES WILL BE A LITTLE COOL FOR THE PERIOD WITH
HIGHS IN THE LOW TO MID 60S FOR THE MOST PART AND LOWS IN THE MID
40S TO LOW 50S. TEMPERATURES WILL BE A LITTLE COOLER OVER THE
SOUTHERN POCONOS.
&&
.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
WHILE THE MID RANGE MODELS ARE COMING INTO BETTER AGREEMENT WITH THE
OVERALL PATTERN FOR NEXT WEEK...THERE ARE SOME PLACEMENT DIFFERENCES
THAT MAKE ALL OF THE DIFFERENCE WITH REGARD TO SENSIBLE WEATHER.
BECAUSE OF THIS...THE PRECIPITATION FORECASTS FOR MONDAY NIGHT AND
BEYOND ARE BELOW NORMAL.
THE ECMWF AND THE 1200 UTC GFS ARE STILL HANDLING THE EVOLUTION OF
THE CLOSING SYSTEM ACROSS THE TENNESSEE VALLEY DIFFERENTLY...AS THE
ECMWF REMAINS SLOWER AND MORE CLOSED OFF...WHILE THE GFS IS BIT
MORE PROGRESSIVE EARLY NEXT WEEK. SINCE THE ECMWF HAS BEEN MORE
CONSISTENT WITH ITSELF FOR THE LAST FEW RUNS...THIS IS THE MODEL OF
CHOICE FOR THE BULK OF THE THE FORECAST THROUGH NEXT WEEK.
THIS SHOULD KEEP SURFACE DEVELOPMENT OFFSHORE SUNDAY NIGHT INTO
TUESDAY NIGHT...WITH SURFACE HIGH PRESSURE IN PLACE. THE AIR-MASS
WILL MODIFY WITH TIME...BUT THERE STILL SEEMS TO BE A SHOT AT SOME
FROST ACROSS THE SOUTHERN POCONOS AND NORTHWEST NEW JERSEY SUNDAY
NIGHT.
THE SURFACE HIGH MOVES EAST TUESDAY INTO WEDNESDAY...AS THE LOW
LEVEL BAROCLINIC ZONE REMAINS JUST OFFSHORE...EAST OF THE CLOSED MID
LEVEL SYSTEM. OVERALL...TEMPERATURES SHOULD REMAIN NEAR OR JUST
BELOW NORMAL INTO WEDNESDAY.
AS MENTIONED EARLIER...THE POSITION OF THE CLOSED MID LEVEL
SYSTEM WILL BE THE KEY TO THE PRECIPITATION FORECAST. RIGHT NOW...IT
WOULD APPEAR AS THOUGH THE BEST CHANCE OF RAIN WOULD BE WITH THE
SURFACE WAVE WEDNESDAY NIGHT AND THURSDAY.
&&
.AVIATION /00Z FRIDAY THROUGH TUESDAY/...
THE FOLLOWING DISCUSSION IS FOR KPHL, KPNE, KTTN, KABE, KRDG, KILG,
KMIV, KACY AND SURROUNDING AREAS.
THE CONVECTIVE RAIN IS GETTING INTO THE PHILADELPHIA METRO
TERMINALS...WITH CONDITIONS OCCASIONALLY DROPPING TO IFR.
OTHERWISE...NOT MUCH CHANGE IN THE THINKING WITH THE 0000 UTC
TERMINAL FORECASTS. AS THE NEXT LOW TAKES SHAPE OVER SOUTHEAST
NORTH CAROLINA...WINDS SHOULD REMAIN FROM THE SOUTH SOUTHEAST AND
OCCASIONALLY GUST TO 25 KNOTS (AS THE GRADIENT HAS TEMPORARILY
DROPPED). THE KDIX VWP STILL SHOWING WINDS NEAR 60 KNOTS AT 2000
FEET...SO LOW LEVEL WIND SHEAR WAS RETAINED FROM THE PREVIOUS
FORECAST AS WELL.
THE SECOND LOW SHOULD COME ASTRIDE OF THE TERMINAL LOCATIONS
BETWEEN 0600 UTC AND 0900 UTC FRIDAY. AT THIS TIME...WINDS WILL
BACK TO THE NORTHEAST...AND THE RAIN SHOULD START TO BACK OFF. IFR
CEILINGS ARE LIKELY TO CONTINUE THROUGH AT LEAST 1500 UTC FOR MOST
PLACES AS MOISTURE GETS TRAPPED UNDER THE INVERSION AS THE LOW
LEVEL FLOW SHIFTS TO THE NORTHWEST.
WEST TO NORTHWEST WINDS WILL GUST TO 25 TO 30 KNOTS LATE FRIDAY
MORNING AND INTO THE AFTERNOON AS THE GRADIENT BEHIND THE
DEPARTING SECOND LOW TIGHTENS. ALL TERMINALS SHOULD SEE VFR
CONDITIONS BY 1900 UTC...AND SKIES CLEARING BY 0000 UTC SATURDAY.
OUTLOOK...
VFR CONDITIONS ARE EXPECTED TO PREVAIL FROM FRIDAY AFTERNOON INTO
THE WEEKEND. THERE IS UNCERTAINTY FOR EARLY NEXT WEEK AS TO HOW
FAR NORTHWEST MVFR CONTENTIONS WILL EXTEND FROM A LOW PRESSURE
SYSTEM PASSING TO THE SOUTHEAST OF THE TERMINALS. BECAUSE OF THE
LARGE MODEL SPREAD CONFIDENCE FOR MONDAY INTO TUESDAY
SHOULD BE VIEWED AS LOWER THAN AVERAGE.
&&
.MARINE...
WE ARE MAINTAINING THE GALE WARNINGS AND EXTENDING THEM SLIGHTLY
LONGER INTO THE NIGHT AS PER MODEL TREND TOWARD A SLOWER SOLUTION.
FIRST LOW PRESSURE SYSTEM IS WEAKENING IN VIRGINIA AS THE SECOND ONE
SOUTHEAST OF THE SC COAST IS TAKING OVER. THERE ARE MODEL
DIFFERENCES WITH THE TRACK DURING THE FIRST PART OF THE DAY ON
FRIDAY AND WIND DIRECTION/SPEEDS ARE LOWER CONFIDENCE THAN AVERAGE
DURING THIS TIME PERIOD AS THE LOW ENTERS OUR MARINE AREA. ONCE THE
LOW ENTERS OUR MARINE WATERS, WINDS WILL DECREASE BELOW GALE FORCE.
AS THE LOW PRESSURE SYSTEM LEAVES OUR MARINE WATERS, A GUSTY
NORTHWEST WIND WILL DEVELOP. CURRENT EXPECTATIONS ARE FOR WINDS TO
STAY BELOW GALE FORCE LEVELS. WHILE WINDS SHOULD DECREASE BELOW SCA
CRITERIA, IT WILL TAKE LONGER FOR SEAS TO SUBSIDE ON THE OCEAN SIDE,
PROBABLY NOT TIL SATURDAY NIGHT.
FOR SUNDAY INTO TUESDAY, A HIGH PRESSURE SYSTEM IS FORECAST TO
BUILD NORTH OF THE MARINE AREA ON SUNDAY AND REMAIN NEARLY
STATIONARY MONDAY AND TUESDAY. THE FORECAST MODELS ARE FORECASTING
ANOTHER SERIES OF LOW PRESSURE SYSTEMS ALONG A FRONTAL BOUNDARY EAST
OF THE CAROLINAS. THE GRADIENT BETWEEN THE TWO WILL INCREASE WINDS
AND SEAS AGAIN. CONFIDENCE ABOUT THE SCENARIO IS NOT HIGH, BUT THE
FARTHER SOUTH ALONG THE OCEAN WATERS, THE GREATER THE CHANCES FOR
SMALL CRAFT ADVISORY CONDITIONS TO OCCUR.
HIGH SURF ADVISORY CONTINUES TODAY INTO FRIDAY BECAUSE OF WAVE
HEIGHT PREDICTION ABOVE 8 FT. THIS IS HIGHLIGHTED IN THE COASTAL
HAZARD MESSAGE PRODUCT /CFW/.
&&
.HYDROLOGY...
FLOOD WATCHES AND WARNINGS CONTINUE ACROSS THE FORECAST AREA.
STORM TOTAL RAINFALL COULD REACH UP TO 6 OR PERHAPS 7 INCHES IN A
FEW AREAS WITH WIDESPREAD 3 TO 5 INCHES ACROSS THE AREA. SOME
AREAS ACROSS ERN PA AND MD HAVE HAD 2 TO 3 INCHES OF RAINFALL
ALREADY. SMALL STREAMS AND CREEKS WILL RESPOND QUICKLY TO THE
RAINS TONIGHT WHILE THE LARGER RIVERS MAY REACH FLOOD STAGES ON
FRIDAY. WE WILL ISSUE STATEMENTS AND WARNINGS TONIGHT AND FRIDAY
TO KEEP YOU UPDATED.
THE LATEST READINGS AND FORECASTS FROM THE GAGED RIVERS/CREEKS ARE
AVAILABLE ON THE AHPS WEB PAGE.
&&
.TIDES/COASTAL FLOODING...
THE STRONG INFLOW SENDING WATER UP THE CHESAPEAKE HAS RESULTED IN
TIDAL DEPARTURES OF GREATER THAN 3 FEET. BASED ON THIS...AND THE
APPROACHING HIGH TIDE AT CAMBRIDGE...A COASTAL FLOODING WARNING
WAS ISSUED. WHILE THE TIDE HEIGHT MIGHT NOT QUITE MAKE IT AT
TOLCHESTER (WHERE HIGH TIDE OCCURS AFTER MIDNIGHT)...MORE
CONCERNED ABOUT THE TIDAL ACTION AT CAMBRIDGE.
RUNOFF FROM THE HEAVY RAIN COULD AGGRAVATE THE SITUATION.
EARLY NEXT WEEK...ASTRO TIDE CYCLES INCREASE AND ALL THE MODELS ARE
SUGGESTING THE ONSHORE FLOW SHOULD CAUSE POSITIVE TIDAL DEPARTURES.
WE WILL HAVE TO WATCH THIS IN THE DAYS TO COME FOR EARLY NEXT WEEK.
&&
.PHI WATCHES/WARNINGS/ADVISORIES...
PA...FLOOD WATCH THROUGH FRIDAY AFTERNOON FOR PAZ054-055-060>062-
067>071.
WIND ADVISORY UNTIL 6 AM EDT FRIDAY FOR PAZ067>071.
COASTAL FLOOD ADVISORY UNTIL 9 PM EDT THIS EVENING FOR PAZ070-
071.
NJ...FLOOD WATCH THROUGH FRIDAY AFTERNOON FOR NJZ001-007>010-
012>027.
WIND ADVISORY UNTIL 6 AM EDT FRIDAY FOR NJZ008>010-012>027.
HIGH SURF ADVISORY UNTIL 6 AM EDT FRIDAY FOR NJZ014-023>026.
COASTAL FLOOD ADVISORY UNTIL 9 PM EDT THIS EVENING FOR
NJZ017>019.
DE...FLOOD WATCH THROUGH FRIDAY AFTERNOON FOR DEZ001>004.
WIND ADVISORY UNTIL 6 AM EDT FRIDAY FOR DEZ001>004.
HIGH SURF ADVISORY UNTIL 6 AM EDT FRIDAY FOR DEZ004.
MD...FLOOD WATCH THROUGH FRIDAY AFTERNOON FOR MDZ008-012-015-019-
020.
WIND ADVISORY UNTIL 6 AM EDT FRIDAY FOR MDZ008-012-015-019-020.
COASTAL FLOOD WARNING UNTIL 2 AM EDT FRIDAY FOR MDZ012-015-019-
020.
MARINE...GALE WARNING UNTIL 6 AM EDT FRIDAY FOR ANZ450>455.
GALE WARNING UNTIL 2 AM EDT FRIDAY FOR ANZ430-431.
&&
SYNOPSIS...O'HARA
NEAR TERM...O'HARA
SHORT TERM...O'HARA
LONG TERM...HAYES
AVIATION...GIGI/HAYES
MARINE...GIGI
HYDROLOGY...
TIDES/COASTAL FLOODING...HAYES/GIGIHazardous weather outlook, Sep 30, 7:50 PM EDT, 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 750 PM EDT THU SEP 30 2010 DEZ001>003-MDZ008-NJZ008>010-012-013-015-016-020>022-027-PAZ067>069- 020000- NEW CASTLE-KENT-INLAND SUSSEX-CECIL-MORRIS-HUNTERDON-SOMERSET- MIDDLESEX-WESTERN MONMOUTH-MERCER-SALEM-OCEAN-CUMBERLAND-ATLANTIC- SOUTHEASTERN BURLINGTON-CHESTER-MONTGOMERY-BUCKS- 750 PM EDT THU SEP 30 2010 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL DELAWARE...NORTHERN DELAWARE...SOUTHERN DELAWARE...NORTHEAST MARYLAND...CENTRAL NEW JERSEY...NORTHERN NEW JERSEY...NORTHWEST NEW JERSEY...SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NJZ023-020000- CAPE MAY- 750 PM EDT THU SEP 30 2010 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN NEW JERSEY. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. HIGH SURF ADVISORY. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NJZ017>019-PAZ070-071-020000- GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA- 750 PM EDT THU SEP 30 2010 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING... ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. WIND ADVISORY. COASTAL FLOOD ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ012-015-019-020-020000- KENT MD-QUEEN ANNES-TALBOT-CAROLINE- 750 PM EDT THU SEP 30 2010 ...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 AM EDT FRIDAY... ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MARYLAND. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. COASTAL FLOOD WARNING. FLOOD WATCH. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. NJZ001-007-PAZ054-055-060>062-020000- SUSSEX-WARREN-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON- 750 PM EDT THU SEP 30 2010 ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW JERSEY...EAST CENTRAL PENNSYLVANIA AND NORTHEAST PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. DEZ004-NJZ014-024>026-020000- DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY- COASTAL ATLANTIC-COASTAL OCEAN- 750 PM EDT THU SEP 30 2010 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...WIND ADVISORY IN EFFECT UNTIL 6 AM EDT FRIDAY... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN DELAWARE...CENTRAL NEW JERSEY AND SOUTHERN NEW JERSEY. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. HIGH SURF ADVISORY. WIND ADVISORY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLOOD WATCH. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ450>455-020000- 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- 750 PM EDT THU SEP 30 2010 ...GALE WARNING IN EFFECT UNTIL 6 AM EDT FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. SMALL CRAFT LEVEL WINDS AND SEAS ARE EXPECTED FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. ANZ430-431-020000- DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE- 750 PM EDT THU SEP 30 2010 ...GALE WARNING IN EFFECT UNTIL 2 AM EDT FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR DELAWARE BAY WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. SMALL CRAFT LEVEL WINDS ARE EXPECTED FRIDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. HAYES
In the hours before
Special weather statement, Sep 30, 6:18 PM EDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
618 PM EDT THU SEP 30 2010
DEZ002-NJZ016-021-010015-
CUMBERLAND NJ-KENT DE-SALEM NJ-
618 PM EDT THU SEP 30 2010
...A SHOWER WITH STRONG WIND GUSTS WILL AFFECT KENT...SALEM AND
CUMBERLAND COUNTIES...
AT 614 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SHOWER WITH STRONG WIND GUSTS 9 MILES SOUTH OF DOVER...MOVING NORTH
AT 25 MPH. THE SHOWER WILL BE NEAR RISING SUN AROUND 625 PM...DOVER
BASE HOUSING...KENT ACRES...HIGHLAND ACRES AROUND 630 PM...DOVER
AROUND 635 PM...LITTLE CREEK AROUND 640 PM...WOODLAND BEACH AROUND
705 PM AND CEDARVILLE AROUND 710 PM.
WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS SHOWER.
LAT...LON 3934 7548 3932 7543 3924 7539 3928 7530
3934 7535 3933 7537 3940 7547 3971 7540
3954 7508 3925 7521 3929 7527 3923 7539
3909 7540 3902 7532 3899 7533 3889 7558
FORECASTER: NIERENBERGSpecial weather statement, Sep 30, 6:23 PM EDT, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
623 PM EDT THU SEP 30 2010
DEZ002-003-MDZ020-302300-
CAROLINE MD-INLAND SUSSEX DE-KENT DE-
623 PM EDT THU SEP 30 2010
...SHOWERS WITH HEAVY RAINFALL WILL AFFECT KENT...CAROLINE AND SUSSEX
COUNTIES...
AT 618 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SHOWERS WITH HEAVY RAINFALL ALONG A LINE EXTENDING FROM 17 MILES EAST
OF EASTON TO 9 MILES NORTH OF SALISBURY...MOVING NORTHEAST AT 35
MPH. THESE SHOWERS WILL CONTINUE TO TRAIN FROM THE SOUTH TO ALMOST
DIRECTLY NORTH THROUGH THE AREA. THE SHOWERS WILL BE NEAR
SMITHVILLE...BETHEL AROUND 625 PM...SEAFORD...LAUREL AROUND 630
PM...DENTON...SYCAMORE...BLADES AROUND 635 PM...BRIDGEVILLE AROUND
640 PM...ANDREWSVILLE AND GREENWOOD AROUND 645 PM.
VERY HEAVY RAIN WILL FALL FROM THESE SHOWERS...AND WILL CAUSE WATER
TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 3846 7570 3847 7571 3865 7572 3867 7576
3867 7580 3869 7582 3871 7587 3876 7592
3916 7566 3878 7538 3846 7556
FORECASTER: HEAVENERSpecial weather statement, Sep 30, 6:50 PM EDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 650 PM EDT THU SEP 30 2010 DEZ001-NJZ016>019-021-PAZ067>071-302330- BUCKS PA-CAMDEN NJ-CHESTER PA-CUMBERLAND NJ-DELAWARE PA-GLOUCESTER NJ- MONTGOMERY PA-NEW CASTLE DE-NORTHWESTERN BURLINGTON NJ- PHILADELPHIA PA-SALEM NJ- 650 PM EDT THU SEP 30 2010 ...A SHOWER WITH STRONG WIND GUSTS WILL AFFECT SALEM...CUMBERLAND... CAMDEN...GLOUCESTER...DELAWARE...PHILADELPHIA...CHESTER... MONTGOMERY...BUCKS...NEW CASTLE AND BURLINGTON COUNTIES... AT 646 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SHOWER WITH STRONG WIND GUSTS 18 MILES SOUTHEAST OF WILMINGTON... MOVING NORTH AT 50 MPH. THE SHOWER WILL BE NEAR WOODSTOWN AROUND 700 PM...SWEDESBORO...BECKETT...MULLICA HILL...PENNS GROVE AROUND 705 PM...TRAINER...MARCUS HOOK...WENONAH...LINWOOD AROUND 710 PM AND GIBBSTOWN AROUND 715 PM. VERY HEAVY RAIN WILL FALL FROM THIS SHOWER...AND WILL CAUSE WATER TO POND ON ROADS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS. WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS SHOWER. LAT...LON 4016 7545 4008 7496 3942 7526 3945 7549 FORECASTER: HEAVENER
Special weather statement, Sep 30, 7:16 PM EDT, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
716 PM EDT THU SEP 30 2010
DEZ001>004-NJZ016-021-010045-
CUMBERLAND NJ-DELAWARE BEACHES DE-INLAND SUSSEX DE-KENT DE-
NEW CASTLE DE-SALEM NJ-
716 PM EDT THU SEP 30 2010
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT
KENT...SALEM...CUMBERLAND...SUSSEX AND NEW CASTLE COUNTIES...
AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SHOWERS WITH STRONG WIND GUSTS ACROSS SOUTHERN AND CENTRAL
DELAWARE MOVING NORTH AT 25 MPH.
WIND GUSTS TO 40 MPH AND HEAVY RAIN ARE POSSIBLE WITH THESE SHOWERS.
LAT...LON 3915 7575 3939 7576 3957 7556 3946 7558
3932 7543 3935 7540 3950 7557 3959 7555
3970 7542 3970 7541 3938 7486 3917 7495
3917 7514 3934 7535 3932 7543 3903 7537
3878 7512 3847 7526 3846 7552
FORECASTER: NIERENBERGSpecial weather statement, Sep 30, 7:37 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
737 PM EDT THU SEP 30 2010
DEZ001-NJZ007-009-015>019-PAZ054-055-060>062-067>071-010130-
BERKS PA-BUCKS PA-CAMDEN NJ-CARBON PA-CHESTER PA-DELAWARE PA-
GLOUCESTER NJ-HUNTERDON NJ-LEHIGH PA-MERCER NJ-MONROE PA-
MONTGOMERY PA-NEW CASTLE DE-NORTHAMPTON PA-NORTHWESTERN BURLINGTON NJ-
PHILADELPHIA PA-SALEM NJ-WARREN NJ-
737 PM EDT THU SEP 30 2010
...SHOWERS WITH STRONG WIND GUSTS WILL AFFECT WARREN...HUNTERDON...
SALEM...CAMDEN...GLOUCESTER...MERCER...DELAWARE...PHILADELPHIA...
CHESTER...MONTGOMERY...BERKS...LEHIGH...NORTHAMPTON. ..CARBON...
BUCKS...MONROE...NEW CASTLE AND BURLINGTON COUNTIES...
AT 729 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERAL AREAS OF SHOWERS WITH STRONG WIND GUSTS OVER EASTERN
PENNSYLVANIA, PORTIONS OF SOUTHERN NEW JERSEY AND NORTHERN DELAWARE.
THIS ACTIVITY WAS GENERALLY MOVING TO THE NORTH AT 25 MPH.
VERY HEAVY RAIN AND WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THE HEAVIER
SHOWERS. A RUMBLE OF THUNDER CAN NOT BE RULED OUT EITHER.
LAT...LON 4094 7514 4061 7496 4008 7457 3965 7518
3982 7592 3993 7601 4011 7595 4014 7590
4050 7644 4059 7603 4064 7600 4074 7578
4091 7600 4101 7575 4105 7578 4111 7576
4114 7570 4113 7564 4122 7555 4126 7521
FORECASTER: NIERENBERGSpecial weather statement, Sep 30, 8:26 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
826 PM EDT THU SEP 30 2010
PAZ054-055-060-061-010200-
BERKS PA-CARBON PA-LEHIGH PA-MONROE PA-
826 PM EDT THU SEP 30 2010
...AN AREA OF SHOWERS WITH STRONG WIND GUSTS WILL AFFECT BERKS...LEHIGH...
CARBON AND MONROE COUNTIES...
AT 821 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN
AREA OF SHOWERS EXTENDING FROM BERKS COUNTY TO MONROE
COUNTY...MOVING NORTH AT 25 MPH.
WIND GUSTS TO 40 MPH AND VERY HEAVY RAIN AND ARE POSSIBLE WITH THESE
SHOWERS.
LAT...LON 4121 7514 4084 7561 4074 7565 4044 7567
4017 7591 4030 7615 4059 7607 4059 7603
4065 7600 4074 7578 4084 7594 4092 7599
4100 7575 4105 7578 4110 7577 4114 7570
4113 7564 4123 7554 4126 7514
FORECASTER: NIERENBERGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 8:35 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer | 85 min |
| Sep 30, 9:50 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Sussex, Warren | 85 min |
| Sep 30, 10:25 PM EDT | Special Weather Statement | PHI | Morris | 50 min |
| Sep 30, 10:32 PM EDT | Special Weather Statement | PHI | Gloucester | 58 min |
| Sep 30, 11:04 PM EDT | Special Weather Statement | PHI | Sussex | 56 min |
| Sep 30, 11:17 PM EDT | Special Weather Statement | PHI | Morris, Somerset | 58 min |
| Sep 30, 11:20 PM EDT | Special Weather Statement | PHI | Hunterdon, Warren | 55 min |
| Oct 1, 12:20 AM EDT | Special Weather Statement | PHI | Warren | 55 min |
| Oct 1, 1:22 AM EDT | Special Weather Statement | PHI | Salem | 53 min |
| Oct 1, 1:37 AM EDT | Special Weather Statement | PHI | Morris, Sussex | 53 min |
| Oct 1, 2:53 AM EDT | Special Weather Statement | PHI | Middlesex, Morris, Somerset | 52 min |
| Oct 1, 3:02 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Cumberland, Hunterdon, Mercer | 58 min |
| Oct 1, 3:11 AM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 6 more | 12 hr |
| Oct 1, 3:29 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Mercer, Middlesex and 2 more | 61 min |
| Oct 1, 3:43 AM EDT | Special Weather Statement | PHI | Middlesex, Morris, Somerset | 62 min |
| Oct 1, 4:25 AM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Monmouth, Ocean | 65 min |
| Oct 1, 4:28 AM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Cape May, Mercer, Middlesex, Monmouth and 1 more | 10 hr |
| Oct 1, 5:07 AM EDT | Special Weather Statement | PHI | Atlantic, Monmouth, Ocean | 53 min |
| Oct 1, 6:37 AM EDT | Small Craft Advisory | PHI | 34 hr | |
| Oct 1, 8:13 AM EDT | River Flood Warning | PHI | Hunterdon, Somerset | 6 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Sussex, Warren | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon, Warren | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon | 10 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon | 18 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Hunterdon, Mercer | 10 hr |
| Oct 1, 10:54 AM EDT | River Flood Warning | PHI | Mercer | 10 hr |
| Oct 1, 3:04 PM EDT | Areal Flood Warning | PHI | Somerset | 4 hr |
| Oct 1, 3:05 PM EDT | River Flood Warning | PHI | Morris | 11 hr |
| Sep 30, 11:36 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Montgomery | 54 min |
| Oct 1, 1:02 AM EDT | River Flood Warning | PHI | Delaware | 13 hr |
| Oct 1, 1:21 AM EDT | River Flood Warning | PHI | Lehigh, Northampton | 14 hr |
| Oct 1, 1:28 AM EDT | River Flood Warning | PHI | Montgomery | 14 hr |
| Oct 1, 1:39 AM EDT | River Flood Warning | PHI | Bucks | 18 hr |
| Oct 1, 2:01 AM EDT | River Flood Warning | PHI | Chester | 13 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Berks | 8 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Montgomery | 13 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 13 hr |
| Oct 1, 2:35 AM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 19 hr |
| Sep 30, 11:32 PM EDT | Special Weather Statement | PHI | Kent, Queen Anne's, Talbot | 58 min |
| Oct 1, 12:07 AM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's, Talbot | 53 min |
| Oct 1, 12:40 AM EDT | Special Weather Statement | PHI | Caroline, Cecil, Kent, Queen Anne's | 65 min |
| Oct 1, 12:49 AM EDT | River Flood Warning | PHI | New Castle | 14 hr |
| Oct 1, 12:57 AM EDT | Special Weather Statement | PHI | Kent | 63 min |
| Oct 1, 1:08 AM EDT | River Flood Warning | PHI | New Castle | 14 hr |
| Oct 1, 2:08 AM EDT | River Flood Warning | PHI | New Castle | 12 hr |
| Oct 1, 2:23 AM EDT | River Flood Warning | PHI | New Castle | 23 hr |
Nearby
Special Weather Statements in Pennsylvania, 2010Every special weather statement in 2010
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.