Alert archive / New Jersey / Areal Flood Advisories in 2013

Areal Flood Advisory 216, NWS Philadelphia/Mount Holly

September 2, 2013Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this areal flood advisory at Sep 2, 2013, 11:31 AM EDT for Burlington County, Ocean County, New Jersey. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 2, 2013, 11:31 AM EDT (15:31 UTC)
Expired
Sep 2, 2013, 2:30 PM EDT
In force
3 hr
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 9 km from the middle of the area, began a volume at 15:34 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 12:00Z, 3.5 hours before the alert went out and 175 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, Brookhaven, NY at 12:00Z on 2013-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 791 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, Brookhaven, NY at 12:00Z on 2013-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.193958Sfc1 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
791 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
538 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

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 Sep 2, 9:22 AM EDT, 2 hours 9 minutes earlier.

Area forecast discussion, Sep 2, 9:22 AM EDT, 2 hours 9 minutes before
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Hazardous weather outlook, Sep 2, 4:17 AM EDT, 7 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
417 AM EDT MON SEP 2 2013

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-070-071-101>106-030830-
NEW CASTLE-KENT-INLAND SUSSEX-DELAWARE BEACHES-CECIL-KENT MD-
QUEEN ANNES-TALBOT-CAROLINE-SUSSEX-WARREN-MORRIS-HUNTERDON-SOMERSET-
MIDDLESEX-WESTERN MONMOUTH-EASTERN MONMOUTH-MERCER-SALEM-GLOUCESTER-
CAMDEN-NORTHWESTERN BURLINGTON-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-CARBON-MONROE-BERKS-LEHIGH-NORTHAMPTON-
DELAWARE-PHILADELPHIA-WESTERN CHESTER-EASTERN CHESTER-
WESTERN MONTGOMERY-EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
417 AM EDT MON SEP 2 2013

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...EAST CENTRAL PENNSYLVANIA...NORTHEAST PENNSYLVANIA AND
SOUTHEAST PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ACROSS THE AREA WILL LIKELY PRODUCE SOME
VERY HEAVY DOWNPOURS. IF MULTIPLE STORMS CROSS THE SAME AREA THEN
SIGNIFICANT FLOODING COULD OCCUR.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ430-431-450>455-470-030830-
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-
WATERS FROM SANDY HOOK NJ TO FENWICK ISLAND DE FROM 20 TO 40 NM-
417 AM EDT MON SEP 2 2013

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS MAY PRODUCE LOCALLY HAZARDOUS WINDS AND
SEAS AS WELL AS DANGEROUS LIGHTNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Sep 2, 7:16 AM EDT, 4 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
716 AM EDT MON SEP 2 2013

NJZ001-007>009-PAZ062-021245-
HUNTERDON NJ-MORRIS NJ-NORTHAMPTON PA-SUSSEX NJ-WARREN NJ-
716 AM EDT MON SEP 2 2013

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT HUNTERDON...SOUTH
CENTRAL NORTHAMPTON...SUSSEX...WARREN AND WESTERN MORRIS COUNTIES...

AT 714 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
PELLETTOWN TO HAMPTON TO SPRINGTOWN...MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. 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 THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.

THESE STORMS WILL BE NEAR SUSSEX AROUND 730 AM...LAKE MOHAWK AROUND
745 AM...VERNON VALLEY AROUND 800 AM...HIGHLAND LAKE AROUND 815 AM...
SUCCASUNNA AROUND 830 AM AND GREEN POND AROUND 845 AM.

LAT...LON 4121 7437 4109 7449 4104 7449 4106 7445
      4101 7438 4075 7458 4072 7472 4061 7471
      4046 7500 4048 7506 4054 7507 4057 7510
      4057 7519 4061 7520 4055 7531 4057 7536
      4072 7507 4129 7470

TFG
Special weather statement, Sep 2, 7:26 AM EDT, 4 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
726 AM EDT MON SEP 2 2013

NJZ009-010-012-013-015-017>019-PAZ070-071-101>106-021330-
HUNTERDON-SOMERSET-MIDDLESEX-WESTERN MONMOUTH-MERCER-GLOUCESTER-
CAMDEN-NORTHWESTERN BURLINGTON-DELAWARE-PHILADELPHIA-
WESTERN CHESTER-EASTERN CHESTER-WESTERN MONTGOMERY-
EASTERN MONTGOMERY-UPPER BUCKS-LOWER BUCKS-
INCLUDING THE CITIES OF...FLEMINGTON...SOMERVILLE...
NEW BRUNSWICK...FREEHOLD...TRENTON...GLASSBORO...CAMDEN...
CHERRY HILL...MOORESTOWN...MOUNT HOLLY...MEDIA...PHILADELPHIA...
HONEY BROOK...OXFORD...WEST CHESTER...KENNET SQUARE...
COLLEGEVILLE...POTTSTOWN...NORRISTOWN...LANSDALE...CHALFONT...
PERKASIE...MORRISVILLE...DOYLESTOWN
726 AM EDT MON SEP 2 2013

...FOGGY START TO LABOR DAY...

FOG HAS FORMED THIS LABOR DAY MORNING AND IS LOCALLY DENSE IN
AREAS, ESPECIALLY NEAR RIVERS AND LAKES. IF YOU ARE DRIVING EARLY
THIS MORNING, PLEASE BE WARY OF CHANGING ROAD CONDITIONS AND USE
YOUR LOW BEAMS. PLEASE BE ON THE ALERT FOR PEDESTRIANS, JOGGERS
AND BICYCLISTS. THE FOG WILL DISSIPATE AS THE MORNING PROGRESSES.
Special weather statement, Sep 2, 7:58 AM EDT, 3 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
758 AM EDT MON SEP 2 2013

NJZ008>010-021300-
HUNTERDON NJ-MORRIS NJ-SOMERSET NJ-
758 AM EDT MON SEP 2 2013

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT HUNTERDON...SOMERSET
AND SOUTHERN MORRIS COUNTIES...

AT 753 AM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
BEATTYESTOWN TO CALIFON TO FLEMINGTON...MOVING EAST AT 15 MPH.

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS.

DOPPLER RADAR HAS BEEN CONSISTENTLY SHOWING WIND GUSTS OF 30 TO  40
MPH WITH THESE STORMS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

THESE STORMS WILL BE NEAR FLEMINGTON AROUND 810 AM...CHESTER AROUND
820 AM...FAR HILLS AROUND 830 AM...MENDHAM AROUND 840 AM...MILLSTONE
AROUND 850 AM AND NORTH PLAINFIELD AROUND 900 AM.

LAT...LON 4073 7437 4068 7445 4066 7445 4066 7440
      4063 7441 4057 7453 4049 7446 4041 7459
      4038 7460 4049 7506 4053 7505 4071 7487
      4078 7490 4084 7482 4088 7481 4079 7439

TFG
Local storm report, Sep 2, 10:48 AM EDT, 43 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 8:02 PM EDTSpecial Weather StatementPHIWarren58 min
Sep 2, 7:09 AM EDTAreal Flood AdvisoryPHIWarren4 hr
Sep 2, 7:16 AM EDTSpecial Weather StatementPHIHunterdon, Morris, Sussex89 min
Sep 2, 7:35 AM EDTAreal Flood AdvisoryPHIHunterdon6 hr
Sep 2, 7:58 AM EDTSpecial Weather StatementPHIHunterdon, Somerset62 min
Sep 2, 8:17 AM EDTAreal Flood AdvisoryPHIMorris, Somerset3 hr
Sep 2, 8:58 AM EDTAreal Flood AdvisoryPHIAtlantic, Cape May, Cumberland3 hr
Sep 2, 9:37 AM EDTAreal Flood AdvisoryPHICamden113 min
Sep 2, 9:52 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester4 hr
Sep 2, 10:03 AM EDTAreal Flood AdvisoryPHICamden, Cumberland, Gloucester, Salem4 hr
Sep 2, 10:16 AM EDTSevere Thunderstorm WarningPHIBurlington, Camden74 min
Sep 2, 10:35 AM EDTFlash Flood WarningPHIBurlington, Camden5 hr
Sep 2, 10:50 AM EDTAreal Flood AdvisoryPHIGloucester, Salem3 hr
Sep 2, 12:28 PM EDTFlash Flood WarningPHIGloucester, Salem3 hr
Sep 2, 12:44 PM EDTFlash Flood WarningPHIHunterdon, Mercer4 hr
Sep 2, 12:47 PM EDTSpecial Weather StatementPHIHunterdon58 min
Sep 2, 2:03 PM EDTAreal Flood AdvisoryPHIMiddlesex, Somerset3 hr
Sep 2, 2:42 PM EDTSpecial Weather StatementPHIAtlantic48 min
Sep 2, 3:35 PM EDTAreal Flood WarningPHICamden9 hr
Sep 2, 3:44 PM EDTAreal Flood WarningPHIGloucester14 hr
Sep 2, 4:56 AM EDTSpecial Weather StatementPHICarbon49 min
Sep 2, 5:34 AM EDTSevere Thunderstorm WarningPHICarbon, Monroe56 min
Sep 2, 10:29 AM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia76 min
Sep 2, 11:27 AM EDTAreal Flood AdvisoryPHIDelaware, Montgomery, Philadelphia3 hr
Sep 2, 12:37 PM EDTFlash Flood WarningPHIDelaware3 hr
Sep 2, 3:06 PM EDTAreal Flood AdvisoryPHICarbon, Monroe114 min
Sep 2, 3:14 PM EDTSpecial Weather StatementPHINorthampton61 min
Sep 2, 4:02 PM EDTSpecial Weather StatementPHILehigh, Northampton43 min
Sep 2, 4:44 PM EDTSpecial Weather StatementPHILehigh46 min
Sep 2, 4:52 PM EDTSpecial Weather StatementPHIBucks38 min
Sep 2, 5:05 PM EDTAreal Flood AdvisoryPHILehigh115 min
Sep 2, 5:39 PM EDTFlash Flood WarningPHILehigh2 hr
Sep 2, 5:46 PM EDTSpecial Weather StatementPHILehigh44 min
Sep 2, 6:57 PM EDTSpecial Weather StatementPHIMontgomery48 min
Sep 2, 7:59 PM EDTSpecial Weather StatementPHIChester46 min

Nearby

Areal Flood Advisories in New Jersey, 2013Every areal flood advisory in 2013

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.