Alert archive / New Jersey / Areal Flood Advisories in 2014

Areal Flood Advisory 306, NWS Philadelphia/Mount Holly

July 2, 20145 counties in New Jersey

NWS Philadelphia/Mount Holly issued this areal flood advisory at Jul 2, 2014, 8:59 PM EDT for 5 counties in New Jersey. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jul 2, 2014, 8:59 PM EDT (00:59 UTC)
Expired: Jul 3, 2014, 1:00 AM EDT
In force: 4 hr
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon

Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 20 km from the middle of the area, began a volume at 01:01 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, 1.0 hours before the alert went out and 184 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1001 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 656 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.5

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 Jul 2, 8:34 PM EDT, 25 minutes earlier.

Area forecast discussion, Jul 2, 8:34 PM EDT, 25 minutes before

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Hazardous weather outlook, Jul 2, 8:28 PM EDT, 31 minutes before

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In the hours before

Special weather statement, Jul 2, 6:38 PM EDT, 2 hours 21 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
638 PM EDT WED JUL 2 2014

MDZ012-015-022345-
KENT MD-QUEEN ANNE'S MD-
638 PM EDT WED JUL 2 2014

...A STRONG THUNDERSTORM WILL AFFECT KENT AND NORTH CENTRAL QUEEN
ANNE'S COUNTIES...

AT 637 PM EDT...A STRONG THUNDERSTORM WAS NEAR BOWLEYS QUARTERS...
MOVING EAST AT 15 MPH.

WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.

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

THIS STORM WILL BE NEAR ROCK HALL AROUND 700 PM...NEWTOWN AROUND 710
PM...LANGFORD AROUND 720 PM...CHESTERTOWN AROUND 730 PM...KINGSTOWN
AROUND 740 PM AND MORGNEC AROUND 750 PM.

LAT...LON 3917 7627 3918 7628 3920 7626 3927 7623
      3930 7619 3932 7619 3936 7614 3935 7585
      3907 7598 3913 7627 3914 7629 3917 7629

FORECASTER: HEAVENER

Special weather statement, Jul 2, 7:00 PM EDT, 1 hour 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
700 PM EDT WED JUL 2 2014

NJZ009-010-012-015-PAZ060-101>106-030000-
BERKS PA-EASTERN CHESTER PA-EASTERN MONTGOMERY PA-HUNTERDON NJ-
LOWER BUCKS PA-MERCER NJ-MIDDLESEX NJ-SOMERSET NJ-UPPER BUCKS PA-
WESTERN CHESTER PA-WESTERN MONTGOMERY PA-
700 PM EDT WED JUL 2 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL BUCKS...
MONTGOMERY...NORTHERN CHESTER...NORTHERN MERCER...SOUTHEASTERN
BERKS...SOUTHERN HUNTERDON...SOUTHWESTERN SOMERSET AND WEST CENTRAL
MIDDLESEX COUNTIES...

AT 658 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
LUMBERVILLE TO NEW MORGAN...MOVING EAST AT 20 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THESE STORMS.

THESE STORMS WILL BE NEAR STOCKTON AROUND 710 PM...SAND BROOK AROUND
720 PM...NEW BRITAIN AROUND 730 PM...SPRING CITY AROUND 740 PM...
SKILLMAN AROUND 750 PM AND NORTH WALES AROUND 800 PM.

LAT...LON 4026 7601 4052 7503 4038 7446 4005 7535
      4006 7537 4004 7541 4003 7541 3996 7558
      3994 7600 3997 7600 4004 7594 4011 7595
      4014 7589 4023 7602

FORECASTER:SFJ

Special weather statement, Jul 2, 7:16 PM EDT, 1 hour 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
716 PM EDT WED JUL 2 2014

NJZ009-010-012>014-030015-
EASTERN MONMOUTH NJ-HUNTERDON NJ-MIDDLESEX NJ-SOMERSET NJ-
WESTERN MONMOUTH NJ-
716 PM EDT WED JUL 2 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT MIDDLESEX...
NORTHEASTERN MONMOUTH...SOMERSET AND SOUTHERN HUNTERDON COUNTIES...

AT 713 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
CARTERET TO SERGEANTSVILLE...MOVING EAST AT 15 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH AND AHEAD OF THESE STORMS.

THESE STORMS WILL BE NEAR SOCIETY HILL AROUND 730 PM...METUCHEN
AROUND 740 PM...WOODBRIDGE AROUND 750 PM...SOMERSET AROUND 800 PM...
HIGHLAND PARK AROUND 810 PM AND NEW BRUNSWICK AROUND 820 PM.

LAT...LON 4027 7428 4052 7506 4067 7453 4065 7451
      4067 7446 4067 7440 4060 7444 4061 7426
      4058 7420 4055 7424 4049 7426 4047 7425
      4047 7413 4043 7405 4043 7400 4048 7402
      4048 7401 4045 7396 4037 7396

FORECASTER: SFJ

Special weather statement, Jul 2, 7:26 PM EDT, 1 hour 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
726 PM EDT WED JUL 2 2014

NJZ015-018-019-PAZ071-106-030030-
CAMDEN NJ-LOWER BUCKS PA-MERCER NJ-NORTHWESTERN BURLINGTON NJ-
PHILADELPHIA PA-
726 PM EDT WED JUL 2 2014

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN PHILADELPHIA...
NORTHERN BURLINGTON...NORTHWESTERN CAMDEN...SOUTH CENTRAL MERCER AND
SOUTHEASTERN BUCKS COUNTIES...

AT 725 PM EDT...A STRONG THUNDERSTORM WAS NEAR PALMYRA...MOVING
NORTHEAST AT 30 MPH.

WIND GUSTS TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS STORM.

THIS STORM WILL BE NEAR RIVERSIDE AROUND 740 PM...BURLINGTON AROUND
750 PM...FLORENCE AROUND 800 PM...FIELDSBORO AROUND 810 PM AND
CROSSWICKS AROUND 820 PM.

LAT...LON 3987 7509 4004 7516 4006 7513 4005 7511
      4006 7509 4007 7510 4008 7509 4030 7467
      3999 7452

FORECASTER:SFJ

Special weather statement, Jul 2, 7:32 PM EDT, 1 hour 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
732 PM EDT WED JUL 2 2014

DEZ001-NJZ016-017-PAZ070-071-101>104-030030-
DELAWARE PA-EASTERN CHESTER PA-EASTERN MONTGOMERY PA-GLOUCESTER NJ-
NEW CASTLE DE-PHILADELPHIA PA-SALEM NJ-WESTERN CHESTER PA-
WESTERN MONTGOMERY PA-
732 PM EDT WED JUL 2 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT DELAWARE...EASTERN
CHESTER...NORTHERN NEW CASTLE...NORTHWESTERN GLOUCESTER...
NORTHWESTERN SALEM...SOUTHERN MONTGOMERY AND WESTERN PHILADELPHIA
COUNTIES...

AT 729 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
COLLEGEVILLE TO GRADYVILLE TO STANTON...MOVING EAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND PEA SIZE HAIL 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.

THESE STORMS WILL BE NEAR TROOPER AROUND 740 PM...NEW CASTLE AROUND
750 PM...WEST CONSHOHOCKEN AROUND 800 PM...BLUE BELL AROUND 810 PM...
FORT WASHINGTON AROUND 820 PM AND PAULSBORO AROUND 830 PM.

LAT...LON 3997 7560 4025 7557 4023 7517 4018 7509
      3999 7512 3961 7529 3962 7558 3963 7558
      3964 7555 3969 7552 3962 7560 3963 7579
      3965 7579

FORECASTER:SFJ

Special weather statement, Jul 2, 8:19 PM EDT, 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
819 PM EDT WED JUL 2 2014

NJZ010-012>015-020-030115-
EASTERN MONMOUTH NJ-MERCER NJ-MIDDLESEX NJ-OCEAN NJ-SOMERSET NJ-
WESTERN MONMOUTH NJ-
819 PM EDT WED JUL 2 2014

...A STRONG THUNDERSTORM WILL AFFECT EASTERN MERCER...MIDDLESEX...
MONMOUTH...NORTHERN OCEAN AND SOUTHEASTERN SOMERSET COUNTIES...

AT 816 PM EDT...A STRONG THUNDERSTORM WAS NEAR CLEARBROOK PARK...
MOVING EAST AT 15 MPH.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH 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 BE NEAR CONCORDIA AROUND 830 PM...YORKETOWN AROUND
840 PM...ROBERTSVILLE AROUND 850 PM...MARLBORO AROUND 900 PM...
MORGANVILLE AROUND 910 PM AND KEYPORT AROUND 920 PM.

LAT...LON 4028 7397 4018 7399 4013 7402 4002 7452
      4013 7458 4016 7464 4035 7477 4061 7434
      4060 7426 4057 7420 4055 7424 4049 7426
      4047 7425 4047 7413 4043 7405 4042 7397

FORECASTER:SFJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 8:07 PM EDT	Areal Flood Advisory	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	4 hr
Jul 2, 8:08 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Cumberland, Gloucester, Salem	52 min
Jul 2, 8:19 PM EDT	Special Weather Statement	PHI	Mercer, Middlesex, Monmouth	56 min
Jul 2, 8:25 PM EDT	Flash Flood Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Somerset	4 hr
Jul 2, 8:33 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	57 min
Jul 2, 8:53 PM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Gloucester, Ocean, Salem	67 min
Jul 2, 9:54 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Ocean	44 min
Jul 2, 10:20 PM EDT	Special Marine Warning	PHI		55 min
Jul 2, 10:30 PM EDT	Special Weather Statement	PHI	Atlantic	60 min
Jul 2, 10:38 PM EDT	Areal Flood Advisory	PHI	Burlington, Camden	112 min
Jul 2, 10:58 PM EDT	Special Weather Statement	PHI	Burlington	62 min
Jul 2, 11:17 PM EDT	Flash Flood Warning	PHI	Burlington	3 hr
Jul 3, 12:19 AM EDT	Special Marine Warning	PHI		116 min
Jul 3, 12:23 AM EDT	Special Marine Warning	PHI		67 min
Jul 3, 12:26 AM EDT	Special Marine Warning	PHI		64 min
Jul 3, 12:41 AM EDT	Severe Thunderstorm Warning	PHI	Cumberland	50 min
Jul 3, 1:00 AM EDT	Severe Thunderstorm Warning	PHI	Cumberland, Gloucester, Salem	45 min
Jul 3, 1:14 AM EDT	Special Marine Warning	PHI		61 min
Jul 3, 1:19 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 1 more	56 min
Jul 3, 1:52 AM EDT	Areal Flood Advisory	PHI	Atlantic, Burlington, Ocean	4 hr
Jul 3, 1:56 AM EDT	Severe Thunderstorm Warning	PHI	Atlantic, Burlington, Camden, Ocean	53 min
Jul 3, 2:08 AM EDT	Special Marine Warning	PHI		67 min
Jul 3, 2:34 AM EDT	Special Weather Statement	PHI	Monmouth	56 min
Jul 3, 5:46 AM EDT	Small Craft Advisory	PHI		54 hr
Jul 3, 1:22 PM EDT	Special Weather Statement	PHI	Warren	38 min
Jul 3, 1:57 PM EDT	Tornado Warning	PHI	Warren	24 min
Jul 3, 2:23 PM EDT	Special Weather Statement	PHI	Sussex	52 min
Jul 3, 3:27 PM EDT	High Surf Advisory	PHI	Atlantic, Cape May, Monmouth, Ocean	41 hr
Jul 3, 4:26 PM EDT	Special Weather Statement	PHI	Warren	49 min
Jul 3, 5:00 PM EDT	Severe Thunderstorm Warning	PHI	Morris, Sussex	60 min
Jul 3, 5:21 PM EDT	Special Weather Statement	PHI	Sussex	54 min
Jul 3, 5:50 PM EDT	Severe Thunderstorm Warning	PHI	Sussex	55 min
Jul 3, 6:17 PM EDT	Areal Flood Advisory	PHI	Sussex	4 hr
Jul 3, 6:38 PM EDT	Special Weather Statement	PHI	Warren	67 min
Jul 3, 6:42 PM EDT	Flash Flood Warning	PHI	Sussex	4 hr
Jul 3, 6:46 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Camden, Gloucester	44 min
Jul 3, 6:47 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Sussex, Warren	58 min
Jul 3, 7:02 PM EDT	Areal Flood Advisory	PHI	Sussex, Warren	4 hr
Jul 3, 7:05 PM EDT	Special Weather Statement	PHI	Hunterdon	55 min
Jul 3, 7:14 PM EDT	Special Weather Statement	PHI	Sussex	61 min
Jul 3, 7:20 PM EDT	Severe Thunderstorm Warning	PHI	Mercer, Middlesex, Morris, Somerset	55 min
Jul 3, 7:25 PM EDT	Severe Thunderstorm Warning	PHI	Hunterdon, Mercer, Morris, Somerset, Warren	65 min
Jul 3, 7:29 PM EDT	Severe Thunderstorm Warning	PHI	Burlington, Mercer, Middlesex, Monmouth, Ocean	61 min
Jul 3, 7:44 PM EDT	Flash Flood Warning	PHI	Mercer, Middlesex, Morris, Somerset	4 hr
Jul 2, 10:08 PM EDT	Special Weather Statement	PHI	Delaware, Philadelphia	67 min
Jul 3, 3:15 PM EDT	Special Weather Statement	PHI	Lebanon	45 min
Jul 3, 4:08 PM EDT	Special Weather Statement	PHI	Carbon	52 min
Jul 3, 5:06 PM EDT	Special Weather Statement	PHI	Monroe	24 min
Jul 3, 5:36 PM EDT	Severe Thunderstorm Warning	PHI	Chester	69 min
Jul 3, 5:55 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	35 min
Jul 3, 5:58 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	62 min
Jul 3, 6:02 PM EDT	Tornado Warning	PHI	Carbon, Monroe	28 min
Jul 3, 6:19 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	56 min
Jul 3, 6:21 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	39 min
Jul 3, 6:54 PM EDT	Special Weather Statement	PHI	Montgomery	66 min
Jul 2, 10:24 PM EDT	Special Weather Statement	PHI	Cecil	36 min
Jul 2, 10:50 PM EDT	Special Weather Statement	PHI	Talbot	55 min
Jul 2, 11:20 PM EDT	Special Weather Statement	PHI	Caroline, Queen Anne's	55 min
Jul 2, 11:24 PM EDT	Severe Thunderstorm Warning	PHI	Kent, Queen Anne's, Talbot	66 min
Jul 2, 11:47 PM EDT	Severe Thunderstorm Warning	PHI	Caroline, Talbot	58 min
Jul 3, 12:04 AM EDT	Severe Thunderstorm Warning	PHI	Caroline, Kent, Queen Anne's	56 min
Jul 3, 12:34 AM EDT	Areal Flood Advisory	PHI	Cecil, Kent, Queen Anne's	3 hr
Jul 3, 7:00 PM EDT	Special Weather Statement	PHI	Caroline, Kent, Queen Anne's, Talbot	60 min

Nearby

Areal Flood Advisories in New Jersey, 2014 Every areal flood advisory in 2014

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.