Alert archive / New Jersey / Coastal Flood Advisories in 2017

Coastal Flood Advisory 26, NWS Philadelphia/Mount Holly

October 30, 2017Middlesex County, Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood advisory at Oct 30, 2017, 5:30 AM EDT for Middlesex County, Monmouth County, New Jersey. It was in force for 114 min.

The area

The counties it named.

The facts

Issued
Oct 30, 2017, 5:30 AM EDT (09:30 UTC)
Expired
Oct 30, 2017, 7:24 AM EDT
In force
114 min
Issued by
NWS Philadelphia/Mount Holly

Counties Middlesex County, NJ, Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 09:34 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 00:00Z, 9.5 hours before the alert went out and 132 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 00:00Z on 2017-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 176 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 00:00Z on 2017-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 355 square meters per square second.1939587897117Sfc1 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
176 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
463 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
355 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal 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 coastal flood advisory went out at Oct 30, 4:55 AM EDT, 35 minutes earlier.

Area forecast discussion, Oct 30, 4:55 AM EDT, 35 minutes before
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Hazardous weather outlook, Oct 30, 4:08 AM EDT, 1 hour 22 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
408 AM EDT Mon Oct 30 2017

DEZ001>004-MDZ008-012-015-019-020-NJZ001-007>010-012>027-PAZ054-055-
060>062-070-071-101>106-310815-
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-
408 AM EDT Mon Oct 30 2017

...WIND ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

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.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Wind Advisory.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ANZ430-431-450>455-310815-
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-
408 AM EDT Mon Oct 30 2017

...GALE WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING...

This Hazardous Weather Outlook is for Atlantic coastal waters and
Delaware Bay Waters.

.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.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

CMS

In the hours before

Local storm report, Oct 30, 2:38 AM EDT, 2 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
238 AM EDT MON OCT 30 2017

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

0130 AM     NON-TSTM WND DMG UPPER MOUNT BETHEL TWP  40.90N  75.17W
10/30/2017                   NORTHAMPTON        PA   SOCIAL MEDIA

            NUMEROUS REPORTS OF TREES AND WIRES DOWN THROUGHOUT
            NORTHAMPTON COUNTY.

&&

EVENT NUMBER PHI1701745

CMS
Local storm report, Oct 30, 3:39 AM EDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
339 AM EDT MON OCT 30 2017

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

0251 AM     NON-TSTM WND DMG 1 SSE ARROWHEAD LAKE    41.14N  75.57W
10/30/2017                   MONROE             PA   DEPT OF HIGHWAYS

            DOWNED TREE IN WIRES ON LOCUST RIDGE ROAD NEAR
            CAUGHBAUGH ROAD. LANE RESTRICTIONS IN PLACE.

&&

EVENT NUMBER PHI1701746

CMS
Local storm report, Oct 30, 4:46 AM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
446 AM EDT MON OCT 30 2017

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

0818 PM     HEAVY RAIN       1 NNE ISLAND BEACH      39.85N  74.09W
10/29/2017  M2.48 INCH       OCEAN              NJ   MESONET

0900 PM     HEAVY RAIN       SEASIDE HEIGHTS         39.94N  74.08W
10/29/2017  M2.92 INCH       OCEAN              NJ   TRAINED SPOTTER

0930 PM     HEAVY RAIN       2 E RANDOLPH TWP        40.85N  74.53W
10/29/2017  M4.00 INCH       MORRIS             NJ   COCORAHS

0943 PM     HEAVY RAIN       MOUNT LAUREL            39.93N  74.89W
10/29/2017  M3.40 INCH       BURLINGTON         NJ   RETIRED MET

0945 PM     HEAVY RAIN       WILLIAMSTOWN            39.69N  74.98W
10/29/2017  M2.65 INCH       GLOUCESTER         NJ   TRAINED SPOTTER

1000 PM     HEAVY RAIN       2 SE BURNT MILLS        40.62N  74.66W
10/29/2017  M2.92 INCH       SOMERSET           NJ   TRAINED SPOTTER

1012 PM     HEAVY RAIN       1 NE TROY HILLS         40.87N  74.37W
10/29/2017  M2.43 INCH       MORRIS             NJ   METEOROLOGIST

1115 PM     HEAVY RAIN       KEYPORT                 40.43N  74.20W
10/29/2017  M3.89 INCH       MONMOUTH           NJ   TRAINED SPOTTER

1200 AM     HEAVY RAIN       NEWHARD                 40.72N  75.62W
10/30/2017  M1.52 INCH       LEHIGH             PA   TRAINED SPOTTER

1200 AM     HEAVY RAIN       2 SSW PLUCKEMIN         40.62N  74.65W
10/30/2017  M3.58 INCH       SOMERSET           NJ   COCORAHS

&&

EVENT NUMBER PHI1701747
EVENT NUMBER PHI1701748
EVENT NUMBER PHI1701749
EVENT NUMBER PHI1701750
EVENT NUMBER PHI1701751
EVENT NUMBER PHI1701752
EVENT NUMBER PHI1701753
EVENT NUMBER PHI1701754
EVENT NUMBER PHI1701755
EVENT NUMBER PHI1701756

CMS
Local storm report, Oct 30, 5:10 AM EDT, 20 minutes before
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Local storm report, Oct 30, 5:12 AM EDT, 18 minutes before
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Local storm report, Oct 30, 5:25 AM EDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 29, 10:01 PM EDTAreal Flood WarningPHIHunterdon, Mercer6 hr
Oct 30, 9:33 AM EDTSmall Craft AdvisoryPHI32 hr
Oct 29, 8:11 PM EDTAreal Flood WarningPHIChester, Delaware6 hr
Oct 29, 8:30 PM EDTAreal Flood AdvisoryPHICarbon, Lehigh, Monroe, Northampton6 hr
Oct 30, 12:00 AM EDTCoastal Flood AdvisoryPHICaroline, Queen Anne's, Talbot4 hr

Nearby

Coastal Flood Advisories in New Jersey, 2017Every coastal flood advisory in 2017

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.