Alert archive / New Jersey / Coastal Flood Statements in 2018

Coastal Flood Statement 1, NWS Philadelphia/Mount Holly

October 28, 2018Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Oct 28, 2018, 7:36 AM EDT for Ocean County, New Jersey. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Oct 28, 2018, 7:36 AM EDT (11:36 UTC)
Expired
Oct 28, 2018, 10:00 PM EDT
In force
14 hr
Issued by
NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 16 km from the middle of the area, began a volume at 11:36 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, 11.6 hours before the alert went out and 162 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 2018-10-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2018-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 square meters per square second.1939587897117136156Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
444 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
421 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

671 
WHUS41 KPHI 281136
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
736 AM EDT Sun Oct 28 2018

NJZ020-026-290200-
/O.NEW.KPHI.CF.S.0001.181028T1136Z-181029T0200Z/
Ocean-Coastal Ocean-
736 AM EDT Sun Oct 28 2018

...Localized coastal flooding on Barnegat Bay through this evening...

* LOCATIONS...Along Barnegat Bay.

* TIMING...There could be prolonged tidal flooding on Barnegat Bay
  only through the day, but there could be a lull around low tide
  this afternoon.

* COASTAL FLOOD IMPACTS...Up to one half foot of saltwater
  inundation above ground level is possible in low-lying areas
  near shorelines and tidal waterways. Some locations that could
  be affected include Bay Head, Mantoloking, Brick Township, and 
  Silverton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not leave your vehicle at a location that is prone to tidal 
flooding. Do not drive your vehicle through flood waters. The 
water may be deeper than you think it is. You will be putting 
yourself in danger and your vehicle may be damaged...leading to 
costly repairs.

Visit the Advanced Hydrologic Prediction Service at
water.weather.gov/ahps for additional water level and flood
impact information for your local tide gauge.

&&

Time of high total tides are approximate to the nearest hour.

Barnegat Light NJ
MLLW Categories - Minor 3.5 FT, Moderate 4.5 FT, Major 5.5 FT
MHHW Categories - Minor 1.0 FT, Moderate 2.0 FT, Major 3.0 FT

             Total      Total    Departure          
 Day/Time    Tide       Tide     from Norm   Flood  
            ft MLLW    ft MHHW       ft      Impact 
 --------  ---------  ---------  ---------  --------
 28/11 AM     3.7        1.2        0.7       Minor    
 28/11 PM     2.7        0.2        0.5        None    
 29/12 PM     3.0        0.5        0.1        None    
 30/12 AM     2.1       -0.4        0.0        None    
 30/01 PM     2.7        0.2       -0.1        None    
 31/01 AM     2.1       -0.4        0.0        None

&&

$$

CMS/SFJ/TCD

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 12:12 AM EDTSmall Craft AdvisoryPHI24 hr

Nearby

Coastal Flood Statements in New Jersey, 2018Every coastal flood statement in 2018

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.