Alert archive / New Jersey / Coastal Flood Statements in 2021

Coastal Flood Statement 10, NWS Philadelphia/Mount Holly

October 16, 2021Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Oct 16, 2021, 6:52 PM EDT for Ocean County, New Jersey. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 16, 2021, 6:52 PM EDT (22:52 UTC)
Expired
Oct 16, 2021, 11:00 PM EDT
In force
4 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 22:53 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, 10.9 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 12:00Z on 2021-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1068 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

234 
WHUS41 KPHI 162252
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
652 PM EDT Sat Oct 16 2021

NJZ020-026-170300-
/O.NEW.KPHI.CF.S.0010.211016T2252Z-211017T0300Z/
Ocean-Coastal Ocean-
652 PM EDT Sat Oct 16 2021

...MINOR TIDAL FLOODING ALONG BARNEGAT BAY...

* WHAT...Less than one foot of inundation above ground level in
  low-lying areas near shorelines and tidal waterways. The
  Barnegat Bay at Mantoloking tide gauge is reporting minor
  flooding as is the gauge in Bay Shore.

* WHERE...Barnegat Bay and the tidal waterways that flow into it.

* WHEN...Until 11 PM EDT this evening.

* IMPACTS...Minor roadway flooding is possible.

* ADDITIONAL DETAILS...Flooding is expected to be only localized,
  and should subside following this evening's high tide.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

$$

Kruzdlo

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 16, 10:35 AM EDTCoastal Flood StatementPHIOcean2 hr
Oct 16, 3:22 PM EDTSpecial Marine WarningPHI113 min
Oct 16, 3:31 PM EDTSevere Thunderstorm WarningPHISalem18 min
Oct 16, 3:41 PM EDTSpecial Weather StatementPHIHunterdon, Sussex, Warren49 min
Oct 16, 4:02 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Morris, Somerset43 min
Oct 16, 4:18 PM EDTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 1 more57 min
Oct 16, 5:10 PM EDTSpecial Marine WarningPHI95 min
Oct 16, 5:29 PM EDTSpecial Marine WarningPHI91 min
Oct 16, 6:09 PM EDTSpecial Marine WarningPHI66 min

Nearby

Coastal Flood Statements in New Jersey, 2021Every coastal flood statement in 2021

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.