Alert archive / New Jersey / Coastal Flood Statements in 2022

Coastal Flood Statement 9, NWS Philadelphia/Mount Holly

December 16, 2022Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Dec 16, 2022, 11:38 PM EST for Ocean County, New Jersey. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 16, 2022, 11:38 PM EST (04:38 UTC)
Expired
Dec 17, 2022, 9:00 AM EST
In force
9 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 04:40 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, 4.6 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 2022-12-17Temperature 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 00:00Z on 2022-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 square meters per square second.1939587897117136Sfc1 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
534 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-28 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.

816 
WHUS41 KPHI 170438
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
1138 PM EST Fri Dec 16 2022

NJZ020-026-171000-
/O.NEW.KPHI.CF.S.0009.221217T0438Z-221217T1000Z/
Ocean-Coastal Ocean-
1138 PM EST Fri Dec 16 2022

...COASTAL FLOOD STATEMENT IN EFFECT UNTIL 5 AM EST SATURDAY...

* WHAT...Up to one half foot of inundation above ground level in
  low-lying areas near shorelines and tidal waterways, mainly in
  bayside locations. 

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

* WHEN...Until 5 AM EST Saturday.

* IMPACTS...At this level, flooding begins on the most vulnerable
  roads in coastal and bayside communities, and along inland tidal
  waterways. Minor roadway flooding will continue to be possible
  overnight, and some roads may be closed until water levels 
  diminish later this morning. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$
3 follow-up statements
488 
WHUS41 KPHI 170958
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
458 AM EST Sat Dec 17 2022

NJZ020-026-171300-
/O.EXT.KPHI.CF.S.0009.000000T0000Z-221217T1300Z/
Ocean-Coastal Ocean-
458 AM EST Sat Dec 17 2022

...COASTAL FLOOD STATEMENT NOW IN EFFECT UNTIL 8 AM EST THIS
MORNING...

* WHAT...Up to one half foot of inundation above ground level in 
  low-lying areas near shorelines and tidal waterways, mainly in 
  bayside locations.

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

* WHEN...Until 8 AM EST this morning.

* IMPACTS...At this level, flooding begins on the most vulnerable
  roads in coastal and bayside communities, and along inland tidal
  waterways. Minor roadway flooding will continue to be possible
  early this morning, and some roads may be closed until water 
  levels diminish later this morning.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$
064 
WHUS41 KPHI 171257
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
757 AM EST Sat Dec 17 2022

NJZ020-026-171400-
/O.EXT.KPHI.CF.S.0009.000000T0000Z-221217T1400Z/
Ocean-Coastal Ocean-
757 AM EST Sat Dec 17 2022

...COASTAL FLOOD STATEMENT NOW IN EFFECT UNTIL 9 AM EST THIS
MORNING...

* WHAT...Up to one half foot of inundation above ground level in 
  low-lying areas near shorelines and tidal waterways, mainly in 
  bayside locations.

* WHERE...Ocean and Coastal Ocean.

* WHEN...Until 9 AM EST this morning.

* IMPACTS...At this level, flooding begins on the most vulnerable
  roads in coastal and bayside communities, and along inland 
  tidal waterways. Minor roadway flooding will continue to be 
  possible this morning, and some roads may be closed until water 
  levels diminish later this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

MPS
126 
WHUS41 KPHI 171355
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
855 AM EST Sat Dec 17 2022

NJZ020-026-171500-
/O.EXP.KPHI.CF.S.0009.000000T0000Z-221217T1400Z/
Ocean-Coastal Ocean-
855 AM EST Sat Dec 17 2022

...COASTAL FLOOD STATEMENT WILL EXPIRE AT 9 AM EST THIS MORNING...

Water levels continue to drop along Barnegat Bay and the tidal 
waterways that flow into it going into low tide this morning. 
Therefore, the Coastal Flood Statement will expire at 10 am.

$$

MPS

Nearby

Coastal Flood Statements in New Jersey, 2022Every coastal flood statement in 2022

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.