Alert archive / New Jersey / Coastal Flood Statements in 2021

Coastal Flood Statement 2, NWS Philadelphia/Mount Holly

January 16, 2021Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jan 16, 2021, 12:03 PM EST for Ocean County, New Jersey. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2021, 12:03 PM EST (17:03 UTC)
Expired
Jan 16, 2021, 6:13 PM EST
In force
6 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 17:07 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, 5.1 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 2021-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
551 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

597 
WHUS41 KPHI 161703
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
1203 PM EST Sat Jan 16 2021

NJZ020-026-162000-
/O.NEW.KPHI.CF.S.0002.210116T1703Z-210116T2000Z/
Ocean-Coastal Ocean-
1203 PM EST Sat Jan 16 2021

...MINOR FLOODING ALONG BARNEGAT BAY...

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

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

* WHEN...Until 3 PM EST this afternoon.

* IMPACTS...Minor roadway flooding is possible.

&&

$$
2 follow-up statements
076 
WHUS41 KPHI 161933
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
233 PM EST Sat Jan 16 2021

NJZ020-026-170000-
/O.EXT.KPHI.CF.S.0002.000000T0000Z-210117T0000Z/
Ocean-Coastal Ocean-
233 PM EST Sat Jan 16 2021

...MINOR FLOODING CONTINUES ALONG BARNEGAT BAY...

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

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

* WHEN...Until 7 PM EST this evening.

* IMPACTS...Minor roadway flooding is possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$
044 
WHUS41 KPHI 162313
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
613 PM EST Sat Jan 16 2021

NJZ020-026-170015-
/O.CAN.KPHI.CF.S.0002.000000T0000Z-210117T0000Z/
Ocean-Coastal Ocean-
613 PM EST Sat Jan 16 2021

...MINOR FLOODING STATEMENT CANCELLED FOR BARNEGAT BAY...

Water levels have receded below minor flooding thresholds along 
Barnegat Bay, therefore any flooding has ended.

$$

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.