Alert archive / New Jersey / Coastal Flood Statements in 2020

Coastal Flood Statement 4, NWS Philadelphia/Mount Holly

March 8, 2020Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Mar 8, 2020, 10:49 AM EDT for Ocean County, New Jersey. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Mar 8, 2020, 10:49 AM EDT (14:49 UTC)
Expired
Mar 8, 2020, 2:38 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 14:50 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, 2.8 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 2020-03-08Temperature 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 2020-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
2810 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
212 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

476 
WHUS41 KPHI 081449
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
1049 AM EDT Sun Mar 8 2020

NJZ020-026-082100-
/O.CAN.KPHI.CF.Y.0006.000000T0000Z-200308T1600Z/
/O.NEW.KPHI.CF.S.0004.200308T1449Z-200308T2100Z/
Ocean-Coastal Ocean-
1049 AM EDT Sun Mar 8 2020

...MINOR FLOODING CONTINUES ON THE UPPER BARNEGAT BAY...


* WHAT...Up to one foot of inundation above ground level in low-
  lying areas near the shoreline of the upper Barnegat Bay.

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

* WHEN...Until 5 PM EDT this afternoon.

* IMPACTS...Minor roadway flooding is possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Do not drive through flooded roadways.

&&

$$

DEZ002>004-NJZ012>014-021>025-027-081600-
/O.CAN.KPHI.CF.Y.0006.000000T0000Z-200308T1600Z/
Kent-Inland Sussex-Delaware Beaches-Middlesex-Western Monmouth-
Eastern Monmouth-Cumberland-Atlantic-Cape May-
Atlantic Coastal Cape May-Coastal Atlantic-
Southeastern Burlington-
1049 AM EDT Sun Mar 8 2020

...COASTAL FLOOD ADVISORY IS CANCELLED...

High tide has passed and no additional coastal flooding is
expected. Therefore, the Coastal Flood Advisory
has been cancelled.

$$

DEZ001-NJZ016-081600-
/O.CAN.KPHI.CF.Y.0006.000000T0000Z-200308T1700Z/
New Castle-Salem-
1049 AM EDT Sun Mar 8 2020

...COASTAL FLOOD ADVISORY IS CANCELLED...

High tide is occuring now, but water levels are holding just below
minor flooding thresholds. Therefore, the Coastal Flood Advisory
has been cancelled.

$$
1 follow-up statement
352 
WHUS41 KPHI 081838
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
238 PM EDT Sun Mar 8 2020

NJZ020-026-081945-
/O.CAN.KPHI.CF.S.0004.000000T0000Z-200308T2100Z/
Ocean-Coastal Ocean-
238 PM EDT Sun Mar 8 2020

...MINOR TIDAL FLOODING HAS ENDED ON THE UPPER BARNEGAT BAY...

Minor tidal flooding has ended on the Upper Barnegat Bay with the
past high tide cycle. Therefore, the coastal flood statement has
been cancelled. However, minor flooding is possible with the next
few high tide cycles on Upper Barnegat Bay only as winds become
more southerly.

$$

Johnson

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 9:01 PM ESTCoastal Flood StatementPHIOcean3 hr
Mar 8, 4:01 AM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 2 more7 hr

Nearby

Coastal Flood Statements in New Jersey, 2020Every coastal flood statement in 2020

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.