Alert archive / New Jersey / Coastal Flood Statements in 2012

Coastal Flood Statement 22, NWS Philadelphia/Mount Holly

July 30, 2012Kent County, New Castle County, Sussex County, Delaware; 7 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jul 30, 2012, 11:30 AM EDT for Kent County, New Castle County, Sussex County, Delaware; 7 counties in New Jersey. It took effect at Jul 30, 2012, 4:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2012, 11:30 AM EDT (15:30 UTC)
In effect from
Jul 30, 2012, 4:00 PM EDT
Expired
Jul 31, 2012, 12:00 AM EDT
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ

The radar

The Philadelphia radar (KDIX), 69 km from the middle of the area, began a volume at 15:33 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

Wallops Is Stn, VA (KWAL), launched 12:00Z, 3.5 hours before the alert went out and 177 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, Wallops Is Stn, VA at 12:00Z on 2012-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1002 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, Wallops Is Stn, VA at 12:00Z on 2012-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.193958Sfc1 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
1002 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
689 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

221 
WHUS41 KPHI 301530
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1130 AM EDT MON JUL 30 2012


DEZ002>004-NJZ013-014-020>027-302330-
/O.NEW.KPHI.CF.S.0022.120730T2000Z-120731T0400Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
1130 AM EDT MON JUL 30 2012

...POCKETS OF MINOR TIDAL FLOODING POSSIBLE THIS EVENING...

* LOCATION...THE NEW JERSEY AND DELAWARE COASTS INCLUDING THE BACK
  BAYS, RARITAN BAY, AND LOWER PORTION OF DELAWARE BAY.

* COASTAL FLOODING...POCKETS OF MINOR FLOODING, MAINLY OCCURRING
  ONE HOUR EITHER SIDE OF THE TIME OF HIGH TIDE.

* TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONTS
  OCCURS BETWEEN APPROXIMATELY BETWEEN 6 PM AND 8 PM. HIGH TIDE ON
  THE BACK BAYS, AND ALONG DELAWARE BAY, OCCURS LATER.

* SEAS...WAVE HEIGHTS ON THE OCEAN WILL BE AROUND 2 FEET. WAVE
  HEIGHTS ON DELAWARE BAY WILL BE 1 TO 2 FEET.

* IMPACTS...LOCALIZED ROADWAY FLOODING IS POSSIBLE.

* OUTLOOK...SPOTTY TIDAL FLOODING IS AGAIN POSSIBLE TOMORROW AND
  WEDNESDAY EVENING DURING THE HIGHER OF THE TWO DAILY ASTRONOMICAL
  HIGH TIDES.

$$

KRUZDLO
2 follow-up statements
144 
WHUS41 KPHI 302233
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
633 PM EDT MON JUL 30 2012

DEZ002>004-NJZ013-014-020>027-310400-
/O.CON.KPHI.CF.S.0022.000000T0000Z-120731T0400Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
633 PM EDT MON JUL 30 2012

...POCKETS OF MINOR TIDAL FLOODING ARE POSSIBLE THROUGH LATE THIS
EVENING... 

* LOCATION...THE NEW JERSEY AND DELAWARE COASTS INCLUDING THE BACK
  BAYS...RARITAN BAY...DELAWARE BAY.

* COASTAL FLOODING...POCKETS OF MINOR FLOODING...MAINLY OCCURRING
  ONE HOUR EITHER SIDE OF THE TIME OF HIGH TIDE.

* TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONTS
  OCCURS BETWEEN APPROXIMATELY BETWEEN 6 PM AND 8 PM. HIGH TIDE ON
  THE BACK BAYS...AND ALONG DELAWARE BAY...OCCURS LATER.

* SEAS...WAVE HEIGHTS ON THE OCEAN WILL BE AROUND 2 FEET. WAVE 
  HEIGHTS ON DELAWARE BAY WILL BE 1 TO 2 FEET.

* IMPACTS...LOCALIZED ROADWAY FLOODING IS POSSIBLE.

* OUTLOOK...SPOTTY TIDAL FLOODING IS AGAIN POSSIBLE TOMORROW AND 
  WEDNESDAY EVENING DURING THE HIGHER OF THE TWO DAILY 
  ASTRONOMICAL HIGH TIDES.

$$
523 
WHUS41 KPHI 302343
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
743 PM EDT MON JUL 30 2012

DEZ001-NJZ016-310400-
/O.EXA.KPHI.CF.S.0022.000000T0000Z-120731T0400Z/
NEW CASTLE-SALEM-
743 PM EDT MON JUL 30 2012

...POCKETS OF MINOR TIDAL FLOODING POSSIBLE THROUGH LATE THIS
EVENING...

* LOCATION...UPPER DELAWARE BAY.

* COASTAL FLOODING...POCKETS OF MINOR FLOODING...MAINLY 
  OCCURRING ONE HOUR EITHER SIDE OF THE TIME OF HIGH TIDE.

* TIMING..HIGH TIDE OCCURS AT REEDY POINT AROUND 930 PM.

* IMPACTS...LOCALIZED ROADWAY FLOODING IS POSSIBLE.

* OUTLOOK...SPOTTY TIDAL FLOODING IS AGAIN POSSIBLE TUESDAY AND WEDNESDAY
  EVENING DURING THE HIGHER OF THE TWO DAILY ASTRONOMICAL HIGH
  TIDES.

$$

DEZ002>004-NJZ013-014-020>027-310400-
/O.CON.KPHI.CF.S.0022.000000T0000Z-120731T0400Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
743 PM EDT MON JUL 30 2012

...POCKETS OF MINOR TIDAL FLOODING POSSIBLE THROUGH LATE THIS
EVENING...

* LOCATION...THE NEW JERSEY AND DELAWARE COASTS INCLUDING THE 
  BACK BAYS...RARITAN BAY...AND THE LOWER DELAWARE BAY.

* COASTAL FLOODING...POCKETS OF MINOR FLOODING...MAINLY 
  OCCURRING ONE HOUR EITHER SIDE OF THE TIME OF HIGH TIDE.

* TIMING...HIGH TIDE ON THE NEW JERSEY AND DELAWARE OCEANFRONTS
  HAS OCCURRED OR WILL OCCUR SHORTLY. HIGH TIDE ON THE BACK
  BAYS...AND ALONG THE LOWER DELAWARE BAY...OCCURS LATER.

* SEAS...WAVE HEIGHTS ON THE OCEAN WILL BE AROUND 2 FEET. WAVE 
  HEIGHTS ON DELAWARE BAY WILL BE 1 TO 2 FEET.

* IMPACTS...LOCALIZED ROADWAY FLOODING IS POSSIBLE.

* OUTLOOK...SPOTTY TIDAL FLOODING IS AGAIN POSSIBLE TUESDAY AND
  WEDNESDAY EVENING DURING THE HIGHER OF THE TWO DAILY
  ASTRONOMICAL HIGH TIDES.

$$

Nearby

Coastal Flood Statements in New Jersey, 2012Coastal Flood Statements in Delaware, 2012Every coastal flood statement in 2012

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.