Alert archive / New Jersey / Coastal Flood Advisories in 2007

Coastal Flood Advisory 21, NWS Philadelphia/Mount Holly

October 25, 20076 counties in New Jersey; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood advisory at Oct 25, 2007, 4:30 AM EDT for 6 counties in New Jersey; Kent County, Sussex County, Delaware. It took effect at Oct 25, 2007, 6:00 AM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 25, 2007, 4:30 AM EDT (08:30 UTC)
In effect from
Oct 25, 2007, 6:00 AM EDT
Expired
Oct 25, 2007, 10:00 AM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly

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

The radar

The Philadelphia radar (KDIX), 64 km from the middle of the area, began a volume at 08:29 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 00:00Z, 8.5 hours before the alert went out and 178 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 00:00Z on 2007-10-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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 00:00Z on 2007-10-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
43 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WHUS41 KPHI 250830
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
430 AM EDT THU OCT 25 2007

DEZ002>004-NJZ013-014-020>027-251400-
/O.NEW.KPHI.CF.Y.0021.071025T1000Z-071025T1400Z/
KENT DE-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
430 AM EDT THU OCT 25 2007

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

A BRISK NORTHEAST WIND, ALONG WITH THE HIGH ASTRONOMICAL TIDES 
ASSOCIATED WITH THE FULL MOON, MAY RESULT IN MINOR TIDAL FLOODING 
THIS MORNING ALONG THE COASTS OF NEW JERSEY AND DELAWARE.

HIGH TIDE ALONG THE NEW JERSEY AND DELAWARE OCEANFRONT OCCURS 
BETWEEN 700 AM AND 800 AM THIS MORNING.  HIGH TIDES OCCURS LATER ON 
THE BACK BAYS AND ALONG DELAWARE BAY.

DO NOT PARK YOUR VEHICLE IN A LOCATION THAT IS PRONE TO TIDAL 
FLOODING.  ALSO, DO NOT DRIVE THROUGH FLOOD WATERS, THE WATER MAY BE 
DEEPER THAN YOU THINK IT IS.

THE NORTHEAST WIND IS EXPECTED TO CONTINUE INTO EARLY FRIDAY.  WHILE 
TIDAL DEPARTURES WILL INCREASE FOR THIS EVENINGS HIGH TIDE, THE 
ASTRONOMICAL TIDES WILL BE LOWER.  AS A RESULT, ONLY SPOTTY MINOR 
TIDAL FLOODING IS EXPECTED AT THAT TIME.

A MORE WIDESPREAD MINOR TIDAL FLOODING EVENT MAY OCCUR ON FRIDAY 
MORNING WHEN THE GREATEST TIDAL DEPARTURES ARE EXPECTED TO COINCIDE 
WITH ANOTHER ROUND OF HIGH ASTRONOMICAL TIDES.

$$

IOVINO
1 follow-up statement
000 
WHUS41 KPHI 251334
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
934 AM EDT THU OCT 25 2007


DEZ002>004-NJZ013-014-020>027-251445-
/O.EXP.KPHI.CF.Y.0021.000000T0000Z-071025T1400Z/
KENT DE-INLAND SUSSEX-DELAWARE BEACHES-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
934 AM EDT THU OCT 25 2007

...COASTAL FLOOD ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING...

THE COASTAL FLOOD ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING.

THE COASTAL FLOOD ADVISORY MAY BE NEEDED AGAIN FOR FRIDAY MORNING
AS THE COMBINATION OF ONSHORE FLOW AND HIGH TIDES ASSOCIATED WITH
THE FULL MOON COULD CAUSE MINOR TIDAL FLOODING.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 25, 3:10 PM EDTCoastal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 3 more25 hr

Nearby

Coastal Flood Advisories in New Jersey, 2007Coastal Flood Advisories in Delaware, 2007Every coastal flood advisory in 2007

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.