Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 28, NWS Philadelphia/Mount Holly

July 30, 2011Atlantic County, Cape May County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jul 30, 2011, 4:15 PM EDT for Atlantic County, Cape May County, Ocean County, New Jersey. It took effect at Jul 30, 2011, 7:00 PM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2011, 4:15 PM EDT (20:15 UTC)
In effect from
Jul 30, 2011, 7:00 PM EDT
Expired
Jul 30, 2011, 11:00 PM EDT
In force
4 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Cape May County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 20:12 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, 8.3 hours before the alert went out and 186 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 2011-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 188 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 2011-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
188 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
1202 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
-20 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.

455 
WHUS41 KPHI 302015
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
415 PM EDT SAT JUL 30 2011

...SPOTTY MINOR TIDAL FLOODING IS POSSIBLE AROUND THE TIME OF HIGH
TIDE ALONG THE COAST THIS EVENING...

.NORMALLY HIGH ASTRONOMICAL TIDES ARE DUE TO THE NEW MOON.

NJZ020-022>026-310300-
/O.NEW.KPHI.CF.S.0028.110730T2300Z-110731T0300Z/
OCEAN-ATLANTIC-CAPE MAY-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
415 PM EDT SAT JUL 30 2011

* LOCATION...THE CENTRAL AND SOUTHERN NEW JERSEY COAST AND BACK
  BAYS.

* COASTAL FLOODING...SPOTTY MINOR TIDAL FLOODING AROUND THE TIME
  OF HIGH TIDE.

* TIMING...FROM 7:30 PM TO 9:30 PM THIS EVENING ALONG THE OCEAN
  FRONT...AND AN HOUR OR SO LATER ON THE BACK BAYS.

* IMPACTS...THE MORE FLOOD-PRONE LOCATIONS MAY EXPERIENCE MINOR
  TIDAL FLOODING. ROADS IN SUCH LOCATIONS MAY FLOOD.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 8:01 PM EDTSpecial Weather StatementPHIBurlington, Mercer, Ocean59 min
Jul 29, 8:21 PM EDTSpecial Marine WarningPHI84 min
Jul 29, 8:27 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean18 min
Jul 29, 8:34 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean44 min
Jul 29, 8:57 PM EDTSpecial Weather StatementPHIAtlantic63 min
Jul 29, 9:13 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean62 min
Jul 29, 9:15 PM EDTSpecial Marine WarningPHI60 min
Jul 29, 9:34 PM EDTSpecial Marine WarningPHI56 min
Jul 29, 10:31 PM EDTSpecial Marine WarningPHI59 min

Nearby

Coastal Flood Statements in New Jersey, 2011Every coastal flood statement in 2011

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.