Alert archive / New Jersey / Coastal Flood Statements in 2011

Coastal Flood Statement 23, NWS Philadelphia/Mount Holly

June 15, 2011Kent County, New Castle County, Delaware; Delaware County, Philadelphia County, Pennsylvania; 5 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Jun 15, 2011, 3:57 AM EDT for Kent County, New Castle County, Delaware; Delaware County, Philadelphia County, Pennsylvania; 5 counties in New Jersey. It took effect at Jun 15, 2011, 10:00 PM EDT. It was in force for .

The area

The counties it named.

The facts

Issued
Jun 15, 2011, 3:57 AM EDT (07:57 UTC)
In effect from
Jun 15, 2011, 10:00 PM EDT
Expired
Jun 15, 2011, 3:05 PM EDT
In force
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 07:59 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, 8.0 hours before the alert went out and 193 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 2011-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 86 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 2011-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.19395878Sfc1 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
86 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
74 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.

848 
WHUS41 KPHI 150757
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
357 AM EDT WED JUN 15 2011

DEZ003-004-NJZ012>014-020-022>027-152100-
/O.NEW.KPHI.CF.Y.0024.110615T2200Z-110616T0400Z/
INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
357 AM EDT WED JUN 15 2011

...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT EDT TONIGHT...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT EDT TONIGHT. 

* COASTAL FLOODING...FOR COASTAL AREAS OF NEW JERSEY AND
  DELAWARE...INCLUDING RARITAN BAY AND THE BACK BAYS.

* TIMING...HIGH TIDE OCCURS ALONG THE NEW JERSEY AND DELAWARE
  COASTS BETWEEN 800 PM AND 930 PM. HIGH TIDE ON RARITAN BAY AND
  THE BACKS BAYS OCCUR LATER THAN ON THE OCEANFRONT.

* IMPACTS...FLOODING OF ROADS ALONG THE IMMEDIATE COAST IS
  ANTICIPATED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$

DEZ001-002-NJZ016>019-021-PAZ070-071-152100-
/O.NEW.KPHI.CF.S.0023.110616T0200Z-110616T0800Z/
NEW CASTLE-KENT-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
CUMBERLAND-DELAWARE-PHILADELPHIA-
357 AM EDT WED JUN 15 2011

...SPOTTY MINOR TIDAL FLOODING IS POSSIBLE AROUND THE TIME OF HIGH
TIDE LATE TONIGHT AND EARLY THURSDAY MORNING...

HIGH ASTRONOMICAL TIDES...COMBINED WITH AN EXPECTED POSITIVE TIDE
ANOMALY...MAY RESULT IN SPOTTY MINOR TIDAL FLOODING AROUND THE
TIME OF HIGH TIDE LATE TONIGHT AND EARLY THURSDAY MORNING. HIGH
TIDE OCCURS AT REEDY POINT DELAWARE AROUND 1145 PM TONIGHT...AND
HIGH TIDE IN PHILADELPHIA OCCURS AROUND 215 AM THURSDAY.

$$
 
HAYES
1 follow-up statement
353 
WHUS41 KPHI 151905
CFWPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
305 PM EDT WED JUN 15 2011

DEZ001-002-NJZ016>019-021-PAZ070-071-152015-
/O.CAN.KPHI.CF.S.0023.110616T0200Z-110616T0800Z/
NEW CASTLE-KENT-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
CUMBERLAND-DELAWARE-PHILADELPHIA-
305 PM EDT WED JUN 15 2011

...ISOLATED MINOR TIDAL FLOODING EXPECTED LATE TONIGHT AND EARLY
THURSDAY MORNING...

LOCATIONS ALONG THE UPPER DELAWARE BAY AND TIDAL DELAWARE RIVER
SHOULD ONLY EXPERIENCE ISOLATED AND VERY MINOR TIDAL FLOODING
TONIGHT.

$$

DEZ003-004-NJZ012>014-020-022>027-160400-
/O.CON.KPHI.CF.Y.0024.110615T2200Z-110616T0400Z/
INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
305 PM EDT WED JUN 15 2011

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO MIDNIGHT EDT TONIGHT...

A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO MIDNIGHT EDT TONIGHT. 

* COASTAL FLOODING...FOR COASTAL AREAS OF NEW JERSEY AND
  DELAWARE...INCLUDING RARITAN BAY...THE BACK BAYS AND LOWER
  DELAWARE BAY.

* TIMING...HIGH TIDE OCCURS ALONG THE NEW JERSEY AND DELAWARE
  COASTS AND RARITAN BAY BETWEEN 800 PM AND 900 PM. HIGH TIDE ON
  THE BACKS BAYS AND LOWER DELAWARE BAY OCCURS LATER.

* IMPACTS...MINOR FLOODING OF ROADS ALONG THE IMMEDIATE COAST IS 
  ANTICIPATED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE MINOR FLOODING OF LOW AREAS ALONG THE
SHORE.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 9:31 PM EDTSpecial Weather StatementPHISussex89 min
Jun 14, 10:19 PM EDTSpecial Weather StatementPHISussex56 min
Jun 15, 3:57 AM EDTCoastal Flood AdvisoryPHISussex20 hr
Jun 15, 12:58 AM EDTCoastal Flood StatementPHIDelaware, Philadelphia2 hr
Jun 14, 9:48 PM EDTSpecial Marine WarningPHI27 min
Jun 14, 9:57 PM EDTSpecial Weather StatementPHIOcean93 min
Jun 14, 11:11 PM EDTSpecial Marine WarningPHI64 min
Jun 15, 3:34 PM EDTSpecial Weather StatementPHIWarren56 min
Jun 15, 4:08 PM EDTSpecial Weather StatementPHIWarren52 min
Jun 15, 6:00 PM EDTSpecial Weather StatementPHIWarren60 min

Nearby

Coastal Flood Statements in New Jersey, 2011Coastal Flood Statements in Delaware, 2011Coastal Flood Statements in Pennsylvania, 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.