Alert archive / New Jersey / Coastal Flood Statements in 2009

Coastal Flood Statement 13, NWS Philadelphia/Mount Holly

October 30, 200910 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware; Delaware County, Philadelphia County, Pennsylvania

NWS Philadelphia/Mount Holly issued this coastal flood statement at Oct 30, 2009, 3:05 AM EDT for 10 counties in New Jersey; Kent County, New Castle County, Sussex County, Delaware; Delaware County, Philadelphia County, Pennsylvania. It took effect at Oct 30, 2009, 5:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2009, 3:05 AM EDT (07:05 UTC)
In effect from
Oct 30, 2009, 5:00 AM EDT
Expired
Oct 30, 2009, 1:00 PM 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, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 58 km from the middle of the area, began a volume at 07:09 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, 7.1 hours before the alert went out and 195 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 2009-10-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2009-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
51 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.

000 
WHUS41 KPHI 300705
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
305 AM EDT FRI OCT 30 2009

DEZ002>004-NJZ012>014-020>027-301300-
/O.NEW.KPHI.CF.S.0013.091030T0900Z-091030T1300Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
305 AM EDT FRI OCT 30 2009

...SPOTTY MINOR TIDAL FLOODING THIS MORNING...

THE PERSISTENT ONSHORE FLOW HAS NOT BEEN ALLOWING WATER TO DRAIN
FROM THE BACK BAYS OF NEW JERSEY AND DELAWARE OR FROM DELAWARE
BAY. AS A RESULT, SPOTTY MINOR TIDAL FLOODING IS EXPECTED AROUND
THE TIMES OF HIGH TIDE THIS MORNING. HIGH TIDE OCCURS ALONG THE
OCEANFRONT BETWEEN 5:00 AND 6:00 AM AND IT OCCURS LATER ON THE
BACK BAYS AND ALONG DELAWARE BAY.

DO NOT LEAVE 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.

$$

DEZ001-NJZ016>019-PAZ070-071-301700-
/O.NEW.KPHI.CF.S.0013.091030T1200Z-091030T1700Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
305 AM EDT FRI OCT 30 2009

...SPOTTY MINOR TIDAL FLOODING FROM THIS MORNING INTO EARLY
AFTERNOON... 

THE PERSISTENT ONSHORE FLOW HAS NOT BEEN ALLOWING WATER TO DRAIN
FROM UPPER DELAWARE BAY OR FROM THE LOWER DELAWARE RIVER. AS A
RESULT, SPOTTY MINOR TIDAL FLOODING IS EXPECTED AROUND THE TIMES OF
HIGH TIDE FROM THIS MORNING INTO EARLY THIS AFTERNOON. HIGH TIDE
OCCURS AT 9:13 AM AT REEDY POINT, DELAWARE AND AT 11:47 AM AT
PHILADELPHIA. 

DO NOT LEAVE 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.

$$

IOVINO
1 follow-up statement
000 
WHUS41 KPHI 301314
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
914 AM EDT FRI OCT 30 2009

DEZ002>004-NJZ012>014-020>027-301415-
/O.EXP.KPHI.CF.S.0013.000000T0000Z-091030T1300Z/
KENT-INLAND SUSSEX-DELAWARE BEACHES-MIDDLESEX-WESTERN MONMOUTH-
EASTERN MONMOUTH-OCEAN-CUMBERLAND-ATLANTIC-CAPE MAY-
ATLANTIC COASTAL CAPE MAY-COASTAL ATLANTIC-COASTAL OCEAN-
SOUTHEASTERN BURLINGTON-
914 AM EDT FRI OCT 30 2009

...MINOR TIDAL FLOODING IS ENDING...

THE HIGH TIDE CYCLE HAS OCCURRED ACROSS THE REGION. ANY POCKETS OF
MINOR TIDAL FLOODING WILL BE ENDING ACROSS. 

$$

MDZ008-012-015-019-020-310000-
/O.NEW.KPHI.CF.Y.0028.091030T1700Z-091031T0000Z/
CECIL-KENT MD-QUEEN ANNES-TALBOT-CAROLINE-
914 AM EDT FRI OCT 30 2009

...COASTAL FLOOD ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A COASTAL
FLOOD ADVISORY...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8
PM EDT THIS EVENING.

A PERSISTENT UP THE BAY FLOW HAS CONTINUED TO INCREASE TIDAL
DEPARTURES IN THE AREA, THE AFTERNOON AND EARLY EVENING HIGH TIDE
IS THE HIGHER ASTRONOMICAL HIGH TIDE OF THE DAY. THE COMBINATION
OF BOTH IS LIKELY TO CAUSE MINOR TIDAL FLOODING AT THE TIMES OF
HIGH TIDE.

HIGH TIDE WILL OCCUR DURING THE MID AFTERNOON IN TALBOT AND
CAROLINE COUNTIES, LATE AFTERNOON IN QUEEN ANNES COUNTY AND IN THE
LATE AFTERNOON AND EARLY EVENING IN KENT AND CECIL COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.
DO NOT TAKE ROADWAYS THAT ARE PRONE TO TIDAL FLOODING. PARK
VEHICLES IN AREAS THAT ARE NOT PRONE TO TIDAL FLOODING. DO NOT
DRIVE AROUND BARRICADES.

$$

DEZ001-NJZ016>019-PAZ070-071-301700-
/O.CON.KPHI.CF.S.0013.000000T0000Z-091030T1700Z/
NEW CASTLE-SALEM-GLOUCESTER-CAMDEN-NORTHWESTERN BURLINGTON-
DELAWARE-PHILADELPHIA-
914 AM EDT FRI OCT 30 2009

...SPOTTY MINOR TIDAL FLOODING FROM THIS MORNING INTO EARLY
AFTERNOON...

THE PERSISTENT ONSHORE FLOW HAS NOT BEEN ALLOWING WATER TO DRAIN
FROM UPPER DELAWARE BAY OR FROM THE LOWER DELAWARE RIVER. AS A
RESULT... SPOTTY MINOR TIDAL FLOODING IS EXPECTED AROUND THE
TIMES OF HIGH TIDE FROM THIS MORNING INTO EARLY THIS AFTERNOON.
HIGH TIDE OCCURS AT 9:13 AM AT REEDY POINT... DELAWARE AND AT
11:47 AM AT PHILADELPHIA.

DO NOT LEAVE 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 office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 4:01 PM EDTSmall Craft AdvisoryPHI36 hr

Nearby

Coastal Flood Statements in New Jersey, 2009Coastal Flood Statements in Delaware, 2009Coastal Flood Statements in Pennsylvania, 2009Every coastal flood statement in 2009

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.