Alert archive / New Jersey / Coastal Flood Statements in 2009

Coastal Flood Statement 5, NWS Philadelphia/Mount Holly

August 29, 2009Sussex County, Delaware; 4 counties in New Jersey

NWS Philadelphia/Mount Holly issued this coastal flood statement at Aug 29, 2009, 5:42 AM EDT for Sussex County, Delaware; 4 counties in New Jersey. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Aug 29, 2009, 5:42 AM EDT (09:42 UTC)
Expired
Aug 29, 2009, 8:00 PM EDT
In force
14 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, DE, Atlantic County, NJ, Cape May County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 09:41 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, 9.7 hours before the alert went out and 184 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 2009-08-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1962 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 2009-08-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
1962 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
730 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WHUS41 KPHI 290942
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
542 AM EDT SAT AUG 29 2009

...HIGH RISK OF RIP CURRENTS TODAY...

.TROPICAL STORM DANNY HAS WEAKENED TO A TROPICAL DEPRESSION BUT STILL
GENERATING WAVES TOWARD THE MID ATLANTIC COAST.

DEZ004-NJZ014-024>026-291745-
/O.NEW.KPHI.CF.S.0005.090829T0942Z-090829T2200Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
542 AM EDT SAT AUG 29 2009

THE RIP CURRENT RISK HAS BEEN ELEVATED THIS MORNING AS WAVES CONTINUE
TO PROPAGATE NORTH AWAY FROM TROPICAL DEPRESSION DANNY. THE WAVES
BREAKING ON THE BEACH TODAY WILL BE BETWEEN 4 AND 6 FEET AND SUFFICIENT
TO ENHANCE THE RIP CURRENT RISK ALONG THE NEW JERSEY AND DELAWARE COASTS.

NEEDLESS TO SAY...SWIM ONLY ON BEACHES GUARDED BY LIFEGUARDS...NEVER
SWIM ALONE OR AT NIGHT.

$$

EBERWINE
2 follow-up statements
000 
WHUS41 KPHI 291250
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
850 AM EDT SAT AUG 29 2009

...HIGH RISK OF RIP CURRENTS THROUGH TODAY...

.THE REMNANTS OF TROPICAL STORM DANNY COMBINED WITH A STRONG
UPPER LEVEL DISTURBANCE AND AN INCOMING COLD FRONT WILL ALLOW FOR
ROUGH SURF ALONG THE COAST.

DEZ004-NJZ014-024>026-292030-
/O.CON.KPHI.CF.S.0005.000000T0000Z-090829T2200Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
850 AM EDT SAT AUG 29 2009

...HIGH RISK OF RIP CURRENTS...

THE RIP CURRENT RISK IS HIGH THROUGH TODAY AS WAVES CONTINUE TO
PROPAGATE TO THE COAST FROM THE REMNANTS OF TROPICAL STORM DANNY.
THE WAVES BREAKING ON THE BEACH TODAY WILL BE BETWEEN 4 AND 6
FEET, WHICH IS SUFFICIENT TO GREATLY ENHANCE THE RIP CURRENT RISK
ALONG THE COAST.

RIP CURRENTS ARE STRONG, NARROW CHANNELS OF WATER THAT FLOW OUT
TO SEA. IF YOU BECOME CAUGHT IN A RIP CURRENT, REMAIN CALM. TRY TO
SWIM ON A COURSE THAT IS PARALLEL TO THE BEACH UNTIL YOU GET AWAY
FROM THE RIP, THEN SWIM AT AN ANGLE IN TO SHORE. DO NOT TRY TO
SWIM BACK TO SHORE DIRECTLY AGAINST THE RIP, SINCE IT CAN EXHAUST
THE STRONGEST SWIMMER. SWIM ONLY ON BEACHES GUARDED BY LIFEGUARDS,
AND NEVER SWIM ALONE OR AT NIGHT.

$$

EBERWINE/GORSE
000 
WHUS41 KPHI 291940
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
340 PM EDT SAT AUG 29 2009

...HIGH RISK OF RIP CURRENTS CONTINUES...

.EVEN THOUGH THE REMNANTS OF TROPICAL STORM DANNY CONTINUES TO
PULL FARTHER AWAY FROM OUR AREA, ROUGH SURF AND RIP CURRENTS WILL
CONTINUE ALONG THE COAST.

DEZ004-NJZ014-024>026-300000-
/O.EXT.KPHI.CF.S.0005.000000T0000Z-090830T0000Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
340 PM EDT SAT AUG 29 2009

...HIGH RISK OF RIP CURRENTS CONTINUES...

THE RIP CURRENT RISK REMAINS HIGH AS ENHANCED WAVES CONTINUE TO
PROPAGATE TO THE COAST FROM THE REMNANTS OF TROPICAL STORM DANNY.
THE WAVES BREAKING ON THE BEACH ARE GENERALLY BETWEEN 4 AND 6 FEET,
WHICH IS SUFFICIENTLY ENHANCING THE RIP CURRENT RISK ALONG THE
COAST.

RIP CURRENTS ARE STRONG, NARROW CHANNELS OF WATER THAT FLOW OUT
TO SEA. IF YOU BECOME CAUGHT IN A RIP CURRENT, REMAIN CALM. TRY
TO SWIM ON A COURSE THAT IS PARALLEL TO THE BEACH UNTIL YOU GET
AWAY FROM THE RIP, THEN SWIM AT AN ANGLE IN TO SHORE. DO NOT TRY
TO SWIM BACK TO SHORE DIRECTLY AGAINST THE RIP, SINCE IT CAN
EXHAUST THE STRONGEST SWIMMER. SWIM ONLY ON BEACHES GUARDED BY
LIFEGUARDS, AND NEVER SWIM ALONE OR AT NIGHT.

$$

GORSE

Nearby

Coastal Flood Statements in New Jersey, 2009Coastal Flood Statements in Delaware, 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.