Alert archive / New Jersey / Rip Current Statements in 2017

Rip Current Statement 8, NWS Philadelphia/Mount Holly

September 10, 20174 counties in New Jersey; Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this rip current statement at Sep 10, 2017, 5:44 AM EDT for 4 counties in New Jersey; Sussex County, Delaware. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Sep 10, 2017, 5:44 AM EDT (09:44 UTC)
Expired
Sep 10, 2017, 8:14 PM EDT
In force
15 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 09:43 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 2017-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 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 2017-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939587897117Sfc1 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
17 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1580 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

089 
WHUS41 KPHI 100944
CFWPHI

COASTAL HAZARD MESSAGE FOR PA...NJ...DE...AND MD
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
544 AM EDT SUN SEP 10 2017

...SWELLS GENERATED FROM MAJOR HURRICANE IRMA WILL BRING A HIGH 
RISK OF DANGEROUS RIP CURRENTS TODAY...

.A MODERATE TO HIGH RISK OF RIP CURRENTS LOOKS TO CONTINUE THROUGH
MUCH OF THE UPCOMING WEEK WITH SWELLS FROM HURRICANE JOSE EXPECTED
TO FOLLOW IRMA.

DEZ004-NJZ014-024>026-110200-
/O.NEW.KPHI.RP.S.0008.170910T0944Z-170911T0200Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
544 AM EDT SUN SEP 10 2017

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HIGH RIP
CURRENT RISK...WHICH IS IN EFFECT THROUGH THIS EVENING.

* LOCATION...THE DELAWARE BEACHES AND NEW JERSEY SHORE.

* RISK OF RIP CURRENTS...HIGH.

* SURF HEIGHT...WAVES IN THE SURF ZONE OF 3 TO 4 FEET.

* OUTLOOK...MODERATE TO HIGH RIP CURRENT RISK IS EXPECTED TO 
  CONTINUE FOR MUCH OF THE WEEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. A HIGH RISK OF RIP CURRENTS
IMPLIES THAT WIND AND/OR WAVE CONDITIONS WILL SUPPORT THE
DEVELOPMENT OF VERY STRONG RIP CURRENTS. THESE RIP CURRENTS WILL
BE LIFE THREATENING TO ANYONE WHO ENTERS THE SURF.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE
SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS GROINS...
JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL
FLAGS AND SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM...DO NOT EXHAUST YOURSELF AND STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.

&&

$$
1 follow-up statement
709 
WHUS41 KPHI 110014
CFWPHI

COASTAL HAZARD MESSAGE FOR PA...NJ...DE...AND MD
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
814 PM EDT SUN SEP 10 2017

DEZ004-NJZ014-024>026-110115-
/O.CAN.KPHI.RP.S.0008.000000T0000Z-170911T0200Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
814 PM EDT SUN SEP 10 2017

...HIGH RIP CURRENT RISK IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
HIGH RIP CURRENT RISK.


$$

Nearby

Rip Current Statements in New Jersey, 2017Rip Current Statements in Delaware, 2017Every rip current statement in 2017

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.