Alert archive / New Jersey / Rip Current Statements in 2017

Rip Current Statement 2, NWS Philadelphia/Mount Holly

July 28, 2017Sussex County, Delaware; 4 counties in New Jersey

NWS Philadelphia/Mount Holly issued this rip current statement at Jul 28, 2017, 8:52 PM EDT for Sussex County, Delaware; 4 counties in New Jersey. It took effect at Jul 29, 2017, 8:00 AM EDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Jul 28, 2017, 8:52 PM EDT (00:52 UTC)
In effect from
Jul 29, 2017, 8:00 AM EDT
Expired
Jul 29, 2017, 8:00 PM EDT
In force
12 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 00:55 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

Brookhaven, NY (KOKX), launched 00:00Z, 0.9 hours before the alert went out and 216 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, Brookhaven, NY at 00:00Z on 2017-07-29Temperature 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, Brookhaven, NY at 00:00Z on 2017-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
-76 J/kg
Mixed-layer LCL
1221 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

178 
WHUS41 KPHI 290052
CFWPHI

COASTAL HAZARD MESSAGE FOR PA...NJ...DE...AND MD
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
852 PM EDT FRI JUL 28 2017

DEZ004-NJZ014-024>026-291400-
/O.NEW.KPHI.RP.S.0002.170729T1200Z-170730T0000Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
852 PM EDT FRI JUL 28 2017

...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT SATURDAY THROUGH
SATURDAY EVENING...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A HIGH RIP
CURRENT RISK. IT IS IN EFFECT FROM 8:00 AM UNTIL 8:00 PM 
SATURDAY.

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

* RISK OF RIP CURRENTS...THERE IS A HIGH RISK FOR THE DEVELOPMENT
  OF DANGEROUS RIP CURRENTS.

* SURF HEIGHT...BREAKING WAVES ARE FORECAST TO RANGE FROM 5 TO 7 
  FEET.

* TIMING AND TIDES...LOW TIDE OCCURS EARLY IN THE MORNING...HIGH 
  TIDE OCCURS IN THE EARLY AFTERNOON AND LOW TIDE OCCURS AGAIN IN 
  THE EVENING.

* OUTLOOK...THE HIGH RISK FOR THE DEVELOPMENT OF DANGEROUS RIP 
  CURRENTS IS EXPECTED TO CONTINUE INTO SATURDAY NIGHT AND SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT, RELAX AND 
FLOAT. DO NOT SWIM AGAINST THE CURRENT. IF YOU CAN, SWIM IN A 
DIRECTION FOLLOWING THE SHORELINE. IF UNABLE TO ESCAPE, FACE THE 
SHORE AND CALL OR WAVE FOR HELP.

&&

$$
2 follow-up statements
667 
WHUS41 KPHI 290924
CFWPHI

COASTAL HAZARD MESSAGE FOR PA...NJ...DE...AND MD
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
524 AM EDT SAT JUL 29 2017

DEZ004-NJZ014-024>026-300000-
/O.CON.KPHI.RP.S.0002.170729T1200Z-170730T0000Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
524 AM EDT SAT JUL 29 2017

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

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

* RISK OF RIP CURRENTS...THERE IS A HIGH RISK FOR THE 
  DEVELOPMENT OF DANGEROUS RIP CURRENTS.

* SURF HEIGHT...BREAKING WAVES ARE FORECAST TO RANGE FROM 5 TO 7 
  FEET.

* TIMING AND TIDES...LOW TIDE OCCURS EARLY IN THE MORNING...HIGH 
  TIDE OCCURS IN THE EARLY AFTERNOON AND LOW TIDE OCCURS AGAIN 
  IN THE EVENING.

* OUTLOOK...THE HIGH RISK FOR THE DEVELOPMENT OF DANGEROUS RIP
  CURRENTS IS EXPECTED TO CONTINUE INTO TONIGHT AND SUNDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SWIM NEAR A LIFEGUARD. IF CAUGHT IN A RIP CURRENT, RELAX AND
FLOAT. DO NOT SWIM AGAINST THE CURRENT. IF YOU CAN, SWIM IN A
DIRECTION FOLLOWING THE SHORELINE. IF UNABLE TO ESCAPE, FACE THE
SHORE AND CALL OR WAVE FOR HELP.

&&

$$
209 
WHUS41 KPHI 291426
CFWPHI

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1026 AM EDT SAT JUL 29 2017

DEZ004-NJZ014-024>026-300000-
/O.CON.KPHI.RP.S.0002.000000T0000Z-170730T0000Z/
DELAWARE BEACHES-EASTERN MONMOUTH-ATLANTIC COASTAL CAPE MAY-
COASTAL ATLANTIC-COASTAL OCEAN-
1026 AM EDT SAT JUL 29 2017

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

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

* RISK OF RIP CURRENTS...HIGH. 

* SURF HEIGHT...BREAKING WAVES OF 5 TO 7 FEET.
  
* TIMING AND TIDES...HIGH TIDE OCCURS EARLY THIS AFTERNOON AND LOW
  TIDE OCCURS IN THE EVENING.
 
* OUTLOOK...THE HIGH RISK FOR THE DEVELOPMENT OF DANGEROUS RIP
  CURRENTS IS EXPECTED TO CONTINUE TONIGHT AND SUNDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THERE IS A HIGH RISK OF RIP CURRENTS. A HIGH RISK OF RIP CURRENTS
IMPLIES THAT WIND AND WAVE CONDITIONS WILL SUPPORT THE DEVELOPMENT
OF VERY STRONG RIP CURRENTS. THESE RIP CURRENTS WILL BE LIFE 
THREATENING TO ANYONE WHO ENTERS THE SURF. SEVERAL BEACHES ARE NOT
PERMITTING ENTRY INTO THE WATER.

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. TALK TO LIFEGUARDS AND BEACH OFFICIALS TO LEARN ABOUT 
ANY SURF HAZARDS AND HEED THEIR ADVICE. PAY ATTENTION TO FLAGS AND
POSTED SIGNS AND SWIM IN LIFE GUARDED AREAS.

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. ONCE YOU ARE AWAY FROM THE FORCE OF THE RIP CURRENT, BEGIN
TO SWIM BACK TOWARD THE BEACH. DO NOT ATTEMPT TO SWIM DIRECTLY 
AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.

&&

$$

GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 8:48 PM EDTAreal Flood AdvisoryPHISussex4 hr
Jul 28, 10:17 PM EDTSpecial Weather StatementPHISussex28 min
Jul 28, 11:13 PM EDTAreal Flood AdvisoryPHIKent, New Castle4 hr
Jul 29, 1:38 AM EDTAreal Flood AdvisoryPHIKent, Sussex4 hr
Jul 29, 3:03 AM EDTAreal Flood AdvisoryPHIKent, New Castle4 hr
Jul 29, 5:30 AM EDTAreal Flood AdvisoryPHISussex2 hr
Jul 28, 10:25 PM EDTSpecial Marine WarningPHI65 min
Jul 29, 1:10 AM EDTFlash Flood WarningPHIAtlantic, Cumberland, Gloucester, Salem4 hr
Jul 29, 4:14 AM EDTSpecial Marine WarningPHI61 min
Jul 29, 5:08 AM EDTSpecial Marine WarningPHI52 min
Jul 29, 5:13 AM EDTFlash Flood WarningPHICape May3 hr
Jul 29, 6:48 AM EDTAreal Flood AdvisoryPHIAtlantic, Cape May117 min

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.