Alert archive / New Jersey / Rip Current Statements in 2021

Rip Current Statement 8, NWS Philadelphia/Mount Holly

September 16, 20214 counties in New Jersey; Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this rip current statement at Sep 16, 2021, 9:11 PM EDT for 4 counties in New Jersey; Sussex County, Delaware. It took effect at Sep 17, 2021, 8:00 AM EDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2021, 9:11 PM EDT (01:11 UTC)
In effect from
Sep 17, 2021, 8:00 AM EDT
Expired
Sep 18, 2021, 8:00 PM EDT
In force
36 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 01:11 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, 1.2 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 2021-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 322 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 2021-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
322 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
682 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
25 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

216 
WHUS41 KPHI 170111
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
911 PM EDT Thu Sep 16 2021

DEZ004-NJZ014-024>026-171500-
/O.NEW.KPHI.RP.S.0008.210917T1200Z-210919T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
911 PM EDT Thu Sep 16 2021

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

* WHAT...Dangerous rip currents expected.

* WHERE...The New Jersey and Delaware Atlantic beaches.

* WHEN...From 8 AM EDT Friday through Saturday evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Entering the surf is discouraged. If caught in a rip current,
relax and float. Don't swim against the current. If able, swim in
a direction following the shoreline. If unable to escape, face
the shore and call or wave for help.

&&

$$

CMS
4 follow-up statements
613 
WHUS41 KPHI 170647
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
247 AM EDT Fri Sep 17 2021

DEZ004-NJZ014-024>026-180100-
/O.CON.KPHI.RP.S.0008.210917T1200Z-210919T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
247 AM EDT Fri Sep 17 2021

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

* WHAT...Dangerous rip currents expected.

* WHERE...The New Jersey and Delaware Atlantic beaches.

* WHEN...From 8 AM EDT Friday through Saturday evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Entering the surf is discouraged. If caught in a rip current,
relax and float. Don't swim against the current. If able, swim in
a direction following the shoreline. If unable to escape, face
the shore and call or wave for help.

&&

$$
050 
WHUS41 KPHI 180105
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
905 PM EDT Fri Sep 17 2021

DEZ004-NJZ014-024>026-181415-
/O.CON.KPHI.RP.S.0008.000000T0000Z-210919T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
905 PM EDT Fri Sep 17 2021

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

* WHAT...Dangerous rip currents.

* WHERE...The Atlantic beaches of New Jersey and Delaware.

* WHEN...Through Saturday evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Entering the surf is discouraged. If caught in a rip current,
relax and float. Don't swim against the current. If able, swim in
a direction following the shoreline. If unable to escape, face
the shore and call or wave for help.

&&

$$

CMS
756 
WHUS41 KPHI 180716
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
316 AM EDT Sat Sep 18 2021

DEZ004-NJZ014-024>026-190000-
/O.CON.KPHI.RP.S.0008.000000T0000Z-210919T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
316 AM EDT Sat Sep 18 2021

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

* WHAT...Dangerous rip currents.

* WHERE...In New Jersey, Coastal Ocean, Atlantic Coastal Cape 
  May, Eastern Monmouth and Coastal Atlantic. In Delaware, 
  Delaware Beaches.

* WHEN...Through this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Entering the surf is discouraged. If caught in a rip current,
relax and float. Don't swim against the current. If able, swim in
a direction following the shoreline. If unable to escape, face
the shore and call or wave for help.

&&

$$
644 
WHUS41 KPHI 182341
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
741 PM EDT Sat Sep 18 2021

DEZ004-NJZ014-024>026-190045-
/O.EXP.KPHI.RP.S.0008.000000T0000Z-210919T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
741 PM EDT Sat Sep 18 2021

...HIGH RIP CURRENT RISK WILL EXPIRE AT 8 PM EDT THIS EVENING...

The risk for the development of dangerous rip currents will be in
the moderate category through Tuesday. Exercise caution if
entering the surf.

$$

CMS

Nearby

Rip Current Statements in New Jersey, 2021Rip Current Statements in Delaware, 2021Every rip current statement in 2021

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.