Alert archive / New Jersey / High Surf Advisories in 2018

High Surf Advisory 2, NWS Philadelphia/Mount Holly

September 12, 20184 counties in New Jersey; Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this high surf advisory at Sep 12, 2018, 3:50 PM EDT for 4 counties in New Jersey; Sussex County, Delaware. It took effect at Sep 12, 2018, 8:00 PM EDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Sep 12, 2018, 3:50 PM EDT (19:50 UTC)
In effect from
Sep 12, 2018, 8:00 PM EDT
Expired
Sep 14, 2018, 7:50 PM EDT
In force
48 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 19:53 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 12:00Z, 7.8 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 12:00Z on 2018-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 827 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 12:00Z on 2018-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 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
827 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

538 
WHUS41 KPHI 121950
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
350 PM EDT Wed Sep 12 2018

DEZ004-NJZ014-024>026-131000-
/O.NEW.KPHI.SU.Y.0002.180913T0000Z-180914T2200Z/
/O.EXT.KPHI.RP.S.0008.000000T0000Z-180914T0100Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
350 PM EDT Wed Sep 12 2018

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH THURSDAY 
EVENING...
...HIGH SURF ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 PM 
EDT FRIDAY...

The National Weather Service in Mount Holly has issued a High 
Surf Advisory, which is in effect from 8:00 PM this evening until 
6:00 PM Friday.

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through Friday.

* SURF ZONE IMPACTS...Large breaking waves and life threatening 
  rip currents will be dangerous to anyone who enters the surf.

* SURF HEIGHT...Waves in the surf zone will build to 5 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in 
the advisory area, producing localized beach erosion and dangerous
swimming conditions.

&&

$$

Iovino
7 follow-up statements
507 
WHUS41 KPHI 130132
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
932 PM EDT Wed Sep 12 2018

DEZ004-NJZ014-024>026-131400-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-180914T2200Z/
/O.CON.KPHI.RP.S.0008.000000T0000Z-180914T0100Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
932 PM EDT Wed Sep 12 2018

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT FRIDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY
EVENING...

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through Friday.

* SURF ZONE IMPACTS...Large breaking waves and life threatening 
  rip currents will be dangerous to anyone who enters the surf.

* SURF HEIGHT...Waves in the surf zone will build to 5 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in 
the advisory area, producing localized beach erosion and dangerous
swimming conditions.

&&

$$

Iovino
145 
WHUS41 KPHI 130825
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
425 AM EDT Thu Sep 13 2018

DEZ004-NJZ014-024>026-132130-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-180914T2200Z/
/O.CON.KPHI.RP.S.0008.000000T0000Z-180914T0100Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
425 AM EDT Thu Sep 13 2018

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT FRIDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through Friday.

* SURF ZONE IMPACTS...Large breaking waves and life threatening 
  rip currents will be dangerous to anyone who enters the surf.

* SURF HEIGHT...Waves in the surf zone will build to 5 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area, producing localized beach erosion and
dangerous swimming conditions.

&&

$$

Kruzdlo
371 
WHUS41 KPHI 131918
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
318 PM EDT Thu Sep 13 2018

DEZ004-NJZ014-024>026-140830-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-180914T2200Z/
/O.CON.KPHI.RP.S.0008.000000T0000Z-180914T0100Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
318 PM EDT Thu Sep 13 2018

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM EDT FRIDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 9 PM EDT THIS
EVENING...

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through Friday.

* SURF ZONE IMPACTS...Large breaking waves and life threatening
  rip currents will be dangerous to anyone who enters the surf.

* SURF HEIGHT...Waves in the surf zone will build to 5 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area, producing localized beach erosion and
dangerous swimming conditions.

&&

$$
511 
WHUS41 KPHI 131953
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
353 PM EDT Thu Sep 13 2018


DEZ004-NJZ014-024>026-140900-
/O.EXT.KPHI.SU.Y.0002.000000T0000Z-180915T0000Z/
/O.EXT.KPHI.RP.S.0008.000000T0000Z-180915T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
353 PM EDT Thu Sep 13 2018

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 8 PM EDT FRIDAY...
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH FRIDAY EVENING...

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through Friday.

* SURF ZONE IMPACTS...Large breaking waves and life threatening
  rip currents will be dangerous to anyone who enters the surf.

* SURF HEIGHT...Waves in the surf zone will build to 5 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area, producing localized beach erosion and
dangerous swimming conditions.

&&

$$
184 
WHUS41 KPHI 140750
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
350 AM EDT Fri Sep 14 2018

...Dangerous Rip Currents and High Surf...

DEZ004-NJZ014-024>026-142100-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-180915T0000Z/
/O.CON.KPHI.RP.S.0008.000000T0000Z-180915T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
350 AM EDT Fri Sep 14 2018

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

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through this evening.

* SURF ZONE IMPACTS...Large breaking waves and very strong rip 
  currents will be life threatening to anyone who enters the surf.

* SURF HEIGHT...5 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area, producing localized beach erosion and
dangerous swimming conditions. It is highly recommended to stay 
out of the water.

&&

$$
685 
WHUS41 KPHI 141529
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
1129 AM EDT Fri Sep 14 2018

...Dangerous Rip Currents and High Surf...

MDZ015-019-020-150430-
/O.NEW.KPHI.CF.Y.0032.180914T2300Z-180916T0500Z/
Queen Annes-Talbot-Caroline-
1129 AM EDT Fri Sep 14 2018

...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
1 AM EDT SUNDAY...

The National Weather Service in Mount Holly has issued a Coastal
Flood Advisory, which is in effect from 7 PM this evening to 1 AM
EDT Sunday.

* LOCATIONS...The southeastern shore of Maryland.

* TIMING...High tide occurs between 8:00 pm and 9:00 am this
  evening. The following high tide occurs between 9:00 am and
  10:00 am Saturday morning. The next occurs 9:00 pm and 10:00 am
  Saturday evening.

* COASTAL FLOOD IMPACTS...Up to one foot of saltwater inundation 
  above ground level is possible in low-lying areas near 
  shorelines and tidal waterways. Flooding is possible in and 
  near Church Hill, Kent Island, Saint Michales, Denton, and 
  other locations near the bay, Choptank River, and other tidal 
  tributaries.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Coastal Flood Advisory means that minor tidal flooding is
expected. Minor Tidal flooding often results in some road
closures. Usually...the most vulnerable roadways will flood.

Do not leave your vehicle at a location that is prone to tidal
flooding. Do not drive your vehicle through flood waters. The
water may be deeper than you think it is. You will be putting
yourself in danger and your vehicle may be damaged...leading to
costly repairs.

Visit the Advanced Hydrologic Prediction Service at
water.weather.gov/ahps for additional water level and flood
impact information for your local tide gauge.

&&

Time of high total tides are approximate to the nearest hour.

Cambridge MD
MLLW Categories - Minor 3.5 FT, Moderate 4.5 FT, Major 5.5 FT
MHHW Categories - Minor 1.5 FT, Moderate 2.5 FT, Major 3.5 FT

             Total      Total    Departure          
 Day/Time    Tide       Tide     from Norm   Flood  
            ft MLLW    ft MHHW       ft      Impact 
 -------- --------- --------- --------- -------- 
 14/09 PM     3.9        1.9        1.4       Minor    
 15/09 AM     4.1        2.1        1.5       Minor    
 15/10 PM     4.1        2.1        1.4       Minor    
 16/10 AM     3.3        1.3        1.3        None    
 16/11 PM     3.4        1.4        1.3        None   

&&

$$

DEZ004-NJZ014-024>026-150000-
/O.CON.KPHI.SU.Y.0002.000000T0000Z-180915T0000Z/
/O.CON.KPHI.RP.S.0008.000000T0000Z-180915T0000Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
1129 AM EDT Fri Sep 14 2018

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

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through this evening.

* SURF ZONE IMPACTS...Large breaking waves and very strong rip 
  currents will be life threatening to anyone who enters the surf.

* SURF HEIGHT...5 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area, producing localized beach erosion and
dangerous swimming conditions. It is highly recommended to stay
out of the water.

&&

$$
896 
WHUS41 KPHI 142350
CFWPHI

Coastal Hazard Message
National Weather Service Mount Holly NJ
750 PM EDT Fri Sep 14 2018


DEZ004-NJZ014-024>026-151300-
/O.CAN.KPHI.SU.Y.0002.000000T0000Z-180915T0000Z/
/O.EXT.KPHI.RP.S.0008.000000T0000Z-180916T0100Z/
Delaware Beaches-Eastern Monmouth-Atlantic Coastal Cape May-
Coastal Atlantic-Coastal Ocean-
750 PM EDT Fri Sep 14 2018

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH SATURDAY EVENING...
...HIGH SURF ADVISORY IS CANCELLED...

The National Weather Service in Mount Holly has cancelled the
High Surf Advisory.

* LOCATIONS...The New Jersey Shore and the Delaware Beaches.

* RIP CURRENT RISK...High.

* TIMING...Through Saturday.

* SURF ZONE IMPACTS...Very strong rip currents will be life 
  threatening to anyone who enters the surf.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. 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.

&&

$$

MDZ015-019-020-151300-
/O.CON.KPHI.CF.Y.0032.000000T0000Z-180916T0500Z/
Queen Annes-Talbot-Caroline-
750 PM EDT Fri Sep 14 2018

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 1 AM EDT
SUNDAY...

* LOCATIONS...The southeastern shore of Maryland.

* TIMING...High tide occurs between 8 PM and 11 PM this evening.
  The following high tide occurs between 9 AM and 11 AM Saturday
  morning. The next occurs 9 PM and Midnight Saturday evening.

* COASTAL FLOOD IMPACTS...Up to one foot of saltwater inundation 
  above ground level is possible in low-lying areas near 
  shorelines and tidal waterways. Flooding is possible in and 
  near Church Hill, Kent Island, Saint Michales, Denton, and 
  other locations near the bay, Choptank River, and other tidal 
  tributaries.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Coastal Flood Advisory means that minor tidal flooding is
expected. Minor Tidal flooding often results in some road
closures. Usually...the most vulnerable roadways will flood.

Do not leave your vehicle at a location that is prone to tidal
flooding. Do not drive your vehicle through flood waters. The
water may be deeper than you think it is. You will be putting
yourself in danger and your vehicle may be damaged...leading to
costly repairs.

Visit the Advanced Hydrologic Prediction Service at
water.weather.gov/ahps for additional water level and flood
impact information for your local tide gauge.

&&

Time of high total tides are approximate to the nearest hour.

Cambridge MD
MLLW Categories - Minor 3.5 FT, Moderate 4.5 FT, Major 5.5 FT
MHHW Categories - Minor 1.5 FT, Moderate 2.5 FT, Major 3.5 FT

             Total      Total    Departure          
 Day/Time    Tide       Tide     from Norm   Flood  
            ft MLLW    ft MHHW       ft      Impact 
 --------  ---------  ---------  ---------  --------
 14/09 PM     3.9        1.9        1.4       Minor    
 15/09 AM     4.1        2.1        1.4       Minor    
 15/10 PM     4.1        2.1        1.4       Minor    
 16/10 AM     3.3        1.3        1.3        None    
 16/11 PM     3.4        1.4        1.3        None    
 17/11 AM     3.1        1.1        1.2        None

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 2:05 AM EDTDense Fog AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 7 more8 hr
Sep 12, 2:12 AM EDTMarine Dense Fog AdvisoryPHI33 hr
Sep 12, 3:41 PM EDTDense Fog AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more14 hr
Sep 12, 4:06 PM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Morris, Somerset3 hr
Sep 12, 4:39 PM EDTAreal Flood WarningPHICumberland, Salem16 hr
Sep 12, 5:07 PM EDTAreal Flood AdvisoryPHIHunterdon4 hr
Sep 12, 7:25 PM EDTAreal Flood WarningPHIHunterdon2 hr
Sep 12, 4:36 PM EDTAreal Flood AdvisoryPHINew Castle3 hr

Nearby

High Surf Advisories in New Jersey, 2018High Surf Advisories in Delaware, 2018Every high surf advisory in 2018

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.