Alert archive / New Jersey / Coastal Flood Advisories in 2018

Coastal Flood Advisory 28, NWS Philadelphia/Mount Holly

September 10, 20184 counties in New Jersey; Kent County, Sussex County, Delaware

NWS Philadelphia/Mount Holly issued this coastal flood advisory at Sep 10, 2018, 5:02 AM EDT for 4 counties in New Jersey; Kent County, Sussex County, Delaware. It took effect at Sep 10, 2018, 7:58 AM EDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Sep 10, 2018, 5:02 AM EDT (09:02 UTC)
In effect from
Sep 10, 2018, 7:58 AM EDT
Expired
Sep 11, 2018, 2:00 AM EDT
In force
18 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, Sussex County, DE, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 00:00Z, 9.0 hours before the alert went out and 151 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 2018-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 127 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2018-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 283 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
127 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
568 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
283 m²/s²
0-3 km storm-relative helicity
508 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Philadelphia/Mount Holly wrote its last area forecast discussion before this coastal flood advisory went out at Sep 10, 4:22 AM EDT, 40 minutes earlier.

Area forecast discussion, Sep 10, 4:22 AM EDT, 40 minutes before
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Hazardous weather outlook, Sep 9, 3:33 PM EDT, 13 hours 29 minutes before
Hazardous Weather Outlook
National Weather Service Mount Holly NJ
333 PM EDT Sun Sep 9 2018

NJZ001-007>010-PAZ054-055-060>062-101>105-101945-
Sussex-Warren-Morris-Hunterdon-Somerset-Carbon-Monroe-Berks-Lehigh-
Northampton-Western Chester-Eastern Chester-Western Montgomery-
Eastern Montgomery-Upper Bucks-
333 PM EDT Sun Sep 9 2018

...FLOOD WATCH IN EFFECT THROUGH LATE MONDAY NIGHT...

This Hazardous Weather Outlook is for northern New Jersey,
northwest New Jersey, east central Pennsylvania, northeast
Pennsylvania and southeast Pennsylvania.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

NJZ015-017>019-PAZ070-071-106-101945-
Mercer-Gloucester-Camden-Northwestern Burlington-Delaware-
Philadelphia-Lower Bucks-
333 PM EDT Sun Sep 9 2018

...FLOOD WATCH IN EFFECT THROUGH LATE MONDAY NIGHT...
...COASTAL FLOOD WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
EDT MONDAY...

This Hazardous Weather Outlook is for central New Jersey, southern
New Jersey and southeast Pennsylvania.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   Coastal Flood Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   Coastal Flood Warning.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

MDZ012-015-019-020-101945-
Kent MD-Queen Annes-Talbot-Caroline-
333 PM EDT Sun Sep 9 2018

This Hazardous Weather Outlook is for northeast Maryland.

.DAY ONE...This Afternoon and Tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

Depending on Florence's track, Tropical Storm Force conditions could
be mentioned in our forecasts late in the week.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

MDZ008-101945-
Cecil-
333 PM EDT Sun Sep 9 2018

...FLOOD WATCH IN EFFECT THROUGH LATE MONDAY NIGHT...

This Hazardous Weather Outlook is for northeast Maryland.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

DEZ001-NJZ016-101945-
New Castle-Salem-
333 PM EDT Sun Sep 9 2018

...FLOOD WATCH IN EFFECT THROUGH LATE MONDAY NIGHT...
...COASTAL FLOOD WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
EDT MONDAY...

This Hazardous Weather Outlook is for northern Delaware and
southern New Jersey.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   Coastal Flood Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   Coastal Flood Warning.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

NJZ012-013-020>022-027-101945-
Middlesex-Western Monmouth-Ocean-Cumberland-Atlantic-
Southeastern Burlington-
333 PM EDT Sun Sep 9 2018

...FLOOD WATCH IN EFFECT THROUGH LATE MONDAY NIGHT...
...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 PM EDT MONDAY...

This Hazardous Weather Outlook is for central New Jersey, northern
New Jersey and southern New Jersey.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   Coastal Flood Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   Coastal Flood Warning.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

DEZ002-003-NJZ023-101945-
Kent-Inland Sussex-Cape May-
333 PM EDT Sun Sep 9 2018

...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 PM EDT MONDAY...

This Hazardous Weather Outlook is for central Delaware, southern
Delaware and southern New Jersey.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Coastal Flood Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Coastal Flood Warning.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

Depending on Florence's track, Tropical Storm Force conditions could
be mentioned in our forecasts late in the week.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

NJZ014-026-101945-
Eastern Monmouth-Coastal Ocean-
333 PM EDT Sun Sep 9 2018

...HIGH SURF ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...
...FLOOD WATCH IN EFFECT THROUGH LATE MONDAY NIGHT...
...HIGH RIP CURRENT RISK IN EFFECT UNTIL 6 PM EDT THIS EVENING...
...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 PM EDT MONDAY...
...HIGH RIP CURRENT RISK IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING...

This Hazardous Weather Outlook is for central New Jersey and
southern New Jersey.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Rip Current Risk.
   Flood Watch.
   High Surf Advisory.
   Coastal Flood Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Flood Watch.
   High Surf Advisory.
   Coastal Flood Warning.
   High Rip Current Risk.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

DEZ004-NJZ024-025-101945-
Delaware Beaches-Atlantic Coastal Cape May-Coastal Atlantic-
333 PM EDT Sun Sep 9 2018

...HIGH SURF ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...
...HIGH RIP CURRENT RISK IN EFFECT UNTIL 6 PM EDT THIS EVENING...
...COASTAL FLOOD WARNING IN EFFECT UNTIL 2 PM EDT MONDAY...
...HIGH RIP CURRENT RISK IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING...

This Hazardous Weather Outlook is for southern Delaware and
southern New Jersey.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Rip Current Risk.
   High Surf Advisory.
   Coastal Flood Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   High Surf Advisory.
   Coastal Flood Warning.
   High Rip Current Risk.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

Depending on Florence's track, Tropical Storm Force conditions could
be mentioned in our forecasts late in the week.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

ANZ452>455-101945-
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20 nm-
Coastal waters from Great Egg Inlet to Cape May NJ out 20 nm-
Coastal waters from Cape May NJ to Cape Henlopen DE out 20 nm-
Coastal waters from Cape Henlopen to Fenwick Island DE out 20 nm-
333 PM EDT Sun Sep 9 2018

...GALE WARNING IN EFFECT UNTIL 11 AM EDT MONDAY...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

Depending on Florence's track, Tropical Storm Force conditions could
be mentioned in our forecasts late in the week.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

ANZ450-451-101945-
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm-
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20 nm-
333 PM EDT Sun Sep 9 2018

...GALE WARNING IN EFFECT UNTIL 1 PM EDT MONDAY...

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

ANZ430-431-101945-
Delaware Bay waters north of East Point NJ to Slaughter Beach DE-
Delaware Bay waters south of East Point NJ to Slaughter Beach DE-
333 PM EDT Sun Sep 9 2018

...GALE WARNING IN EFFECT UNTIL 8 AM EDT MONDAY...

This Hazardous Weather Outlook is for Delaware Bay Waters.

.DAY ONE...This Afternoon and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Gale Warning.

The latest track from NHC continues to bring Florence into the
western mid-Atlantic (inside 75W) Wednesday night. That said, the
risk for impacts along the east coast continue to increase. However,
the uncertainty with the model guidance this far out still makes it
difficult to determine the exact location, magnitude, and timing of
these impacts our region will have, if any. Continue to monitor the
forecasts from the NHC on the track of Florence and think of
possible preparations in case our area does have an impact from the
storm.

Depending on Florence's track, Tropical Storm Force conditions could
be mentioned in our forecasts late in the week.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

In the hours before

Local storm report, Sep 10, 3:48 AM EDT, 1 hour 14 minutes before
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Local storm report, Sep 10, 4:01 AM EDT, 1 hour 1 minute before
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Local storm report, Sep 10, 4:05 AM EDT, 57 minutes before
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Local storm report, Sep 10, 4:10 AM EDT, 52 minutes before
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Local storm report, Sep 10, 4:11 AM EDT, 51 minutes before
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Local storm report, Sep 10, 4:16 AM EDT, 46 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 10, 5:02 AM EDTCoastal Flood WatchPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 5 more11 hr
Sep 10, 10:52 AM EDTSmall Craft AdvisoryPHI6 days
Sep 10, 4:08 PM EDTCoastal Flood WarningPHIAtlantic, Burlington, Cape May, Middlesex, Monmouth, Ocean10 hr
Sep 10, 4:08 PM EDTCoastal Flood AdvisoryPHICamden, Gloucester, Salem13 hr

Nearby

Coastal Flood Advisories in New Jersey, 2018Coastal Flood Advisories in Delaware, 2018Every coastal flood 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.