Alert archive / New Jersey / Special Marine Warnings in 2021

Special Marine Warning 44, NWS Philadelphia/Mount Holly

June 14, 2021

NWS Philadelphia/Mount Holly issued this special marine warning at Jun 14, 2021, 10:51 PM EDT. It was in force for 114 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 14, 2021, 10:51 PM EDT (02:51 UTC)
Expired
Jun 15, 2021, 12:45 AM EDT
In force
114 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
40.0 mph

What was reported inside it

TimeReportWhereRemark
Jun 14, 11:20 PM EDTMARINE TSTM WIND 491 Ese Lanoka Harbor, NJ

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 2.9 hours before the alert went out and 158 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 2021-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Brookhaven, NY at 00:00Z on 2021-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1380 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

010 
WHUS51 KPHI 150251
SMWPHI
ANZ450>452-470>472-150445-
/O.NEW.KPHI.MA.W.0044.210615T0251Z-210615T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Mount Holly NJ
1051 PM EDT Mon Jun 14 2021

The National Weather Service in Mount Holly NJ has issued a

* Special Marine Warning for...
  
Coastal and outer waters from Sandy Hook to Great Egg Inlet NJ...

* Until 1245 AM EDT.

* At 1050 PM EDT, strong thunderstorms were located along a line
  extending from near Pine Beach to 11 nm west of Forked River to 14
  nm northwest of Little Egg Inlet, moving east at 25 knots.

  HAZARD...Wind gusts to 40 knots and small hail.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and 
           suddenly higher waves.

* Locations impacted include...
  Ocean Gate, Little Egg Reef, Ship Bottom, Barnegat Light Reef,
  Garden State South Reef, Axel Carlson Reef, Silverton, Harvey
  Cedars, Forked River, Lavallette, Beach Haven, Barnegat Light,
  North Beach Haven, Garden State North Reef, Point Pleasant Beach,
  Little Egg Inlet, Seaside Park, Manasquan Inlet, Pine Beach and
  Brigantine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 3956 7334 3936 7344 3917 7358 3950 7453
      3956 7459 3961 7459 3962 7452 3960 7439
      3970 7426 3982 7427 3990 7420 3993 7425
      3996 7425 4000 7420 4011 7415 4012 7353
      3994 7337 3982 7331 3971 7330
TIME...MOT...LOC 0250Z 273DEG 25KT 3997 7418 3980 7439 3963 7459 

HAIL...<.75IN
WIND...40KTS

$$

Staarmann
1 follow-up statement
816 
FZUS71 KPHI 150346
MWSPHI

Marine Weather Statement
National Weather Service Mount Holly NJ
1146 PM EDT Mon Jun 14 2021

ANZ450>452-470>472-150445-
/O.CON.KPHI.MA.W.0044.000000T0000Z-210615T0445Z/
1146 PM EDT Mon Jun 14 2021

...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT...

For the following areas...
Coastal waters from Little Egg Inlet to Great Egg Inlet NJ out 20
nm...
Coastal waters from Manasquan Inlet to Little Egg Inlet NJ out 20
nm...
Coastal waters from Sandy Hook to Manasquan Inlet NJ out 20 nm...
Waters from Little Egg Inlet NJ to Great Egg Inlet NJ out 20 to 40 nm
from 20 to 40 NM...
Waters from Manasquan Inlet NJ to Little Egg Inlet NJ out 20 to 40
nm...
Waters from Sandy Hook NJ to Manasquan Inlet NJ out 20 to 40 nm...

At 1144 PM EDT, strong thunderstorms were located along a line
extending from 10 nm south of Shark River Reef to near Barnegat Light
Reef to near Garden State South Reef, moving east at 25 knots.

HAZARD...Wind gusts to nearly 50 knots and small hail.

SOURCE...Coastal observations. A wind gust to 43 knots was observed 
         in Lanoka Harbor as these storms passed.

IMPACT...Small craft could be damaged in briefly higher winds and 
         suddenly higher waves.

Locations impacted include...
Little Egg Reef, Ship Bottom, Barnegat Light Reef, Garden State South
Reef, Harvey Cedars, Forked River, Lavallette, Beach Haven, Barnegat
Light, North Beach Haven, Garden State North Reef, Little Egg Inlet,
Seaside Park, Seaside Heights and Brigantine.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 3956 7334 3936 7344 3917 7358 3950 7453
      3956 7459 3961 7459 3962 7452 3960 7439
      3970 7426 3994 7411 4011 7395 4012 7353
      3994 7337 3982 7331 3971 7330
TIME...MOT...LOC 0344Z 273DEG 25KT 3995 7370 3978 7391 3961 7411 

HAIL...<.75IN
WIND...49KTS

$$

CMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:08 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Middlesex, Monmouth, Somerset52 min
Jun 14, 8:34 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester41 min
Jun 14, 8:55 PM EDTSevere Thunderstorm WarningPHIGloucester50 min
Jun 14, 9:11 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 1 more49 min
Jun 14, 9:12 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Mercer, Middlesex, Monmouth and 1 more74 min
Jun 14, 9:17 PM EDTFlash Flood WarningPHIBurlington, Camden3 hr
Jun 14, 9:29 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester46 min
Jun 14, 9:54 PM EDTAreal Flood AdvisoryPHIMonmouth97 min
Jun 14, 9:58 PM EDTSevere Thunderstorm WarningPHIMonmouth32 min
Jun 14, 10:01 PM EDTSpecial Marine WarningPHI89 min
Jun 14, 10:07 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Ocean53 min
Jun 14, 11:07 PM EDTSpecial Marine WarningPHI113 min
Jun 14, 11:21 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Ocean39 min
Jun 14, 11:42 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cumberland, Gloucester, Salem63 min
Jun 14, 11:47 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Ocean, Salem118 min
Jun 15, 12:04 AM EDTSpecial Marine WarningPHI116 min
Jun 15, 12:12 AM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Gloucester51 min
Jun 15, 1:00 AM EDTSpecial Marine WarningPHI88 min
Jun 14, 11:12 PM EDTSevere Thunderstorm WarningPHIKent63 min
Jun 14, 11:39 PM EDTAreal Flood AdvisoryPHIKent, New Castle85 min
Jun 14, 11:51 PM EDTSevere Thunderstorm WarningPHIKent, Sussex54 min
Jun 14, 11:54 PM EDTSevere Thunderstorm WarningPHISussex66 min

Nearby

Special Marine Warnings in New Jersey, 2021Every special marine warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.