Saturday, November17, 2018 L-36.com


Marine Weather and Tides
Millbourne, PA

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:47AMSunset 4:44PM Saturday November 17, 2018 6:26 AM EST (11:26 UTC) Moonrise 2:07PMMoonset 12:41AM Illumination 70% Phase: Waxing Gibbous; Moon at 9 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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ANZ430 Delaware Bay Waters North Of East Point Nj To Slaughter Beach De- 609 Am Est Sat Nov 17 2018
Today..NW winds 10 to 15 kt. Gusts up to 20 kt early this morning. Waves around 3 ft early this morning, then 2 ft or less.
Tonight..N winds 5 to 10 kt. Waves 2 ft or less.
Sun..NE winds around 5 kt, becoming se in the afternoon. Waves 2 ft or less.
Sun night..SW winds around 5 kt. Waves 2 ft or less.
Mon..W winds around 5 kt. Waves 2 ft or less.
Mon night..NW winds 5 to 10 kt. Waves 2 ft or less. A chance of rain.
Tue..NW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves 2 ft or less, then around 3 ft in the afternoon. A chance of rain in the morning.
Tue night..NW winds 10 to 15 kt. Waves around 3 ft in the evening, then 2 ft or less.
Wed..W winds 5 to 10 kt. Waves 2 ft or less.
Wed night..W winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Waves 2 ft or less.
ANZ400 609 Am Est Sat Nov 17 2018
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. High pressure over the great lakes and ohio valley builds east today, passes overhead tonight, then moves out to sea Sunday and Sunday night. SEveral upper level disturbances will pass north of the region Monday and Monday night, and then a cold front passes through Wednesday night. High pressure builds to the north to close out the week.


7 Day Forecast for Marine Location Near Millbourne , PA
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location: 39.96, -75.18     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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Fxus61 kphi 171015
afdphi
area forecast discussion
national weather service mount holly nj
515 am est Sat nov 17 2018

Synopsis
High pressure over the great lakes and ohio valley builds east
today, passes overhead tonight, then moves out to sea Sunday and
Sunday night. Several upper level disturbances will pass north
of the region Monday and Monday night, and then a cold front
passes through Wednesday night. High pressure builds to the
north to close out the week.

Near term until 6 pm this evening
500 am update: clouds have stopped the cooling process, and
temperatures are now beginning to increase across much of the
area. Adjusted hourly temperatures considerably upward for the
next 4 hours (basically more of a persistence forecast) as
little or no additional cooling is expected to occur. Also
increased sky cover considerably this morning based on the
persistence of this low-cloud deck.

Previous discussion...

a strong vort MAX is moving offshore new england early this
morning, leaving the northern mid-atlantic in quasi-zonal
midlevel flow. A surface high to our south and west will provide
for westerly surface flow today. Fairly strong cold advection
in the low levels will continue today, so not expecting too much
of a warmup from yesterday. Statistical guidance has
temperatures about 2-6 degrees warmer than yesterday, in
general. I leaned toward the cooler guidance somewhat, mainly
because I am somewhat concerned it will be a little cloudier
than the model consensus suggests. The strength of the cold
advection near the surface is clearly allowing for the
development trapping of upstream stratocumulus, with models
poorly forecasting the southeastward expansion and oscillation
of the cloud deck. I expect this to continue to be the case
today. In addition, a dry weak cold front will be approaching
from the west, and this may be enough to curb stronger heating,
especially in the north west.

Cannot rule out a flurry or even a rain snow shower in the
northern CWA today, but model guidance is generally excluding
this as a risk. Given the nearly universal consensus on this,
considered this too low of a risk for inclusion in the forecast
at this time.

Short term 6 pm this evening through 6 am Sunday
The surface high to our west will build into the northeast
tonight, allowing the weak cold front to move through the region
during the period. Surface flow will become more northerly,
though it may decouple entirely as the surface ridge approaches.

Meanwhile, midlevel zonal flow will continue, and a weak vort
max passage during the evening will likely keep some amount of
cloudiness around, especially to areas north and west of the
urban corridor. Cannot completely rule out a flurry shower in
the poconos and vicinity this evening, though the threat looks
too low for forecast mention at this time. Otherwise, the CWA is
expected to be dry.

Given the infiltration of the surface high to our north and
west upstream of the weakening cold front passing through,
minimum temperatures will likely be somewhat lower than those
observed this morning, though the potential for considerable
cloudiness may impede this cooling somewhat. In general,
followed a consensus statistical blend.

Long term Sunday through Friday
High pressure over the area Sunday morning moves out to sea
during the day. The first of several weak clipper systems will
approach in the afternoon, and passes north of the area late
Sunday and Sunday night.

Thermal profiles have temperatures below freezing in the
southern poconos and far northern new jersey, where precip
should fall as snow. Temperatures will generally above freezing
from around i-78 to i-80, where precip will start out as rain,
then temps fall through the night, allowing for rain to mix with
some snow. QPF totals will be less than 1 10", with the bulk of
the QPF in carbon and monroe counties, so not expecting much in
the way of snowfall. Will cap pops at chance, mainly for the
northern half of the forecast area.

The second clipper system will pass through the region Monday
afternoon and Monday night. Again, temperatures will be cold
enough for all snow along and north of around i-78, and rain
south of that. QPF amounts will once again be light, generally
less than 2 10" inch, with the highest amounts in the southern
poconos. Accumulating snow possible, especially in the higher
elevations.

Surface high pressure passes through the region on Wednesday,
and then a cold front will pass through the region Wednesday
night and thanksgiving morning. An arctic airmass builds into
the region for the end of the week, as 850 mb temps will fall to
-12c in DELMARVA to -20c in the southern poconos.

High pressure builds east on Friday, and the airmass warms back
up a bit, as 850 mb temps warm back to 0 to +3c.

Aviation 10z Saturday through Wednesday
The following discussion is for kphl, kpne, kttn, kabe, krdg,
kilg, kmiv, kacy and surrounding areas.

Today... MainlyVFR, though transient MVFR may occur at rdg abe
this morning. Bkn-ovc CIGS around 3000-5000 feet early this
morning may scatter out at times, especially from the philly
terminals southeastward, but a more considerable cloud deck most
of the day cannot be ruled out. Winds generally westerly around
10 kts. Moderate confidence.

Tonight... MainlyVFR, though some MVFR conditions may occur
from time to time, generally northwest of phl. Winds becoming
light variable. Moderate confidence.

Outlook...

Sunday-Tuesday... Periods of MVFR conditions possible with a chance
of showers. Snow possible at krdg abe at night.

Tuesday night-Wednesday...VFR conditions expected.

Marine
The small craft advisory has been allowed to expire for delaware
bay. Gusts remain near 25 kts on the atlantic waters this
morning, so the small craft advisory continues through 11 am.

However, west to northwest winds should diminish to 10 to 20
kts by this afternoon with seas lowering to 3 to 4 feet. Sub-
advisory conditions should continue tonight, with directions
becoming more northerly with time as a weak cold front moves
through the area. No precipitation is expected through the
period.

Outlook...

Sunday through Tuesday... Conditions expected to remain below
advisory levels with west-northwest winds 10-15 knots.

Tuesday night... Conditions may increase to near small craft
advisory levels.

Wednesday... Conditions expected to be below advisory levels.

Phi watches warnings advisories
Pa... None.

Nj... None.

De... None.

Md... None.

Marine... Small craft advisory until 11 am est this morning for
anz450>455.

Synopsis... Mps
near term... Cms
short term... Cms
long term... Mps
aviation... Cms mps
marine... Cms mps


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PHBP1 - 8545240 - Philadelphia, PA 3 mi44 min 41°F 44°F1020.8 hPa
BDSP1 6 mi44 min 40°F 44°F1021.1 hPa
MRCP1 - 8540433 - Marcus Hook, PA 16 mi44 min 41°F 45°F1021.4 hPa
BDRN4 - 8539094 - Burlington, Delaware River, NJ 18 mi50 min W 8 G 8.9 41°F 41°F1020.5 hPa
NBLP1 - 8548989 - Newbold, PA 26 mi38 min W 7 G 8.9 40°F 41°F1021.2 hPa
DELD1 - 8551762 - Delaware City, DE 34 mi38 min WNW 6 G 12 42°F 42°F1021.9 hPa
CHCM2 - 8573927 - Chesapeake City, MD 45 mi38 min W 5.1 G 8 42°F 47°F1022.3 hPa
SJSN4 - 8537121 - Ship John Shoal, NJ 46 mi38 min WNW 16 G 20 43°F 49°F1021.8 hPa
JCRN4 - Jacques Cousteau Reserve, NJ 48 mi56 min WSW 5.1 37°F 1020 hPa30°F

Wind History for Philadelphia, PA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Philadelphia, Philadelphia International Airport, PA6 mi32 minWSW 1010.00 miOvercast40°F32°F73%1021.7 hPa
Philadelphia, Northeast Philadelphia Airport, PA12 mi32 minW 710.00 miOvercast42°F30°F65%1021.4 hPa
Philadelphia - Wings Field Airport, PA13 mi51 minW 310.00 miOvercast37°F32°F81%1021 hPa
Mount Holly, South Jersey Regional Airport, NJ18 mi32 minWSW 610.00 miOvercast40°F30°F70%1021.3 hPa

Wind History from PHL (wind in knots)
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Tide / Current Tables for Market Street Bridge, Schuylkill River, Pennsylvania
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Market Street Bridge
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Sat -- 12:41 AM EST     Moonset
Sat -- 03:16 AM EST     0.30 feet Low Tide
Sat -- 06:48 AM EST     Sunrise
Sat -- 08:46 AM EST     5.42 feet High Tide
Sat -- 02:07 PM EST     Moonrise
Sat -- 03:32 PM EST     0.44 feet Low Tide
Sat -- 04:42 PM EST     Sunset
Sat -- 09:02 PM EST     5.84 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.51.60.80.30.72.13.54.45.15.44.83.92.81.81.10.60.61.83.54.65.45.85.54.5

Tide / Current Tables for Philadelphia, Pennsylvania Current
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Philadelphia
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Sat -- 12:07 AM EST     -1.37 knots Max Ebb
Sat -- 12:41 AM EST     Moonset
Sat -- 04:15 AM EST     0.00 knots Slack
Sat -- 05:41 AM EST     0.87 knots Max Flood
Sat -- 06:47 AM EST     Sunrise
Sat -- 06:54 AM EST     0.73 knots Min Flood
Sat -- 07:53 AM EST     0.81 knots Max Flood
Sat -- 09:28 AM EST     -0.00 knots Slack
Sat -- 12:44 PM EST     -1.42 knots Max Ebb
Sat -- 02:07 PM EST     Moonrise
Sat -- 04:27 PM EST     0.00 knots Slack
Sat -- 04:42 PM EST     Sunset
Sat -- 05:59 PM EST     1.10 knots Max Flood
Sat -- 09:41 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.4-1.3-1.2-1.1-0.30.70.80.70.80.4-0.5-1-1.3-1.4-1.3-1.1-0.50.61.10.90.80.5-0.3-1

Weather Map and Satellite Images
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GOES Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Wind Forecast for Philadelphia/Mount Holly, PA (6,6,7,8)
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Ground Weather Radar Station Philadelphia, PA
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.