Tuesday, October17, 2017 L-36.com


Marine Weather and Tides
Lancaster, PA

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:17AMSunset 6:23PM Tuesday October 17, 2017 7:13 AM EDT (11:13 UTC) Moonrise 3:54AMMoonset 4:38PM Illumination 9% Phase: Waning Crescent; Moon at 27 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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ANZ530 Chesapeake Bay North Of Pooles Island- 547 Am Edt Tue Oct 17 2017
Today..NW winds 5 to 10 kt. Waves 1 ft or less.
Tonight..W winds around 5 kt. Waves flat.
Wed..SW winds around 5 kt. Waves 1 ft or less.
Wed night..SW winds around 5 kt. Waves flat.
Thu..SW winds 5 kt. Waves less than 1 ft.
Thu night..W winds 5 kt. Waves less than 1 ft.
Fri..N winds around 5 kt. Waves 1 ft or less.
Sat..S winds around 5 kt. Waves 1 ft.
ANZ500 547 Am Edt Tue Oct 17 2017
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will remain in place through the rest of the week and into the weekend.

7 Day Forecast for Marine Location Near Lancaster, PA
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location: 40.04, -76.3     debug


Area Discussion for - State College, PA
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Fxus61 kctp 171054
afdctp
area forecast discussion
national weather service state college pa
654 am edt Tue oct 17 2017

Synopsis
After a chilly start to the week, a warming trend will return
above average temperatures through the upcoming weekend with no
rainfall expected. The dry spell will likely come to an end
early next week, followed by a pattern change favoring a more
sustained period of seasonably cooler weather through the end of
october.

Near term through tonight
The coldest temps at daybreak are in the mid 20s over north-
central pa in mckean potter elk counties. Goes-16 fog channel
also shows valley fog in the NW alleghenies.

A chilly, frosty morning will be followed by a bright autumn
day with plenty of sunshine and temperatures near- average for
mid october. Clear and calm tonight although not as cool with
lows in the upper 30s to low 40s.

Short term Wednesday through Thursday night
Warming trend gets underway with more beautiful fall weather.

High temperatures will run +5 to +10 degrees above climate
norms. Nighttime temperatures (in the 40s) will be seasonably
cool. The dry spell continues with any pcpn fcst to stay well
to the north Thursday night.

Long term Friday through Monday
High pressure re-establishes itself over the area on Friday
before migrating off the mid atlantic coast this weekend.

Unseasonably warm and dry wx is expected through Sunday. Most
guidance now supports emerging deep gomex inflow surging
northward along ahead of potent cold front to fuel a swath of
moderate to potentially heavy rainfall next mon-tue. There are
slight timing differences with the frontal progression as one
might expect at this range. Despite this, the key message
appears to be a wet one for early next week. Ensemble systems
are signaling a pattern change in the wake of this system which
should favor a more sustained period of |seasonably| cooler
weather through the end of the month.

Aviation 12z Tuesday through Saturday
High pressure building into the region will bring clear skies
and light wind overnight. Some patchy valley fog is expected
to form over western pa toward dawn, as SREF and downscaled nam
suggest. However, odds are low of vis reductions at any of the
central pa airfields.

Any patchy fog should burn off by mid morning, then there is a
near certainty of widespreadVFR conditions the rest of the day
with high pressure over the state.

Outlook...

wed-thu... No sig wx expected.

Fri-sat... Patchy am valley fog possible.

Ctp watches warnings advisories
Frost advisory until 9 am edt this morning for paz026>028-035-
036-045-046-049>053-056>059-063>066.

Synopsis... Steinbugl
near term... Steinbugl
short term... Steinbugl
long term... Steinbugl
aviation... Fitzgerald gartner


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44057 - Susquehanna, MD 37 mi73 min N 7.8 G 9.7 47°F 1027 hPa
CHCM2 - 8573927 - Chesapeake City, MD 44 mi43 min NW 4.1 G 5.1 41°F 69°F1027.3 hPa
DELD1 - 8551762 - Delaware City, DE 49 mi43 min NNW 11 G 17 46°F 64°F1026.9 hPa
MRCP1 - 8540433 - Marcus Hook, PA 50 mi43 min 43°F 70°F1026.6 hPa

Wind History for Chesapeake City, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Lancaster, Lancaster Airport, PA6 mi20 minWSW 310.00 miFair38°F35°F89%1027.5 hPa
Chester County Airport, PA23 mi18 minNNW 310.00 miFair39°F33°F81%1027.4 hPa

Wind History from LNS (wind in knots)
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Last 24hrNW14
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NW12N9N5NW4NW4NW6NW8N8N9N6N4N4N5W4CalmW3
1 day agoSW7SW5S7SW6SW8S6S9S9S9S8S9S54CalmS6SW6NW10W11NW8W5W9W9W10NW7
2 days agoN3CalmCalmNW45NW4CalmCalmW4W4CalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalmSW4S4SW4

Tide / Current Tables for Port Deposit, Susquehanna River, Maryland
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Port Deposit
Click for Map
Tue -- 04:25 AM EDT     0.71 feet Low Tide
Tue -- 04:53 AM EDT     Moonrise
Tue -- 07:16 AM EDT     Sunrise
Tue -- 09:27 AM EDT     3.13 feet High Tide
Tue -- 05:07 PM EDT     0.63 feet Low Tide
Tue -- 05:38 PM EDT     Moonset
Tue -- 06:21 PM EDT     Sunset
Tue -- 09:55 PM EDT     3.00 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.11.71.30.90.70.81.222.73.13.12.92.52.11.61.10.80.60.81.42.22.832.9

Tide / Current Tables for Havre de Grace, Susquehanna River, Maryland
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Havre de Grace
Click for Map
Tue -- 02:53 AM EDT     0.19 feet Low Tide
Tue -- 04:53 AM EDT     Moonrise
Tue -- 07:16 AM EDT     Sunrise
Tue -- 08:35 AM EDT     2.29 feet High Tide
Tue -- 03:23 PM EDT     0.15 feet Low Tide
Tue -- 05:37 PM EDT     Moonset
Tue -- 06:21 PM EDT     Sunset
Tue -- 09:07 PM EDT     2.40 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.10.70.30.20.40.91.422.22.32.11.71.30.90.40.20.20.61.21.82.22.42.32

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Mid-Atlantic    EDIT
Geos

Wind Forecast for State College, PA (7,2,3,4)
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Ground Weather Radar Station Philadelphia, PA
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weather_mapweather_map weather_map

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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.