Friday, August14, 2020
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Marine Weather and Tides
Weston, PA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:12AMSunset 8:04PM Friday August 14, 2020 4:32 AM EDT (08:32 UTC) Moonrise 12:27AMMoonset 3:51PM Illumination 21% Phase: Waning Crescent; Moon at 25 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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7 Day Forecast for Marine Location Near Weston, PA
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location: 40.94, -76.14     debug


Area Discussion for - State College, PA
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FXUS61 KCTP 140717 AFDCTP

Area Forecast Discussion National Weather Service State College PA 317 AM EDT Fri Aug 14 2020

SYNOPSIS. A stationary frontal zone wavering over southern PA will maintain a chance of scattered, locally heavy downpours later today. Unsettled conditions with cooler temperatures are forecast for the upcoming weekend.

NEAR TERM /UNTIL 8 AM THIS MORNING/. Will maintain just a slight chance of a shower early this morning across the southeast part of the forecast area, where high pwat air mass and lingering instability remain per 06Z SPC mesoanalysis. Elsewhere, have dropped POPS to zero early this morning across the northern half of the state, where much drier air resides.

A light easterly flow, combined with radiative cooling, appears likely to result in increasing stratus and patchy fog early this morning across the southern half of the state. Much drier air north of stalled frontal boundary should result in mostly clear skies across northern Pa, but can't rule out a bit of fog in the deep valleys along the NY border, due to falling temperatures and warm river/stream waters.

Temperatures are on track to bottom out from the upper 50s in the valleys of northern Pa, to around 70F over the Lower Susq Valley, where cloud cover and high humidity will limit radiational cooling.

SHORT TERM /8 AM THIS MORNING THROUGH 6 AM SATURDAY/. Model soundings indicate any morning low clouds/fog should give way to partly sunny skies later today. Expect scattered, diurnally-driven convection to form during the afternoon over the southern half of the state, in moderately unstable air mass along and south of remnant frontal boundary. Have placed the highest POPs of around 50pct along the Mason Dixon Line, where pwats are highest. Weak winds aloft and 0-6km shear only around 15kts indicate any storms will be of the pulse variety with little risk of severe weather.

Dry ground and a decent amount of sunshine should result in another warm day relative to climatology across the northern half of the state, with highs in the upper 80s possible in the valleys along I-80. More cloud cover and scattered convection should hold readings close to average across the southern counties.

Any showers/storms across southern Pa should die with loss of heating this evening, then expect dry weather the rest of the night. An approaching upper trough and surface low over the Ohio Valley will spread increasing clouds into the region overnight, with an outside chance of a shower reaching Somerset County by dawn.

LONG TERM /SATURDAY THROUGH THURSDAY/. Split flow produces a weak broad upper trough over the lingering frontal boundary to our south. This will bring a surge of moisture into the Commonwealth Saturday afternoon and Sunday. Anomalous southeasterly 850-mb flow (approaching record values for this time of year) will help funnel ample moisture into the Middle Atlantic. Have upped PoPs in the SW starting Saturday afternoon and maintain higher PoPs farther east through Sunday evening. Despite the GFS being the outlier earlier in the week, other models have gradually trended toward a wetter solution. Still, ample uncertainty remains. The NAM brings almost no rain to north of the Mason-Dixon line Saturday and Sunday, while the GEFS mean sits at widespread storm total precip exceeding 1" and spotty 2" amounts across south central PA. Opted to ramp up PoPs across south-central PA where confidence is highest in rain occurring, but shaved off about 20% of QPF from a blend of NBM, WPC Guidance, and the SuperBlend.

The weak surface trough will stick around through Monday before a cold front sweeps through the Commonwealth, marking the end of an unsettled stretch and ushering in cooler and drier weather.

The Climate Prediction Center 6-10 temperature outlook favors below normal temperatures in central PA. This will be a welcome relief after a prolonged stretch of warm weather. Additionally, the arrival of high pressure by the middle of next week seems to favor a drier than normal stretch for a little bit.

Precipitation chances ramp up again across the southern tier by late week, but no significant impacts are expected.

AVIATION /07Z FRIDAY THROUGH TUESDAY/. Very minor adjustments made at 1125 PM.

New data coming in supports a mainly dry day on Friday.

Earlier discussion below.

00Z TAFS sent.

Isolated showers and storms across the south, but not near any TAF sites at this point.

Some fog and lower clouds possible late, but rainfall less widespread today than in recent days, thus I did not hit fog and low clouds very hard.

Friday at this point looks mainly dry, similar to what we had today, thus only used VCSH across the south.

More in the way of widespread showers possible for later Saturday into Sunday Night, but still a ways out. Much of our area could remain between systems to the southeast and southwest of our area.

Outlook .

Sat-Sun . More in the way of widespread showers possible. Mon . Still a chance of showers and storms. Tue . Clearing skies.

CLIMATE. A daily record high temperature of 87 degrees was tied at Bradford on 8/13. The previous record was set in 1988.

CTP WATCHES/WARNINGS/ADVISORIES. None.

SYNOPSIS . Steinbugl NEAR TERM . Fitzgerald SHORT TERM . Fitzgerald LONG TERM . Steinbugl/RXR/Banghoff AVIATION . Martin CLIMATE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MRCP1 - 8540433 - Marcus Hook, PA 87 mi45 min 80°F
PHBP1 - 8545240 - Philadelphia, PA 87 mi45 min 75°F 77°F1015.6 hPa

Wind History for Philadelphia, PA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wilkes-Barre - Scranton, Wilkes-Barre / Scranton International Airport, PA35 mi39 minE 410.00 miFair65°F62°F90%1017.6 hPa

Link to 5 minute data for KAVP

Wind History from AVP (wind in knots)
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Last 24hrE3E3CalmE3CalmNE3CalmCalm--35CalmCalmE4SE4SE4E4NE6E6E5E5E5E4E4
1 day agoCalmCalmCalmCalmCalmNE7NE5NE6CalmCalmNE4CalmN5N6N4E4E5E5E5E5E5E4E4E5
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Tide / Current Tables for Market Street Bridge, Schuylkill River, Pennsylvania
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Market Street Bridge
Click for Map
Fri -- 01:26 AM EDT     Moonrise
Fri -- 05:18 AM EDT     0.59 feet Low Tide
Fri -- 06:11 AM EDT     Sunrise
Fri -- 10:33 AM EDT     5.09 feet High Tide
Fri -- 04:43 PM EDT     Moonset
Fri -- 05:20 PM EDT     0.45 feet Low Tide
Fri -- 07:57 PM EDT     Sunset
Fri -- 10:55 PM EDT     6.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.83.82.921.20.60.92.23.54.3554.43.42.41.50.90.50.72.13.95.15.86.2

Tide / Current Tables for Norwood City, Darby Creek, Pennsylvania
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Norwood City
Click for Map
Fri -- 01:27 AM EDT     Moonrise
Fri -- 04:52 AM EDT     0.56 feet Low Tide
Fri -- 06:12 AM EDT     Sunrise
Fri -- 10:20 AM EDT     4.83 feet High Tide
Fri -- 04:44 PM EDT     Moonset
Fri -- 04:54 PM EDT     0.42 feet Low Tide
Fri -- 07:58 PM EDT     Sunset
Fri -- 10:42 PM EDT     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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4.33.32.41.60.90.61.32.63.64.34.84.73.92.921.20.70.41.12.64.155.75.8

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for State College, PA (4,6,7,8)
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Ground Weather Radar Station Binghamton, NY
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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 numerous 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.