Tuesday, May23, 2017 L-36.com


Marine Weather and Tides
Chester Hill, PA

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 5:45AMSunset 8:31PM Tuesday May 23, 2017 2:52 AM EDT (06:52 UTC) Moonrise 3:35AMMoonset 4:58PM Illumination 6% 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
    EDIT      (on/off)   Help
7 Day Forecast for Marine Location Near Chester Hill , PA
   Hourly   EDIT   Help
location: 40.89, -78.23     debug


Area Discussion for - State College, PA
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus61 kctp 230542
afdctp
area forecast discussion
national weather service state college pa
142 am edt Tue may 23 2017

Synopsis
A cold front will push to the east of central pa this evening.

High pressure then builds in. However, a storm moving up the
east coast and could brush southeastern pa with a little rain
on Tuesday. It will then be rather unsettled with many chances
for rain through the rest of the week. Temperatures will be
fairly close to normals.

Near term /until 6 am this morning/
Weak high pressure overspreading western and central pa late
this evening with partial clearing over central and western
areas. Clouds still slow to clear over the east... And earlier
thinking of 06z or afterwards still looks good for partial
clearing. Winds will be light as 1016 mb sfc high overspreads
the area... And mins will range from the lower 40s north to the
mid 50s southeast.

Short term /6 am this morning through 6 pm Wednesday/
Major trend is toward a lower chc of rain in the SE on Tuesday.

The NAM is very dry and the wet (a few hundreths) GFS and ec
keep any precip to the S of the turnpike. We will start to
weight the forecast toward less clouds and less chc of precip on
tues. Maxes will actually have a chance to overachieve on tues
with lots of Sun in the northern and central counties. 70s
widespread with m70s in the north.

Long term /Wednesday night through Monday/
Trough for Tue night positioned further to the west (over ia/mo)
in latest guidance, which will delay approach of surface low
pressure area and keep trend of mainly dry conditions in
central pa for Tuesday night and Wed morning.

But unsettled weather is on the way. Potent shortwave slides
through the trough for wed, as surface low deepens over the ohio
valley. With sharpening trough working eastward, low and
occluding front will lift across pa Wed night and Thursday
bringing periods of rain/showers and chance for an embedded
thunderstorm in an otherwise dreary day.

By Friday, the low lifts to our NE as trough axis lifts through.

Though the day should bring gradual improvement in the weather,
highs Fri could end up several degrees below current guidance in
caa NW flow, a thicker low-level cloud deck and potential for
light showers/drizzle - ESP NW half of cwa.

Sat should bring a return of brighter skies, albeit briefly,
and may end up being the nicest day of the long weekend as weak
ridge propagates through. Clouds will already be on the
increase Sat afternoon and persist into Sun and Mon as a warm
front develops over the ohio valley (with low pressure gradually
organizing over the midwest). Proximity of this frontal
boundary along with deepening trough over the western great
lakes will bring potential for showers Sun and mon. Plenty of
uncertainty in strength/placement of main weather features
across model guidance during this time however, so forecast
details remain somewhat elusive for late weekend.

Aviation /06z Tuesday through Saturday/
06z tafs sent.

A slow-moving cold front, located from just east of ipt to
around mdt at 03z, is dying out as it pushes into eastern pa
late this evening. West of the front, drier air has arrived and
confidence inVFR conditions through tonight is high. East of
the front, clearing skies, low dewpoint depressions and light
winds will result in areas of fog and low CIGS overnight across
eastern pa.

Any fog across eastern pa will burn off just after sunrise.

Most of the day will feature just some high clouds. Perhaps
some light rain late, but mainly south of the TAF sites, based
on the airmass in place and guidance keeping most of the area
dry.

Wed morning may feature more fog and low clouds, given that
fcst lows are at or below fcst dewpoints, cross over
temperatures. Still time to look this over, as it would be
mainly after 06z. Another factor will be that the high clouds
could cut down on the cooling late Tuesday and early wed.

Outlook
Wed... Evening rain/low CIGS possible, ESP jst/aoo.

Thu... Rain/low CIGS likely.

Fri... Showers/MVFR CIGS nw.VFR se.

Sat... No sig wx expected.

Ctp watches/warnings/advisories
None.

Synopsis... Dangelo
near term... Dangelo/devoir
short term... Dangelo
long term... Lambert/rxr
aviation... Fitzgerald/martin


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Clearfield, Clearfield-Lawrence Airport, PA15 mi59 minN 010.00 miFair47°F45°F93%1016.9 hPa
State College - University Park Airport, PA21 mi58 minN 010.00 miFair54°F44°F70%1016.3 hPa

Wind History from FIG (wind in knots)
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
12
AM
1
AM
2
AM
Last 24hrN3N4N4CalmNE3N3N3N3N3SW6SW9SW11W12
G18
SW14
G20
W12
G18
W11
G17
W7W7SW5W5W3CalmN4Calm
1 day agoE543SE434--6S11
G14
SE9
G16
5SE7--5
G18
--54CalmCalmCalmCalmCalmCalmN4
2 days agoNE10NE8NE8NE6NE15
G20
NE10E10NE8E8E8NE833E5E7E8E6E3E64E4CalmCalm4

Tide / Current Tables for
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map and Satellite Images
       (on/off)   Help
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 (2,6,7,8)
      (on/off)   Help

Ground Weather Radar Station State College, PA
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.