Sunday, December8, 2019
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Marine Weather and Tides
Yoe, PA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:14AMSunset 4:43PM Sunday December 8, 2019 3:53 PM EST (20:53 UTC) Moonrise 2:49PMMoonset 3:23AM Illumination 90% Phase: Waxing Gibbous; Moon at 12 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- 339 Pm Est Sun Dec 8 2019
Rest of this afternoon..S winds 5 kt. Waves less than 1 ft.
Tonight..S winds 5 kt. Waves less than 1 ft. Rain or drizzle likely.
Mon..S winds 5 to 10 kt. Waves 1 ft or less. Rain or drizzle likely. Vsby 1 to 3 nm.
Mon night..SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers likely.
Tue..SW winds 10 kt. Waves 1 ft. Showers likely.
Tue night..NW winds 5 to 10 kt. Waves 1 ft. Showers.
Wed..NW winds 5 to 10 kt. Waves 1 ft. Rain or snow likely in the morning, then a chance of rain and snow showers in the afternoon.
Thu..NE winds 5 to 10 kt. Waves 1 ft.
ANZ500 339 Pm Est Sun Dec 8 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. Low pressure will develop over the central united states and lift into the great lakes through Monday. A warm front developing east of this area of low pressure over the carolinas is expected to lift northward across the mid-atlantic during this time. The aforementioned low will drag its trailing cold front through the region Tuesday into Wednesday. Small craft advisories will likely be needed Monday night through Wednesday.


7 Day Forecast for Marine Location Near Yoe , PA
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location: 39.92, -76.66     debug


Area Discussion for - State College, PA
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FXUS61 KCTP 082004 AFDCTP

Area Forecast Discussion National Weather Service State College PA 304 PM EST Sun Dec 8 2019

SYNOPSIS. After a fair weather weekend, a volatile and stormy pattern is expected during the second week of December. Temperatures are forecast to surge well-above normal Monday and Tuesday, followed by a sharply colder trend Wednesday into Thursday. The brief warm-up will be accompanied by periods of rain which may end as light snow late Tuesday night. A mid to late week drying trend will likely reverse by next weekend with another complex storm system on the horizon.

NEAR TERM /THROUGH MONDAY/. Clouds increasing this afternoon, as moisture starts to work toward the area from both the west and southeast. The NAM shows some spotty QPF across the far northwest toward 00Z. Low levels are quite dry, so hard to buy into this. But approaching storm system will bring steadily increasing PoPs later tonight into early Monday morning.

Main concern will be the object temperatures toward sunrise on Monday, which may be cold enough in a few spots in the central and NE mountains to bring a brief shot of light freezing rain at the onset. That said, sfc temps generally AOA 32F suggest little to no impact as predominant ptype becomes rain into later Monday morning.

As surface low tracks NE across the Great Lakes on Monday, a mild and wet day will be in store.

SHORT TERM /MONDAY NIGHT THROUGH TUESDAY NIGHT/. Rain will continue Monday night into Tuesday as mild airmass ahead of an approaching cold front remains in place. Highest QPF shifts to mainly the western half where 36hr rain totals will be around an inch.

Then the forecast features a shift from mild and west to colder and wintry later Tuesday into Wednesday, as deep cold upper trof centered over Hudson Bay directs cold air across the central and eastern GLAKS and a flat surface wave exits the eastern seaboard. This will turn precip over to some light snow as the colder air sweeps in Tue into Tue night, with potential for a snow band setting up over the SE that could bring a few inches of snow just before dawn Wednesday.

LONG TERM /WEDNESDAY THROUGH SUNDAY/. It will turn sharply colder midweek as arctic air blasts into the region. Temperatures will be on the decline over the NW Tuesday afternoon (non diurnal over the NW half) and drop quickly Tuesday night areawide. There will be some potential for residual water or slush to freeze up quickly by Wednesday. Highs are forecast to drop by 20-30 degrees between Tuesday and Thursday, with minimum wind chills in the single digits and teens Thursday morning.

Strong 1040+mb high pressure moves NE across the region Thu/Fri followed by another system which could bring rain or mixed preciptation Friday into Saturday.

AVIATION /20Z SUNDAY THROUGH FRIDAY/. Some low level clouds are moving into western PA this afternoon as swrly flow advects in moisture. LLWS is possible at BFD this aftn as low level swrly flow increases.

Another slug of low level moisture will slide up the east coast and arrive in southeastern PA (including MDT and LNS) with IFR cigs and vis possible after 09-12z Monday.

Upper heights do not fall at all until later Sun night at which time the increase in moisture and lift aloft will touch off patchy light rain. Cigs and vis will be reduced across the area in periods of rain Monday and Tuesday.

Outlook.

Mon . Widespread SHRA/MVFR. IFR and LLWS poss.

Tues . CFROPA during the day, widespread SHRA ahead of it, -SN poss after.

Wed . Restrictions NW half lower cigs and sct -SHSN. Breezy NW wind.

Thurs . No sig wx.

CTP WATCHES/WARNINGS/ADVISORIES. None.

SYNOPSIS . RXR NEAR TERM . RXR SHORT TERM . DeVoir/RXR LONG TERM . DeVoir/Steinbugl AVIATION . Dangelo/Colbert


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BLTM2 - 8574680 - Baltimore, MD 45 mi60 min S 4.1 G 7 44°F 48°F1029.1 hPa
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 49 mi60 min S 13 G 15 44°F 1029.5 hPa
FSNM2 49 mi60 min S 8 G 12
CHCM2 - 8573927 - Chesapeake City, MD 53 mi60 min SE 1.9 G 5.1 45°F 44°F1030.2 hPa

Wind History for Baltimore, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
York, York Airport, PA11 mi61 minS 510.00 miFair42°F24°F49%1028.7 hPa
Harrisburg, Harrisburg International Airport, PA21 mi58 minSSE 910.00 miMostly Cloudy43°F25°F49%1028.4 hPa
Lancaster, Lancaster Airport, PA24 mi61 minS 1010.00 miFair41°F25°F53%1029.2 hPa
Harrisburg, Capital City Airport, PA24 mi2 hrsVar 310.00 miA Few Clouds45°F23°F42%1029 hPa

Link to 5 minute data for KTHV

Wind History from THV (wind in knots)
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Last 24hrNW6CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalmCalm5SE7S7S6
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Tide / Current Tables for Port Deposit, Susquehanna River, Maryland
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Port Deposit
Click for Map
Sun -- 02:52 AM EST     0.54 feet Low Tide
Sun -- 03:20 AM EST     Moonset
Sun -- 07:11 AM EST     1.75 feet High Tide
Sun -- 07:12 AM EST     Sunrise
Sun -- 02:35 PM EST     -0.18 feet Low Tide
Sun -- 02:46 PM EST     Moonrise
Sun -- 04:40 PM EST     Sunset
Sun -- 08:17 PM EST     2.21 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.80.60.50.71.11.51.71.71.51.10.70.40-0.1-0.20.20.71.41.92.22.221.7

Tide / Current Tables for Havre de Grace, Susquehanna River, Maryland
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Havre de Grace
Click for Map
Sun -- 01:26 AM EST     0.16 feet Low Tide
Sun -- 03:20 AM EST     Moonset
Sun -- 06:59 AM EST     1.54 feet High Tide
Sun -- 07:12 AM EST     Sunrise
Sun -- 01:01 PM EST     0.07 feet Low Tide
Sun -- 02:46 PM EST     Moonrise
Sun -- 04:40 PM EST     Sunset
Sun -- 07:15 PM EST     2.10 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.20.20.40.81.21.41.51.41.20.80.50.20.10.20.511.51.92.121.81.41

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 (15,3,4,5)
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Ground Weather Radar Station Sterling, VA
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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.