Sunday, December15, 2019
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Marine Weather and Tides
Whitaker, 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 7:33AMSunset 4:55PM Sunday December 15, 2019 10:04 AM EST (15:04 UTC) Moonrise 8:35PMMoonset 10:38AM Illumination 85% Phase: Waning Gibbous; Moon at 19 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 Whitaker , PA
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location: 40.4, -79.89     debug


Area Discussion for - Pittsburgh, PA
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FXUS61 KPBZ 151425 AFDPBZ

Area Forecast Discussion National Weather Service Pittsburgh PA 925 AM EST Sun Dec 15 2019

SYNOPSIS. A wintry mix of precipitation is expected tonight through Tuesday with crossing low pressure.

NEAR TERM /THROUGH TONIGHT/.

Morning Update: No major changes made for this forecast period.

Previous Discussion: Scattered snow showers should end as broad upper troughing flattens and high pressure builds. Temperatures should stay slightly below the climatological average under WNW flow.

SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/. An initial shortwave ahead of a Central CONUS trough is progged to approach and cross the region tonight and Monday. Snow is expected initially, with critical thicknesses and model sounding indicating the precip should mix with or change to a period of freezing rain roughly along and south of I 70 by Monday morning in warm, moist advection. Issued a Winter Weather Advisory in this location in coordination with surrounding NWS offices. Areas further north should stay snow, before a mix/change to rain occurs. A brief period of freezing rain is possible Monday morning, though sfc temperatures should be rising by the time this change occurs, so did not include any additional areas in the advisory at this time.

Garrett county should see more prolonged freezing rain through the day Monday, with a later ending time to the advisory there. More snow is also expected, with 2-4 inches across the higher terrain of Garrett county. Elsewhere an inch or two is expected in the advisory area, with an inch or less for areas further north.

The Central CONUS trough is expected to track east Monday and Tuesday as a sfc low moves across the TN and OH Valley regions. Additional shortwave support and moist advection should increase precip coverage later in the day Monday and Monday night. Much of the area should see rain through locations N of PIT could also see a wintry mix as temps aloft warm, but the sfc temps remain cold. Precip should become light and change to mainly snow Tuesday in cold advection behind the exiting sfc low.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Snow shower chances continue Wednesday with cold NW flow and a crossing upper trough. Generally dry weather is then expected through the Friday under a building ridge ahead of a wrn CONUS trough. Slight chances for precip return Saturday as the trough approaches.

AVIATION /14Z SUNDAY THROUGH THURSDAY/. Widespread MVFR conditions are expected through much of the day with low level moisture under a temperature inversion. Broad upper troughing should also support scattered snow showers tonight this morning, with localized vsby restrictions.

A return to VFR is expected by late afternoon/early evening as high pressure briefly builds in. Mixing and a sufficient temperature gradient should maintain wind gusts through late this afternoon. IFR in snow is expected again late tonight with approaching low pressure. Some of the snow could mix with freezing rain for ports south of PIT.

Outlook. Restrictions are likely to continue Mon and Tue with crossing low pressure.

PBZ WATCHES/WARNINGS/ADVISORIES. MD . Winter Weather Advisory from 9 PM this evening to 7 PM EST Monday for MDZ001. OH . Winter Weather Advisory from 9 PM this evening to 10 AM EST Monday for OHZ057>059-068-069. PA . Winter Weather Advisory from 9 PM this evening to 10 AM EST Monday for PAZ031-075-076. WV . Winter Weather Advisory from 9 PM this evening to 10 AM EST Monday for WVZ003-004-012-021-509>514.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pittsburgh - Allegheny County Airport, PA4 mi72 minWNW 9 G 179.00 miOvercast32°F28°F85%1015.1 hPa
Pittsburgh, Pittsburgh International Airport, PA19 mi74 minW 10 G 2110.00 miOvercast32°F25°F75%1015.6 hPa

Link to 5 minute data for KAGC

Wind History from AGC (wind in knots)
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1 day agoE4CalmCalmN3NE3CalmNE3SE3E5E4CalmNE3NE3NE4CalmCalmN3N3CalmCalmN3NW5NW5NW7
2 days agoS4S54SE8SE5SE7CalmCalmSE5SE7SE7SE6SE5SE5SE6SE7SE5SE7SE6SE6SE5SE6SE4SE5

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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 Pittsburgh, PA (10,2,3,4)
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Ground Weather Radar Station Pittsburgh, PA
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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.