Saturday, February27, 2021
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Marine Weather and Tides
Mather, PA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:53AMSunset 6:11PM Saturday February 27, 2021 4:39 AM EST (09:39 UTC) Moonrise 6:42PMMoonset 7:29AM Illumination 100% Phase: Full Moon; Moon at 15 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 Mather, PA
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location: 39.88, -80.08     debug


Area Discussion for - Pittsburgh, PA
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FXUS61 KPBZ 270856 AFDPBZ

Area Forecast Discussion National Weather Service Pittsburgh PA 356 AM EST Sat Feb 27 2021

SYNOPSIS. A series of crossing low pressure troughs will return periodic rain to the Upper Ohio River Valley for the weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. A shortwave, embedded in SW flow aloft, should result in increasing rain chances across the area this morning as it approaches and crosses the Upper Ohio Valley region. Areas in eastern Tucker County WV remain near freezing, where a period of freezing rain could result in a light glaze of ice. Maintained the Winter Weather Advisory for this area.

The precipitation should taper off across the region later this morning/early afternoon as the shortwave exits, and weak sfc high pressure builds in. Highs are expected to be around 10 degrees above average.

SHORT TERM /6 PM THIS EVENING THROUGH MONDAY NIGHT/. Dry weather is expected this evening as the high/shortwave ridging moves east across the area. Rain chances are expected to increase again late tonight as a shortwave in SW flow aloft, and its associated sfc warm front, approach the Upper Ohio Valley region. Maintained categorical POPs through most of Sunday with jet assisted ascent, and deep layer moisture increasing. QPF amounts from 1-2 inches, and/or snowmelt across portions of WV, could result in some flooding issues. Issued a Flood Watch for late tonight through Sunday night in this area. Point specific river flood watches also remain in effect for some points along the Cheat and Monongahela rivers.

Rainfall amounts should taper off further north of the PA/WV border. Rain should gradually end Sunday night as the shortwave support/moisture exit the region, and the associated sfc cold front completes its passage. A crossing upper trough should return slight/low chances for snow N of I 80 Monday afternoon, otherwise colder temperatures and dry weather should continue through Monday night as high pressure builds across the region.

LONG TERM /TUESDAY THROUGH FRIDAY/. Dry weather should continue Tue under high pressure. Model ensembles indicate an upper trough should approach the region Tue night/Wed, with low rain and snow chances returning. Generally dry weather is then expected through late week as high pressure builds across the region.

AVIATION /09Z SATURDAY THROUGH WEDNESDAY/. Deterioration to MVFR, and eventual IFR, is expected this morning as a crossing shortwave trough spreads rain across the region. The rain should taper off as the shortwave exits later this morning/early afternoon and high pressure builds in, though MVFR cigs should continue with low level moisture below a subsidence inversion.

The MVFR should continue tonight ahead of an approaching warm front. Wind should veer from SE-W today with the passage of the trough, and from W to E tonight ahead of the approaching warm front.

Outlook. Restrictions in rain potential will continue into Monday with crossing low pressure.

PBZ WATCHES/WARNINGS/ADVISORIES. PA . None. OH . None. WV . Flood Watch from late tonight through late Sunday night for WVZ021- 509>514. Winter Weather Advisory until 10 AM EST this morning for WVZ514.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Morgantown Municipal-Hart Field, WV19 mi47 minSE 1010.00 miOvercast47°F35°F63%1016.2 hPa

Link to 5 minute data for KMGW

Wind History from MGW (wind in knots)
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Last 24hrCalmCalmCalmCalmE4E6E7SE7SE7SE10E7E6SE6S11S15
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1 day ago3N7N6NW33Calm3NW443N8W7NW7NW3CalmCalmCalmCalmCalmCalmN4N3CalmCalm
2 days agoS5CalmCalmCalmS3S6S8
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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Ground Weather Radar Station




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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 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.