Saturday, January23, 2021
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Marine Weather and Tides
Neffs, OH

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:36AMSunset 5:32PM Saturday January 23, 2021 1:55 AM EST (06:55 UTC) Moonrise 1:14PMMoonset 3:10AM Illumination 74% Phase: Waxing Gibbous; Moon at 10 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 Neffs, OH
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location: 40, -80.83     debug


Area Discussion for - Pittsburgh, PA
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FXUS61 KPBZ 230151 AFDPBZ

Area Forecast Discussion National Weather Service Pittsburgh PA 851 PM EST Fri Jan 22 2021

SYNOPSIS. Cooler temperatures expected today along with scattered snow showers through Saturday morning with the passing of a cold front.

NEAR TERM /THROUGH SATURDAY/. Scattered snow showers will continue with shortwave support and vorticity advection aloft. Low level lapse rates are near 5 C/KM in cold advection, will allow for brief visibility drops in any passing shower. Lack of moisture in the boundary layer and largely unfavorable wind direction to gather moisture flux from Lake Erie, snowfall accumulation will be mainly limited to north of I-80 with 1-2 inches possible, and up to a half an inch elsewhere.

Temperatures will drop overnight to near 10 degrees below the norm. With no building inversion due to strong cold advection overnight, expect pre-dawn wind chills to remain in the single digits in the lower elevations/below zero in the ridges, with little recovery Saturday.

SHORT TERM /SATURDAY NIGHT THROUGH SUNDAY/. Ridging will keep the majority of Sunday dry with precipitation chances increasing late Sunday ahead of low pressure approaching from the west.

LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/. The aforementioned low pressure ejecting out of the Great Plains early Monday and into the Ohio River Valley late Tues may create hazardous winter weather for portions of our region. This system looks potent with plenty of dynamical forcing including jet support, associated frontogenesis and vorticity advection. With cold sfc temperature and strong warm advection aloft, periods of freezing rain may be observed. Uncertainty remains regarding precipitation type, amount, and timing.

Dry conditions return early Wednesday with high pressure back in control. Another system is progged Thursday/Friday, however, strong high pressure centered to the north may keep the low track far enough south to have minimal impact to the region.

AVIATION /02Z SATURDAY THROUGH WEDNESDAY/. Cold flow upsloping out of the Great Lakes Region will continue to support stratocu and shsn into the eve. Expect MVFR cigs, persistent flurries and IFR vsby in more organized shsn. These conditions are expected through the ovrngt hours given the advn of another shrtwv trof aftr midngt. Building high pres wl herald improvement for Saturday.

Outlook. Restrictions are likely for the first half of the new week as a series of troughs affect the region.

PBZ WATCHES/WARNINGS/ADVISORIES. PA . None. OH . None. WV . None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wheeling, Wheeling Ohio County Airport, WV15 mi62 minWNW 1010.00 miOvercast24°F10°F55%1020.5 hPa

Link to 5 minute data for KHLG

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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: 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

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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.