Thursday, January21, 2021
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Marine Weather and Tides
Gratiot, 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 7:44AMSunset 5:37PM Thursday January 21, 2021 11:01 PM EST (04:01 UTC) Moonrise 12:21PMMoonset 1:17AM Illumination 63% Phase: Waxing Gibbous; Moon at 9 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 Gratiot, OH
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location: 39.99, -82.23     debug


Area Discussion for - Pittsburgh, PA
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FXUS61 KPBZ 220204 AFDPBZ

Area Forecast Discussion National Weather Service Pittsburgh PA 904 PM EST Thu Jan 21 2021

SYNOPSIS. Scattered snow showers return beginning tonight, and persisting through Saturday with the passing of a cold front.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. No changes were needed for the late eve update.

Previous . A shortwave trough/reinforcing cold front is progged to cross the region late tonight. Scattered snow showers are thus expected to develop mainly north of PIT. Initial warm advection, eventual cloud cover, and mixing via a decent gradient wind should hold temperature about 5 degrees above the calculated-normals.

SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY NIGHT/. Some isolated to scattered snow showers are likely on Friday given the relatively deep mixing layer with cold flow upsloping off the lakes region. This should continue through part of Saturday given a very low dendritic growth zone before building High pressure sufficiently lowers the inversion and suppresses the convection. Ambient dry advection will be the accumulation inhibitor and no winter headlines are anticipated at moment. Temperature about 10 degrees below average are expected in the wake of the Friday front.

LONG TERM /SUNDAY THROUGH THURSDAY/. Generally dry weather is expected Sunday ahead of an approaching Nrn Plains-Wrn CONUS trough. Rain and snow chances are expected to return Sunday night and Monday with warm, moist advection in SW flow ahead of that approaching trough.

Model ensemble solutions indicate the trough, and an associated sfc low, should cross the region Monday night, with decreasing precipitation chances on Tuesday as the trough/low shifts east. Operational model solutions continue to differ on the strength of the trough and position of the sfc low, so maintained a ensemble based blended forecast to account for uncertainty and smooth out some operational model differences. Ridging, ahead of another Wrn CONUS trough, should return dry weather for Wednesday. Seasonably cold temperatures are expected through the period.

AVIATION /02Z FRIDAY THROUGH TUESDAY/. VFR can be expected, though wind gusts will remain while a cold front approaches. MVFR cigs are expected by/shortly after midnight with frontal passage. Stratocu should prevail on Friday in the post- frontal cold flow off the lakes, with shsn possible in FKL and DUJ.

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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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 97 mi76 min WSW 4.1 36°F 1005 hPa25°F
HHLO1 - Huron Light, OH 99 mi61 min W 11 G 15 36°F 1004.1 hPa (+1.7)

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newark, Newark Heath Airport, OH13 mi67 minWSW 1010.00 miFair40°F22°F49%1007.9 hPa
Zanesville, Zanesville Municipal Airport, OH18 mi68 minW 1210.00 miFair41°F21°F45%1007.6 hPa

Link to 5 minute data for KVTA

Wind History from VTA (wind in knots)
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2 days agoSW6SW6S4SW4SW7SW6W8W14W6W6W5W9SW8W9SW8SW9SW9SW9SW8SW6SW8SW6W6SW6

Tide / Current Tables for
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Tide / Current Tables for
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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
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.