Monday, August3, 2020
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Marine Weather and Tides
Mansfield, OH

Version 3.4
NOTICE
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 6:27AMSunset 8:44PM Monday August 3, 2020 1:18 PM EDT (17:18 UTC) Moonrise 8:11PMMoonset 5:09AM Illumination 100% Phase: Full Moon; Moon at 14 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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LEZ144 Expires:202008030815;;845581 Fzus51 Kcle 030304 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 1104 Pm Edt Sun Aug 2 2020 For Waters Within Five Nautical Miles Of Shore Waves Are The Significant Wave Height - The Average Of The Highest 1/3 Of The Wave Spectrum. Occasional Wave Height Is The Average Of The Highest 1/10 Of The Wave Spectrum. Lez142>144-030815- Lake Erie Nearshore Waters From Maumee Bay To Reno Beach Oh- Lake Erie Nearshore Waters From Reno Beach To The Islands Oh- Lake Erie Nearshore Waters From The Islands To Vermilion Oh- 1104 Pm Edt Sun Aug 2 2020
Rest of tonight..Southwest winds 5 to 10 knots. A slight chance of showers late this evening. Waves 2 feet or less.
Monday..South winds 5 to 10 knots becoming southwest. A slight chance of showers and Thunderstorms in the morning, then showers likely with a chance of Thunderstorms in the afternoon. Waves 1 foot or less.
Monday night..Southwest winds 10 knots or less becoming northwest. Showers likely with a chance of Thunderstorms in the evening, then a chance of showers overnight. Waves 1 foot or less.
Tuesday..Northwest winds 5 to 10 knots becoming north. A chance of showers in the morning, then a chance of showers and Thunderstorms in the afternoon. Waves 1 foot or less. Winds and waves higher in and near Thunderstorms. SEe lake erie open lakes forecast for Wednesday through Friday. The water temperature off toledo is 77 degrees, off cleveland 77 degrees, and off erie 78 degrees.
LEZ144


7 Day Forecast for Marine Location Near Mansfield, OH
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location: 40.77, -82.57     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 031359 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 959 AM EDT Mon Aug 3 2020

SYNOPSIS. Weak high pressure this morning will drift east as a cold front approaches from the central Great Lakes. A weak low will move into southern Ontario this afternoon then reach western New York Tuesday morning. A cold front is expected to move across the region from west to east through Tuesday morning. High pressure will build across the region midweek into the weekend.

NEAR TERM /THROUGH TUESDAY/. Minor adjustments to pops with the mid morning update. Hi-res guidance indicating some shower and possible thunderstorms developing from southwest to northeast across the area beginning early this afternoon, mainly along and east of the I-71 corridor. Ongoing forecast was a little quicker with development vs. the latest model trends, so slowed down the arrival of chance/low likely pops a few hours. Otherwise, the forecast is generally on track.

Original discussion . Showers will gradually increase ahead of a cold front today as an upper level trough cools the atmosphere aloft. The cooling aloft may result in scattered thunderstorms but do not think the thunder will be widespread. Cloud cover will keep temperatures slightly below seasonal averages with highs ranging from the upper 70's to around 80.

Cold front continues its move across the region tonight with a continuation of showers and thunderstorms through the evening. Think the thunder will dissipate after sunset but expect scattered showers to persist through the night. Cold front will reach the eastern CWA by sunrise on Tuesday. Lows tonight in the 60's.

Upper level trough will trail the surface cold front that should be east of the region by Tuesday afternoon. Still enough cool air aloft in the wake of the front for some high based showers through sunset. These will mainly be across NE OH/NW PA. Cooler in the wake of the front on Tuesday with highs mostly in the mid to upper 70's.

SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY NIGHT/. Upper level trough will remain persistent across the Great Lakes region Tuesday night and then quickly shift off to the east Wednesday. Broad cyclonic flow will be present Wednesday followed by a shortwave trough that will shift east over the area Thursday. Surface high pressure will build northeast across the area through Thursday night and will bring a return to fair weather to the region. Large area of upper level negative vorticity advection and fairly dry air will also be a dominant feature across the area. As the surface high slides east into the region, some cold air advection will take place keeping temperatures relatively cool through the period. Highs Wednesday will be in the middle 70s and Thursday will see highs in the upper 70s to lower 80s. Otherwise, lows will be in the lower to middle 50s.

LONG TERM /FRIDAY THROUGH SUNDAY/. An upper level shortwave trough will race east across the area Friday with a vigorous positive vorticity advection taking place. Ridging will move east over the area Saturday resulting in the stalling of the surface high pressure over the northern Appalachians to New York state by Sunday morning. A series of fast moving shortwave troughs will move into the area Sunday and Sunday night with some associated moisture. Can't rule out a threat for showers and thunderstorms possibly late Saturday night or Sunday into Sunday night. As surface high pressure shifts east, a return to a warm air advection pattern will result in temperatures gradually warming from the lower 80s Friday to the middle and upper 80s by Sunday. Lows will be in the middle to upper 60s across the area through the period except upper 50s Friday night in the extreme east.

AVIATION /12Z Monday THROUGH Friday/. Low level warm advection across the east may bring MVFR/IFR conditions to eastern OH into NW PA through mid morning. This will mainly impact KYNG into inland NW PA. Some patchy MVFR/IFR ground fog will be possible around sunrise but will likely miss most TAF sites. Showers and scattered thunderstorms will increase in coverage into the afternoon ahead of a cold front that will move into NW OH by 18Z. MVFR and brief IFR conditions will be associated with the heaviest showers/thunderstorms.

Wind will be light through sunrise then increase to around 10 knots from the southwest this afternoon. Winds will shift to the NW and N after 06Z as a cold front moves from west to east overnight.

Outlook . Non-VFR in scattered showers and thunderstorms that move west to east across the area on Tuesday.

MARINE. Winds on the lake will be gradually diminishing today through Tuesday morning as the low pressure system that affected the area yesterday continues to move northeast of the area. Another weak wave of low pressure will move through the region today. There is the possibility with the showers and thunderstorms today through Tuesday morning for waterspouts and cooler air over the lake increases instability. Winds will be diminishing to light and variable through the day Wednesday into Wednesday night. This overall trend will continue into Friday.

CLE WATCHES/WARNINGS/ADVISORIES. OH . None. PA . None. MARINE . None.

SYNOPSIS . MM NEAR TERM . Greenawalt/MM SHORT TERM . Lombardy LONG TERM . Lombardy AVIATION . MM MARINE . Lombardy


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 42 mi94 min SSW 2.9 78°F 1015 hPa68°F
HHLO1 - Huron Light, OH 44 mi79 min WSW 9.9 G 14 77°F 1014.2 hPa (-0.4)
MRHO1 - 9063079 - Marblehead, OH 54 mi49 min SSW 6 G 12 78°F 77°F1013.9 hPa63°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mansfield - Mansfield Lahm Regional Airport, OH5 mi27 minSSW 1110.00 miA Few Clouds79°F66°F65%1015.5 hPa

Link to 5 minute data for KMFD

Wind History from MFD (wind in knots)
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1 day agoSE8E3CalmN5N5S5E7W7E5SE6SE10SE10S9S11S9S9SW10SW12
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2 days agoNW11N12
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NW8N9N6NE9N8N5N4N5N6NE5NE5NE4NE3CalmCalmS7CalmE3E6E5E6E7

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Cleveland, OH (13,3,4,5)
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Ground Weather Radar Station Cleveland, OH
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Disclaimer:
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.