Tuesday, September29, 2020
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Marine Weather and Tides
Alexandria, 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 7:25AMSunset 7:17PM Tuesday September 29, 2020 11:41 PM EDT (03:41 UTC) Moonrise 5:45PMMoonset 4:01AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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:202009300815;;570042 Fzus51 Kcle 300108 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 908 Pm Edt Tue Sep 29 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>144-300815- 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- 908 Pm Edt Tue Sep 29 2020
.small craft advisory in effect from 6 am edt Wednesday through Wednesday evening...
Overnight..Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet.
Wednesday..Southwest winds 15 to 25 knots. A chance of waterspouts in the afternoon. A chance of showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet.
Wednesday night..West winds to 30 knots becoming southwest 15 to 25 knots. A chance of waterspouts in the evening. A chance of showers in the evening. Waves 3 to 5 feet subsiding to 2 to 4 feet. Waves occasionally around 6 feet.
Thursday..Southwest winds 15 to 20 knots becoming west. A chance of waterspouts in the afternoon. Showers likely in the afternoon. Waves 1 to 3 feet. SEe lake erie open lakes forecast for Friday through Sunday. The water temperature off toledo is 66 degrees, off cleveland 68 degrees, and off erie 67 degrees.
LEZ144


7 Day Forecast for Marine Location Near Alexandria, OH
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location: 40.11, -82.66     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 300225 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 1025 PM EDT Tue Sep 29 2020

SYNOPSIS. Very cool and dry conditions will be the rule through most of this week as an upper level trough digs into the northeast U.S. A low pressure system will bring gusty winds on Wednesday, and strong surface high pressure building in will bring the potential for frost Friday night.

NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/. Showers area weakening rapidly and will dissipate before midnight. Remaining cloud cover will persist a bit longer before diminishing. Forecast lows still look reasonable with the possibility of some readings starting to rise before daybreak as winds start to pick up.

SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/. Mid level flow shifts from the west to the southwest as the next major shortwave digs into the base of the eastern U.S. trough. 500mb flow nearing 100 knots leads to strong low level jet of 40-50 knots at 850mb through the forecast area by late morning. This coexists with mostly sunny skies and a warming boundary layer. Main concern during this time is winds gusts ranging from 30-40mph at the surface. Winds will continue to gust through the afternoon, though increasing mid-level clouds after 18Z will help to decrease mixing and gust potential a bit.

A brief period of light showers is possible as a fast-moving cold front slides southeast during the evening hours. Temperatures will reach the upper 60s to near 70 Wednesday afternoon.

Wednesday night, clouds will decrease behind the front, leaving cool, dry conditions and temperatures dropping into the mid 40s.

LONG TERM /THURSDAY THROUGH TUESDAY/. A persistent, long-wave trough will keep temps below climatological norms through the period. A s/w H5 trough and its associated PVA will swing over the Ohio Valley on Thursday, providing a source of instability that could help initiate some spotty rain showers, mainly across the northern fa.

Friday and Friday night still appear to be the coldest day of the period as H5 height falls ensue with the deepening trough, keeping highs in the mid-50s to near 60. Kept PoPs out of the forecast due to drier air in the mid-levels ushering in, along with weak forcing being in place as surface high pressure builds in from the west. With overnight lows on Friday dropping into the upper-30s across parts of the northern and western fa, decided to keep the patchy frost potential. Only limiting factor will be some lingering mid- level clouds that could slightly reduce the amount of radiational cooling at the surface.

Saturday will feature similar conditions to Friday, with high temps only forecast to be a degree or two warmer. As the surface high pressure shifts eastward across the Ohio Valley, pcpn chances will be diminished as subsidence dominates. Could see a few more clouds mix into the forecast as some moisture return at H7 is displayed in global models.

Another H5 s/w trough will dig into the Mid-Atlantic on Sunday, likely bringing a wave of pcpn from west to east in our fa. PVA aloft will become more enhanced throughout the day, leading to higher PoPs during the afternoon and early evening hours. High pressure will then quickly build in Sunday night into Monday, drying out the fa again. High temps on Monday will still be below average, but a return of southerly flow will help put us in a warming trend as we begin to progress through next week. Temperatures on Tuesday will be much more seasonal in the upper-60s to near 70 as the H5 trough slightly dampens and weak WAA ensues.

AVIATION /02Z WEDNESDAY THROUGH SUNDAY/. Showers will embedded thunderstorms will impact KILN early in the period. Most likely this will diminish before reaching KCMH/KLCK. Clouds will become few to scattered in the wake of the line of showers and storms. Winds will back after 06Z and start to slowly strengthen. After 13Z, there will be a substantial increase in winds speeds, both sustained and gusts. A mid deck will overspread the region after 18Z and winds will veer late in the period as a cold front crosses the area. Cannot completely rule out some showers along the front, but at this time the chance is too low to include in the TAFs.

OUTLOOK . MVFR ceilings and visibilities possible Sunday.

ILN WATCHES/WARNINGS/ADVISORIES. OH . None. KY . None. IN . None.

SYNOPSIS . Hogue NEAR TERM . SHORT TERM . Hogue LONG TERM . JDR AVIATION .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 88 mi57 min S 1 49°F 1008 hPa48°F
HHLO1 - Huron Light, OH 89 mi42 min SSW 6 G 8 53°F 1006.4 hPa (-1.4)
MRHO1 - 9063079 - Marblehead, OH 99 mi54 min SSW 1.9 G 5.1 55°F 67°F1006.7 hPa43°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newark, Newark Heath Airport, OH12 mi48 minN 02.50 miFog/Mist50°F46°F89%1009.1 hPa
John Glenn Columbus International Airport, OH14 mi51 minWSW 710.00 miMostly Cloudy54°F48°F80%1009.2 hPa
Knox County Airfield, OH17 mi47 minSSW 310.00 miFair48°F48°F100%1009.5 hPa
Columbus, Ohio State University Airport, OH22 mi49 minWSW 810.00 miOvercast53°F46°F80%1009 hPa
Rickenbacker Air National Guard Base, OH24 mi2.8 hrsS 310.00 miFair51°F45°F82%1009.5 hPa

Link to 5 minute data for KVTA

Wind History from VTA (wind in knots)
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Last 24hrW3W3SW3W5SW4SW5SW4S5SW3S5SW3CalmS5SW4W5SW6SW6S4S5SE6S4CalmCalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmS3S8S7SW12
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2 days agoCalmCalmSW3CalmW3CalmCalmSW3CalmCalmS7SW6SW12SW8
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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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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 Wilmington, OH
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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.