Sunday, January24, 2021
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Marine Weather and Tides
Powell, OH

Version 3.4
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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 7:45AMSunset 5:42PM Sunday January 24, 2021 3:02 AM EST (08:02 UTC) Moonrise 1:59PMMoonset 4:20AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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:202101240315;;375559 Fzus51 Kcle 232023 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 323 Pm Est Sat Jan 23 2021 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>144-240315- Maumee Bay To Reno Beach Oh-reno Beach To The Islands Oh- The Islands To Vermilion Oh- 323 Pm Est Sat Jan 23 2021
Tonight..West winds 10 knots or less becoming south. Partly cloudy this evening, then becoming mostly cloudy. Waves 1 foot or less.
Sunday..Southeast winds 5 to 15 knots. A slight chance of snow showers. Waves 2 feet or less.
Sunday night..Southeast winds 5 to 15 knots becoming east 10 knots or less. Mostly cloudy. Waves 2 feet or less.
Monday..East winds 5 to 15 knots increasing to 15 to 20 knots. A chance of snow and rain showers in the afternoon. Waves 2 feet or less building to 3 to 5 feet. Waves occasionally around 6 feet. SEe lake erie open lakes forecast for Tuesday through Thursday. The water temperature off toledo is 33 degrees, off cleveland 36 degrees, and off erie 34 degrees.
LEZ144


7 Day Forecast for Marine Location Near Powell, OH
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location: 40.17, -83     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 240604 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 104 AM EST Sun Jan 24 2021

SYNOPSIS. High pressure will move off to the east overnight. A weak disturbance will bring some light precipitation on Sunday. More substantial precipitation will occur Monday into Monday night as low pressure tracks across the region.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Mid and high level clouds will continue to overspread the region tonight as surface high pressure moves off to our east. Temperatures have fallen into the low to mid 20s and may drop off a bit more in the near term but should then begin to level off as the clouds continue to thicken up.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM MONDAY/. Warm front will set up across Kentucky on Sunday. A weak mid level impulse will track across the region through the day. Forcing is weak and low levels will initially be dry. So any precipitation that falls will be light. Most, if not all, measurable precipitation will occur in southern counties in closer proximity to the low level boundary. Thermal profiles support snow initially, but low level warm which will change precipitation to liquid. There may be a brief period of freezing rain before surface temperatures rise above freezing. Impacts looks to be minimal at most. Cannot completely rule out some patchy wintry mix in northern counties, but most of that part of the area will be dry.

After this impulse moves east, expect the area to be dry for much of Sunday night. Next round of precipitation may start to spread into the Tri-State before daybreak Monday. Temperatures are forecast to be above freezing, so this precipitation would be rain.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/. Temperatures are expected to be hovering around freezing Monday morning as a low pressure system approaches from the Mississippi River Valley. North of the Ohio River, temperatures are much more likely to be below freezing than south of the River with the coldest air around I-70 and points north. This below freezing air near the surface will play an important role in onset precipitation type associated with approaching low.

To start off the morning, precipitation will overspread the area from the southwest along with warm air aloft. Rain is expected to be the dominant precipitation type near and south of the Ohio River where surface temperatures are likely to be above freezing. Freezing rain will likely occur in areas where surface temperatures are near/below 32, which is expected to be along the I-70 corridor and points north. Areas south of I-70 and north of the Ohio River will hover close to freezing and may have a messy mixture of both freezing rain and rain Monday morning. Precipitation intensity is expected to be rather light on Monday morning leading to max ice accumulations remaining 0.1 of an inch or less, but this could still cause some slick spots on roadways.

By Monday afternoon, surface temperatures are fairly likely to rise near/above freezing over the entire area. Warming temperatures, in combination with insolation, may lead to precipitation changing to all rain everywhere by 2PM. The heaviest rain during Monday afternoon is expected to occur near and south of the Ohio River where banded elements may persist due to decent frontogenesis setting up around 850 hPa in combination with 2+ sigma PWAT anomalies. About 2 inches of rain may occur in far southern Ohio/northern Kentucky and this may lead to some nuisance flooding issues, but nothing significant is expected.

The weakening surface low responsible for the precipitation on Monday and Monday night fills and moves east by Tuesday leading to quiet weather for Tuesday and Wednesday with cloudy skies and temperatures near seasonal averages.

The next chance for widespread precipitation then moves through the Ohio Valley sometime between Wednesday night and Thursday. Currently, snow is the dominant p-type forecast with this system, but many details regarding the upper-level shortwave and surface cyclogenesis are still very uncertain at this time. Surface high pressure then moves in leading to quiet weather by the end of the week.

AVIATION /06Z SUNDAY THROUGH THURSDAY/. As surface high pressure moves off to the east an increase in mid and high level clouds will be observed through sunrise.

A mid level disturbance will track east across the Tennessee and Ohio Valleys today. An axis of favorable isentropic lift will lead to the development of light precipitation -- which will spread across mainly southern portions of our area (KCVG/KLUK) later this morning and then push off to the east through thru the afternoon.

Precipitation type will likely start off as light snow before mixing with a period of freezing rain and then changing to rain through the afternoon. As the low levels moisten up, cigs will fall into MVFR through late morning/early afternoon, with IFR cigs developing thru the aftn hours.

Expect IFR cigs to persist across all TAF sites tonight. Have included a mention of rain at the 30 hour KCVG TAF sites with re-development toward sunrise Monday across ahead of a warm front which develops across KY.

OUTLOOK . MVFR to IFR ceilings will persist into Tuesday. MVFR to IFR visibilities are likely as well into Monday night. A brief period of freezing rain is possible Monday morning.

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

SYNOPSIS . NEAR TERM . JGL SHORT TERM . LONG TERM . Campbell AVIATION . AR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HHLO1 - Huron Light, OH 88 mi62 min S 6 G 8 21°F 1024.7 hPa (-1.0)
MRHO1 - 9063079 - Marblehead, OH 96 mi44 min SSE 4.1 G 6 23°F 32°F1025.1 hPa12°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbus, Ohio State University Airport, OH7 mi69 minESE 510.00 miMostly Cloudy24°F13°F62%1027 hPa
John Glenn Columbus International Airport, OH13 mi71 minESE 410.00 miMostly Cloudy24°F12°F60%1027.2 hPa
Marysville Union County Airport, OH19 mi67 minN 010.00 miFair22°F14°F72%1025.4 hPa
Columbus, Bolton Field Airport, OH20 mi67 minESE 310.00 miMostly Cloudy23°F13°F66%1026.1 hPa
Rickenbacker Air National Guard Base, OH24 mi67 minN 010.00 miPartly Cloudy21°F13°F70%1026.4 hPa

Link to 5 minute data for KOSU

Wind History from OSU (wind in knots)
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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.
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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.