Tuesday, August11, 2020
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Marine Weather and Tides
Delaware, 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 6:38AMSunset 8:35PM Tuesday August 11, 2020 8:10 PM EDT (00:10 UTC) Moonrise 11:46PMMoonset 1:15PM Illumination 44% Phase: Third Quarter Moon; Moon at 23 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:202008111415;;269986 Fzus51 Kcle 110754 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 354 Am Edt Tue Aug 11 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>144-111415- 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- 354 Am Edt Tue Aug 11 2020
Today..Southwest 10 to 20 knots becoming west 5 to 15 knots then northwest less than 10 knots. A chance of waterspouts this morning. A chance of showers early this afternoon. A slight chance of showers late. Waves 2 feet or less.
Tonight..Northwest winds 10 knots or less becoming north. Partly cloudy. Waves 1 foot or less.
Wednesday..North winds less than 10 knots. Mostly Sunny. Waves 1 foot or less.
Wednesday night..East winds less than 10 knots becoming northeast. Partly cloudy. Waves 1 foot or less. SEe lake erie open lakes forecast for Thursday through Saturday. The water temperature off toledo is 75 degrees, off cleveland 75 degrees, and off erie 77 degrees.
LEZ144


7 Day Forecast for Marine Location Near Delaware, OH
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location: 40.3, -83.07     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 112338 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 738 PM EDT Tue Aug 11 2020

SYNOPSIS. A closed low pressure system along with lingering moisture will provide a chance of afternoon showers and thunderstorms late this week through the weekend.

NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/. Weak surface high pressure will build into the forecast area late this evening, bringing light winds and some valley fog development in favored areas. Dewpoints may drop a bit in the north, with higher fog potential in the lower Scioto and Ohio Valleys. Temperatures will drop into 60s, with the drier, cooler temps in the northwest.

SHORT TERM /6 AM WEDNESDAY MORNING THROUGH WEDNESDAY NIGHT/. After fog burns off in the morning, expecting weak high pressure to continue to provide generally dry weather. South of I-71, lingering low level moisture will allow some marginal instability (<1000J/kg) to pop a few showers a maybe a storm in the late afternoon through early evening. Otherwise, expecting another quiet weather day. Highs will reach into the 80s on Wednesday, with lows Wednesday night in the mid 60s to near 70.

LONG TERM /THURSDAY THROUGH TUESDAY/. A broad but somewhat large midlevel open wave/low will be positioned to the west/southwest of the Ohio Valley for the start of the long term period, with the trof axis/center of the low positioned somewhere in the vicinity of western KY/TN. Even though we are only 48 hours or so away, some notable differences remain amongst the global/synoptic models regarding the evolution of this feature as it meanders its way east/northeast into/through the region from Thursday through Saturday. While the GFS/CMC are more aggressive bringing the open wave/closed low north into the heart of the region by Friday into Saturday, the ECMWF continues to show a more suppressed solution with the closed low meandering about the TN Vly with relatively dry low level air attempting to impinge into northern parts of the local area during the latter half of the workweek. Certainly these differences bear vastly different solutions for the sensible weather locally, with the latter/suppressed solution keeping the best ascent/LL moisture just to the south of the immediate ILN FA through Friday. It is worth noting that /eventually/ the ECMWF attempts to shunt the system east by Saturday, perhaps bringing just enough moisture into the southern Ohio Valley as to introduce diurnally-driven PoPs. However, the GFS/CMC paint a much wetter/cloudier, and consequently cooler, solution for the Thursday-Saturday time period.

Did try to skew the fcst to a solution more in-between, with lower /primarily daytime/ PoPs especially for the southern parts of the local area for Thursday and a bit more coverage on Friday into Saturday as well. This lines up well with some of the ensemble mean solutions on both the GEFS and EPS. Would expect to see the best coverage /perhaps scattered in nature/ to be focused toward the Ohio River and points south, with a trend toward drier conditions in the west by later Saturday into Sunday as the mid/upper level feature slides east of the region.

Will see more pronounced troughing evolve near/east of the Mississippi River Valley for the start of next workweek, signaling a trend toward drier and cooler conditions for the end of the long term period into the middle of next week. Before that, however, temperatures will generally be near seasonal norms or perhaps slightly above normal from the end of this workweek into the weekend, with daytime highs in the upper 80s and lows in the 60s.

AVIATION /00Z WEDNESDAY THROUGH SUNDAY/. High pressure stretching across the Great Lakes will provide weak forcing and limited deep moisture through this period. FG and BR is forecast to form late tonight in humid and calm air near the ground, with LIFR possible at LUK and MVFR at ILN. Otherwise, visibilities may remain above 5 miles. Ceilings should stay above 3000 feet. A few showers will be possible in the vicinity of CVG and LUK on Wednesday in moister air residing near the Ohio River. Winds becoming northeast will stay light in a loose pressure gradient.

OUTLOOK . Thunderstorms possible Friday and Saturday, mainly in the afternoon and evening.

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

SYNOPSIS . Hogue NEAR TERM . Hogue SHORT TERM . Hogue LONG TERM . KC AVIATION . Coniglio


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
OWXO1 - Old Woman Creek, OH 80 mi85 min SW 1.9 84°F 1014 hPa69°F
HHLO1 - Huron Light, OH 81 mi70 min W 9.9 G 12 82°F 1013.2 hPa (+0.0)
MRHO1 - 9063079 - Marblehead, OH 88 mi52 min WSW 2.9 G 7 81°F 74°F1012.9 hPa65°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Columbus, Ohio State University Airport, OH15 mi77 minNNW 810.00 miMostly Cloudy83°F68°F61%1014 hPa
Marysville Union County Airport, OH16 mi71 minWNW 410.00 miMostly Cloudy81°F66°F62%1015.6 hPa
Marion, Marion Municipal Airport, OH22 mi77 minNNW 610.00 miPartly Cloudy79°F66°F67%1014.8 hPa
John Glenn Columbus International Airport, OH22 mi79 minWSW 810.00 miMostly Cloudy83°F66°F57%1013.7 hPa

Link to 5 minute data for KOSU

Wind History from OSU (wind in knots)
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Last 24hrSW6SW6W6N5S6S7S4CalmW5NW6W5W3W8W10W8W5W8W6SW6
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1 day agoS5CalmCalmS4S6CalmSE4S4SW3E3SE3SE5S3S6S7SW8S10S10
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2 days agoNW4CalmS3CalmCalmN3CalmCalmCalmCalmS4S4S4S43SW4S6SW5S7W5W7SW7SW7SW7

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
Wind Forecast for Wilmington, OH (20,4,5,8)
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Ground Weather Radar Station Wilmington, 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.