Monday, December9, 2019
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Marine Weather and Tides
Circleville, OH

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:37AMSunset 5:07PM Monday December 9, 2019 12:41 PM EST (17:41 UTC) Moonrise 3:44PMMoonset 4:49AM Illumination 95% 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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7 Day Forecast for Marine Location Near Circleville, OH
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location: 39.64, -82.89     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 091525 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 1025 AM EST Mon Dec 9 2019

SYNOPSIS. Low pressure will lift into southern Ontario, providing rain into the evening hours. A strong cold front will bring sharply colder temperatures on Tuesday as the low exits to the northeast. Wednesday and Thursday will be cold and dry before temperatures begin to rebound late in the week.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Rain shield has developed some holes this morning as the initial shot of lift moves off the to northeast. Expect the rain to increase in coverage again for the afternoon hours as an area of H5 pva swings east up the Ohio River Valley, so kept PoPs near 100 percent.

Temperatures will warm into 50s, ranging from the lower 50s in the north to the upper 50s in nrn KY.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM TUESDAY/. Monday night into Tuesday, a strong cold front will push southeast, ending precipitation across much of the area as drier air works in aloft from the northwest and upper support exits to the east. However, model consensus shows increasing confidence that the front will slow across central Kentucky as a wave develops along it. This provides impetus for a precipitation shield to potentially touch our far southeastern counties (Scioto and Lewis), where light snow may develop on the cold side of the boundary. Added up to an inch of wet snow there, though admittedly the uncertainty is high as to the exact cutoff of the precipitation.

Temperatures will fall starting late Monday evening, then continue falling through the day on Tuesday. Skies will likely remain cloudy through the period under strong CAA conditions.

LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/. Any lingering light snow across our extreme southeast should taper off through Tuesday evening. With surface high pressure building in from the west, we should see an overall decreasing cloud trend through Tuesday night. The surface high will continue to build east into the Great Lakes region Wednesday into Wednesday night, with the axis of coldest air aloft shifting east across our area. This will help keep highs on Wednesday generally in the low to mid 30s. With the high centered just off to our northeast by Thursday morning, will undercut temps a bit for Wednesday night and go with lows in the teens. Thursday will also be dry and continued seasonably cool as the high shifts slowly off to the east. Highs on Thursday will be in the mid to upper 30s.

Quasi-zonal flow aloft mid week will become somewhat more amplified heading into the weekend as a series of mid level short waves move east out of the Plains. This will lead to a developing surface low over the eastern US, but the models continue to struggle with timing and placement of this. Nonetheless, in developing southerly lower level flow across the region on Friday, we should see some moisture advection up into our area. With still some uncertainty though, will just allow for some chance pops to spread across the region, mainly from Friday night into Saturday. Temperatures will moderate some through the end of the week, with highs Friday through Sunday mostly in the 40s.

AVIATION /15Z MONDAY THROUGH FRIDAY/. Rain is currently increasing at the terminals, and MVFR ceilings will soon develop based on model guidance. Expecting these to lower into IFR cigs by later this morning into early afternoon with continued periods of rain, with IFR visby also possible in mist.

TCVG radar currently measuring 45 knots of elevated wind out of the southwest at 2,000 feet AGL. These elevated winds will spread to the north and east this morning, with LLWS inserted at all terminals due to speed shear. Less certain are wind gusts in the 20-25 knot range mixing down to the surface, but did add them into the TAFs for the afternoon hours.

Expecting low cloud bases to lift into MVFR levels by later this evening due to some drying in the low levels after the rain ends. Latest guidance is slower to return VFR conditions until potentially by the end of the CVG TAF time frame.

OUTLOOK . No significant weather is expected.

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

SYNOPSIS . Hogue/Sites NEAR TERM . Sites SHORT TERM . Hogue LONG TERM . JGL AVIATION . Hogue


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rickenbacker Air National Guard Base, OH13 mi1.8 hrsS 14 G 2110.00 miRain49°F47°F94%1005.8 hPa
Lancaster, Fairfield County Airport, OH14 mi49 minS 17 G 239.00 miLight Rain52°F48°F89%1004.7 hPa
Columbus, Bolton Field Airport, OH22 mi57 minS 107.00 miRain50°F48°F94%1004.4 hPa

Link to 5 minute data for KLCK

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1 day agoCalmS3E3CalmCalmCalmE3E4E4E6SE3CalmCalmNE3NE3CalmE3CalmCalmCalmS6S9S8S9
2 days agoNW12
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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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Wilmington, OH (12,3,4,5)
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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 numerious 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.