Tuesday, December10, 2019
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Marine Weather and Tides
Hamilton, 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 7:45AMSunset 5:16PM Tuesday December 10, 2019 11:03 AM EST (16:03 UTC) Moonrise 4:25PMMoonset 5:58AM Illumination 98% Phase: Waxing Gibbous; 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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7 Day Forecast for Marine Location Near Hamilton, OH
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location: 39.4, -84.57     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 101500 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 1000 AM EST Tue Dec 10 2019

SYNOPSIS. A wave of low pressure will move northeast along a frontal boundary in Kentucky to produce a chance of light precipitation in northeast Kentucky Tuesday . otherwise, mostly cloudy skies will prevail through the day as high pressure builds in. Temperatures will continue to fall into the 20s by late in the day. Cold, dry high pressure will dominate the weather through mid week until another low pressure system increases precipitation chances Friday into the weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Not too many changes made to the ongoing fcst this morning as some very light pcpn continues to skirt the extreme SE ILN FA as moisture streams north on the backside of the eastward-advancing frontal boundary. Expect that as the front continues to progress east that the pcpn shield, too, should gradually depart the local area by the afternoon -- leaving most /if not all/ of the wintry pcpn just to the south/east of the FA. Any snowfall in northeastern KY and extreme south-central Ohio should be light enough with rather marginal temps near the surface as to not allow for any notable accumulation except perhaps a dusting on elevated surfaces.

Temperatures continues to drop following the frontal passage but should plateau somewhat in the west during the typical peak of the diurnal temp trace. Nevertheless, temps will only top out a degree or two above current values /at best/ with temps continuing to fall in the east where the warmer air currently resides. Temps by mid-afternoon will range from the upper 20s in the west to the mid 30s in the east.

Did add a chance of flurries to the west-central Ohio fcst through early afternoon but with a gradual drying trend in the DGZ evolving by mid-afternoon, any flurry chance should be shunted east/north of the local area for the second half of the day.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM WEDNESDAY/. Wave heads east, and surface high pressure builds into the Ohio Valley from the lower Tennessee Valley. This will lead to decreasing clouds and below normal temperatures for Tuesday night into Wednesday. Stayed close to the blend for this period.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. Surface high pressure will be shifting slowly east across the upper Ohio Valley Wednesday night into Thursday. This should lead to an increase in mainly higher level clouds from the west but think we should remain clear enough Thursday night to allow for temperatures to drop into the upper teens to around 20 degrees. Temperatures will be seasonable on Thursday with highs generally in the upper 30s to lower 40s.

Mid level short wave energy moving across the southern states will help a developing low pressure system over the Gulf Coast lift northeast along the East Coast Friday into Saturday. Moisture initially associated with this will mainly remain to our southeast so will just allow for some lower end pops into southeast portions of our fa through Friday afternoon. A secondary mid level short wave will move quickly east out of the Central Plains and across the Ohio Valley Friday night into Saturday. As it does, an associated surface low moving out of the mid Mississippi Valley will begin to merge with the larger low pressure system over the East Coast. This should lead to an increasing chance of pcpn across our area Friday night into Saturday, before tapering off from the west through Saturday night. At this point, thermal profiles mainly suggest rain, although suppose we could see some snow mixing in across the north Friday night and possibly again Saturday night before the pcpn tapers off. Highs will be in the 40s for both Friday and Saturday.

It looks like we should be mainly dry on Sunday before the next system approaches from the west Sunday night into Monday. There are some timing and placement issues with this system but it does look like the rain/snow line could line up somewhere across central or southern portions of our area and will generally have mainly snow in the north and more of a rain/snow mix across our south.

AVIATION /15Z TUESDAY THROUGH SATURDAY/. Temperatures have fallen to near the freezing mark as far south and east as CVG through ILN and CMH as of 12Z. Winds continue to occasionally gust 15-20 knots, and still expecting this to continue through around 17Z.

MVFR cigs have started to become patchy, as apparent on METSAT imagery and in surface obs. Based on this, expecting gradual improvement to VFR from late morning through early afternoon starting near CVG and progressing toward the north and east to the rest of the terminals.

VFR conditions expected tonight into Wednesday morning under cold high pressure. Winds will remain generally out of the west, though will be lighter than today.

OUTLOOK . MVFR ceilings and visibilities possible Friday and Saturday.

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

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


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Butler County Regional Airport, OH4 mi71 minW 13 G 1910.00 miOvercast28°F18°F66%1022 hPa
Hook Field Municipal Airport, OH13 mi69 minW 13 G 2010.00 miOvercast27°F19°F72%1021.7 hPa
Cincinnati, Cincinnati Municipal Airport Lunken Field, OH22 mi71 minW 16 G 2010.00 miMostly Cloudy31°F19°F64%1021.8 hPa
Dayton, Dayton-Wright Brothers Airport, OH23 mi71 minW 12 G 1910.00 miOvercast28°F18°F66%1020.1 hPa

Link to 5 minute data for KHAO

Wind History from HAO (wind in knots)
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SW7S543CalmCalm3S6S544--34S3Calm446S7
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2 days agoNE4E5E6E54E4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE3CalmE3E4

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 (11,2,3,4)
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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.