Monday, December9, 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 7:44AMSunset 5:16PM Monday December 9, 2019 8:42 PM EST (01:42 UTC) Moonrise 3:52PMMoonset 4:56AM 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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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 092349 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 649 PM EST Mon Dec 9 2019

SYNOPSIS. A cold front will move through the region tonight, shunting much of the precipitation eastward. Much colder air will move in behind the front late tonight into Tuesday. Mid week will be cold and dry before temperatures rebound.

NEAR TERM /UNTIL 6 AM TUESDAY MORNING/. Bands of rain continue to lift northeast across the region this afternoon. The holes in the pcpn shield have not filled in as much as previously thought, but most locations have seen some sort of rain today.

Radar is showing that the backedge of the pcpn has pushed through much of Mercer County, and might work a little farther east late this afternoon. Cold front is still to the west and don't expect it to come through until 03-06Z. So kept some chance PoPs in the far nw to cover any redevelopment that might occur with fropa. Elsewhere, expect the on and off rain to continue until the front pushes through. The exception is the southeast counties, where rain chances linger through the night as the moisture transport hangs up. Precipitation type looks like it will be all rain tonight, as the colder air delays until after the pcpn moves through.

Temperatures will remain in the 50s for the first half of the night, then the temperatures will start to tumble with fropa. Lows are forecast to range from the upper 20s in the west to around 40 in the far southeast.

SHORT TERM /6 AM TUESDAY MORNING THROUGH TUESDAY NIGHT/. As mentioned in the near term discussion, pcpn lingers in the far southeast as southwest flow aloft brings a stream of upper support across eastern Kentucky into West Virginia. During the morning hours, the cold air catches up with the lingering pcpn, changing it over to a mix, then all snow before it ends. Any snowfall should be less than an inch. Elsewhere clouds will linger most of the day. Temperatures will hold near steady in the west and will fall in the east during the day.

Surface high pressure will building in from the west Tuesday night. Area should see decreasing clouds. Temperatures will bottom out between 20 and 25 degrees.

LONG TERM /WEDNESDAY THROUGH MONDAY/. Pattern through the end of the week seems fairly consistent. The weekend weather into next week is also consistent but that's not a confidence booster since the increased range in forecast values and large scale phase differences of the patterns is what was consistently in high question.

Wednesday starts as the general cold point of the entire forecast. Highs will reach the lower to mid 30s, which may be a slight increase from daytime readings that will be found in the northwest on Tuesday. Overnight lows in the teens to lower 20s will occur given the proximity of a surface high and entrenched cold air at the surface leading to light winds. Return southerly flow will bump readings slightly during the day on Thursday as the high slides east - generally looking for middle to upper 30s across the region.

The warm advection will be more noted with temperatures not falling as much overnight and hitting the balmy middle to upper 20s. Some lower 20s in central Ohio may persist due winds not having had much time to scour out the lingering cold air. Friday and Saturday will see the warmer air with highs in the middle 40s and lows in the low to mid 30s which are still slightly above normal for this time of year.

The model differences begin on Friday as they come to terms with a system ejecting northeast along the eastern seaboard. Rain on Friday into the overnight period may not make it as far northwest as the models are showing, but the threat of rain on the return northwest flow will be increased on Saturday into Sunday, ending sometime Sunday. Another disturbance is being shown to cross east and increase the threat of rain on Monday. Confidence in the forecast decreases from the initial northwest extent of rain on Friday and then the subsequent pattern beyond. Temperatures were kept close to guidance which seemed to be influenced heavily by climo.

AVIATION /23Z MONDAY THROUGH SATURDAY/. Bands of light rain will continue across the terminals for the early part of the TAF period which may still occasionally reduce conditions to IFR. A cold front will then move across the region bringing light rain to an end. Ceilings will be MVFR and winds will shift to west remaining 10 to 15 kt through the period. Appears that ceilings will lift above 2000 ft before 12Z but then not dissipate area wide until closer to 18Z.

OUTLOOK . MVFR ceilings and visibilities possible Friday and Saturday.

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

SYNOPSIS . Sites NEAR TERM . Sites SHORT TERM . Sites LONG TERM . Franks AVIATION .


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Butler County Regional Airport, OH4 mi50 minWSW 11 G 1710.00 miOvercast58°F55°F90%1003.7 hPa
Hook Field Municipal Airport, OH13 mi68 minSSW 910.00 miOvercast56°F54°F94%1003.4 hPa
Cincinnati, Cincinnati Municipal Airport Lunken Field, OH22 mi50 minSW 910.00 miOvercast59°F55°F87%1004 hPa
Dayton, Dayton-Wright Brothers Airport, OH23 mi50 minSW 1310.00 miOvercast58°F54°F87%1002.6 hPa

Link to 5 minute data for KHAO

Wind History from HAO (wind in knots)
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Last 24hr3S6S544--34S3Calm446S7
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE3CalmE3E4CalmSW9
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2 days agoN3CalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4E5E6E54E4CalmCalmCalm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of Midwest    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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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.