Wednesday, January19, 2022
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Marine Weather and Tides
Withamsville, OH

Version 3.4
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3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:51AMSunset 5:45PM Wednesday January 19, 2022 2:21 AM EST (07:21 UTC) Moonrise 7:25PMMoonset 9:17AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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 Withamsville, OH
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location: 39.08, -84.27     debug


Area Discussion for - Wilmington, OH
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FXUS61 KILN 190634 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 134 AM EST Wed Jan 19 2022

SYNOPSIS. Warm air will continue to overspread the region tonight and early Wednesday ahead of a cold front. This cold front will cross southeast through the region during the day Wednesday. Rain will mix with and change to snow prior to ending Wednesday night. Some accumulation is likely along and south of the Ohio River. High pressure will build into the Upper Midwest on Thursday and slowly translate to near Ottawa on Friday, keeping a cool northerly flow over the Ohio Valley.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Westerly mid level flow with tail of southerly 8H jet of 50 KTS pivoting thru the area overnight.

Strong southwest flow will prevail over the region tonight, with thickening clouds. This will work to keep temperatures from falling much more with nearly steady readings after midnight.

Expect lows from the mid and upper 20s far east to the lower and middle 30s west.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM THURSDAY/. Focus shifts to potential snow for Wednesday night. Mid level shortwave pivots thru the Great Lakes overnight into Wednesday with surface cold front dropping southeast across the area Wednesday afternoon. Southern shortwave tracking from the southern Plains into the Ohio Valley will enhance precipitation chances later in the afternoon into Wednesday evening. The best chance for pcpn will be along and south of the Ohio River.

As colder air advects in behind the front precipitation will mix with and then change to snow Wednesday evening. Based on the latest guidance have nudged up snow totals across the far southeast counties Wednesday night. Have highest totals across Robertson, Mason, Lewis and southern Scioto counties, with 1 to 3 inches possible. Also, the metro road model doesn't show road temperatures getting above freezing until after 10 AM Thursday morning. So the snow looks to impact travel overnight into Thursday morning. Have issued a winter weather advisory for the far south and southeast counties.

Previous discussion . A cold front will be near the northwestern bounds of the CWA at daybreak Wednesday. This front will strengthen and rapidly cross southeast through the region during the day. The increased moisture ahead of the front will result in some widely scattered light rain showers southeast of the I-71 corridor in the late morning and early afternoon. The main focus of the low level moisture convergence ahead of the cold front will occur over the far southern reaches of the CWA as prevailing rainfall begins in the afternoon along an Owenton-Maysville-Portsmouth line.

Real forecast challenge comes in when the moisture interacts with the cold air that will have undercut the region behind the cold front that passes in the early evening. Expect a rapid change from rain to snow in the evening along the I-71 corridor, rapidly shifting southeast before midnight for the remainder of the forecast area. This rapid changeover in the presence of abundant moisture will let accumulating snow of 1-3" fall along the aforementioned line, with the highest amounts running from Mt. Olivet to Camp Dix and southern Lewis County. Around an inch is expected along the I-71 corridor, south of the Cincy southern suburbs of NKY, through the Highland/Adams border and east-northeast towards the southern reaches of Ross and Hocking counties. A quarter to half inch is expected from Versailles to Cincinnati to Wilmington, Chillicothe, and Nelsonville.

After morning highs in the northwest in the upper 30s, values in the low to mid 40s will be found for the remainder of the CWA. Rapidly falling temperatures behind the front will see overnight lows drop into the teens.

LONG TERM /THURSDAY NIGHT THROUGH TUESDAY/. A return to cold weather is expected for Thursday into Thursday night as arctic high pressure builds east/southeast into the upper Mississippi River Valley and the Great Lakes. Cold northerly to northeasterly flow will only allow highs to peak in the lower to mid 20s with lows dropping into the single digits to the lower teens.

For Friday, the cold air will be in place and thus another cold day is expected. Highs again will range from the lower to mid 20s.

For Friday night, an upper level s/wv may brush the far southeast zones with a slight chance of snow. Otherwise, high pressure will eventually move east across our region. Lows will fall into the single digits to the lower teens.

The upper level pattern for this weekend will favor mid level troughing across the eastern U.S. and mid level ridging across the western U.S. and western Canada. This will keep our area in a northwest flow pattern aloft. The next weather system appears to be a weak cold front Saturday night into Sunday. System appears to be lacking moisture and dynamics at this time, so will keep the forecast dry for now. Temperatures will remain below normal with highs in the upper 20s to lower 30s.

A clipper system is then poised to move through the region sometime early next week (right now Monday night into Tuesday). With timing and strength issues at this juncture, will only allow for low chance PoPs. Temperatures will continue to be below normal (highs in the 20s to the 30s).

AVIATION /06Z WEDNESDAY THROUGH SUNDAY/. Gusty southwesterly flow will provide increasing moisture to the Ohio Valley during the late morning hours, allowing MVFR clouds to develop. A cold front will slice through the TAF sites during the afternoon, shifting gusty southwest winds to the northwest. Mid- level disturbance surges northeast into Kentucky and southern Ohio by evening. Precipitation shield will mostly occur south of the TAF sites, but there could be some light rain changing to snow up to the Cincinnati terminals. OUTLOOK . MVFR CIGs and VSBYs are possible Wednesday night.

ILN WATCHES/WARNINGS/ADVISORIES. OH . Winter Weather Advisory from 7 PM this evening to 7 AM EST Thursday for OHZ079-081-082-088. KY . Winter Weather Advisory from 7 PM this evening to 7 AM EST Thursday for KYZ094>100. IN . None.

SYNOPSIS . Franks/AR NEAR TERM . AR SHORT TERM . Franks/AR LONG TERM . Hickman AVIATION .


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cincinnati, Cincinnati Municipal Airport Lunken Field, OH8 mi28 minSW 610.00 miFair35°F31°F85%1015.4 hPa
Cincinnati/Northern Kentucky International Airport, KY21 mi29 minSSW 1010.00 miMostly Cloudy37°F30°F76%1014.1 hPa
Butler County Regional Airport, OH23 mi28 minSSW 610.00 miFair39°F30°F70%1014.7 hPa

Link to 5 minute data for KLUK

Wind History from LUK (wind in knots)
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2 days agoNE4N5NE5N6NE6NE6NE5NE8NE6NE8NE6N5N9N10N8NE9N6N8N8N6NW4NW5NW76

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