Cynthiana, OH Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Cynthiana, OH

April 21, 2024 4:19 AM EDT (08:19 UTC) Change Location
Sunrise 6:43 AM   Sunset 8:17 PM
Moonrise 5:19 PM   Moonset 4:46 AM 
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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.

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7 Day Forecast for Marine Location Near Cynthiana, OH
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Area Discussion for - Wilmington, OH
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FXUS61 KILN 210712 AFDILN

AREA FORECAST DISCUSSION National Weather Service Wilmington OH 312 AM EDT Sun Apr 21 2024

SYNOPSIS
High pressure will lead to dry but cool conditions through the weekend. Temperatures will moderate somewhat by Monday before a chance of showers returns for Tuesday into Tuesday night.

NEAR TERM /UNTIL 6 PM THIS EVENING/
Through sunrise, considerable stratocumulus clouds were advecting southeast into the region. This sizable area of cloud cover has reached some of the northern counties that were previously in a Frost Advisory until 8 AM (They have been removed/cancelled). For counties remain in a Frost Advisory until 8 AM (Franklin, Licking, Fairfield, and Hocking).
However, with the lower clouds approaching from the northwest, and mid clouds advecting/thickening from the southwest, these may have to be dropped before its expiration time. Will continue to monitor.

Otherwise, for today, surface ridging will remain across the Ohio Valley. A mid level s/wv in the northwest flow aloft, along with moisture/cool air located at 850 mb, will result in stratocumulus/cumulus coverage. Some additional mid and high clouds will be found across southern locations this morning ahead of the s/wv. Thus, it will be cool today as temperatures are held down. Highs will range from the lower to mid 50s.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/
For tonight, s/wv moves off to the southeast. 850 mb moisture /cold pool will pivot southeast as well. With diurnal cooling and subsidence in the wake of the s/wv, skies will clear this evening. And with clear skies overnight and winds become light to locally calm, the stage will be set for a pretty good chance for frost formation. Most locations will drop into the 33 to 36 degree range. However, some of the normal cold spots could reach 32 or slightly lower. A Frost Advisory has been issued for the entire area, in effect from 1 AM to 9 AM.

On Monday, other than some FEW-SCT diurnal cumulus from late morning into the afternoon, skies will be mostly sunny. The ridge axis will begin to shift east, allowing temperatures to moderate. Highs will range from the lower to perhaps mid 60s.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/
High pressure shifts southeast of the region on Monday night and a surface low and upper level trough approaches from the northwest. Increasing southwesterly flow and thickening cirrus keep lows in the middle 40s areawide overnight. A cold front attached to the disturbance will continue diving into the Ohio Valley on Tuesday before pushing through the area Tuesday night.
Rain chances increase through the day ahead of the front before ending late Tuesday night after FROPA. Thunder chances remain low since instability is limited to non-existent. QPF should also remain on the lower side since PWATs are not forecast to get overly high.

High pressure builds in from the northwest Wednesday through Thursday bringing below average temperatures and dry weather.
Surface high pressure shifts east on Friday which will allow southerly flow to redevelop over the Ohio Valley. Rain chances return on the southerly flow through the end of the week. Warmer conditions return thanks to persistent southerly flow.

AVIATION /07Z SUNDAY THROUGH THURSDAY/
A surface high pressure ridge will remain across the Ohio Valley through the TAF period. Despite the high, a mid level disturbance will bring an increase in VFR stratocumulus/cumulus as well as a period of mid and high level clouds. Winds will be from the northwest around 5 knots, increasing between 10 and 15 knots around 15Z with local gusts up to 20 knots.

For tonight, once the mid level disturbance passes by to the southeast and diurnal cooling begins, clouds will decrease with mainly clear skies expected overnight. Winds will decrease and become light west/northwest to 5 knots or less.

OUTLOOK...MVFR/IFR ceilings and MVFR visibilities possible Tuesday. Gusty winds to 30 knots possible Tuesday. MVFR ceilings may linger into Wednesday.

ILN WATCHES/WARNINGS/ADVISORIES
OH...Frost Advisory from 1 AM to 9 AM EDT Monday for OHZ026-034-035- 042>046-051>056-060>065-070>074-077>082-088.
Frost Advisory until 8 AM EDT this morning for OHZ055-056-065- 074.
KY...Frost Advisory from 1 AM to 9 AM EDT Monday for KYZ089>100.
IN...Frost Advisory from 1 AM to 9 AM EDT Monday for INZ050-058-059- 066-073>075-080.




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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KRZT ROSS COUNTY,OH 23 sm24 minWNW 0610 smClear37°F28°F70%30.13
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Wilmington, OH,



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