Marine Weather and Tides
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 6:28AM||Sunset 8:48PM||Thursday July 29, 2021 5:14 AM EDT (09:14 UTC)||Moonrise 11:13PM||Moonset 11:16AM||Illumination 75%|
7 Day Forecast for Marine Location Near Highland Holiday, OHHourly EDIT Help
Area Discussion for - Wilmington, OH  (on/off)  Help NOTE: mouseover dotted underlined text for definition
FXUS61 KILN 290833 AFDILN
AREA FORECAST DISCUSSION National Weather Service Wilmington OH 433 AM EDT Thu Jul 29 2021
SYNOPSIS. Showers and thunderstorms will weaken as they move into the area this morning. But additional storms will develop this afternoon ahead of a cold front. Once the front moves through tonight, temperatures will become slightly below normal and remain that way into next week.
NEAR TERM /UNTIL 6 PM THIS EVENING/. MCS diving across the western Great Lakes will continue to be more robust on the western edge of where instability is greater. Weaker eastern portion will move into northern counties early this morning and will likely dissipate as the entire complex weakens.
Quite a bit of uncertainty with additional convective develop will evolve later today. Even though there could be substantial left over cloud cover, that should decrease some by this afternoon. That would allow further destabilization, although greater instability will be just to the west of the area. What seems more probable is that storms will develop along the remnant boundary from the morning activity. This will then push south through the rest of the day with greater coverage in western counties where instability will be higher. There is plenty of shear which will allow storms to become strong to possibly severe. Damaging winds are the primary threat.
There is also the potential for some showers and thunderstorms to develop along a pre-frontal trough late in the day. This chance would be in areas that are less affected by new development on the old outflow boundary.
Effects from decaying complex will keep temperatures in the northern counties in the mid to upper 80s. But near and south of the Ohio River readings will reach the lower 90s with heat indices in the upper 90s.
SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/. Storms will probably still be ongoing at the beginning of the period but then clear the area in the evening. Severe threat will continue until that happens. Cannot rule out some additional showers dropping into central Ohio as a cold front moves through later in the night. The front will move through the entire area by daybreak Friday. High pressure will then start to build in on Friday with conditions being not quite as warm and not as humid.
LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/. Area will be under a northwest flow aloft to start the long term, with a broad trough present over the Eastern CONUS. Weak surface high pressure forming beneath the confluent upper flow should provide mainly dry conditions Friday night and Saturday, though a weak disturbance may trigger a few showers in southwest counties. A limited threat for showers and thunderstorms spreads across the entire FA Sunday as a batch of short wave energy rounding the base of the sharpening upper trough enhances lift. A lack of weather producing features and moisture points to mainly dry weather for Monday through Wednesday, with precip chances confined to isolated showers and thunderstorms Wednesday due to disturbances associated with the persistent upper trough.
Lower than average geopotential heights signal below normal temperatures through the period. Expect highs within a few degrees of 80 Saturday through Tuesday, rising to the low and mid 80s Wednesday.
AVIATION /08Z THURSDAY THROUGH MONDAY/. VFR conditions will continue through the early part of the TAF period. A decay complex of showers and thunderstorms will push into the region after 12Z. There is the potential for this to affect areas from KDAY to KCMH/KLCK but enough uncertainty whether it will hold together that long to only include VCSH at this point. Expect convection to redevelop across the area this afternoon. This may occur just past KCMH/KLCK, but other terminals will likely have convection. Tempo group for thunderstorms is broader then what will probably happen but does represent timing uncertainty. Storms will bring lower conditions and possibly gusty winds. A front will pass across the TAF site late in the period with MVFR ceilings likely developing after this passes.
OUTLOOK. MVFR ceilings likely late Thursday night into Friday morning.
ILN WATCHES/WARNINGS/ADVISORIES. OH . None. KY . None. IN . None.
SYNOPSIS . NEAR TERM . SHORT TERM . LONG TERM . Coniglio AVIATION .
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|Wilmington, Airborne Airpark Airport, OH||24 mi||20 min||WSW 4||7.00 mi||Fair||70°F||68°F||93%||1015.5 hPa|
Link to 5 minute data for KILN
Wind History from ILN (wind in knots)
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|2 days ago||NE||Calm||Calm||N||N||NE||N||NE||NE||N||NE||NE||NE||NE||NE||NE||NE||NE||Calm||Calm||Calm||Calm||Calm|
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