Area Forecast Discussion
Issued by NWS Wilmington, OH

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000
FXUS61 KILN 241908
AFDILN

Area Forecast Discussion
National Weather Service Wilmington OH
308 PM EDT Sun Sep 24 2017

.SYNOPSIS...
An upper level ridge will remain over the region through mid
week. This will bring dry and warm weather conditions to the
region. Much cooler air will settle into the region by the end
of the week.

&&

.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...
H5 ridge will remain over the Appalachians tonight. Weak sly
flow on the backside of the feature will allow some scattered
high level clouds to drift into the region. Despite these
clouds, still expect skies to be mostly clear tonight.

For the overnight low, they should drop to the lower 60s in
general. A couple of outlying locations could reach the upper
50s.

&&

.SHORT TERM /6 AM MONDAY MORNING THROUGH 6 PM MONDAY/...

On Monday H5 ridge weakens from the south, due to the presence
of Hurricane Maria. This should allow for additional cirrus
clouds to affect the region. There still should be enough solar
insolation to push highs to around 90 again. The ridge, although
weaker, will hold again Monday night. Lows will be a little
warmer, ranging from 60 to 65.

&&

.LONG TERM /MONDAY NIGHT THROUGH SATURDAY/...
Warm and above normal temperatures will continue for Tuesday
and Wednesday with high temperatures in the 80s to around 90. A
cold front will work into the region on Wednesday. Moisture is
very limited with this system and therefore limited any
precipitation to a slight chance generally northwest of
Interstate 71. There is some limited instability therefore have
a thunder mention in as well. Any isolated precipitation will
taper off by the evening hours.

This front will usher in cooler air with highs in the 70s on
Thursday. There are model differences with how strong the
trough is on Friday. Most model solutions keep the area dry or
limit precipitation to northern portions of the region. Went
with a slight chance of showers generally along and north of
Interstate 70. This will usher in another shot of cooler air
with highs on Friday around 70 and highs Saturday and Sunday
generally in the 60s. Some lingering showers will be possible on
Saturday and therefore went with a slight chance across most of
the region.

&&

.AVIATION /19Z SUNDAY THROUGH FRIDAY/...
Surface high pressure will remain over the tafs through the
period. H3 moisture increases a little after 00Z this evening,
which might bring in some addition cirrus, but kept them
scattered through the end of the period.

River valley fog has been gradually decreasing in coverage the
past few days, and expect the trend to continue tonight.
However, still took KLUK down to one mile in fog, just before
sunrise.

OUTLOOK...No significant weather expected.

&&

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

&&

$$
SYNOPSIS...Haines/Sites
NEAR TERM...Sites
SHORT TERM...Sites
LONG TERM...
AVIATION...Sites



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