ILN issues Area Forecast Discussion (AFD) at Aug 10, 2:08 AM EDT
375
FXUS61 KILN 100608
AFDILN
AREA FORECAST DISCUSSION
National Weather Service Wilmington OH
208 AM EDT Sat Aug 10 2024
.SYNOPSIS...
High pressure returns for the weekend into early next week
providing cooler and drier conditions.
&&
.NEAR TERM /THROUGH TONIGHT/...
High pressure continues to build in from the west tonight. Mostly
clear conditions and light westerly winds prevail. Dry air allows
lows to drop into the 50s areawide.
&&
.SHORT TERM /SUNDAY THROUGH 6 AM SUNDAY/...
Below normal temperatures remain the key theme for this period
as high pressure is dominant over much of the Midwest and Ohio
Valley. Light northwesterly winds will continue with fair
weather cumulus again in the afternoon, especially north of
I-70. There will be a few patches of cirrus as well throughout
the day. Temperatures are coolest across the northwest where
some locations are expected to remain in the lower 70s. There
will still be some locations in the lower 80s, stretching from
the Scioto and Ohio River Valleys.
Temperatures a slightly cooler than the previous night as the
high pressure becomes more centered over the Ohio Valley,
reducing winds by a few more mph. The entire area is once again
in the 50s, but can't rule out a couple cooler spots reaching
the upper 40s.
&&
.LONG TERM /SUNDAY THROUGH FRIDAY/...
Low amplitude long wave pattern will remain in place across
much of the country through the period. As a closed low over
southeast Canada into the Great Lakes pivots eastwards early in
the week, the long wave will shift slightly eastward putting the
forecast area in broad west northwest flow. Some short wave
energy will track along this path, most notably on Monday and
Thursday.
Surface high pressure will be persistent into mid week. There
has been some discrepancy on the strength of Monday's short wave
and whether that will be sufficient to generate enough mid
level activity to overcome dry low levels. Enough of a
possibility that it warrants a slight chance of measurable
precipitation Monday afternoon and evening.
As is often the case, uncertainty increases further out in time
with the Thursday system, but current indications are that the
chance of precipitation might be even a bit higher, especially
across southern counties.
Below normal temperatures to start the period will warm to near
average from midweek onwards.
&&
.AVIATION /06Z SATURDAY THROUGH WEDNESDAY/...
VFR conditions are expected for the TAF forecast period. Surface
high pressure will continue to nose into the area. Diurnal VFR
cumulus is forecast on Saturday afternoon along with some
scattered high level clouds.
Northwesterly winds around 5 knots early this morning will back
westerly and increase to 10-15 knots today. Wind gusts up to 20
kts will be possible this afternoon.
OUTLOOK...No significant weather expected.
&&
.ILN WATCHES/WARNINGS/ADVISORIES...
OH...None.
KY...None.
IN...None.
&&
$$
SYNOPSIS...AR
NEAR TERM...Campbell
SHORT TERM...McGinnis
LONG TERM...
AVIATION...AR
Source: ILN issues Area Forecast Discussion (AFD) at Aug 10, 2:08 AM EDT (https://mesonet.agron.iastate.edu/p.php?pid=202408100608-KILN-FXUS61-AFDILN)
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