CLE issues Area Forecast Discussion (AFD) at May 8, 3:06 AM EDT923
FXUS61 KCLE 080706
AFDCLE
Area Forecast Discussion
National Weather Service Cleveland OH
306 AM EDT Thu May 8 2025
.SYNOPSIS...
A cold front will drop across the southern Great Lakes and Upper
Ohio Valley region this morning followed by strong Canadian
high pressure building across the Great Lakes this afternoon
through the weekend.
&&
.NEAR TERM /THROUGH FRIDAY/...
The weather will be relatively quiet over the next couple of
days and cool. A cold front is pushing southward across the
region this morning. There will be a chance for a few widely
scattered showers post frontal this morning through about
midday. Otherwise, skies will be mostly cloudy today with
clearing from north to south late this afternoon into the
evening. High pressure from southern Ontario and Quebec will
build southward across the area today and tonight. High
temperatures will cool today in the middle 50s to the lower 60s.
Clear skies and lighter winds will allow for temperatures to
drop into the upper 30s inland and lower 40s closer to the
lakeshore. We will have to watch for some patchy frost possible
overnight, especially for the usual colder spots of NEOH and
NWPA. High pressure will still be in control of the weather on
Friday with sunny skies. High temperatures on Friday will be in
the upper 50s to lower 60s.
&&
.SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY NIGHT/...
Dry weather is favored for the weekend. An upper low will take shape
over the northeastern CONUS Friday night into Saturday before
exiting to the east on Saturday. An upper ridge will attempt to
build into the region throughout the period, however a cutoff low
over the lower Mississippi Valley will slow the progress of the
ridge through Sunday. An upper trough and weak surface cold front
will cross the CWA Saturday night, but generally expect a dry
frontal passage given limited moisture ahead of the front. A few
deterministic guidance members including the GFS and NAM indicate
weakening showers moving southeast towards the area Saturday night,
but maintained a dry forecast since it appears that precip will
diminish before reaching the local area.
Chilly overnight lows are still expected Friday night with
widespread upper 30s to lower 40s expected areawide. A few spots in
the higher terrain of inland NE OH/NW PA may make a run for mid-30s
for a few hours Friday night into early Saturday. Radiational
cooling should be pretty efficient given clear skies, but winds may
remain a touch elevated which would prevent the development of
widespread frost. Either way, patchy to areas of frost are in the
forecast late Friday into early Saturday. Temps will slowly rebound
throughout the period with 60s and 70s anticipated Saturday and
widespread 70s expected across the area for Sunday. The only
exception for 70s on Sunday will locations near and just inland from
Lake Erie where temps may remain in the upper 60s due to onshore
flow Sunday afternoon.
&&
.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
The aforementioned cutoff low over the Mississippi Valley will lift
north into the Ohio Valley early next week and possibly weaken as it
drifts east by mid-week. The low will usher moisture into the region
for the long term period with rain chances returning Monday night
and continuing through the remainder of the long term period. PoPs
(and thunderstorm chances) are highest during peak diurnal
heating/instability Tuesday afternoon and Wednesday afternoon. High
temps will most likely be in the 70s throughout the period with
above normal lows expected each night.
&&
.AVIATION /06Z Thursday THROUGH Monday/...
The main message for aviation weather will be VFR to MVFR
ceilings today into tonight. FDY will see a few hours of IFR
BKN008 this morning through 10z. FDY, CLE, CAK, YNG, and ERI
will see MVFR ceilings later this morning through midday. All
TAF sites will become VFR by this afternoon into tonight. Winds
will be from the north or northeast 8 to 14 knots with a few
gusts up to 20 knots possible this afternoon.
Outlook...VFR is expected through Monday.
&&
.MARINE...
Northeast winds 10 to 20 knots are anticipated this morning and
expect similar flow through early Friday afternoon. Waves of 2 to 4
feet are likely in the nearshore waters and waves may build to a
touch above 4 feet from roughly The Islands to Wickliffe through
this afternoon. Opted against a Small Craft Advisory given the
marginal conditions, but may need to hoist a brief headline if
observed/forecast winds and/or waves trend higher. Winds will become
variable and diminish to 10 knots or less by Friday evening before
flow becomes southwesterly on Saturday. The passage of a cold front
will allow winds to shift to the north/northeast and increase to
about 15 knots in the western basin Saturday night with northeast
winds to 10 to 15 knots continuing through Sunday. By Monday, winds
will become more easterly/southeasterly.
&&
.CLE WATCHES/WARNINGS/ADVISORIES...
OH...None.
PA...None.
MARINE...None.
&&
$$
SYNOPSIS...77
NEAR TERM...77
SHORT TERM...15
LONG TERM...15
AVIATION...77
MARINE...15
Source:
CLE issues Area Forecast Discussion (AFD) at May 8, 3:06 AM EDT---------------
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