Area Forecast Discussion
Issued by NWS Cleveland, OH

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086
FXUS61 KCLE 220140
AFDCLE

Area Forecast Discussion
National Weather Service Cleveland OH
940 PM EDT Thu Sep 21 2017

.SYNOPSIS...
High pressure will remain anchored over the area through the
beginning of next week.

&&

.NEAR TERM /THROUGH FRIDAY/...
No changes to the forecast with the latest ZFP issuance.

Original discussion...
The cumulus clouds and extremely isolated, brief showers that
have developed this afternoon will dissipate by sunset. Some
patchy fog will develop tonight, mainly away from the lake.

Very warm temperatures are expected again Friday afternoon with
a few locations reaching the lower 90s. Temperatures will be a
little cooler near the lakeshore as a lake breeze sets up during
the afternoon. Chances for patchy fog lessen Friday night, but
still could see some develop in low-lying areas.

&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/...
High pressure at the surface and aloft are expected to dominate
the region through the short term. Unseasonably warm
temperatures are expected Saturday through Monday. Cooler near
the lakeshore each afternoon as a lake breeze develops.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
The long term begins Monday night with models showing the dominant
ridge of high pressure over the eastern lakes and New England still
in place although beginning to weaken just a bit. To our west
an upper trough was digging into the northern and central
plains. The ridge will hang on for another day but Wednesday
night and Thursday, models disagree a bit, the trough will move
across the Great Lakes driving a canadian cold front through the
region. Would expect showers/thunderstorms with the system.
Brought in lake effect showers for Thursday night into Friday.
Noticeably colder air setting up for the weekend.

&&

.AVIATION /00Z Friday THROUGH Tuesday/...
High pressure will provide mainly clear skies through the
period. Some MVFR fog possible around the 09-13Z timeframe,
otherwise VFR conditions expected. Winds will be light and
variable, aside from another lake breeze affecting KCLE and
KERI Friday afternoon.

OUTLOOK...Non-VFR possible in fog Saturday and maybe Sunday
mornings.

&&

.MARINE...
High pressure will continue to control the region through Monday.
Winds will be light. However, onshore winds may increase to
around 10 knots each afternoon as the lake breeze circulation
sets up.

&&

.CLE WATCHES/WARNINGS/ADVISORIES...
OH...None.
PA...None.
MARINE...None.

&&

$$
SYNOPSIS...Mottice
NEAR TERM...Greenawalt/Mottice
SHORT TERM...Mullen
LONG TERM...TK
AVIATION...Greenawalt
MARINE...Mullen



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