Area Forecast Discussion
Issued by NWS Cleveland, OH

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FXUS61 KCLE 211610
AFDCLE

Area Forecast Discussion
National Weather Service Cleveland OH
1210 PM EDT Thu Sep 21 2017

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

&&

.NEAR TERM /THROUGH TONIGHT/...
Bumped up temperatures a touch for this afternoon. Looks likely
now that Cleveland will hit 90+ degrees. Temperature has already
hit 89 degrees so far. The record for the day is 90 set in 1931.
Other locations across the area may stay just below their daily
records.

Original discussion...
High pressure over the area should keep dry conditions going
thru Fri. However, an isolated shra or tsra is not out of the
question in the west today.

Areas of morning fog this morning and again early Fri morning. Temps
will stay well above normal with highs mostly 84 to 88 and lows from
the upper 50s to mid 60s.

&&

.SHORT TERM /FRIDAY THROUGH SUNDAY NIGHT/...
A well established upper level ridge will remain over the Great
Lakes region. This feature combined with high pressure at the
surface will maintain above normal temperatures and dry conditions.
High temperatures in the 80s will continue but humidity levels will
drop off a little as dewpoints settle into the lower 60s. Lake
breezes each afternoon will keep lakeshore areas a couple degrees
cooler than inland areas.

&&

.LONG TERM /MONDAY THROUGH WEDNESDAY/...
An upper level ridge will remain overhead into next week while
the remnants of Jose dissipate off the east coast and Maria
tracks north off the eastern seaboard. Above normal temperatures
are expected to continue but some increase in cloud cover is
possible by Tuesday as the anti-cyclonic flow pulls moisture
westward. This increase appears minimal at this time so will
continue with mostly sunny to partly cloudy skies in the
forecast and monitor trends of the tropical systems. The upper
level ridge finally starts to break down by Wednesday as low
pressure tracks out of the Plains towards Hudson Bay. A chance
of showers or possibly thunderstorms may accompany the cold
front late Wednesday into Wednesday night. This cold front will
bring an abrupt end to the stretch of well above normal
temperatures that we have been experiencing over the last week
or more.

&&

.AVIATION /12Z Thursday THROUGH Monday/...
MVFR to local IFR fog will dissipate from 12z to 15z. Debris cirrus
over mainly the west half of the area should gradually dissipate the
rest of the morning. Expect sct to locally bkn cu to develop with
daytime heating then dissipate into sunset. Winds will remain light
with an afternoon lake breeze affecting ERI and CLE.

Similar conditions tonight should lead to MVFR to local IFR fog to
again develop after 07z.

OUTLOOK...Non-VFR possible in fog Friday, Saturday and maybe Sunday
morning.

&&

.MARINE...
Good marine conditions expected to continue as high pressure over
Quebec strengthens across the eastern Great Lakes. Light
southeasterly winds this morning will become onshore this afternoon
as lake breezes develop. Winds will generally be 10 knots or less
through Tuesday with land/lake breezes each day. The combination of
light winds and stable conditions will keep waves below 2 feet
through Tuesday.

&&

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

&&

$$
SYNOPSIS...Adams
NEAR TERM...Adams/Mottice
SHORT TERM...KEC
LONG TERM...KEC
AVIATION...Adams
MARINE...KEC



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