Area Forecast Discussion
Issued by NWS Cleveland, OH

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FXUS61 KCLE 210134

Area Forecast Discussion
National Weather Service Cleveland OH
934 PM EDT Wed Sep 20 2017

High pressure builds in across the region tonight. This area of
high pressure will remain anchored over the area into the
beginning of next week.


Update...Isolated showers now gone and do not expect more so
will remove mention for the overnight. Most clouds also gone
except in the YNG area so will keep late evg clouds there. No
other major changes.

Original...Isolated showers will continue to be possible
through early this evening across northeast Ohio under the
influence of a weak upper-level short-wave trough. As this
trough moves off to the east tonight, dry weather is expected
for everyone through Thursday night. While a stray shower cannot
be completely ruled out across far eastern Ohio into northwest
Pennsylvania Thursday afternoon, the odds are too small to
include in the forecast.

Areas of fog will develop tonight and it may be dense in spots
with visibilities dropping to below 1/4 mile at times. Best
chances will be inland and across locations that have recently
seen rain, such as the Toledo area.

Temperatures will warm to well above normal again Thursday
afternoon with highs in the middle and upper 80s. Considering
how dry it has been over the past month, would not be too
surprising to see someone touch 90 degrees.

Fog may develop again Thursday night across much of the same


High pressure at the surface and aloft are expected to dominate the
region through the short term. Unseasonably warm temperatures are
expected Friday through Sunday. Cooler near the lakeshore each
afternoon as a lake breeze develops.


A highly amplified upper level pattern across the CONUS will
leave the eastern CONUS under a strong ridge Sunday night
through Tuesday night. This will provide dry conditions and
above normal temperatures to the local area. Highs in the low to
mid 80s are expected Monday and Tuesday, with slightly cooler
temps on Tuesday. A cold front will push east into the area by
Wednesday night, which could provide some showers and
thunderstorms to the area beginning Wednesday afternoon through
Wednesday night. Temps will be slightly cooler on Wednesday just
ahead of the cold front, with highs in the upper 70s to low


.AVIATION /00Z Thursday THROUGH Monday/...
Upper ridge will continue to build into the area overnight as
moisture from the dissipating upper trough over the east drifts
southeast. Could see an isolated shower for another hour of two
but otherwise will have a dry forecast through the period. Main
problem will be scattered areas of fog overnight where
conditions could drop to MVFR/IFR around sunrise. Any fog should
lift 13-14Z to VFR again through the balance of the day

OUTLOOK...Non-VFR possible in fog Friday through Saturday


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




NEAR TERM...TK/Mottice
LONG TERM...Greenawalt
MARINE...Mullen is the U.S. government's official web portal to all federal, state and local government web resources and services.