Area Forecast Discussion
Issued by NWS Cleveland, OH

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FXUS61 KCLE 262341
AFDCLE

Area Forecast Discussion
National Weather Service Cleveland OH
741 PM EDT Fri May 26 2017

.SYNOPSIS...
Low pressure over the Southern plains will will track across the
upper Ohio Valley late tonight into Saturday morning. A second
system will track across the Central Lakes late Sunday dragging
another cold front across the forecast area.

&&

.NEAR TERM /UNTIL 6 AM SATURDAY MORNING/...
Surface ridge pushing quickly east across the area at this time.
A cluster of thunderstorms pushing east across Illinois and
Indiana should begin to dive southeast away from the area.
However, the lighter activity will move east into the forecast
area overnight. The best instability is along the warm front
that is making an attempt to lift northeast. Ahead of the
thunderstorms are some light sprinkles that will dot the area as
they move east across the region this evening. Temperatures will
drop off after sunset and look reasonable.

&&

.SHORT TERM /6 AM SATURDAY MORNING THROUGH MONDAY NIGHT/...
May be some lingering showers in the East tomorrow morning...but the
precip should track quickly east with the Low.   The remainder of
the day and into the evening should be dry.   But the respite from
the rain will be short lived.   Next round of showers and TSRA
expected to move into NW OH late Saturday night into Sunday morning
ahead of the next system.  By Sunday evening low pressure tracks
into central lakes with the trailing cold front moving across WRN
OH.  Expect convection to fire up ahead of the cold front Sunday
evening.   SPC has the SWRN portion of the forecast area in a
marginal risk as dew point creep into the lower 60s and cape push to
near 1500 j/kg.   This combined with an upper level short wave that
will move across the forecast area.   The low tracks NE of the
forecast area Sunday night.

&&

.LONG TERM /TUESDAY THROUGH FRIDAY/...
Upper level trough will persist over the central Great Lakes Tuesday
through Thursday with lots of uncertainty when pieces of energy
moving through the flow will impact the region. There is a mention
of rain in most days of the long term in the grids. it seems that
the better chances will be across the eastern half of the region.
Cloud cover and any showers will help to keep the region cooler.
Most locations will be slightly below seasonal averages.

&&

.AVIATION /00Z Saturday THROUGH Wednesday/...
Conditions MVFR at KERI but VFR elsewhere across northern Ohio
this evening. Would expect pockets of MVFR cigs elsewhere however
with ample low level moisture in place. Through the evening
expect convective complex to our west over IL and IN to move
east into the area. Main concern would be if stronger storms
would reach into the area. At this time anticipate stronger
convection to begin an ese drift which would take it south of
KFDY and KMFD with showers and weaker embedded thunderstorms
overspreading the area through the night. Will bring this into
KTOL and KFDY 3-5Z reaching KCLE 06-09z.Will bring thunder into
KTOL and KFDY and VCTS into KMFD. Showers elsewhere. Conditions
should drop to MVFR with the showers dropping at times to IFR in
lower CIGS and FOG around dawn. Conditions will lift to VFR
after about 18z Saturday.

OUTLOOK...Areas of non-VFR likely at times over the weekend.

&&

.MARINE...
Winds will remain 10 knots or less into Sunday as a couple pieces of
low pressure move near Lake Erie. The low tonight will remain south
of the lake but the stronger storm system on Sunday will move across
Michigan into Ontario. We then have an upper level trough that will
linger over the central Great Lakes for an extended period of time.
Winds will become westerly in the wake of a cold front Sunday
evening and remain that way into at least Tuesday. The longer fetch
with 15 to 20 knot winds will likely build waves enough for the
eastern third of the lake to produce small craft conditions Monday
into Tuesday.

&&

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

&&

$$
SYNOPSIS...DJB
NEAR TERM...Lombardy
SHORT TERM...DJB
LONG TERM...Mullen
AVIATION...TK
MARINE...Oudeman



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