Area Forecast Discussion
Issued by NWS Tulsa, OK

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151
FXUS64 KTSA 212315
AFDTSA

Area Forecast Discussion
National Weather Service Tulsa OK
615 PM CDT Sat Apr 21 2018

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
Latest radar imagery shows much of the heavier rain has moved into
far eastern Oklahoma and western Arkansas. Upper trough axis is
still across western Oklahoma, however, so no improvement is
expected in ceilings through the overnight hours and ceilings will
lower at locations where they have not yet. Areas of drizzle are
possible overnight, reducing visibility. MVFR or IFR ceilings are
expected through the day on Sunday even after precipitation ends.

&&

.PREV DISCUSSION... /Issued 258 PM CDT Sat Apr 21 2018/

DISCUSSION...

Upper level low currently spinning across western Oklahoma
continues to spread widespread rain showers and isolated
thunderstorms across eastern Oklahoma early this Afternoon.
The showers and isolated thunderstorms will move into western
Arkansas late this afternoon. This activity will come to an
end on Sunday as the upper level low moves to the east of the
area. Additional Rainfall amounts of around one-quarter to
one inch are likely with locally higher amounts possible.

The next chance of showers and thunderstorms will come Tuesday
night into Wednesday as an upper level shortwave sweeps out of
the Rockies and across the Plains. Another round of showers and
thunderstorms will be possible Thursday night into Friday as another
upper level shortwave plows through the area.

Temperatures are expected to remain near or slightly below seasonal
normals for this time of year. However, there will be a warm up towards
the end of the week.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   48  61  49  69 /  80  50  10  10
FSM   53  64  53  69 /  90  60  20  10
MLC   48  61  51  68 /  60  20  10  10
BVO   48  61  48  69 /  80  50  10  10
FYV   51  60  51  63 / 100  80  30  10
BYV   51  59  50  61 / 100  90  40  10
MKO   49  60  50  68 /  80  60  10  10
MIO   50  61  50  65 /  80  70  30  10
F10   47  60  50  68 /  60  30  10  10
HHW   50  64  53  69 /  80  20   0   0

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...None.
AR...None.
&&

$$

SHORT TERM...18
AVIATION.....06

CORFIDI



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