Area Forecast Discussion
Issued by NWS Tulsa, OK

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188
FXUS64 KTSA 190540
AFDTSA

Area Forecast Discussion
National Weather Service Tulsa OK
1140 PM CST Sat Feb 18 2017

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
Mostly clear skies currently prevail with patchy light fog
beginning to develop. Shallow moist layer will develop northward
overnight with the expectation of low stratus developing
especially over E OK and points westward. Stratus build down into
a fog layer is also possible but appears more probable west of the
forecast area. MVFR to IFR conditions are forecast through morning
w/ a trend toward MVFR to low VFR conditions during the afternoon.
Convection developing to our west will be spreading into E OK
terminals near the end of this forecast period.

&&

.PREV DISCUSSION... /Issued 924 PM CST Sat Feb 18 2017/

DISCUSSION...
Skies have cleared and temperatures have dropped to near the
forecast lows in many places, so will lower overnight lows a
couple degrees. Still expect some low clouds and patchy fog to
form later tonight and early Sunday morning, but the eastern
extent of the clouds/fog is in doubt. The latest experimental HRRR
keeps far eastern Oklahoma and western Arkansas relatively cloud
free through Sunday morning. The only change made at this time to
the cloud forecast is lowering sky cover the next few hours based
on current conditions.

Update on the way.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   49  73  60  72 /  10  20  80  40
FSM   48  75  60  67 /  10  10  70  80
MLC   50  72  60  70 /  10  20  80  50
BVO   43  72  57  74 /  10  20  80  40
FYV   42  72  58  65 /  10  10  70  80
BYV   45  70  58  66 /  10  10  60  80
MKO   48  72  60  69 /  10  20  80  60
MIO   44  74  59  69 /  10  10  60  60
F10   48  71  60  70 /  10  20  80  40
HHW   52  72  61  68 /  10  20  80  70

&&

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

$$

AVIATION...07



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