Area Forecast Discussion
Issued by NWS Tulsa, OK

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FXUS64 KTSA 210548
AFDTSA

Area Forecast Discussion
National Weather Service Tulsa OK
1148 PM CST Mon Feb 20 2017

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
There will be a potential for dense fog at the OK TAF sites
overnight and low clouds at the AR TAF sites. Clearing line now
runs from near KBVO/KTUL/KMLC and these sites are likely to bounce
around with varying visibility. The worst conditions will likely
occur at KBVO/KRVS/KMLC which have already lowered below 1 mile at
times. Drier air is trying to work in from the northwest but it
will take awhile. Meanwhile...clouds will affect the AR TAF sites
through the overnight. The prevailing cloud height is around
5000-7000 feet, but developing stratocumulus below that layer will
result in occasional MVFR ceilings at the terminals. Improvement
will occur by mid morning with clouds gradually clearing from west
to east.

&&

.PREV DISCUSSION... /Issued 932 PM CST Mon Feb 20 2017/

..UPDATE...

DISCUSSION...
Light rain continues to slowly push eastward out of northwest
Arkansas with the trailing cloud shield also making slow eastward
progress. Rain will continue to taper off across western AR
overnight while areas of fog will thicken especially along the
western periphery of the cloud deck. The magnitude and duration of
the fog is uncertain however portions of SE OK are already
trending toward lower visibilities thus an advisory was posted and
later shifts can adjust as needed. Updated forecast raised min
temps a few degrees where clouds are expected to linger and
adjusted for observed precip trends.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   49  74  43  80 /   0   0   0   0
FSM   55  71  47  80 /  20  10  10   0
MLC   50  73  42  81 /  10   0   0   0
BVO   45  75  34  80 /   0   0   0   0
FYV   51  69  40  78 /  30  10  10   0
BYV   53  69  46  77 /  70  10  10   0
MKO   51  73  42  80 /  10   0   0   0
MIO   50  73  42  79 /  10   0   0   0
F10   48  73  42  79 /   0   0   0   0
HHW   53  74  47  79 /  10   0   0   0

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...Dense Fog Advisory until 9 AM CST Tuesday for OKZ049-053-073.

AR...None.
&&

$$

CORFIDI

LONG TERM....30
AVIATION...06



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