Area Forecast Discussion
Issued by NWS Shreveport, LA

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000
FXUS64 KSHV 180546 AAA
AFDSHV

Area Forecast Discussion...UPDATED
National Weather Service Shreveport LA
1146 PM CST Sun Dec 17 2017

.AVIATION...
LIFR cigs with reduced vsbys in FG (some of it dense) will
continue areawide through much of Monday morning, before a slow
improvement commences by late morning/midday. However, as was the
case today, not expecting vsbys to improve much, possibly in the
3-6SM range with IFR/LIFR cigs lingering through the afternoon.
Can`t rule out isolated -SHRA developing during the afternoon over
E TX/Wrn LA, and over the remainder of the region during the
evening, but low confidence precludes VCSH mention in the TAF`s
attm. As low level winds become more SE Monday evening atop a very
moist and cool ground, should see cigs lowering to LIFR once again
after 00Z, with areas of FG developing over much of the region as
a warm front begins to advance NNW into E TX/N LA from SE TX/S LA.
Lt/Vrb winds will continue tonight through much of Monday. /15/

&&

.PREV DISCUSSION... /issued 1005 PM CST Sun Dec 17 2017/

UPDATE...
To issue Dense fog advisory along and South of I-20

DISCUSSION...
Quarter mile visibility reported in Tyler Texas and Shreveport
with half or three quarter mile reports from Ruston, Monroe and
Alexandria. Light East or variable winds will not help and many
sites are calm this last hour. So it will likely linger widespread
dense overnight into the morning commute. The dense fog advisory
runs until 10 am or until conditions improve on a wide spread
basis. No other changes needed at this time. /24/

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  47  62  57  69 /  10  40  50  90
MLU  47  62  56  71 /  10  30  30  70
DEQ  41  60  49  64 /   0  10  30  90
TXK  44  60  53  64 /   0  10  40  90
ELD  44  61  52  67 /  10  10  40  80
TYR  46  58  56  65 /  10  50  50 100
GGG  45  59  55  68 /  10  50  60 100
LFK  49  62  59  71 /  20  60  50  80

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...None.
LA...Dense Fog Advisory until 10 AM CST Monday for LAZ001>006-010>014-
     017>022.

OK...None.
TX...Dense Fog Advisory until 10 AM CST Monday for TXZ124>126-136>138-
     149>153-165>167.

&&

$$

15/24



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