Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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FXUS64 KHGX 220424
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1124 PM CDT Mon Aug 21 2017

.AVIATION...
VFR...mainly. Skies clearing out with a few showers over the
coastal waters. Overnight some patchy fog possible at the outlying
sites CLL/UTS/CXO/LBX. Rapid clearing after sunrise with
developing CU and then during the afternoon isolated showers.
Soundings have trended drier and more capped and after today`s
storms think that coverage will be minimal. Have dropped most
sites VCSH/Prob30 except near the coast. VFR tomorrow evening and
may see an increase in shower coverage toward morning on Wednesday
near the coast.
45


&&

.PREV DISCUSSION... /ISSUED 1016 PM CDT Mon Aug 21 2017/

DISCUSSION...
Activity over inland areas have dissipated this evening, but will
keep eye over the coastal waters where additional storms have de-
veloped. This activity is forming where PWats are estimated to be
at/around 2 inches. Have raised POPS up a bit for the Gulf waters
and coastal counties overnight based on these trends. 41

PREV DISCUSSION... /ISSUED 721 PM CDT Mon Aug 21 2017/

AVIATION...
Storms have moved out of the Metro terminals with only a few left
on the radar near 66R and east and southeast of CLL. Overnight VFR
with the possibility (though slim) that brief MVFR fog/cigs
develop at UTS/LBX/CXO toward morning. Model soundings showing
increased subsidence with drier air aloft and less low level
moisture to work with so have tweaked TAFS to mainly VCSH after
18z. Winds decouple tonight then come back up after sunrise but
only 4-8kts for the most part out of the SE...overall quiet
aviation wx.
45

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)      75  98  76  99  75 /  10  20  10  20  30
Houston (IAH)              76  95  77  96  77 /  20  30  10  30  30
Galveston (GLS)            82  92  82  91  82 /  20  30  10  30  20

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...NONE.
GM...NONE.
&&

$$

Discussion...41
Aviation/Marine...45



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