Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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120
FXUS64 KHGX 170444
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1144 PM CDT Sat Sep 16 2017

.DISCUSSION...

6Z Aviation...Expected patchy fog to form later tonight and early
in the morning. Also, expect some low clouds as well, especially
across well inland TAF sites. Kept the VCSH for the SE TAF sites
due to increasing moisture tomorrow. 33

&&

.PREV DISCUSSION... /ISSUED 1006 PM CDT Sat Sep 16 2017/

UPDATE...
Anticipating another night of patchy fog development with
localized dense fog occurring after 3 or 4 AM across non-metro
open expanses and or in the vicinity of bodies of water. Similar
temperature behavior as over the past few days with low to mid 70
minimum morning temperatures...lower 90 maximum temperatures under
partially cloudy skies and a southeasterly breeze. A few daytime
subtle elements coming into play tomorrow that will increase
southern third CWA/Gulf-local Bay POPS into the 20 to 30% realm.
One is a possible subtle mid-level boundary that may be the reflection
of a lower level sea breeze inland intrusion. Behind this boundary...a
higher slug of Gulf moisture that should increase current near inch
pwats up to around 1.5 inches by the end of the day. Higher mid-level
offshore omega advecting inland within the heat of the day may be
enough to get some scattered showers and a rogue storm to form
near the coast and move further inland during the mid to late
afternoon hours. Higher POPS will be focused across the nearshore
Gulf waters early in the day and then spread into the first two
tier counties by mid afternoon. 31

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)      70  91  72  92  74 /  10  10  10  30  10
Houston (IAH)              72  93  74  89  75 /  10  30  10  40  10
Galveston (GLS)            78  89  78  87  78 /  10  30  20  30  20

&&

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

$$

Discussion...33



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