Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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611
FXUS64 KHGX 190454
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1154 PM CDT Mon Sep 18 2017

.AVIATION...
With wet ground from earlier precip, along with light wind and
mclr skies, would anticipate some fog to develop (some may be
dense). Confidence on timing/location/significance isn`t all that
high but initial thoughts are reflected in the TAFs. Otherwise,
slightly less available moisture is expected on Tue compared to
today. So although we`ll probably see some sct tstms with daytime
heating, areal coverage probably won`t be quite as widespread.
Similar diurnal pattern should exist going into midweek. 47

&&

.PREV DISCUSSION... /ISSUED 942 PM CDT Mon Sep 18 2017/
A little bit of action early this evening as a cluster of
thunderstorms slowed over southern Harris...northern Fort Bend and
Brazoria Counties and produced a quick 2 to nearly 5 inches of
rain in about two hours. These high rainfall rates lead to minor
street flooding/ponding from downtown Houston across southeast
Houston through the 8 PM hour. This first mentionable post-Harvey
thunderstorm activity quickly weakened through 8 PM hour and radar
has since become very quiet. Lower rain chances forecast Tuesday
as a relatively drier air mass just offshore of the upper Texas
coast comes onshore tomorrow. Flat zonal upper ridging with
surface high pressure parked over the northern Gulf should aid in
suppressing areawide TSRA activity. Anticipating more localized
-TSRA tomorrow (along local breezes?) with 30% areal coverage or
less from returning late morning through afternoon convection. 31

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)      75  91  74  93  75 /  10  20  10  30  10
Houston (IAH)              75  90  76  89  76 /  40  30  10  50  10
Galveston (GLS)            79  88  80  88  79 /  20  20  20  40  30

&&

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

&&

$$



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