National Weather Service Raw Text Product

679 
FXUS64 KHGX 200458
AFDHGX

Area Forecast Discussion
National Weather Service Houston/Galveston TX
1158 PM CDT Wed Jun 19 2019

.DISCUSSION...

Updated for the 06Z TAF issuance.

&&

.AVIATION...

The line of showers and thunderstorms that were moving across
Central Texas earlier tonight is now moving into the northern
counties. SPC issued a Severe Thunderstorm Watch for portions
north of I-10 mainly for strong winds and possible hail threat.
Mod/Heavy rainfall, frequent lightning and wind gusts up to 30
knots will be affecting KCLL/KUTS during the next two hours or so
and could extend south to KCXO. Periods of MVFR is possible as 
these storms move across these TAF sites. This activity is 
expected to move away and/or dissipate by around 20/09Z. 

The rest of the previous aviation forecast remains unchanged.  


&&

.PREV DISCUSSION... /ISSUED 1047 PM CDT Wed Jun 19 2019/ 

NEAR TERM [Through Tonight]...

Very short term...line of strong to severe storms with a wind 
threat to the northwest will be moving toward and into the 
northwest counties between 1115 pm and 130 am. Main threat should 
be gusty winds in excess of 30 mph and but hail may be possible 
in the stronger storms.

45

PREV DISCUSSION /Issued 1002 PM CDT Wed Jun 19 2019/...

DISCUSSION...

Upper level trough and associated surface frontal boundary will 
continue to move across North and Central Texas tonight. Line of
showers and storms producing heavy rainfall, gusty winds and
intense lightning have been affecting these areas during the past
several hours. As the trough and frontal boundary moves eastward 
tonight, some of these showers and storms may move across the 
northern portions of Southeast Texas tonight through early
Thursday morning. HiRes precip models continues to show weaker 
activity passing over the northern counties, dissipating it moves
southeastward. Updated and kept the same POP/WX trend in the 
forecast. Showers and storms are expected to move away from the 
local region by the early morning hours. 

Winds from the south at around 10 knots are expected overnight 
with winds increasing to 10 to 15 knots with higher gusts
Thursday. Another HOT day is forecast for Thursday as high 
pressure ridge dominates the local weather. Maximum temperatures 
ranging in the mid to upper 90s with heat index values of 106-111
degrees F expected in the afternoon. A Heat Advisory has been
issued for most of Southeast Texas and will be in effect from 9 AM
to 7 PM CDT Thursday. Take extra precautions if you plan to work 
or spend time outside. 

The rest of the previous forecast continues on track and no 
significant changes were made. 24

&&

.PRELIMINARY POINT TEMPS/POPS...
College Station (CLL)      78  97  78  96  78 /  70  10   0  10  10 
Houston (IAH)              80  96  80  94  80 /  10  10   0  20  10 
Galveston (GLS)            82  90  83  89  83 /  10  10   0  10  10 

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...Heat Advisory from 9 AM to 7 PM CDT Thursday for the following 
     zones: Austin...Brazos...Burleson...Chambers...Coastal 
     Brazoria...Coastal Galveston...Coastal Harris...Coastal 
     Jackson...Coastal Matagorda...Colorado...Fort Bend...
     Galveston Island and Bolivar Peninsula...Grimes...Houston...
     Inland Brazoria...Inland Galveston...Inland Harris...Inland 
     Jackson...Inland Matagorda...Madison...Montgomery...
     Northern Liberty...Polk...San Jacinto...Southern Liberty...
     Trinity...Walker...Waller...Washington...Wharton.

GM...SMALL CRAFT SHOULD EXERCISE CAUTION until 4 AM CDT Thursday for 
     the following zones: Coastal waters from Freeport to 
     Matagorda Ship Channel TX out 20 NM...Coastal waters from 
     High Island to Freeport TX out 20 NM...Waters from Freeport 
     to Matagorda Ship Channel TX from 20 to 60 NM...Waters from 
     High Island to Freeport TX from 20 to 60 NM.

&&

$$

Aviation/Marine...24