Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 271807
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
107 PM CDT WED APR 27 2016


.AVIATION...
LONG LINE OF STORMS FROM OUT IN THE GULF 90 SSE OF LCH TO NEAR NEW
AND JAN. ATMOSPHERE ACROSS SETX APPEARS HAVE BEEN WELL WORKED
OVER WITH SKIES MOSTLY CLEAR TO CLEAR. SOUTHEASTERLY FLOW ACROSS
THE REGION WITH WEAK SURFACE TROUGHING DOWN INTO THE NORTH CENTRAL
PORTIONS OF TX ASSOCIATED WITH A DISSIPATING FRONTAL BOUNDARY.
WEAK EAST TO SOUTHEAST FLOW ACROSS THE GULF INTO SETX WILL
CONTINUE TODAY AND TONIGHT. WET GROUND AND LIGHT WINDS WITH CLEAR
SKIES WILL LIKELY SET THE STAGE FOR PATCHY FOG AT SOME OF THE
SITES. CIGS OF 700-1500FT WITH A STRATUS DECK FORMING 06-08Z TO
THE SOUTHWEST AND EXPANDING INTO MOST OF THE SITES BY 11-12Z.
LL MOISTURE PREVAILS WITH THIS FLOW THURSDAY MORNING AND SCT-
BKN025 CIGS.
45

&&

.PREV DISCUSSION... /ISSUED 931 AM CDT WED APR 27 2016/

UPDATE...
CONTINUE TO TRY TO UPDATE THE FORECAST TO ACCOUNT FROM CURRENT
CONDITIONS THIS MORNING IN THE WAKE OF EXTENSIVE MCS/SQUALL LINE.
HAVE DROPPED POPS CONSIDERABLY THROUGH THE AFTERNOON...ALTHOUGH
COULD STILL SEE A FEW/SCATTERED SHOWERS DEVELOP THIS AFTERNOON.
ALL IN ALL...SHOULD SEE CLEARING SKIES UNTIL CONVECTIVE CUMULUS
FORMS WITH HEATING. TEMPS WILL BE PROBLEMATIC AS RAIN COOLED
AIRMASS IS WELL ENTRENCHED. DIURNAL HEATING SHOULD BE FAIRLY
STRONG TODAY SO HAVE LEFT MAX TEMPS ALONE FOR THE MOST PART WITH
TEMPS REBOUNDING WELL INTO THE 80S FOR MOST AREAS AWAY FROM THE
COAST.

EVANS

AVIATION...
VFR WILL BE THE NORM ACROSS THE REGION FOR MUCH OF THE DAY. COULD
SEE SOME SCT CUMULUS/SHOWERS THIS AFTERNOON...ALTHOUGH
COVERAGE/CONFIDENCE TOO LOW TO HIGHLIGHT ANY IMPACTS AS TERMINAL
SITES. WILL INCLUDE MVFR STRATUS DEVELOPING AFTER 6Z.

48

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      87  67  87  70  85 /  10  10  20  30  40
HOUSTON (IAH)              85  71  87  73  85 /  20  10  20  20  30
GALVESTON (GLS)            80  74  83  73  81 /  20  20  10  20  30

&&

.HGX WATCHES/WARNINGS/ADVISORIES...
TX...COASTAL FLOOD ADVISORY UNTIL 2 PM CDT THIS AFTERNOON FOR THE
     FOLLOWING ZONES: GALVESTON.

GM...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL 1 PM CDT THIS
     AFTERNOON FOR THE FOLLOWING ZONES: WATERS FROM FREEPORT TO
     THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM...WATERS FROM
     FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM...WATERS
     FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM...WATERS FROM HIGH
     ISLAND TO FREEPORT OUT 20 NM.

&&

$$

DISCUSSION...48
AVIATION/MARINE...45



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