Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 290445
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1145 PM CDT TUE JUL 28 2015

.DISCUSSION...
SEE 06Z AVIATION DISCUSSION.

&&

.AVIATION...
VFR CONDITIONS EXPECTED TO PREVAIL FOR SE TX TAF SITES INTO THE
OVERNIGHT HOURS... BEFORE A RETURN OF MVFR VISIBILITIES AND
CEILINGS TO KCLL/KSGR EARLY WEDNESDAY MORNING. SATELLITE DERIVED
PW VALUES HAVE INCREASED TO 2.00 INCHES THIS EVENING AND THE GFS
IS HINTING AT SOME SHOWERS NEAR KGLS PRIOR TO SUNRISE. FCST
SOUNDINGS FROM THE 00Z NAM AND GFS ARE A BIT MORE AGGRESSIVE WITH
MOISTURE FOR WEDS AFTN AND WOULD NOT BE SURPRISED IF VCSH WILL BE
REQUIRED FOR LATE WED AFTN INTO WED EVENING. LIGHT AND VARIABLE
WINDS ARE EXPECTED TONIGHT BECOMING S-SE ON WED AFTN. 43

&&

.PREV DISCUSSION... /ISSUED 941 PM CDT TUE JUL 28 2015/

DISCUSSION...
WITH A SURFACE HIGH AND AN UPPER LEVEL HIGH PRESSURE RIDGE OVER
SOUTHEAST TEXAS...THE ISOLATED SHOWERS THAT WERE OCCURRING EARLIER
THIS EVENING HAVE DISSIPATED AS OF 9 PM.

THE POES SOUNDER DOES SHOW HIGHER MOISTURE WORKING ITS WAY INTO
THE AREA FROM THE EAST. THIS SHOULD HELP WITH THE DEVELOPMENT OF
PATCHY FOG. EXPECT THE FOG DEVELOPMENT TO BE MAINLY ONCE AGAIN
WEST AND SOUTHWEST OF METRO HOUSTON...MAINLY FROM KCLL TO THE
COASTAL COUNTIES AWAY FROM THE IMMEDIATE COAST. THE PATCHY FOG IS
EXPECTED TO LIFT BEFORE MID MORNING.

40

PREV DISCUSSION... /ISSUED 642 PM CDT TUE JUL 28 2015/

UPDATE...
ISOLATED SHOWERS WERE DEVELOPING ALONG THE COMBINATION OF THE SEA
BREEZE...BAY BREEZE...AND AN WESTWARD MOVING OUTFLOW BOUNDARY.
HAVE UPPED POPS TO 10 PERCENT AND INCLUDED MENTION OF A SLIGHT
CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS OVER THE INLAND AREAS
AWAY FROM THE COAST THROUGH THE MID EVENING TIME FRAME.

40

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      78  98  78  99  78 /  10  10  10  20  20
HOUSTON (IAH)              78  99  78  99  78 /  10  10  10  30  20
GALVESTON (GLS)            82  92  82  92  82 /  10  10  10  20  20

&&

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

$$



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