Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 211803
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
103 PM CDT THU MAY 21 2015

.DISCUSSION...
PLEASE SEE 18Z AVIATION DISCUSSION.

&&

.AVIATION...
THE HEAVIEST THUNDERSTORM ACTIVITY IS MOVING TO THE SOUTHEAST OUT
OF THE HOUSTON METRO AREA. EXCEPT FOR BRIEF VFR PERIODS...
PREVAILING MVFR CIGS SHOULD REMAIN IN PLACE THROUGH TONIGHT.
AFTERNOON CONVECTIVE ACTIVITY WILL BE FOCUSED ALONG A SLOW MOVING
COLD FRONT MOVING OVER THE COASTAL COUNTIES. WINDS SHOULD BE FROM
THE NORTH AND NORTHEAST NEAR 10 KNOTS BEHIND THE FRONT.

MVFR CONDITIONS SHOULD CONTINUE FRIDAY MORNING WITH POSSIBLE
SHOWER AND THUNDERSTORM ACTIVITY LATE IN THE PERIOD. WINDS SHOULD
BE FROM THE EAST AT 5 TO 10 KNOTS.              44

&&

.PREV DISCUSSION... /ISSUED 1044 AM CDT THU MAY 21 2015/
DISCUSSION...
AT 10 AM...A COLD FRONT EXTENDED FROM CORRIGAN TO JUST NORTH OF
CONROE TO COLUMBUS. SHRA/TSRA CONTINUE TO INCREASE IN COVERAGE
ACROSS SE TX. SHORT TERM MODELS CONTINUE TO INSIST THAT PRECIP
WILL INCREASE IN COVERAGE OVER THE SOUTHERN ZONES AND RADAR TRENDS
SEEM TO SUPPORT THIS. CURRENT FCST HAS LIKELY POPS OVER THE SOUTH
AND THIS APPEARS TO BE ON TRACK. RAIN HAS BEEN LOCALLY HEAVY AT
TIMES WITH 3 TO 4 INCHES OF RAIN OVER PARTS OF WALKER...HOUSTON...
TRINITY AND MONTGOMERY COUNTIES. WILL ADD LOCALLY HEAVY RAIN TO
THE WEATHER GRIDS. DON`T THINK HEAVY RAIN WILL BE WIDESPREAD BUT
SOME AREAS WILL RECEIVE A QUICK 1-3 INCHES.

TEMPS ARE TRICKY AS AREAS BEHIND THE FRONT HAVE FALLEN INTO THE
MID 60S BUT REMAIN IN THE LOWER 80S AHEAD OF THE FRONT. AREAS
BEHIND THE FRONT WILL HEAT UP LATER THIS AFTN IF/ONCE THE AREA
GETS A FEW BREAKS OF SUN. 43

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      70  82  71  84  72 /  40  50  30  40  30
HOUSTON (IAH)              72  83  72  84  74 /  30  40  20  30  20
GALVESTON (GLS)            77  82  77  83  78 /  30  30  20  20  20

&&

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

$$

DISCUSSION...43
AVIATION/MARINE...44


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