Area Forecast Discussion
Issued by NWS Houston/Galveston, TX

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000
FXUS64 KHGX 020439
AFDHGX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1139 PM CDT WED APR 1 2015

.DISCUSSION...
SEE 06Z AVIATION DISCUSSION.

&&

.AVIATION...
IFR CIGS DEVELOPING OVER THE SW ZONES AND SHORT TERM GUIDANCE
IS AGGRESSIVE WITH LOW CIGS EXPANDING ACROSS SE TX TONIGHT.
MODIFIED TAFS TO INCLUDE IFR CIGS BETWEEN 08-15Z WITH CONDITIONS
IMPROVING TO MVFR BY 15Z THURSDAY MORNING AS DRIER AIR ALOFT
MIXES TOWARD THE SFC. VFR CONDS EXPECTED DURING THE AFTN WITH MVFR
CIGS REDEVELOPING THURSDAY NIGHT. DESPITE A TIGHT PRESSURE
GRADIENT...SFC WINDS HAVE BEGUN TO RELAX. DON`T THINK WINDS WILL
COMPLETELY DECOUPLE SO NOT EXPECTING MUCH MORE THAN PATCHY FOG
LATE TONIGHT. MIXING ON THURSDAY COUPLED WITH A TIGHT PRESSURE
GRADIENT SHOULD PRODUCE MODERATE TO STRONG WINDS. WILL MAINTAIN
GUST GROUPS THROUGH MID AFTERNOON. 43

&&

.PREV DISCUSSION... /ISSUED 1022 PM CDT WED APR 1 2015/

UPDATE...
EVENING RADAR IMAGERY SHOWS EARLIER CONVECTION WINDING DOWN AS
SHORTWAVE TROUGH SWINGS ACROSS THE AREA. SURFACE WINDS EXPECTED TO
REMAIN ELEVATED AROUND 10 MPH TONIGHT WITH TIGHT PRESSURE GRADIENT
IN PLACE ACROSS THE STATE... WITH MIXING KEEPING OVERNIGHT LOWS A
FEW DEGREES WARMER THAN THIS MORNING /LOWS TONIGHT IN THE UPPER
60S TO LOW 70S/. LATEST RAP/HRRR CONTINUE TO SHIFT PRECIPITATION
OFF TO THE EAST WITH PASSAGE OF TROUGH AXIS AND MAIN FORECAST
UPDATE TO REFLECT DIMINISHING OVERNIGHT RAIN CHANCES. REMAINDER OF
FORECAST IS ON TRACK.

HUFFMAN

&&

.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL)      67  82  68  79  51 /  30  20  10  30  20
HOUSTON (IAH)              67  83  70  82  55 /  20  20  10  30  30
GALVESTON (GLS)            69  77  70  77  59 /  20  10  10  20  30

&&

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

$$

DISCUSSION...14
AVIATION/MARINE...43



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