882
FXUS64 KSHV 071708
AFDSHV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1108 AM CST SAT NOV 7 2009
DISCUSSION
AREAS OF FG HAVE LIFTED THIS MORNING...BUT STRATUS HAS BEEN SLOW TO
LIFT...AS THIN BNDRY LYR MOISTURE REMAINS TRAPPED BENEATH STEEP LOW
LEVEL INVERSION BASED ON THE 12Z KSHV/FWD RAOBS THIS MORNING. BELIEVE
THAT CLOUDS SHOULD CONTINUE TO THIN THROUGHOUT THE DAY AS SFC HEATING
WILL GRADUALLY LIFT CLOUD COVER INTO A DRIER AIR MASS ALOFT...BUT THIS
MAY BE MID/LATE AFTERNOON BEFORE IT HAPPENS. THUS...THIS DELAYED
CLOUD EROSION WILL LIKELY IMPACT MAX TEMPS THIS AFTERNOON...AND HAVE
LOWERED FORECAST MAXES DOWN TO THE MID 70S. CAN/T RULE OUT A FEW
STRONG SRLY WIND GUSTS OVER SE OK/WRN SECTIONS OF E TX TODAY...AS
TIGHTENING PRESSURE GRADIENT HAS SET UP. HOWEVER...SFC RIDGE WILL
REMAIN PERSISTENT ACROSS DEEP E TX/NCNTRL LA TODAY/TONIGHT...MAINTAINING
GENERALLY LIGHT SSE WINDS.
ZONE UPDATE ALREADY OUT...GRIDS WILL BE AVAILABLE SHORTLY.
15
AVIATION
FOG AND LOW CLOUDS IFR/MVFR CATEGORY BEING STUBBORN THIS MORNING
TRYING TO BURN OFF. WINDS A LITTLE STRONG JUST OFF THE SURFACE
SHOULD MIX DOWN THE NEXT COUPLE OF HOURS WHICH WILL HELP TO BURN THE
LOW CEILINGS/FOG OFF BY 17Z OR SO. CANNOT RULE OUT A MVFR CEILING
HERE OR THERE BY 18Z TAF ISSUANCE TIME BUT THE AFTERNOON SHOULD BE
VFR AREAWIDE. WE SHOULD PLAY THE LOW CLOUD/IFR GAME AGAIN TONIGHT
AND WILL ADDRESS THIS IN THE AFTERNOON DISCUSSION. /13/
PRELIMINARY POINT TEMPS/POPS
SHV 75 53 76 58 72 / 0 10 20 30 40
MLU 76 51 76 57 69 / 0 10 10 30 50
DEQ 75 47 75 52 73 / 0 10 10 20 20
TXK 76 54 75 57 72 / 0 10 10 20 30
ELD 75 50 76 55 71 / 0 10 10 30 40
TYR 76 56 76 59 74 / 0 10 20 30 30
GGG 76 54 76 57 74 / 0 10 20 30 30
LFK 77 56 78 59 75 / 0 10 30 40 30
SHV WATCHES/WARNINGS/ADVISORIES
AR...NONE.
LA...NONE.
OK...NONE.
TX...NONE.
15/13
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