FXUS64 KSHV 272030
AFDSHV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
230 PM CST FRI NOV 27 2009
.DISCUSSION...
HIGH PRESSURE HAS SHIFTED TO THE SOUTHEAST WHICH HAS ALLOWED FOR
SURFACE WINDS ACROSS THE AREA TO SWITCH AROUND TO THE SOUTHWEST. THIS
WILL ALLOW FOR A VERY SLOW MODERATION OF THE ATMOSPHERE OUT AHEAD
OF ANOTHER SYSTEM THAT WILL MOVE INTO THE FOUR STATE REGION LATE
SUNDAY. INSTABILITY WILL BE LACKING OUT AHEAD OF THE COLD FRONT
FOR MUCH OF THE AREA EXCEPT FOR SOME OF OUR EXTREME SOUTHERN
AREAS. THE MODELS ARE STILL SHOWING AN AVERAGE OF 1 TO 2 INCHES OF
QPF FOR THE AREA...AND THIS SEEMS TO BE THE MAJOR CONCERN WITH THE
SYSTEM.
FOR THE EXTENDED...MODEL INCONSISTENCIES ARE INHIBITING ANY REAL
HANDLE ON TEMPERATURES LATE IN THE PERIOD.
&&
.AVIATION...
VFR CONDITIONS WILL PREVAIL THROUGHOUT THE NIGHT INTO MUCH OF THE
DAY SATURDAY. HIGH CLOUDS WILL CONTINUE TO INCREASE FROM THE SOUTH
THROUGH THE NIGHT INTO THE DAY SATURDAY AS WELL. PRESSURE GRADIENT
WINDS WILL INCREASE DURING THE DAY SATURDAY WITH SOUTH WINDS
INCREASING TO 10 TO 15 KTS ACROSS THE NE TX TERMINALS MAINLY LATE IN
THE DAY. CROSS SECTIONS SUPPORT CU FIELD GRADUALLY EXPANDING
NORTHWARD FROM SE TX DURING THE AFTERNOON WITH MVFR CEILINGS
POSSIBLE AT LFK TERMINAL BY 21Z SAT. /13/
&&
.PRELIMINARY POINT TEMPS/POPS...
SHV 43 69 54 70 49 / 0 0 20 50 80
MLU 40 68 49 70 51 / 0 0 20 50 80
DEQ 37 67 48 63 43 / 0 0 20 60 70
TXK 45 68 54 65 45 / 0 0 20 60 80
ELD 40 67 50 67 47 / 0 0 20 50 80
TYR 46 69 59 68 45 / 0 10 20 60 80
GGG 44 69 57 68 46 / 0 0 20 60 80
LFK 44 70 57 73 50 / 0 10 20 50 80
&&
.SHV WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
LA...NONE.
OK...NONE.
TX...NONE.
&&
$$
23/13