000
FXUS62 KTBW 111825
AFDTBW
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
225 PM EDT THU SEP 11 2003
.CURRENTLY...MOSTLY SUNNY WITH TEMPERATURES IN THE MID 80S AT THE
MOMENT. WINDS NORTHEASTERLY...5 TO 10 MPH ON LAND WITH AROUND 10KT
ON THE GULF.
.SHORT TERM (TONIGHT-SAT)...HIGH PRESSURE OVER THE EASTERN U.S.
WILL CONTINUE TO RIDGE SOUTH TO THE EASTERN GULF WITH A SOMEWHAT
DRY NORTHEASTERLY FLOW THROUGH TONIGHT. THIS HIGH WILL LIFT NORTH
AND EAST FRIDAY AS ANOTHER SURFACE RIDGE BUILDS IN ACROSS SOUTH FL
FROM THE ATLANTIC...WITH WINDS VEERING AND INCREASING MOISTURE
SLOWLY. THIS RIDGE WILL MOVE NORTHWARD DURING THE WEEKEND TO NORTH
OF THE AREA BY EARLY SUNDAY. HAVE GENERALLY FAVORED THE GFS AS MODEL
OF CHOICE BASED ON IT'S HANDLING OF PRECIPITABLE WATER DURING THE
PAST 12-24 HOURS. HOWEVER...THE ETA IS SLIGHTLY BETTER ON SURFACE
WINDS NOT THAT THERE IS TOO MUCH DIFFERENCE. THE CURRENT TREND OF A
SLIGHT INCREASE IN POPS DURING THE WEEKEND WILL CONTINUE WITH TEMPS
CLOSE TO NORMAL...WILL USE MAV AS GUIDANCE.
.EXTENDED (SUN-THU)...SURFACE RIDGE EXPECTED TO REMAIN NORTH OF THE
REGION INTO MONDAY WITH A WEAKENING COLD FRONT BECOMING STATIONARY
AND WASHING OUT ACROSS NORTH FLORIDA TUESDAY. WILL CONTINUE TO GO
WITH EAST TO SOUTHEAST FLOW THROUGH SUNDAY WITH SCATTERED AFTERNOON
POPS. ON MONDAY WINDS RATHER VARIABLE...BUT STILL SOME MOISTURE
AROUND SO WILL LEAVE SCATTERED POPS. FOR TUESDAY THROUGH THURSDAY
BIGGEST DEBATE CONTINUES TO BE ON THE MOVEMENT OF ISABEL. LATEST
MODELS BRING ISABEL TOWARD BAHAMAS WITH HIGH PRESSURE OVER THE
EASTERN U.S. FLOW BETWEEN THESE TWO SYSTEMS SHOULD BE OUT OF THE
NORTHEAST ACROSS THE AREA SO WILL LIKELY SEE SOME DRIER AIR FILTER IN
AND WILL ONLY GO WITH ISOLATED POPS FOR MID-WEEK. TEMPERATURES WILL
REMAIN NEAR NORMAL THROUGH THE PERIOD.
.MARINE...NO HIGHLIGHTS AS WINDS VEER DURING MUCH OF THE WEEKEND...
BUT WITH SEA BREEZES IN THE AFTERNOONS. WINDS THEN BEGIN TO BACK
AS THE AXIS OF THE SURFACE RIDGE MOVES BY.
PRELIMINARY NUMBERS:
TPA 072/089 073/089 0203
FMY 073/088 073/089 0304
GIF 072/090 073/090 0203
SRQ 071/088 072/089 0203
BKV 067/088 069/089 0203
Tampa NWS Discussion still talking ridge next week..
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