TROPICAL STORM FIONA ADVISORY 3A

[NHC Olney Maryland]

BULLETIN
TROPICAL STORM FIONA INTERMEDIATE ADVISORY NUMBER 3A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082010
800 AM AST TUE AUG 31 2010

...FIONA MOVING QUICKLY WESTWARD...


SUMMARY OF 800 AM AST...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...15.8N 54.4W
ABOUT 500 MI...800 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 24 MPH...39 KM/HR
MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

THE GOVERNMENT OF FRANCE HAS ISSUED A TROPICAL STORM WARNING FOR ST.
MARTIN AND ST. BARTHELEMY.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ST. MARTIN AND ST. BARTHELEMY

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...NEVIS...AND ANGUILLA
* ST. MAARTEN...SABA...AND ST. EUSTATIUS

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 36 HOURS.

INTERESTS ELSEWHERE IN THE NORTHERN LEEWARD ISLANDS SHOULD MONITOR
THE PROGRESS OF FIONA. ADDITIONAL WATCHES OR WARNINGS MAY BE
REQUIRED FOR A PORTION OF THIS AREA LATER THIS MORNING.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 800 AM AST...1200 UTC...THE CENTER OF TROPICAL STORM FIONA WAS
LOCATED NEAR LATITUDE 15.8 NORTH...LONGITUDE 54.4 WEST. FIONA IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 24 MPH...39 KM/HR. A GRADUAL
TURN TOWARD THE NORTHWEST WITH A DECREASE IN FORWARD SPEED IS
ANTICIPATED DURING THE NEXT 48 HOURS. ON THE FORECAST TRACK...THE
CENTER OF FIONA IS EXPECTED TO PASS NEAR OR NORTHEAST OF THE
NORTHERN LEEWARD ISLANDS EARLY WEDNESDAY.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 40 MPH...65 KM/HR...WITH HIGHER
GUSTS. SOME SLOW STRENGTHENING IS POSSIBLE DURING THE NEXT DAY OR
TWO.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
TO THE NORTH OF THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB...29.71 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS COULD SPREAD OVER PORTIONS OF THE
NORTHERN LEEWARD ISLANDS TONIGHT OR EARLY WEDNESDAY.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM AST.