[Tropical] Public Tropical Cyclone Advisory

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WTNT33 KNHC 311754
TCPAT3
BULLETIN
TROPICAL STORM FIONA INTERMEDIATE ADVISORY NUMBER   4A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082010
200 PM AST TUE AUG 31 2010

...AIRCRAFT REACHES THE CENTER OF FIONA...


SUMMARY OF 200 PM AST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...16.3N 56.8W
ABOUT 335 MI...540 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...

NONE.

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...IN THIS CASE WITHIN 24
HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 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 TODAY.

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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM AST...1800 UTC...THE CENTER OF TROPICAL STORM FIONA WAS
LOCATED NEAR LATITUDE 16.3 NORTH...LONGITUDE 56.8 WEST. FIONA IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 24 MPH...39 KM/HR. A TURN
TOWARD THE NORTHWEST WITH A DECREASE IN FORWARD SPEED IS
ANTICIPATED DURING THE NEXT DAY OR SO. 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 ARE NEAR 40 MPH...65 KM/HR...WITH HIGHER
GUSTS.  SOME GRADUAL STRENGTHENING IS POSSIBLE DURING THE NEXT DAY
OR SO.

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

THE LATEST MINIMUM CENTRAL PRESSURE ESTIMATED FROM RECONNAISSANCE
AIRCRAFT DATA 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...500 PM AST.

$$
FORECASTER BROWN



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