WTNT31 KNHC 210848

TCPAT1



BULLETIN

TROPICAL STORM FIONA ADVISORY NUMBER  18

NWS NATIONAL HURRICANE CENTER MIAMI FL       AL062016

500 AM AST SUN AUG 21 2016



...FIONA MOVING WEST-NORTHWESTWARD OVER THE OPEN ATLANTIC...





SUMMARY OF 500 AM AST...0900 UTC...INFORMATION

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LOCATION...22.2N 51.7W

ABOUT 745 MI...1200 KM ENE OF THE LEEWARD ISLANDS

MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H

PRESENT MOVEMENT...WNW OR 295 DEGREES AT 16 MPH...26 KM/H

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





WATCHES AND WARNINGS

--------------------

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.





DISCUSSION AND 48-HOUR OUTLOOK

------------------------------

AT 500 AM AST (0900 UTC), THE CENTER OF TROPICAL STORM FIONA WAS

LOCATED NEAR LATITUDE 22.2 NORTH, LONGITUDE 51.7 WEST. FIONA IS

MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH (26 KM/H) AND THIS

GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT COUPLE OF

DAYS.



MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 45 MPH (75 KM/H)

WITH HIGHER GUSTS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT

48 HOURS.



TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 60 MILES (95 KM)

FROM THE CENTER.



THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB (29.71 INCHES).





HAZARDS AFFECTING LAND

----------------------

NONE.





NEXT ADVISORY

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NEXT COMPLETE ADVISORY AT 1100 AM AST.



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FORECASTER STEWART=