Post by NHC Olney Maryland on Sept 1, 2010 10:17:32 GMT -5
BULLETIN
TROPICAL STORM FIONA ADVISORY NUMBER 8
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082010
1100 AM AST WED SEP 01 2010
...FIONA PASSING NORTH OF THE NORTHERN LEEWARD ISLANDS...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...18.8N 61.7W
ABOUT 100 MI...160 KM ENE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 85 MI...135 KM N OF BARBUDA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 17 MPH...28 KM/HR
MINIMUM CENTRAL PRESSURE...998 MB...29.47 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
INTERESTS ELSEWHERE IN THE NORTHERN LEEWARD ISLANDS SHOULD MONITOR
THE PROGRESS OF FIONA.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA ...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF TROPICAL STORM FIONA WAS
LOCATED NEAR LATITUDE 18.8 NORTH...LONGITUDE 61.7 WEST. FIONA IS
MOVING TOWARD THE NORTHWEST NEAR 17 MPH...28 KM/HR...AND THIS MOTION
IS EXPECTED TO CONTINUE WITH A TURN TOWARD THE NORTH-NORTHWEST AND A
DECREASE IN FORWARD SPEED EXPECTED BY LATE THURSDAY. ON THE
FORECAST TRACK THE CENTER OF FIONA SHOULD PASS NORTH OF THE
NORTHERN LEEWARD ISLANDS TODAY.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH...95 KM/HR...WITH HIGHER
GUSTS. SOME SLIGHT INCREASE IN STRENGTH IS POSSIBLE DURING THE NEXT
DAY OR SO...WITH WEAKENING EXPECTED BY LATE FRIDAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220
KM...MOSTLY TO THE NORTHEAST OF THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 998 MB...29.47 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS COULD SPREAD OVER PORTIONS OF THE
NORTHERN LEEWARD ISLANDS LATER THIS MORNING AND AFTERNOON.
RAINFALL...FIONA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF
1 TO 3 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 5 INCHES...OVER
PORTIONS OF THE NORTHERN LEEWARD ISLANDS.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.
TROPICAL STORM FIONA ADVISORY NUMBER 8
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082010
1100 AM AST WED SEP 01 2010
...FIONA PASSING NORTH OF THE NORTHERN LEEWARD ISLANDS...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...18.8N 61.7W
ABOUT 100 MI...160 KM ENE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 85 MI...135 KM N OF BARBUDA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 17 MPH...28 KM/HR
MINIMUM CENTRAL PRESSURE...998 MB...29.47 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
INTERESTS ELSEWHERE IN THE NORTHERN LEEWARD ISLANDS SHOULD MONITOR
THE PROGRESS OF FIONA.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA ...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF TROPICAL STORM FIONA WAS
LOCATED NEAR LATITUDE 18.8 NORTH...LONGITUDE 61.7 WEST. FIONA IS
MOVING TOWARD THE NORTHWEST NEAR 17 MPH...28 KM/HR...AND THIS MOTION
IS EXPECTED TO CONTINUE WITH A TURN TOWARD THE NORTH-NORTHWEST AND A
DECREASE IN FORWARD SPEED EXPECTED BY LATE THURSDAY. ON THE
FORECAST TRACK THE CENTER OF FIONA SHOULD PASS NORTH OF THE
NORTHERN LEEWARD ISLANDS TODAY.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH...95 KM/HR...WITH HIGHER
GUSTS. SOME SLIGHT INCREASE IN STRENGTH IS POSSIBLE DURING THE NEXT
DAY OR SO...WITH WEAKENING EXPECTED BY LATE FRIDAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220
KM...MOSTLY TO THE NORTHEAST OF THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 998 MB...29.47 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS COULD SPREAD OVER PORTIONS OF THE
NORTHERN LEEWARD ISLANDS LATER THIS MORNING AND AFTERNOON.
RAINFALL...FIONA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF
1 TO 3 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 5 INCHES...OVER
PORTIONS OF THE NORTHERN LEEWARD ISLANDS.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.