Post by NHC Olney Maryland on Sept 1, 2010 14:19:31 GMT -5
BULLETIN
TROPICAL STORM FIONA INTERMEDIATE ADVISORY NUMBER 8A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082010
200 PM AST WED SEP 01 2010
...FIONA PASSING NORTH OF THE LEEWARD ISLANDS INTO THE OPEN
ATLANTIC...
SUMMARY OF 200 PM AST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...19.3N 62.2W
ABOUT 90 MI...145 KM NE OF ANGUILLA
ABOUT 145 MI...235 KM ENE ANEGADA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 17 MPH...28 KM/HR
MINIMUM CENTRAL PRESSURE...1001 MB...29.56 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
THESE WATCHES AND WARNINGS MAY BE DISCONTINUED LATER TODAY.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED
STATES...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 BY THE AIR FORCE HURRICANE HUNTER AIRCRAFT NEAR LATITUDE
19.3 NORTH...LONGITUDE 62.2 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 BY LATE THURSDAY. THE CENTER OF FIONA IS CURRENTLY
PASSING NORTH OF THE LEEWARD ISLANDS INTO THE OPEN ATLANTIC OCEAN.
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.
MINIMUM CENTRAL PRESSURE OBSERVED FROM THE AIRFORCE RECONNAISSANCE
AIRCRAFT IS 1001 MB...29.56 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS...PRIMARILY IN GUSTS...CURRENTLY
OCCURING OVER PORTIONS OF THE NORTHERN LEEWARD ISLANDS SHOULD
DIMINISH LATER THIS AFTERNOON OR EVENING.
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 COMPLETE ADVISORY...500 PM AST.
TROPICAL STORM FIONA INTERMEDIATE ADVISORY NUMBER 8A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082010
200 PM AST WED SEP 01 2010
...FIONA PASSING NORTH OF THE LEEWARD ISLANDS INTO THE OPEN
ATLANTIC...
SUMMARY OF 200 PM AST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...19.3N 62.2W
ABOUT 90 MI...145 KM NE OF ANGUILLA
ABOUT 145 MI...235 KM ENE ANEGADA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 17 MPH...28 KM/HR
MINIMUM CENTRAL PRESSURE...1001 MB...29.56 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
THESE WATCHES AND WARNINGS MAY BE DISCONTINUED LATER TODAY.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED
STATES...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 BY THE AIR FORCE HURRICANE HUNTER AIRCRAFT NEAR LATITUDE
19.3 NORTH...LONGITUDE 62.2 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 BY LATE THURSDAY. THE CENTER OF FIONA IS CURRENTLY
PASSING NORTH OF THE LEEWARD ISLANDS INTO THE OPEN ATLANTIC OCEAN.
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.
MINIMUM CENTRAL PRESSURE OBSERVED FROM THE AIRFORCE RECONNAISSANCE
AIRCRAFT IS 1001 MB...29.56 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS...PRIMARILY IN GUSTS...CURRENTLY
OCCURING OVER PORTIONS OF THE NORTHERN LEEWARD ISLANDS SHOULD
DIMINISH LATER THIS AFTERNOON OR EVENING.
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 COMPLETE ADVISORY...500 PM AST.