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| #372858 (Received by flhurricane at: 4:46 AM 01.Sep.2010) TCPAT3 BULLETIN TROPICAL STORM FIONA ADVISORY NUMBER 7 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082010 500 AM AST WED SEP 01 2010 ...FIONA A LITTLE STRONGER AS IT MOVES TOWARD THE NORTHERN LEEWARD ISLANDS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...17.4N 60.2W ABOUT 200 MI...320 KM ESE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/HR PRESENT MOVEMENT...WNW OR 290 DEGREES AT 14 MPH...22 KM/HR MINIMUM CENTRAL PRESSURE...1004 MB...29.65 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 12 TO 18 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 12 TO 18 HOURS. INTERESTS ELSEWHERE IN THE NORTHERN LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS OF FIONA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. 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 500 AM AST...0900 UTC...THE CENTER OF TROPICAL STORM FIONA WAS LOCATED BY RADAR AND RECONNAISSANCE AIRCRAFT TO BE NEAR LATITUDE 17.4 NORTH...LONGITUDE 60.2 WEST. FIONA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 14 MPH...22 KM/HR. A GRADUAL TURN TOWARD THE NORTHWEST IS EXPECTED TO OCCUR LATER TODAY AND ON THURSDAY. ON THE FORECAST TRACK...THE CENTER OF FIONA IS SHOULD PASS OVER OR JUST NORTH OF THE NORTHERNMOST LEEWARD ISLANDS LATER THIS MORNING AND AFTERNOON. MAXIMUM SUSTAINED WINDS MEASURED BY AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT HAVE INCREASED TO NEAR 45 MPH...75 KM/HR...WITH HIGHER GUSTS. SOME SLIGHT STRENGTHENING IS POSSIBLE DURING THE NEXT 24 HOURS...FOLLOWED BY LITTLE CHANGE INTENSITY AFTER THAT. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE RECENTLY MEASURED BY RECONNAISSANCE AIRCRAFT WAS 1004 MB...29.65 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS COULD SPREAD OVER PORTIONS OF THE NORTHERN LEEWARD ISLANDS BY 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...800 AM AST. NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER STEWART |
