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| #372891 (Received by flhurricane at: 7:49 AM 01.Sep.2010) TCPAT3 BULLETIN TROPICAL STORM FIONA INTERMEDIATE ADVISORY NUMBER 7A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082010 800 AM AST WED SEP 01 2010 ...FIONA INTENSIFYING AS IT APPROACHES THE NORTHERN LEEWARD ISLANDS... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...18.2N 60.9W ABOUT 70 MI...110 KM NE OF BARBUDA ABOUT 145 MI...235 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR PRESENT MOVEMENT...WNW OR 295 DEGREES AT 15 MPH...24 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 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 800 AM AST...1200 UTC...THE CENTER OF TROPICAL STORM FIONA WAS LOCATED BY RADAR AND RECONNAISSANCE AIRCRAFT TO BE NEAR LATITUDE 18.1 NORTH...LONGITUDE 60.9 WEST. FIONA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR. A GRADUAL TURN TOWARD THE NORTHWEST IS EXPECTED TO OCCUR LATER TODAY. ON THE FORECAST TRACK...THE CENTER OF FIONA SHOULD PASS NEAR OR JUST NORTH OF THE NORTHERNMOST LEEWARD ISLANDS LATER THIS MORNING AND AFTERNOON. DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 60 MPH...95 KM/HR...WITH HIGHER GUSTS. SOME SLIGHT STRENGTHENING IS POSSIBLE DURING THE NEXT 24 HOURS...FOLLOWED BY LITTLE CHANGE IN INTENSITY AFTER THAT. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM...MOSTLY TO THE NORTHEAST OF THE CENTER. THE MINIMUM CENTRAL PRESSURE RECENTLY MEASURED BY RECONNAISSANCE AIRCRAFT WAS 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 COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER BLAKE/AVILA |
