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| #471365 (Received by flhurricane at: 12:44 AM 09.Nov.2011) TCPAT4 BULLETIN TROPICAL STORM SEAN INTERMEDIATE ADVISORY NUMBER 4A NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 100 AM EST WED NOV 09 2011 ...SEAN CONTINUES DRIFTING WESTWARD... SUMMARY OF 100 AM EST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...27.9N 70.3W ABOUT 455 MI...730 KM SW OF BERMUDA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * BERMUDA A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS IN BERMUDA SHOULD MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 AM EST...0600 UTC...THE CENTER OF TROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 27.9 NORTH...LONGITUDE 70.3 WEST. SEAN IS MOVING TOWARD THE WEST NEAR 3 MPH...6 KM/H. A GRADUAL TURN TOWARD THE NORTH IS EXPECTED OVER THE NEXT 24 HOURS...FOLLOWED BY A TURN TOWARD THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ON THURSDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS EXPECTED OVER THE NEXT COUPLE OF DAYS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 275 MILES...445 KM ...MAINLY TO THE NORTH OF THE CENTER. NOAA BUOY 41047 LOCATED WEST-SOUTHWEST OF THE CENTER RECENTLY REPORTED 1-MINUTE MEAN WINDS OF 45 MPH...72 KM/H...AND A WIND GUST OF 51 MPH...83 KM/H. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 997 MB...29.44 INCHES. NOAA BUOY 41047 RECENTLY REPORTED A PRESSURE OF 999.6 MB...29.52 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE ON BERMUDA BY THURSDAY AFTERNOON OR THURSDAY NIGHT. SURF...SWELLS GENERATED BY SEAN ARE EXPECTED TO AFFECT PORTIONS OF THE SOUTHEASTERN COAST OF THE UNITED STATES DURING THE NEXT COUPLE OF DAYS...CAUSING LIFE-THREATENING SURF AND RIP CURRENTS. PLEASE SEE STATEMENTS FROM YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR MORE DETAILS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 AM EST. $$ FORECASTER BEVEN |
