000 WTNT34 KNHC 081735 TCPAT4 BULLETIN TROPICAL STORM SEAN INTERMEDIATE ADVISORY NUMBER 2A NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 200 PM AST TUE NOV 08 2011 ...SEAN TRANSITIONS TO A TROPICAL STORM... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...27.7N 69.5W ABOUT 425 MI...685 KM SW OF BERMUDA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...1002 MB...29.59 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 200 PM AST...1800 UTC...THE CENTER OF TROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 27.7 NORTH...LONGITUDE 69.5 WEST. SEAN HAS BEEN NEARLY STATIONARY DURING THE PAST SEVERAL HOURS...BUT A SLOW MOTION TOWARD THE WEST-NORTHWEST IS EXPECTED TO BEGIN LATER TODAY. A TURN TOWARD THE NORTHWEST IS FORECAST BY WEDNESDAY...WITH A TURN TOWARD THE NORTH LIKELY ON THURSDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 45 MPH...75 KM/H...WITH HIGHER GUSTS. SOME INCREASE IN STRENGTH IS POSSIBLE DURING THE NEXT 48 HOURS. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 380 MILES...610 KM...PRIMARILY TO THE NORTH OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1002 MB...29.59 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE ON BERMUDA LATE THURSDAY. SURF...SWELLS GENERATED BY SEAN ARE EXPECTED TO AFFECT PORTIONS OF THE SOUTHEASTERN COAST OF THE UNITED STATES DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL CAUSE LIFE-THREATENING SURF AND RIP CURRENTS. PLEASE SEE STATEMENTS FROM YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR MORE DETAILS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER BLAKE