000 WTNT34 KNHC 081442 TCPAT4 BULLETIN SUBTROPICAL STORM SEAN ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 1100 AM AST TUE NOV 08 2011 ...SEAN EXPECTED TO BECOME A TROPICAL STORM LATER TODAY... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...27.7N 69.4W ABOUT 420 MI...675 KM SW OF BERMUDA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 2 MPH...4 KM/H 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 1100 AM AST...1500 UTC...THE CENTER OF SUBTROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 27.7 NORTH...LONGITUDE 69.4 WEST. THE STORM IS MOVING TOWARD THE NORTH NEAR 2 MPH...4 KM/H. A SLOW MOTION TOWARD THE WEST-NORTHWEST IS EXPECTED TO BEGIN LATER TODAY...WITH A TURN TOWARD THE NORTHWEST FORECAST BY WEDNESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/H...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS. WINDS OF 40 MPH 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 INTERMEDIATE ADVISORY...200 PM AST. NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER BLAKE