000 WTNT34 KNHC 082034 TCPAT4 BULLETIN TROPICAL STORM SEAN ADVISORY NUMBER 3 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 500 PM AST TUE NOV 08 2011 ...SEAN A LITTLE STRONGER... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...27.8N 69.8W ABOUT 430 MI...695 KM SW OF BERMUDA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 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 500 PM AST...2100 UTC...THE CENTER OF TROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 27.8 NORTH...LONGITUDE 69.8 WEST. SEAN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 2 MPH...4 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE OVERNIGHT. A TURN TOWARD THE NORTHWEST IS FORECAST ON WEDNESDAY...WITH TURNS TOWARD THE NORTH AND THEN TOWARD THE NORTHEAST ANTICIPATED ON THURSDAY. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 50 MPH...85 KM/H... WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS POSSIBLE OVER THE NEXT COUPLE OF DAYS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM...MAINLY TO THE NORTH OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 999 MB...29.50 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE ON BERMUDA LATE THURSDAY OR EARLY FRIDAY. 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...800 PM AST. NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER BLAKE