000 WTNT34 KNHC 101431 TCPAT4 BULLETIN TROPICAL STORM SEAN ADVISORY NUMBER 10 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 1000 AM EST THU NOV 10 2011 ...SEAN NOW MOVING TO THE NORTHEAST... SUMMARY OF 1000 AM EST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...30.4N 70.5W ABOUT 360 MI...580 KM WSW OF BERMUDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...990 MB...29.23 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * BERMUDA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. INTERESTS IN BERMUDA SHOULD MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 AM EST...1500 UTC...THE CENTER OF TROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 30.4 NORTH...LONGITUDE 70.5 WEST. SEAN IS MOVING TOWARD THE NORTHEAST NEAR 7 MPH...11 KM/H...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH AN INCREASE IN FORWARD SPEED. MAXIMUM SUSTAINED WINDS REMAIN NEAR 65 MPH...100 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS POSSIBLE DURING THE NEXT DAY OR SO...AND SEAN COULD STILL BECOME A HURRICANE. HOWEVER...WEAKENING IS EXPECTED TO BEGIN BY LATE FRIDAY. AN AIR FORCE RESERVE UNIT RECONNAISSANCE AIRCRAFT IS CURRENTLY ENROUTE TO INVESTIGATE THE CYCLONE. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 255 MILES...410 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED ON BERMUDA BY THIS EVENING. RAINFALL...SEAN IS EXPECTED TO PRODUCE 1 TO 3 INCHES OF RAIN ON BERMUDA. SURF...SWELLS GENERATED BY SEAN ARE AFFECTING PORTIONS OF THE SOUTHEASTERN COAST OF THE UNITED STATES AND BERMUDA...CAUSING LIFE-THREATENING SURF AND RIP CURRENTS. PLEASE SEE STATEMENTS FROM YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR MORE DETAILS. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...100 PM EST. NEXT COMPLETE ADVISORY...400 PM EST. $$ FORECASTER BLAKE