000 WTNT34 KNHC 101751 TCPAT4 BULLETIN TROPICAL STORM SEAN INTERMEDIATE ADVISORY NUMBER 10A NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 100 PM EST THU NOV 10 2011 ...AIRCRAFT CONFIRMS 65 MPH WINDS IN SEAN... SUMMARY OF 100 PM EST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...30.5N 70.0W ABOUT 330 MI...535 KM WSW OF BERMUDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NE OR 45 DEGREES AT 9 MPH...14 KM/H MINIMUM CENTRAL PRESSURE...983 MB...29.03 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 100 PM EST...1800 UTC...THE CENTER OF TROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 30.5 NORTH...LONGITUDE 70.0 WEST. SEAN IS MOVING TOWARD THE NORTHEAST NEAR 9 MPH...14 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. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 255 MILES...410 KM FROM THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS 983 MB...29.03 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 COMPLETE ADVISORY...400 PM EST. $$ FORECASTER BLAKE