000 WTNT34 KNHC 092039 TCPAT4 BULLETIN TROPICAL STORM SEAN ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 400 PM EST WED NOV 09 2011 ...SEAN COULD BECOME A HURRICANE BY TOMORROW... SUMMARY OF 400 PM EST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...28.7N 70.5W ABOUT 420 MI...675 KM SW OF BERMUDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...991 MB...29.26 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 WITHIN 36 HOURS. INTERESTS IN BERMUDA SHOULD MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 400 PM EST...2100 UTC...THE CENTER OF TROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 28.7 NORTH...LONGITUDE 70.5 WEST. SEAN IS MOVING TOWARD THE NORTH NEAR 6 MPH...9 KM/H. A TURN TOWARD THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED ON THURSDAY...FOLLOWED BY A FURTHER INCREASE IN FORWARD SPEED ON FRIDAY. ON THE FORECAST TRACK...THE CENTER OF SEAN IS EXPECTED TO PASS NORTHWEST OF BERMUDA ON FRIDAY MORNING. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 65 MPH...100 KM/H... WITH HIGHER GUSTS. FURTHER STRENGTHENING IS ANTICIPATED...AND SEAN COULD BECOME A HURRICANE BY TOMORROW. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED ON BERMUDA BY THURSDAY NIGHT. 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...700 PM EST. NEXT COMPLETE ADVISORY...1000 PM EST. $$ FORECASTER BLAKE