000 WTNT34 KNHC 100236 TCPAT4 BULLETIN TROPICAL STORM SEAN ADVISORY NUMBER 8 NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011 1000 PM EST WED NOV 09 2011 ...SEAN CONTINUES NORTHWARD WITH NO CHANGE IN STRENGTH...COULD STILL BECOME A HURRICANE ON THURSDAY... SUMMARY OF 1000 PM EST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...29.5N 70.7W ABOUT 400 MI...645 KM WSW OF BERMUDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 8 MPH...13 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...IN THIS CASE WITHIN 24 TO 36 HOURS. INTERESTS IN BERMUDA SHOULD MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 PM EST...0300 UTC...THE CENTER OF TROPICAL STORM SEAN WAS LOCATED NEAR LATITUDE 29.5 NORTH...LONGITUDE 70.7 WEST. SEAN IS MOVING TOWARD THE NORTH NEAR 8 MPH...13 KM/H. A TURN TOWARD THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED ON THURSDAY...WITH A FURTHER INCREASE IN FORWARD SPEED EXPECTED THURSDAY NIGHT AND FRIDAY. ON THE FORECAST TRACK THE CENTER OF SEAN WILL PASS NORTHWEST OF BERMUDA FRIDAY MORNING. MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS EXPECTED IN THE NEXT 24 HOURS...AND SEAN COULD BECOME A HURRICANE ON THURSDAY. WEAKENING IS EXPECTED ON FRIDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 255 MILES...410 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED ON BERMUDA BY THURSDAY 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 AM EST. NEXT COMPLETE ADVISORY...400 AM EST. $$ FORECASTER BRENNAN