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#376219 (Received by flhurricane at: 10:40 AM 15.Sep.2010) TCPAT1 BULLETIN HURRICANE IGOR ADVISORY NUMBER 30 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 AM AST WED SEP 15 2010 ...IGOR WEAKENS A LITTLE FURTHER...STILL A LARGE AND POWERFUL HURRICANE... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...19.8N 55.0W ABOUT 540 MI...870 KM ENE OF THE NORTHERN LEEWARD ISLANDS ABOUT 1055 MI...1700 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR PRESENT MOVEMENT...WNW OR 300 DEGREES AT 8 MPH...13 KM/HR MINIMUM CENTRAL PRESSURE...942 MB...27.82 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 19.8 NORTH...LONGITUDE 55.0 WEST. IGOR IS MOVING TOWARD THE WEST-NORTHWEST NEAR 8 MPH...13 KM/HR. A GENERAL MOTION TOWARD THE NORTHWEST WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 135 MPH...215 KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT OR TWO...BUT IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 225 MILES...360 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 942 MB...27.82 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...LARGE SWELLS GENERATED BY IGOR WILL AFFECT THE LEEWARD ISLANDS...PUERTO RICO AND THE VIRGIN ISLANDS TODAY AND THURSDAY. THE SWELLS ARE EXPECTED TO REACH PORTIONS OF THE BAHAMAS TONIGHT AND THURSDAY AND CONTINUE THROUGH THE WEEKEND. SWELLS ASSOCIATED WITH IGOR WILL ALSO REACH THE EAST COAST OF THE UNITED STATES THURSDAY AND FRIDAY AND CONTINUE OVER THE WEEKEND. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE FOR ADDITIONAL INFORMATION. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER KIMBERLAIN |