ZCZC MIATCPAT1 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE IGOR ADVISORY NUMBER 24 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 PM AST MON SEP 13 2010 ...IGOR WEAKENS A LITTLE BUT STILL AN INTENSE CATEGORY 4 HURRICANE... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...17.7N 51.2W ABOUT 785 MI...1260 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/HR PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/HR MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM AST...0300 UTC...THE EYE OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 17.7 NORTH...LONGITUDE 51.2 WEST. IGOR IS MOVING TOWARD THE WEST NEAR 9 MPH...15 KM/HR. THIS GENERAL SPEED WITH A TURN TOWARD THE WEST-NORTHWEST IS EXPECTED ON TUESDAY...FOLLOWED BY A TURN TOWARD THE NORTHWEST EARLY WEDNESDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 140 MPH...220 KM/HR...WITH HIGHER GUSTS. IGOR IS STILL A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN INTENSITY ARE POSSIBLE DURING THE NEXT COUPLE OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A POWERFUL HURRICANE THROUGH WEDNESDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 195 MILES...315 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 937 MB...27.67 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...SWELLS GENERATED BY IGOR WILL BEGIN AFFECTING THE LEEWARD ISLANDS ON TUESDAY...AND WILL REACH PUERTO RICO AND THE VIRGIN ISLANDS TUESDAY NIGHT AND WEDNESDAY. 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 AM AST. $$ FORECASTER BERG NNNN
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