ZCZC MIATCPAT1 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE IGOR ADVISORY NUMBER 31 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 500 PM AST WED SEP 15 2010 ...LARGE AND POWERFUL IGOR MAINTAINING ITS STRENGTH... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...20.1N 55.6W ABOUT 505 MI...815 KM ENE OF THE NORTHERN LEEWARD ISLANDS ABOUT 1015 MI...1635 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR PRESENT MOVEMENT...WNW OR 295 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 500 PM AST...2100 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 20.1 NORTH...LONGITUDE 55.6 WEST. IGOR IS MOVING TOWARD THE WEST-NORTHWEST NEAR 8 MPH...13 KM/HR. A GENERAL MOTION TOWARD THE WEST-NORTHWEST WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...215 KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT DAY OR TWO...BUT IGOR IS EXPECTED TO REMAIN A LARGE AND 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 240 MILES...390 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...1100 PM AST. $$ FORECASTER KIMBERLAIN NNNN
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