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#376443 (Received by flhurricane at: 10:47 AM 16.Sep.2010) TCPAT1 BULLETIN HURRICANE IGOR ADVISORY NUMBER 34 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 AM AST THU SEP 16 2010 ...LARGE AND POWERFUL IGOR MOVING SLOWLY WEST-NORTHWESTWARD... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...21.0N 57.2W ABOUT 430 MI...690 KM ENE OF THE NORTHERN LEEWARD ISLANDS ABOUT 910 MI...1465 KM SSE OF BERMUDA MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/HR PRESENT MOVEMENT...NW OR 305 DEGREES AT 7 MPH...11 KM/HR MINIMUM CENTRAL PRESSURE...934 MB...27.58 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 21.1 NORTH...LONGITUDE 57.2 WEST. IGOR IS MOVING TOWARD THE NORTHWEST NEAR 7 MPH...11 KM/HR. THIS GENERAL MOTION WITH AN INCREASE IN FORWARD SPEED ARE EXPECTED OVER THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH...220 KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON SCALE. FLUCTUATIONS IN STRENGTH ARE LIKELY DURING THE NEXT COUPLE OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A LARGE AND POWERFUL HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 275 MILES...445 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 934 MB...27.58 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...LARGE SWELLS GENERATED BY IGOR WILL CONTINUE TO AFFECT THE LEEWARD ISLANDS...PUERTO RICO AND THE VIRGIN ISLANDS TODAY AND FRIDAY. THESE SWELLS WILL ALSO CAUSE DANGEROUS SURF CONDITIONS IN BERMUDA DURING THE NEXT SEVERAL DAYS. THESE SURF CONDITIONS WILL WORSEN AS IGOR APPROACHES BERMUDA. THE LARGE SWELLS ARE ALSO EXPECTED TO REACH PORTIONS OF THE BAHAMAS LATER TODAY AND CONTINUE THROUGH THE WEEKEND. SWELLS WILL REACH THE EAST COAST OF THE UNITED STATES LATER TODAY AND FRIDAY THROUGH AT LEAST SUNDAY. 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 |