000 WTNT31 KNHC 191452 TCPAT1 BULLETIN HURRICANE IGOR ADVISORY NUMBER 46 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 AM AST SUN SEP 19 2010 ...HURRICANE FORCE WIND GUSTS REPORTED ON BERMUDA...STRONGER WINDS YET TO COME... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...30.4N 65.4W ABOUT 135 MI...220 KM SSW OF BERMUDA MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/HR PRESENT MOVEMENT...N OR 360 DEGREES AT 16 MPH...26 KM/HR MINIMUM CENTRAL PRESSURE...949 MB...28.02 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BERMUDA FOR STORM INFORMATION SPECIFIC TO BERMUDA...PLEASE MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 30.4 NORTH...LONGITUDE 65.4 WEST. IGOR IS MOVING TOWARD THE NORTH NEAR 16 MPH...26 KM/HR. THIS GENERAL MOTION WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED TODAY...FOLLOWED BY A TURN TOWARD THE NORTHEAST LATE TONIGHT OR MONDAY. ON THE FORECAST TRACK... THE CENTER OF IGOR WILL PASS NEAR OR OVER BERMUDA THIS EVENING OR TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS...AND IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE AS IT MOVES NEAR OR OVER BERMUDA. IGOR IS A VERY LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 345 MILES...555 KM. THE OFFICIAL WEATHER OBSERVING SITE IN BERMUDA RECENTLY REPORTED A SUSTAINED WIND OF 46 MPH...74 KM/HR...WITH A GUST TO 71 MPH...115 KM/HR. AN ELEVATED OBSERVING SITE IN BERMUDA RECENTLY REPORTED A WIND GUST TO 89 MPH...143 KM/HR. ESTIMATED MINIMUM CENTRAL PRESSURE IS 949 MB...28.02 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS WILL CONTINUE OVER BERMUDA...AND HURRICANE CONDITIONS ARE EXPECTED BY THIS AFTERNOON AND WILL CONTINUE OVERNIGHT. RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 6 TO 9 INCHES OVER BERMUDA. STORM SURGE...A DANGEROUS STORM SURGE IS EXPECTED TO PRODUCE SIGNIFICANT COASTAL FLOODING ON BERMUDA. THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES...ESPECIALLY ALONG THE SOUTHERN COAST. SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE UNITED STATES THROUGH MONDAY. LARGE SWELLS WILL GRADUALLY SUBSIDE IN THE LEEWARD ISLANDS...PUERTO RICO...THE VIRGIN ISLANDS... HISPANIOLA...AND PORTIONS OF THE BAHAMAS DURING THE NEXT COUPLE OF DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENTS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE FOR ADDITIONAL INFORMATION. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 PM AST. NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER BROWN