000 WTNT31 KNHC 190540 TCPAT1 BULLETIN HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 44A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 200 AM AST SUN SEP 19 2010 ...LARGE IGOR A LITTLE WEAKER...TROPICAL STORM CONDITIONS BEGINNING TO SPREAD OVER BERMUDA... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...28.3N 65.1W ABOUT 275 MI...445 KM S OF BERMUDA MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/HR PRESENT MOVEMENT...NNW OR 340 DEGREES AT 12 MPH...19 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 YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 AM AST...0600 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 28.3 NORTH...LONGITUDE 65.1 WEST. IGOR IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/HR...AND A TURN TOWARD THE NORTH SHOULD BEGIN SOON. ON THE FORECAST TRACK...THE CENTER OF IGOR WILL PASS NEAR OR OVER BERMUDA LATE SUNDAY OR EARLY MONDAY. DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150 KM/HR...WITH HIGHER GUSTS. SOME FLUCTUATIONS IN INTENSITY ARE LIKELY BETWEEN NOW AND THE TIME THE HURRICANE MOVES NEAR OR OVER BERMUDA...BUT IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE DURING THAT PERIOD. GRADUAL WEAKENING SHOULD BEGIN BY LATE MONDAY OR TUESDAY. 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. OBSERVING SITES IN BERMUDA HAVE REPORTED PEAK WINDS OF TROPICAL STORM FORCE IN THE LAST HOUR...INCLUDING A PEAK WIND OF 54 MPH... 87 KM/HR...AT COMMISSIONERS POINT. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER AIRCRAFT WAS 949 MB...28.02 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE CURRENTLY SPREADING OVER BERMUDA...AND HURRICANE CONDITIONS ARE EXPECTED BY SUNDAY AFTERNOON OR EVENING. 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 THE WEEKEND. 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 COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BRENNAN