000 WTNT31 KNHC 181753 TCPAT1 BULLETIN HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 42A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 200 PM AST SAT SEP 18 2010 ...HURRICANE HUNTER AIRCRAFT FINDS IGOR SLIGHTLY WEAKER... ...CONDITIONS ON BERMUDA ARE EXPECTED TO DETERIORATE THIS EVENING... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...26.6N 64.1W ABOUT 400 MI...645 KM S OF BERMUDA MAXIMUM SUSTAINED WINDS...105 MPH...170 KM/HR PRESENT MOVEMENT...NW OR 310 DEGREES AT 12 MPH...19 KM/HR MINIMUM CENTRAL PRESSURE...945 MB...27.91 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 OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 PM AST...1800 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 26.6 NORTH...LONGITUDE 64.1 WEST. IGOR IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR. A TURN TOWARD THE NORTH-NORTHWEST IS EXPECTED THIS AFTERNOON OR TONIGHT...FOLLOWED BY A TURN TOWARD THE NORTH ON SUNDAY. ON THE FORECAST TRACK...THE CENTER OF IGOR WILL PASS NEAR OR OVER BERMUDA LATE SUNDAY OR EARLY MONDAY. HOWEVER...ADVERSE WEATHER CONDITIONS WILL BEGIN TO AFFECT BERMUDA THIS EVENING. REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS ARE NOW NEAR 105 MPH...170 KM/HR... WITH HIGHER GUSTS. IGOR IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT 48 HOURS...AND IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE AS IT APPROACHES BERMUDA. IGOR REMAINS A VERY LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 345 MILES...555 KM. NOAA BUOY 41049...LOCATED ABOUT 90 MILES...185 KM...NORTHEAST OF THE CENTER OF IGOR...RECENTLY REPORTED A SUSTAINED WIND OF 65 MPH... 105 KM/HR...AND A GUST OF 74 MPH...119 KM/HR. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER IS 945 MB...27.91 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN BERMUDA BY THIS EVENING...WITH HURRICANE CONDITIONS EXPECTED BY SUNDAY AFTERNOON OR EVENING. RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 5 TO 8 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 AFFECT 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 PM AST. $$ FORECASTER BEVEN