000 WTNT31 KNHC 182330 TCPAT1 BULLETIN HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 43A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 800 PM AST SAT SEP 18 2010 ...LARGE IGOR HEADING TOWARD BERMUDA...SQUALLS ALREADY SPREADING ACROSS THE ISLAND... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...27.7N 64.5W ABOUT 325 MI...520 KM S OF BERMUDA MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/HR PRESENT MOVEMENT...NW OR 320 DEGREES AT 14 MPH...22 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...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 PM AST...0000 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 27.7 NORTH...LONGITUDE 64.5 WEST. IGOR IS MOVING TOWARD THE NORTHWEST NEAR 14 MPH. A TURN TOWARD THE NORTH-NORTHWEST IS EXPECTED LATER 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...WEATHER CONDITIONS WILL GRADUALLY WORSEN TONIGHT AND SUNDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 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...BUT IGOR IS STILL EXPECTED TO REMAIN A DANGEROUS HURRICANE AS IT APPROACHES BERMUDA. AN AIR FORCE PLANE WILL BE INVESTIGATING IGOR LATER TONIGHT AND EARLY SUNDAY. 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. NOAA BUOY 41049...LOCATED ABOUT 90 MILES...150 KM...EAST OF THE CENTER OF IGOR...RECENTLY REPORTED A WIND GUST OF 80 MPH...130 KM/HR. ESTIMATED MINIMUM CENTRAL PRESSURE IS 945 MB...27.91 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN BERMUDA LATER TONIGHT...WITH HURRICANE CONDITIONS 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 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...1100 PM AST. $$ FORECASTER AVILA