000 WTNT31 KNHC 170257 TCPAT1 BULLETIN HURRICANE IGOR ADVISORY NUMBER 36 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 PM AST THU SEP 16 2010 ...IGOR PASSES OVER NOAA BUOY...GOOD DATA COLLECTED... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...22.0N 58.7W ABOUT 390 MI...625 KM NE OF THE NORTHERN LEEWARD ISLANDS ABOUT 805 MI...1295 KM SSE OF BERMUDA MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/HR PRESENT MOVEMENT...NW OR 310 DEGREES AT 9 MPH...15 KM/HR MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE WEATHER SERVICE OF BERMUDA HAS ISSUED A HURRICANE WATCH FOR BERMUDA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * BERMUDA A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 22.0 NORTH...LONGITUDE 58.7 WEST. IGOR IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR. THIS GENERAL MOTION WITH AN INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 125 MPH...205 KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT COUPLE OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A LARGE AND POWERFUL HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM. IGOR PASSED NEAR NOAA BUOY 41044 AND REPORTED SUSTAINED WINDS OF 79 MPH...128 KM/HR....WITH GUSTS TO 105 MPH... 169 KM/HR DURING THE PAST COUPLE OF HOURS. THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM DATA FROM THE NOAA BUOY IS 935 MB...27.61 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE LEEWARD ISLANDS... PUERTO RICO...THE VIRGIN ISLANDS...HISPANIOLA...AND PORTIONS OF THE BAHAMAS DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL ALSO CAUSE DANGEROUS SURF CONDITIONS IN BERMUDA DURING THE NEXT SEVERAL DAYS...WORSENING AS IGOR APPROACHES. SWELLS WILL REACH THE EAST COAST OF THE UNITED STATES FRIDAY AND CONTINUE THROUGH THE WEEKEND. 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 INTERMEDIATE ADVISORY...200 AM AST. NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BROWN