000 WTNT31 KNHC 170833 TCPAT1 BULLETIN HURRICANE IGOR ADVISORY NUMBER 37 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 500 AM AST FRI SEP 17 2010 ...DANGEROUS IGOR EXPECTED TO REMAIN A MAJOR HURRICANE FOR A COUPLE MORE DAYS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...22.4N 59.4W ABOUT 760 MI...1225 KM SSE OF BERMUDA ABOUT 375 MI...605 KM NE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/HR PRESENT MOVEMENT...NW OR 305 DEGREES AT 9 MPH...15 KM/HR MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. 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 500 AM AST...0900 UTC...THE EYE OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 22.4 NORTH...LONGITUDE 59.4 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. ON THE FORECAST TRACK...THE CENTER OF THE HURRICANE WILL BE APPROACHING BERMUDA ON SUNDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 125 MPH...205 KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY THREE HURRICANE ON THE SAFFIR- SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT COUPLE OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A POWERFUL HURRICANE. IGOR IS AN EXTREMELY LARGE TROPICAL CYCLONE. 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. NOAA BUOY 41044 RECENTLY REPORTED A SUSTAINED WIND OF 59 MPH... 95 KM/HR...AND A GUST TO 80 MPH...129 KM/HR. ESTIMATED MINIMUM CENTRAL PRESSURE IS 935 MB...27.61 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE IN BERMUDA BY LATE SATURDAY...WITH HURRICANE CONDITIONS POSSIBLE ON SUNDAY. 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...WHICH WILL WORSEN AS IGOR APPROACHES. SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE UNITED STATES THROUGH THE WEEKEND. 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...800 AM AST. NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER BLAKE/BRENNAN