000 WTNT31 KNHC 171437 TCPAT1 BULLETIN HURRICANE IGOR ADVISORY NUMBER 38 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 AM AST FRI SEP 17 2010 ...HURRICANE HUNTER PLANE TO REACH IGOR IN A COUPLE OF HOURS... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...23.1N 60.1W ABOUT 695 MI...1120 KM SSE OF BERMUDA MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/HR PRESENT MOVEMENT...NW OR 305 DEGREES AT 9 MPH...15 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 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 OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 23.1 NORTH...LONGITUDE 60.1 WEST. IGOR IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR. THIS GENERAL MOTION WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT DAY OR SO FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST. ON THE FORECAST TRACK...THE CENTER OF THE HURRICANE WILL BE APPROACHING BERMUDA ON SUNDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 120 MPH...195 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. 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. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 945 MB...27.91 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...200 PM AST. NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER KIMBERLAIN