000 WTNT31 KNHC 201151 TCPAT1 BULLETIN HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 49A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 800 AM AST MON SEP 20 2010 ...TROPICAL STORM CONDITIONS STILL OCCURRING ON BERMUDA... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...35.2N 64.0W ABOUT 200 MI...320 KM N OF BERMUDA ABOUT 975 MI...1565 KM SW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/HR PRESENT MOVEMENT...NNE OR 25 DEGREES AT 21 MPH...33 KM/HR MINIMUM CENTRAL PRESSURE...957 MB...28.26 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * BERMUDA A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE COAST OF NEWFOUNDLAND FROM STONES COVE NORTHWARD AND WESTWARD TO JONES HARBOUR A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. 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 800 AM AST...1200 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 35.2 NORTH...LONGITUDE 64.0 WEST. IGOR IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 21 MPH...33 KM/HR. A TURN TOWARD THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED IN THE NEXT 24 TO 36 HOURS. ON THE FORECAST TRACK...IGOR WILL CONTINUE MOVING AWAY FROM BERMUDA AND PASS OFFSHORE OF THE SOUTHEASTERN TIP OF NEWFOUNDLAND ON TUESDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 75 MPH...120 KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS...AND IGOR IS EXPECTED TO BECOME A STRONG EXTRATROPICAL CYCLONE IN THE NEXT DAY OR TWO. IGOR IS A 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. TROPICAL STORM FORCE WINDS ARE STILL OCCURRING ON BERMUDA. A 10-MINUTE WIND OF 46 MPH...74 KM/HR...AND A GUST TO 59 MPH...94 KM/HR WERE RECENTLY REPORTED ON THE ISLAND. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 957 MB...28.26 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE STILL OCCURRING IN BERMUDA. THESE WINDS WILL GRADUALLY DIMINISH LATER TODAY. RAINFALL...SIGNIFICANT RAINFALL ASSOCIATED WITH IGOR IN BERMUDA HAS ENDED. STORM SURGE...STORM SURGE SHOULD BE SUBSIDING BUT COULD STILL PRODUCE SOME COASTAL FLOODING ALONG THE COAST OF BERMUDA TODAY. THE SURGE WILL BE ACCOMPANIED BY LARGE AND DAMAGING WAVES. SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE UNITED STATES THROUGH TUESDAY. LARGE SWELLS WILL GRADUALLY SUBSIDE IN 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 AM AST. $$ FORECASTER BERG