000 WTNT31 KNHC 200542 TCPAT1 BULLETIN HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 48A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 200 AM AST MON SEP 20 2010 ...TROPICAL STORM FORCE WINDS STILL OCCURRING ON BERMUDA AS IGOR MOVES AWAY... SUMMARY OF 200 AM AST...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...33.4N 65.1W ABOUT 80 MI...125 KM NNW OF BERMUDA MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/HR PRESENT MOVEMENT...NNE OR 15 DEGREES AT 16 MPH...26 KM/HR MINIMUM CENTRAL PRESSURE...955 MB...28.20 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 BERMUDA...PLEASE MONITOR PRODUCTS ISSUED BY THE BERMUDA WEATHER SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 AM AST...0600 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 33.4 NORTH...LONGITUDE 65.1 WEST. IGOR IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 16 MPH...26 KM/HR. A TURN TOWARD THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ARE EXPECTED IN THE NEXT 12 TO 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF IGOR WILL CONTINUE MOVING AWAY FROM BERMUDA ON MONDAY. MAXIMUM SUSTAINED WINDS ARE 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 EXPECTED DURING THE NEXT 48 HOURS. IGOR IS FORECAST TO BECOME AN EXTRATROPICAL CYCLONE WITHIN THE NEXT COUPLE OF DAYS. 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. THE OFFICIAL WEATHER OBSERVING SITE IN BERMUDA RECENTLY REPORTED A 10-MINUTE WIND OF 43 MPH...69 KM/HR...AND A GUST TO 53 MPH...85 KM/HR. ESTIMATED MINIMUM CENTRAL PRESSURE IS 955 MB...28.20 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...WINDS WILL BEGIN TO DIMINISH OVER BERMUDA LATER MONDAY MORNING. RAINFALL...IGOR IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL ACCUMULATIONS OF UP TO AN INCH OVER BERMUDA THROUGH MIDDAY MONDAY. THIS WILL BRING STORM TOTAL AMOUNTS TO BETWEEN 6 AND 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 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...500 AM AST. $$ FORECASTER BRENNAN