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| #377584 (Received by flhurricane at: 4:41 PM 20.Sep.2010) TCPAT1 BULLETIN HURRICANE IGOR ADVISORY NUMBER 51 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 500 PM AST MON SEP 20 2010 ...IGOR BEGINNING EXTRATROPICAL TRANSITION...ACCELERATING NORTHEASTWARD TOWARD NEWFOUNDLAND... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...38.2N 61.5W ABOUT 725 MI...1170 KM SW OF CAPE RACE NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/HR PRESENT MOVEMENT...NE OR 40 DEGREES AT 28 MPH...44 KM/HR MINIMUM CENTRAL PRESSURE...968 MB...28.59 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE COAST OF NEWFOUNDLAND FROM STONES COVE NORTHWARD AND WESTWARD TO CHARLOTTETOWN A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO CANADA...PLEASE MONITOR PRODUCTS ISSUED BY ENVIRONMENT CANADA. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 PM AST...2100 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 38.2 NORTH...LONGITUDE 61.5 WEST. IGOR IS MOVING TOWARD THE NORTHEAST NEAR 28 MPH...44 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH TUESDAY. A TURN TOWARD THE NORTH-NORTHEAST AND NORTH WITH A DECREASE IN FORWARD SPEED IS EXPECTED ON TUESDAY NIGHT AND WEDNESDAY. ON THIS TRACK...THE CENTER OF IGOR WILL MOVE NEAR 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. SOME STRENGTHENING IS POSSIBLE...AND IGOR IS EXPECTED TO BECOME AN INTENSE EXTRATROPICAL CYCLONE IN A DAY OR SO. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 380 MILES...610 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 968 MB...28.59 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 4 TO 8 INCHES PRIMARILY OVER THE EASTERN HALF OF NEWFOUNDLAND...WITH ISOLATED AMOUNTS OF 10 INCHES POSSIBLE. SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE UNITED STATES THROUGH TUESDAY AND THE SOUTH-FACING COASTLINES OF NOVA SCOTIA AND NEWFOUNDLAND FOR THE NEXT FEW DAYS. SWELLS WILL BE SLOW TO 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 INTERMEDIATE ADVISORY...800 PM AST. NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER BERG |
