000 WTNT33 KNHC 192038 TCPAT3 BULLETIN POST-TROPICAL CYCLONE GONZALO ADVISORY NUMBER 30 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082014 500 PM AST SUN OCT 19 2014 ...GONZALO BECOMES A POWERFUL EXTRATROPICAL CYCLONE OVER THE FAR NORTH ATLANTIC... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...51.6N 41.8W ABOUT 560 MI...900 KM NE OF ST. JOHNS NEWFOUNDLAND MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 52 MPH...83 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.71 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 PM AST...2100 UTC...THE CENTER OF POST-TROPICAL CYCLONE GONZALO WAS LOCATED NEAR LATITUDE 51.6 NORTH...LONGITUDE 41.8 WEST. THE POST-TROPICAL CYCLONE IS MOVING TOWARD THE EAST-NORTHEAST NEAR 52 MPH...83 KM/H. THIS MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT...FOLLOWED BY A STEADY DECREASE IN FORWARD SPEED ON MONDAY AND TUESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. SOME GRADUAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS. THE POST-TROPICAL CYCLONE IS FORECAST MERGE WITH ANOTHER LOW OVER THE NORTH ATLANTIC IN A COUPLE OF DAYS. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 310 MILES...500 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 972 MB...28.71 INCHES. HAZARDS AFFECTING LAND ---------------------- LARGE SWELLS GENERATED BY GONZALO WILL CONTINUE TO AFFECT PORTIONS OF THE VIRGIN ISLANDS...THE NORTHERN COASTS OF PUERTO RICO AND THE DOMINICAN REPUBLIC...PORTIONS OF THE BAHAMAS...PORTIONS OF THE UNITED STATES EAST COAST...BERMUDA...AND ATLANTIC CANADA THROUGH TONIGHT. THESE SWELLS WILL LIKELY CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. FOR MORE INFORMATION...PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON GONZALO. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. $$ FORECASTER STEWART