000 WTNT32 KNHC 201501 TCPAT2 BULLETIN TROPICAL STORM BERTHA ADVISORY NUMBER 70 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008 1100 AM AST SUN JUL 20 2008 ...BERTHA BECOMES EXTRATROPICAL OVER THE FAR NORTH ATLANTIC... AT 1100 AM AST...1500Z...THE CENTER OF TROPICAL STORM BERTHA WAS LOCATED NEAR LATITUDE 51.3 NORTH...LONGITUDE 35.7 WEST OR ABOUT 850 MILES...1365 KM...EAST-NORTHEAST OF CAPE RACE NEWFOUNDLAND AND ABOUT 1020 MILES...1640 KM...SOUTHWEST OF REYKJAVIC ICELAND. BERTHA IS MOVING TOWARD THE NORTHEAST NEAR 36 MPH...57 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR TWO. MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. BERTHA HAS LOST TROPICAL CHARACTERISTICS AND IS EXPECTED TO SLOWLY WEAKEN DURING THE NEXT DAY OR SO. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. REPEATING THE 1100 AM AST POSITION...51.3 N...35.7 W. MOVEMENT TOWARD...NORTHEAST NEAR 36 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...987 MB. THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. FUTURE 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 KNABB/BLAKE