Since 1963, there have been three agencies who have named tropical cyclones within the north western Pacific Ocean which has often resulted in a cyclone having two names. From 1945 to 2000 the US Navy's Joint Typhoon Warning Center assigned names to tropical cyclones before the Japan Meteorological Agency (JMA), took over the naming of tropical cyclones in 2000. Both agencies assigned names to tropical cyclones when they intensified into a tropical storm. Since 1963 the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) has assigned local names to a tropical cyclone should it move into or form as a tropical depression in their area of responsibility located between 135°E and 115°E and between 5°N-25°N even if the cyclone has had an international name assi