text: However , neither of the official Regional Specialized Meteorological Centers for the eastern north Pacific , the National Hurricane Center and the Central Pacific Hurricane Center , include this system in their annual archives , nor is it included in the official `` best track '' file .
simplified: However , neither of the official Regional Specialized Meteorological Centers for the eastern north Pacific , the National Hurricane Center and the Central Pacific Hurricane Centre , include this system in their yearly archives , nor is it included in the official `` best track '' file .