Simplify the following text for a Grade 9 native English-speaking person.
Original: In addition , this system 's track data indicates that it crossed from the central to the east Pacific because it formed at longitude 149 Â W and dissipated at 135 Â W. Only two recorded other tropical cyclones had done that previously .
Simplified: In addition , this system 's track data shows that it crossed from the central to the east Pacific because it formed at longitude 149 Â W and dissipated at 135 Â W. Only two other known tropical cyclones had done that before .