sentences:  Early on February 15, the storm passed directly over Manuae.Continued weakening took place as a trough of low pressure approached from the southwest.By February 16, Nancy weakened below hurricane intensity and turned to the southwest as it began to undergo a Fujiwhara interaction with Cyclone Olaf, strong shear associated with the outflow of Cyclone Olaf caused all convection associated with Nancy to be displaced to the southwest on February 16.