Increased Expansion wind shear weakened Cause_change_of_strength the eyewall , which passed Motion_directional within 15 km ( 9 mi ) of Réunion .

Increased Cause_change_of_position_on_a_scale wind shear from a nearby trough encroached on further development later that day , and subsequently led to Causation slight weakening Cause_change_of_strength .

Increased wind shear caused Causation the cyclone Catastrophe to rapidly weaken Cause_change_of_strength , and both BoM and JTWC discontinued Process_end advisories Warning on Gillian on 26 March .

Increased fuel consumption caused Causation by having to fly Motion at lower altitude , combined Cause_to_amalgamate with the inability to rendezvous Arriving with a tanker in time caused Causation the aircraft to run out of Expend_resource fuel .