due to the size of the system and its strong core , yasi maintained Preserving cyclonic intensity farther inland than normal , finally dissipating Dispersal into a tropical low near mount isa , at 10 pm on 3 february 2011 , 22 hours after the storm first crossed Motion_directional the coast .

on 22 september 1966 a vickers viscount departed Departing from mount isa , queensland , australia for a 73-minute flight to longreach .

isa very gradually intensified Cause_change_of_strength , and on april 20 the typhoon reached Achieve peak unk winds of 270 km/h ( 165 mph ) , as reported Reporting by the joint typhoon warning center ; japan meteorological agency reported Reporting maximum unk winds of 155 km/h ( 100 mph ) .