sentences:  Cyclone Nicholas made landfall north of Carnarvon on 20 February as a category one cyclone.Cyclone Ophelia actually formed in TCWC Darwin's area of responsibility, but had moved into TCWC Perth's area when it was named.Tropical Cyclone Pancho formed on 23 March to the south of Christmas Island, and was named by TCWC Perth on 25 March; the system eventually reached category 4 status, with winds of .