[http://www.bom.gov.au/cyclone/history/wa/carnarvon.shtml]

Tropical Cyclones Affecting Carnarvon

...

Amongst the earliest accounts of tropical cyclones in Western Australia are those of 1 March 1839, when George Grey's expedition reached Dorre Island off Carnarvon. They reported a sudden drop in wind from the southeast followed by swift onset of northwesterlies, indicating that the eye passed over them. Even the experienced George Grey wrote: 'We all quailed or fell before it, for it come with sudden and indescribable violence'.

...