Complex sentence: Jasper exited the Austrlian region and entered into the South Pacific, RSMC Nadi region of responsibility, it then weakened unexpectedly and dissipated as it began to move off the coast of New Caledonia.
Split into simpler sentences: Jasper exited the Austrlian region and entered into the South Pacific, RSMC Nadi region of responsibility. It then weakened unexpectedly and dissipated as it began to move off the coast of New Caledonia.