Australia braces for Cyclone Ilsa Cyclone Ilsa is set to be the most powerful tropical storm to hit Australia’s northwest region in a decade AUSTRALIA 1,500km 930 miles 20:00 Apr 12 16:00 Apr 13 22:00 Apr 13 04:00 Apr 14 16:00 Apr 14 Port Hedland Karratha Marble Bar INDIAN OCEAN Broome Bidyadanga Pardoo Wallal Downs Telfer Nullagine Parnngurr Balgo Storm track forecast Kiwirrkurra 200km 125 miles Warning zone: Gales within 24 hours Watch zone: Gales from 24-48 hours Range of likely tracks of storm centre Forecast as of 16:19 Apr 13. All times local (GMT plus 8 hours) Sources: Australian Bureau of Meteorology, BBC © GRAPHIC NEWS