IDW10800 Australian Government Bureau of Meteorology Western Australia Tropical Cyclone Day Outlook for the Western Region Issued at 2:19 pm WST on Wednesday 11 December 2013 for the period until midnight WST Saturday 14 December 2013. Existing Cyclones in the Western Region: Nil. Potential Cyclones: The monsoon trough has become active in the region north of 10S near 105E, which is north of Christmas Island. There are indications that a low may develop in this area over the next couple of days and then move in a generally WSW direction. Late Friday or Saturday the system could move into the region. Likelihood of this system being a tropical cyclone in the Western Region on: Thursday Very Low Friday Very Low Saturday Low There are no other significant lows in the Western Region at present and none are expected to develop over the next 3 days. In the longer term models are picking the development of another low north of Christmas Island on Sunday or early next week. NOTES: The likelihood is an estimate of the chance of each system being a tropical cyclone in the Region for each day. Very Low: less than 5% Moderate: 20 to 50% Low: 5% to 20% High: over 50% The Western Region refers to the Indian Ocean between Longitudes 90-125E and south of 10S.