alter definition: The definition of alter means to make something different without completely changing it. (verb) An example of alter is to cut a few inches off the bottom of a dress to make it shorter....
Cyclone tracks in Australia: 1907-2005. In an average season, tropical cyclones are mostly experienced in northwest Australia between Exmouth and Broome in Western Australia and in northeast Queensland between Port Douglas and Maryborough.here is some correlation between cyclone frequency and the El-Nino Southern Oscillation status, with activity subdued in El-Nino events and enhanced during La-Nina events, especially in the Coral Sea. Interesting fact: The greatest number of tropical cyclones in the Australian region in any one year was 20 in 1983.
Drought-affected fields in the Victorian countryside, 2006. Drought in Australia is defined by the Australian Bureau of Meteorology as rainfall over a three-month period being in the lowest decile of what has been recorded for that region in the past.ureau of Meteorology records since the 1860s show that a âsevereâ drought has occurred in Australia, on average, once every 18 years. State Governments are responsible for declaring a region drought affected and the declaration will take into account factors other than rainfall.