Rip currents form when waves break near the shoreline, piling up water between the breaking waves and the beach. One of. the ways this water returns to sea is to form a rip current, a narrow. stream of water moving swiftly away from shore, often perpendicular. to the shoreline.
Featuring a year round mild climate and an average of 7 hours of sunshine daily, Coolum weather has some of the highest levels of sunshine in the world.Cooulmâs seasonal variations are much more subtle and far less extreme than those of northern Asia, North America and Europe.nsurprisingly summer is the perfect time to cool off with a dip but even in winter, water temperatures are still a bearable 19 degrees. Most rainfall is experienced in the beginning of the year with an average of 30mm however winter still sees some rainfall with an average of just 40mm.
Corowa, in the south eastern Riverina has an average rainfall of 539.4 millimetres (21.2 in) per year while mean annual rainfall at Hay is 367.2 millimetres (14.5 in). Drought in 2006 has seen the lowest ever recorded rainfall in towns such as Lockhart, Tarcutta and Narrandera.n the 20th century, the development of major irrigation areas in the Murray and Murrumbidgee valleys has led to the introduction of crops such as rice and wine grapes. The Riverina has strong cultural ties to Victoria, and the region was the source of much of the impetus behind the federation of Australian colonies.