Seasonal climate outlook for Sep-Nov 2015

Sheep Central, August 27, 2015

Click to watch a short video presentation of the Bureau’s seasonal climate outlook for Spring 2015.

A wetter-than-average spring is more likely in western and central Australia, while in the east and north there is an equal chance of above or below average rainfall, according to the Bureau of Meteorology’s latest three month seasonal outlook, released this morning.

Wetter in the west and centre

There is an increased chance of a wetter-than-average season over much of southern and central WA, the southern NT, SA and extending into parts of western NSW Victoria and Queensland. In far north Queensland, spring is likely to be drier than average. Most of eastern Australia has a roughly equal chance of a wetter or drier season.

The current outlook reflects the record warm sea surface temperatures in the Indian Ocean, and a strengthening El NiƱo in the Pacific.

Historical outlook accuracy for spring is moderate to high over most of Australia.

Warmer spring nights for most of the country

Spring days are likely to be warmer than average along the east coast and in far southwest WA. Small parts of WA and much of Victoria are likely to have cooler than normal spring days. Overnight temperatures are likely to be warmer than normal across much of the country except in the southeast where the chances are roughly equal.

Significantly warmer-than-average sea surface temperatures in the Indian Ocean and nearer the Australian coastline are likely influencing the warmer overnight temperatures expected for much of the country.

Maximum temperature accuracy is moderate to high over most of Australia, except for some small patches in WA, where accuracy is low to very low. Minimum temperature accuracy is moderate over much of the country but patchy in WA and parts of the northern tropics.



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