Thursday, 30 October 2014

A hot summer coming?

The seasonal climate outlook released by the Australian Bureau of Meteorology suggests warmer than normal November to January days are more likely for Australia, except for far western areas of WA. Strongest odds are across northern and eastern parts of the country. Likewise, warmer than normal nights are more likely for most of the continent, except for far western parts of WA, and the northern Queensland coast.
2014-10-30_temperature
Climate influences include warmer than normal temperatures in the tropical Pacific Ocean and near normal tropical Indian Ocean temperatures. Maximum temperature accuracy is moderate to high over most of Australia, except for a region just south of the Gulf of Carpentaria. Minimum temperature accuracy is generally moderate to high over most of Australia.
When it comes to rainfall the Bureau suggests a drier than normal November to January is more likely over the northern and eastern Kimberley region of WA, the NT, Queensland, northeast SA, NSW, and most of Victoria. Elsewhere, the chances of a wetter or drier season are roughly equal.
2014-10-30_rainfall
The November monthly outlook shows a drier than normal month is more likely over most of the northern half of WA, most of the NT, Queensland, northeast and central SA, and southeast NSW.
Climate influences include warmer than normal temperatures in the tropical Pacific Ocean, near normal tropical Indian Ocean temperatures, and normal to below normal sea surface temperatures off our northern coasts. Outlook accuracy for the season is moderate to high over western and northern parts of WA, parts of the Top End of the NT, and the eastern mainland States. Elsewhere, accuracy is low.
If the seasonal outlook proves accurate then there probably be a political impact. Researchers keep finding that the weather people experience at the time has more influence on people’s attitude towards global warming than any predictions by the experts about long-term trends. A hot summer and support for action will increase only to decline again the next time the weather outside the window turns cold.
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