Tuesday, January 07, 2014

2013: Australia’s Warmest Year on Record

Very informative graphs at this link. Almost every day in 2013 was above average in temperature.

http://www.wunderground.com/blog/weatherhistorian/comment.html?entrynum=231#commenttop

By: Christopher C. Burt, 8:46 PM GMT on January 06, 2014

As the most intense cold wave to envelop a large portion of the U.S. since 1996 unfolds, record warmth has been the story for much of the rest of the world, including California, but especially in Australia where 2013 has been determined to be the continent’s warmest calendar year on record. This year has begun with yet more records. Here are some details.

The Australian Bureau of Meteorology issued a special statement on January 3rd confirming that 2013 was the nation’s warmest year on record (since 1910) so far as annual average temperature. The average was 21.8°C (71.2°F) which surpassed the previous warmest year of 21.63°C (70.9°F) set in 2005. 2013 was 1.2°C (2.2°F) above the long-term normal.

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Every state averaged above normal in 2013 with at least portions of every state observing their warmest year on record with the exception of Tasmania.

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One of the reasons for the unusual warmth in 2013 was very high sea surface temperatures (SST), the third warmest on record according to preliminary data.

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The unusual heat contributed to a number of destructive wild fires (or bush fires as they are called in Australia). One of the worst, in terms of damage, was that which scorched southeastern Tasmania during the early January heat wave of 2013. A total of 25,500 hectares (62,000 acres) burned with 193 homes destroyed along with an additional 186 other buildings. Even larger and more destructive wild fires occurred during the early spring heat waves of September and October when 50,000 hectares (124,000 acres) were scorched and 193 homes lost in the Blue Mountain area west of Sydney.

It will be interesting to see how Australia fares in 2014, having once more started off with some anomalous heat.


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