Tuesday, November 23, 2010

Bolivia ties its all-time heat record

http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=1701

Posted by: JeffMasters, 1:25 PM GMT on November 23, 2010

Bolivia tied its all-time hottest temperature mark on October 29, when the mercury hit 46.7°C (116.1°F) at Villamontes. This ties the record set in Villamontes on three other dates: November 9, 2007, November 1980, and December 1980.

The year 2010 now has the most national extreme heat records for a single year--nineteen. These nations comprise 20% of the total land area of Earth. This is the largest area of Earth's surface to experience all-time record high temperatures in any single year in the historical record. Looking back at the past decade, which was the hottest decade in the historical record, seventy-five counties set extreme hottest temperature records (33% of all countries.) For comparison, fifteen countries set extreme coldest temperature records over the past ten years (6% of all countries).

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No nations set record for their coldest temperature in history in 2010.

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The period January - October was the warmest such 10-month period in the planet's history, and temperatures over Earth's land regions were at record highs in May, June, and July, according to the National Climatic Data Center. It is not a surprise that many all-time extreme heat records are being shattered when the planet as a whole is so warm. Global warming "loads the dice" to favor extreme heat events unprecedented in recorded history. In fact, it may be more appropriate to say that global warming adds more spots on the dice--it used to be possible to roll no higher than double sixes, and now it is possible to roll a thirteen.

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