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xx 2010 warmest year on record
« Thread started on: Jan 20th, 2011, 3:38pm »

http://timesofindia.indiatimes.com/home/environment/global-warming/2010-was-warmest-year-on-record-UN-weather-agency/articleshow/7328368.cms

2010 was warmest year on record: UN weather agency

GENEVA: India and other South Asian countries face rising temperatures and extreme weather patterns as the world recorded the warmest year in 2010, the World Meteorological Organisation said on Thursday.

"The 2010 data confirm the Earth's significant long-term warming trend," WMO's secretary-general Michel Jarraud told reporters.

"Last year was an exceptionally warm year over much of Africa and southern and western Asia, and in Greenland and Arctic Canada, with many parts of these regions having their hottest years on record," he said.

Global average temperature last year was 0.53 degrees Celsius above the average level during 1961-90, and it is higher than the two previous warmest years -- 1998 and 2005 -- in the last decade.

More disturbingly, the Arctic sea-ice cover, which is a protective layer against global warming, was the lowest on record last month, with an average monthly extent of 12 million square kilometres or 1.35 square kilometres below the 1979-2000 average for December.

Further, global temperatures during the last ten years, 2001-2010, have averaged 0.46 degrees Celsius above the 1961-1990 average.

Incidentally, they are the highest ever recorded since the beginning of instrumental climate records in early 19th century.

The heat wave and forest fires in Russia during summer last year and the devastating monsoonal floods in Pakistan and the recent floods in Australia, Brazil, and Sri Lanka point towards an uncertain period of weather-related disturbances, the IMO cautioned.

For countries in South Asia, including India, the weather patterns and unusual La El Nino/La Nina oceanic conditions could pose a major threat to monsoons, said an IMO official.

Already, the floods in Pakistan last year and the early January floods in Sri Lanka are a grim reminder that monsoon could turn out to be irregular and also wreak havoc in extreme cases, the official said.

The South Asian countries also face the risk of receding Himalayan glacier as it is happening with other glaciers in the world.

The so-called biblical floods in Australia in December and the first half of January are associated with the continuing strong La Nina event while the flash floods in Brazil which caused untold human misery are due to unusual weather patterns.
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xx Re: Last decade warmest on record
« Reply #1 on: Jan 20th, 2011, 3:51pm »

http://www.reuters.com/article/idUSTRE70J31B20110120

Factbox: Last decade warmest on record

(Reuters) - The 10 years to 2010 were the warmest since records began in the 19th century, confirming a long-term warming trend, the U.N.'s World Meteorological Organization (WMO) said on Thursday.

In a report saying 2010 had tied with 2005 and 1998 as the warmest year, the WMO also said the years from 2001 to 2010 had averaged 0.45 degrees Celsius (0.83 Fahrenheit) above the 1961-1990 average of 14.0 Celsius (57.20F)

It said the temperature was "the highest ever recorded for a 10-year period since the beginning of instrumental records" and confirmed a "significant long-term warming trend."

The U.N. says greenhouse gases are nudging up temperatures and stoking climate change such as more heatwaves, floods, mudslides, desertification and rising sea levels.

Most decades in the past century have been warmer than the previous, according to the WMO:

2000-09 14.42 degrees Celsius (57.95F)

1990-99 14.25 C (57.65F)

1980-89 14.09 C (57.36F)

1970-79 13.93 C (57.07F)

1960-69 13.90 C (57.02F)

1950-59 13.85 C (56.93F)

1940-49 13.94 C (57.09F)

1930-39 13.87 C (56.96F)

1920-29 13.72 C (56.69F)

1910-19 13.60 C (56.48F)

1900-09 13.61 C (56.49F)
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