Thread: It's Chilly, But Record Cold Years Are Gone

It's Chilly, But Record Cold Years Are Gone


NOV 20, 2014 04:50 PM ET // BY ANDREA THOMPSON, CLIMATE CENTRAL

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A surge of Arctic air has left much of the continental United States shivering in unusually bitter November cold. But this early foray into winter weather is just a small blip in the overall global picture, which is of a warming world that is still on track to see 2014 set the mark for hottest year on record, the National Oceanic and Atmospheric Administration reported.

That warming — fueled largely by the manmade rise of greenhouse gases in Earth’s atmosphere — is so relentless, in fact, that the odds of seeing a record coldest year in the future are vanishingly small. As the animation below shows, the last time the world experienced a record-coldest year was in 1909, more than 100 years ago. But in that period, 17 records for warmest year have been set, with 2014 likely to be the 18th.

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Much of the central and eastern parts of the contiguous United States have been relatively cool all year, with a few states even possibly set to see a top 10 coldest year. But the year as a whole has actually been close to average for the country, and California is set to see its warmest year on record by a large margin.

The bigger picture is markedly different. The globe is bathed in warm spots, with the small cold spot centered over the Great Lakes area being just one of a handful of blue spots on the world map.

August, September and October of 2014 have all been the warmest such months on record, as shown by data from NASA, the Japan Meteorological Agency and NOAA, which released its October global numbers Thursday.

This single-year snapshot of the planet’s warmth fits with the pattern of ever-warmer temperatures that has been in place over the past century, particularly since the early 1980s as the warming fueled by an accumulation of greenhouse gases clearly emerged.

The animation shows just how much warmth has dominated the temperature records since they began in 1880.

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Record cold years are plentiful in the early decades, but they stop in 1909. From there, it’s a steady march upward, with the expected year-to-year ups and downs that come from natural variation.

Warm records are set through the 1930s and 40s, with a long stretch of no records until the 1980s, when the global warming signal firmly emerges from the noise of natural variation.

http://news.discovery.com/earth/weat...one-141120.htm

http://www.alipac.us/f19/planet-cali...record-314861/