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Harsher Winters Not Inconsistent with Global Warming
Global warming linked to harsh winters
Irishtimes.com, Dec. 20, 2010
The cold spell Ireland and the rest of northern Europe has been experiencing may, paradoxically, be the result of global warming, rather than evidence it is not happening, according to the most recent scientific research.
The Journal of Geophysical Research suggested a link between diminishing levels of sea ice in the Arctic and an increased probability of harsh winters across Europe, saying these “do not conflict the global warming picture, but rather supplement it”.
As HSBC Global Research noted in its latest report, If the World is Warming, Why is it so Cold?, “climate change involves profound disruptions in global average temperatures. But as individuals we only experience local weather.” And “coming on the back of the unusual cold winters of 2009-2010, this cold spell has caused some commentary that global warming is over”. The explanation they offer is that the “warming trend is not uniform, and northern Europe has shown considerable cooling this winter”.
Despite the cold spell here, “almost all the areas of the world have shown considerable warming . . .”
According to the British Met Office, “although La Niña has stabilised, it is still expected to affect global temperature through the coming year. This effect is small compared to the total accrued global warming to date, but it does mean that 2011 is unlikely to be a record year.”
Last week, the US National Aeronautics and Space Administration (Nasa) published the global temperature figures for January to November 2010, showing that this 11-month period has been the warmest since instrumental records began 131 years ago.
“High temperatures in 2010 have also been matched by a series of extreme weather events across the world, including droughts and floods in China, India, Pakistan, Russia, and the US,” the HSBC report noted. “But are these driven by man-made global warming?
“Nasa’s James Hansen is clear: ‘Would these events have happened if atmospheric carbon dioxide had remained at its pre-industrial level of 280 parts per million?’ His answer is ‘almost certainly not’.”
Essentially, the sequence of events this year matches the projections of the Intergovernmental Panel on Climate Change of “more frequent and more intense extreme weather events due to global warming”, according to the World Meteorological Organisation.
Global warming linked to harsh winters - The Irish Times - Mon, Dec 20, 2010
The question to my friends is why wouldn't a ice free area of ocean that normally is covered by ice not effect the Atmosphere in ways that could cause more blocking over the Atlantic, which case would cause this? For one lets compare a year like 1997 that has a cool MDR and warm subtropical area north of 20-30 north. First of all the "heat/warm sst's" promotes rising air and low pressure...So you have your hurricanes not developing with this, but on the other hand one of the factors that make la nina years so able to develop tropical cyclones is the warm mdr or tropical area between Africa and the caribbean islands south of 20 north...With cooler sst's to the north, which promotes sinking air within those area's, which is high pressure. This is why years like 1996, 1999, 2004, 2008 where quite active...Yes last year had a huge trough over the western Atlantic, which moved all the cyclones out to sea, but the power of the cyclones where more in terms of 1999. So we see here how surface temperatures can effect the Atmospheric circulations. So why do you disagree with a ice free Hudson bay causing possible climate changes on europe and eastern US.
Lets say a super volcano went off under the arctic ocean tomorrow and melting all the fucking ice...You bet your ass that there would be huge climate and weather changes.
Global warming linked to harsh winters
Irishtimes.com, Dec. 20, 2010
The cold spell Ireland and the rest of northern Europe has been experiencing may, paradoxically, be the result of global warming, rather than evidence it is not happening, according to the most recent scientific research.
The Journal of Geophysical Research suggested a link between diminishing levels of sea ice in the Arctic and an increased probability of harsh winters across Europe, saying these “do not conflict the global warming picture, but rather supplement it”.
As HSBC Global Research noted in its latest report, If the World is Warming, Why is it so Cold?, “climate change involves profound disruptions in global average temperatures. But as individuals we only experience local weather.” And “coming on the back of the unusual cold winters of 2009-2010, this cold spell has caused some commentary that global warming is over”. The explanation they offer is that the “warming trend is not uniform, and northern Europe has shown considerable cooling this winter”.
Despite the cold spell here, “almost all the areas of the world have shown considerable warming . . .”
According to the British Met Office, “although La Niña has stabilised, it is still expected to affect global temperature through the coming year. This effect is small compared to the total accrued global warming to date, but it does mean that 2011 is unlikely to be a record year.”
Last week, the US National Aeronautics and Space Administration (Nasa) published the global temperature figures for January to November 2010, showing that this 11-month period has been the warmest since instrumental records began 131 years ago.
“High temperatures in 2010 have also been matched by a series of extreme weather events across the world, including droughts and floods in China, India, Pakistan, Russia, and the US,” the HSBC report noted. “But are these driven by man-made global warming?
“Nasa’s James Hansen is clear: ‘Would these events have happened if atmospheric carbon dioxide had remained at its pre-industrial level of 280 parts per million?’ His answer is ‘almost certainly not’.”
Essentially, the sequence of events this year matches the projections of the Intergovernmental Panel on Climate Change of “more frequent and more intense extreme weather events due to global warming”, according to the World Meteorological Organisation.
Global warming linked to harsh winters - The Irish Times - Mon, Dec 20, 2010
The question to my friends is why wouldn't a ice free area of ocean that normally is covered by ice not effect the Atmosphere in ways that could cause more blocking over the Atlantic, which case would cause this? For one lets compare a year like 1997 that has a cool MDR and warm subtropical area north of 20-30 north. First of all the "heat/warm sst's" promotes rising air and low pressure...So you have your hurricanes not developing with this, but on the other hand one of the factors that make la nina years so able to develop tropical cyclones is the warm mdr or tropical area between Africa and the caribbean islands south of 20 north...With cooler sst's to the north, which promotes sinking air within those area's, which is high pressure. This is why years like 1996, 1999, 2004, 2008 where quite active...Yes last year had a huge trough over the western Atlantic, which moved all the cyclones out to sea, but the power of the cyclones where more in terms of 1999. So we see here how surface temperatures can effect the Atmospheric circulations. So why do you disagree with a ice free Hudson bay causing possible climate changes on europe and eastern US.
Lets say a super volcano went off under the arctic ocean tomorrow and melting all the fucking ice...You bet your ass that there would be huge climate and weather changes.
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