Stunning Drop In Global Temperatures As El Niño Warming EndsPosted: November 28, 2016
The controversial global warming aka climate change “hiatus/pause”, lingering like a bad smell to climate alarmists for nearly two decades, is back in play with a record drop in global temperatures since the middle of the year.
Temperatures are heading south rapidly. The latest huge drop despite record and increasing CO2 emissions.
Must be nearing revision time for the theory of Catastrophic Global Warming with regards to CO2-sensitivity?
Via GWPF :
(Bolds added by Climatism)
RECORD DROP IN GLOBAL TEMPERATURES AS EL NINO WARMING ENDS
Global average temperatures over land have plummeted by more than 1C since the middle of this year – their biggest and steepest fall on record. According to satellite data, the late 2016 temperatures are returning to the levels they were at after the 1998 El Nino.
The news comes amid mounting evidence that the recent run of world record high temperatures is about to end.
The fall, revealed by Nasa satellite measurements of the lower atmosphere, has been caused by the end of El Nino – the warming of surface waters in a vast area of the Pacific west of Central America.
Some scientists, including Dr Gavin Schmidt, head of Nasa’s climate division, have claimed that the recent highs were mainly the result of long-term global warming.
Others have argued that the records were caused by El Nino, a complex natural phenomenon that takes place every few years, and has nothing to do with greenhouse gas emissions by humans.
The new fall in temperatures suggests they were right.
Big El Ninos always have an immense impact on world weather, triggering higher than normal temperatures over huge swathes of the world. The 2015-16 El Nino was probably the strongest since accurate measurements began, with the water up to 3C warmer than usual.
It has now been replaced by a La Nina event – when the water in the same Pacific region turns colder than normal.
This also has worldwide impacts, driving temperatures down rather than up.
The satellite measurements over land respond quickly to El Nino and La Nina. Temperatures over the sea are also falling, but not as fast, because the sea retains heat for longer.
This means it is possible that by some yardsticks, 2016 will be declared as hot as 2015 or even slightly hotter – because El Nino did not vanish until the middle of the year.
But it is almost certain that next year, large falls will also be measured over the oceans, and by weather station thermometers on the surface of the planet – exactly as happened after the end of the last very strong El Nino in 1998. If so, some experts will be forced to eat their words.
Last year, Dr Schmidt said 2015 would have been a record hot year even without El Nino.
‘The reason why this is such a warm record year is because of the long-term underlying trend, the cumulative effect of the long-term warming trend of our Earth,’ he said. This was ‘mainly caused’ by the emission of greenhouse gases by humans.
Dr Schmidt also denied that there was any ‘pause’ or ‘hiatus’ in global warming between the 1998 and 2015 El Ninos.
But on its website home page yesterday, Nasa featured a new study which said there was a hiatus in global warming before the recent El Nino, and discussed why this was so. Last night Dr Schmidt had not returned a request for comment.
However, both his own position, and his Nasa division, may be in jeopardy. US President-elect Donald Trump is an avowed climate change sceptic, who once claimed it was a hoax invented by China.
Last week, Mr Trump’s science adviser Bob Walker said he was likely to axe Nasa’s $1.9 billion (about £1.4 billion) climate research budget.
Other experts have also disputed Dr Schmidt’s claims. Professor Judith Curry, of the Georgia Institute of Technology, and president of the Climate Forecast Applications Network, said yesterday: ‘I disagree with Gavin. The record warm years of 2015 and 2016 were primarily caused by the super El Nino.’
The slowdown in warming was, she added, real, and all the evidence suggested that since 1998, the rate of global warming has been much slower than predicted by computer models – about 1C per century.
David Whitehouse, a scientist who works with Lord Lawson’s sceptic Global Warming Policy Foundation, said the massive fall in temperatures following the end of El Nino meant the warming hiatus or slowdown may be coming back.
‘According to the satellites, the late 2016 temperatures are returning to the levels they were at after the 1998 El Nino.
The data clearly shows El Nino for what it was – a short-term weather event,’ he said.
Further analysis from Paul Homewood’s excellent site Not A Lot Of People Know That :
Rose uses satellite data for his graph, but the NOAA surface data for land also gives a stark picture:
Even NOAA admit that October was by far the coldest over land since 2001, despite the fact that are we still awaiting the start of La Nina.
It is also becoming increasingly apparent that this year’s El Nino event is the strongest one at least for the last 60 years, more powerful than 1983/3 and 1997/8.
Whilst it has not peaked quite as high, it has been much more longer lasting.
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