Articles Tagged "World Temperatures"

On August 3rd and 4th a solar flare erupted from the surface of the Sun coincident with a sunspot equal in area to the Earth. Many people saw the associated increase in aurora visible in western North America as far south as Iowa. They were most visible in the auroral belt shown on the left, which is well north at this time of year.

Many prepared for other impacts and all sorts of hysterical predictions were made, including claims this was the start of increasingly severe activity leading to 2012. (Yes, the dreaded Mayan calendar year nonsense). The only thing that materialized was extensive and dazzling aurora displays.

NASA Continues Its Shameless Role As Chicken Little

Earlier in June 2010, NASA put out similar warnings about such solar storms. Dr. Richard Fisher, director of NASA’s Heliophysics Division warned Britain they faced, “…widespread power blackouts and be left without critical communication signals for long periods of time, after the earth is hit by a once-in-a-generation “space storm”. “It will disrupt communication devices such as satellites and car navigations, air travel, the banking system, our computers, everything that is electronic. It will cause major problems for the world.” “Large areas will be without electricity power and to repair that damage will be hard as that takes time.”

In the German edition of Ria Novosti, Russian scientist Oleg Pokrovsky of the Main Geophysical Observatory says the world should expect cooling – and not warming – and that this will interfere with Russia’s plans to exploit the Arctic’s rich resources. The climate has been cooling since 1998.

At a climate research conference for the Arctic and Antarctic in St. Petersburg, Friday, Pokrovsky said the Earth’s temperature fluctuates in 60-year cycles.

There isn’t going to be an ice age, but temperatures will drop to levels last seen in the 1950s and 1960s.

Pokrovsky adds:

Right now all components of the climate system are entering a negative phase. The cooling will reach it’s peak in 15 years. Politicians who have geared up for warming are sitting on the wrong horse.

The Northeast Passage will freeze over and will be passable only with icebreakers.

Pokrovsky also claims that the IPCC, which has prophesized global warming, has ignored many factors. He also noted that most American weather stations are located in cities where temperatures are always higher.

We don’t know everything that’s happening. The climate system is very complex and the IPCC is not the final truth on the matter.

When the Sun’s magnetic output is low, winters in Europe tend to be cooler than average – whereas higher output corresponds to warmer winters. That is the conclusion of a new study by physicists in the UK and Germany that looked at the relationship between winter temperatures in England and the strength of the Sun's magnetic emissions over the last 350 years. The group predicts that, global warming notwithstanding, Europe is likely to continue to experience cold winters for many years to come.

The possibility of a link between European winter temperatures and solar activity can be seen in historical records from the second half of the seventeenth century. For about 50 years the Sun remained free of sunspots (in contrast to its normal 11-year cycle of sunspot highs and lows) and at this time Europe experienced a number of harsh winters. Motivated by the fact that the relatively cold winters of the past few years have come at a time when solar activity fell to the lowest values for 100 years, Mike Lockwood of the University of Reading and colleagues set out to establish whether or not there is a strong connection.

Lockwood and colleagues used data from the Central England Temperature record. This provides monthly temperature data from several monitoring stations in central England all the way back to 1659 – the world's longest instrumental temperature record. The researchers first removed the estimated contribution from the warming recorded in the northern hemisphere as a whole over the past century – which is widely believed to have been caused by increasing levels of manmade carbon dioxide in the atmosphere. Hemispheric temperature records data back to 1850; to extend the analysis back to 1659 they used data from a number of different proxy sources, such as tree rings, isotope concentrations in stalagmites, sediment depths, lake heights and documentary evidence.

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We are supposed to be heading for the coldest winter in 30 years — but how does it measure up against the great chills of history?

There was no central heating to keep Britons warm between the 1500s and mid-1800s, a period known as ‘The Little Ice Age’.

This name was coined to tie together all the different global cooling events which took place, which produced the very coldest series of British winters for millennia.

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Left side: 1970-2007 trend in annual surface air temperature. Right sid: 2008 annual surface air temperature, shown as a departure from the 1971-2000 climatology.(Credit: NOAA)

Cool sea surface temperatures overrode warming

Cooler North American temperatures in 2008 resulted from a strong natural effect, and the overall warming trend that has been observed since 1970 is likely to resume, according to university and NOAA scientists.

“Our work shows that there can be cold periods, but that does not mean the end of global warming. The recent coolness was caused by transitory natural factors that temporarily masked the human-caused signal,” said Judith Perlwitz, lead author of the study and a researcher with the Cooperative Institute for Research Environmental Sciences, and NOAA Earth System Research Laboratory, both in Boulder, Colo. The paper will be published Dec. 8 in Geophysical Research Letters.

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