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Are we set for a long, cold Winter? by Adrian Lee
Friday, September 23rd 2011, 3:23 PM GMT
Co2sceptic (Site Admin)
THE leaves haven’t yet fallen from the trees and the forecasters are already predicting a bleak start to winter.

After one last sunshine bonanza at the end of next week, when the mercury is set to nudge the mid-20Cs, it will be time to batten down the hatches. According to several forecasters, if you thought last year was bad you ain’t seen nothing yet. Snow by the end of October is just one of the gloomy predictions unveiled in the latest batch of attentiongrabbing long-range forecasts.

The weather is now big business, worth an estimated £500million to companies now rivalling the Met Office and playing a key role in the economy. There’s huge pressure to gaze into the future, allowing us all to make plans. In fact, some companies are now producing forecasts for the next nine months, although stressing they can only be a guide. With the British weather notoriously fickle and prone to change over a matter of hours, how on earth can the forecasters look so far ahead?

It’s done by studying a complex mix of factors, including previous conditions at any given time of year. Even now the temperature of the sea surface in the equatorial part of the Pacific Ocean will have an impact on the British winter to come. If it falls lower than normal for several months, the phenomenon is known as La Niña. The most dramatic effects are seen nearby but La Niña can have an impact on weather thousands of miles away. It influences the jet stream, an intense upper air current that helps the creation of the low pressure fronts which sweep across Britain from the Atlantic, normally bringing wet, mild weather.


Click source to read several forecasts inc. Piers Corbyn
Source Link: express.co.uk