Will 2015 be Britain’s windiest year in two decades?

Source : Will 2015 be Britain’s windiest year in two decades? http://www.telegraph.co.uk/news/weather/11766178/Will-2015-be-Britains-windiest-year-in-two-decades.html

There have been just eight calm days this year in Britain because of more low pressure systems

Walkers struggle against the wind and rain

Windy weather has been more common than usual this year Photo: Matt Cardy/Getty Images

With gales battering the country it may come as no surprise to learn that 2015 is on course to be the windiest year that Britain has experienced for two decades.

The Met Office said that the traditional calmer months of summer have been dominated by low pressure systems which have brought blustery conditions to most of the UK.

Just eight days this year have been officially ‘calm’ which is defined when at least 20 British weather stations record maximum gusts of 11mph or less.

Fewer than 22 calm days over the whole year would make 2015 the windiest year since 1995.

Although it is only July and there’s still another five months to pass, crucially none of these days have fallen in May, June or so far July – months that would usually notch up a few calm “Calm days are typically associated with areas of high pressure, which normally bring dry, settled conditions during summer and cold, frosty conditions in winter – but common to both seasons often light winds,” said Mike Kendon, climate information scientist at the Met Office. days. And the year is now moving towards a seaonally more windy period.

“Areas of high pressure tend to block the prevailing westerly airflow across the UK. However, the variability of our climate means that some years see more days of high pressure, others see fewer such days,” he added.

Sea level pressure for the six months of the year has been lower-than-normal to north of Scotland but higher-than-normal to the southwest, resulting in a westerly airflow over the UK – and that has resulted in windier weather.

On Sunday the Met Office issued a weather warning for “unseasonably strong winds” in coastal areas that threaten to disrupt holidaymakers’ outdoor activities and cause hazardous driving conditions early in the week.

Forecasters warned gusts might exceed 50mph along the north coasts of Cornwall, Devon and Somerset, and also Bristol Channel coasts of south Wales.

It comes after wet weather swept in from the Atlantic on Sunday, bringing widespread heavy downpours and a washout end to the weekend, following a brief respite to the soggy summer on Saturday, when most of the country enjoyed dry conditions.

Provisional rainfall statistics for July 2015 so far suggest that with 5 days of the month remaining much of the country has already received close to or above average rainfall for the month – but we’re some way off breaking the records for each country.

The highest wind gusts ever recorded in the UK was 142mph in 1989 in Fraserburgh, Aberdeenshire.

How have your UK HAB flights been effected by the strong winds?

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