*November* It looks as if low pressure will at first be anchored to the west or southwest High pressure sitting over the UK, at this time of year is a recipe for typical autumnal weather; we will be chasing areas of cloud, determining the exact characteristics of the daily weather from area to area, a broad overview being essentially dry, settled and for the most part cool, offset by pleasant mid-autumn sunshine. Overnight mist and fog is highly likely as is frost, this will however be determined by cloud amount, winds mainly light to variable. The Atlantic takes over through the middle period, so milder and more unsettled conditions sweeping eastward later with a generally westerly for a time, high pressure builds back again, so settled weather establishing once more. The centre of the high will drift around, the peripheral areas seeing more cloud from time to time and perhaps patchy rain or drizzle, as high pressure edges westward towards the end of the month it is possible that the first plunge of 'true' Arctic air could push south, some snow showers for a time over northern hills and mountain tops. A colder and frosty end to the month is anticipated as this colder air becomes trapped beneath a developing area of high pressure. *December* Cold air and settled weather may character the opening few days of the month, this however looks as if it'll be shunted out of the way by low pressure and milder Atlantic conditions, rain and strong winds for all areas and perhaps preceded by some temporary wintry mixture across the north of the UK. The Atlantic may rule the roost for the first 10 days, thereafter winter is indicated to unfold in perhaps quite a dramatic fashion. Low pressure looks as if it'll be halted over the UK as pressure builds to the east and north of the UK, a southerly flow swinging into the southeast and east, much colder continental air being drawn into the country, wintry precipitation perhaps widespread. The confidence on the exact detail of mid to late December is not high at this extended range, save to say that the indications are that winters 'opening salvo' may be quite brutal, mainly cold and wintry for a time. Too early to say whether this cold weather will extend into the Christmas period just yet, winter 2011-12 may see some 'chopping and changing', but essential the prognosis is 'rather cold and lengthy'? Simon Email me at simon.keeling@weatheronline.co.uk
Source: http://feeds.weatheronline.co.uk/~r/weatheronline/~3/Y6xPmeVXu-g/reports
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