BBC MO: - Still a bit of uncertainty come the end.
Monday 1 December Published at 10:00
Monthly Outlook
Summary
Are you dreaming of a white Christmas?
Mother Nature bid a fond farewell to the third warmest autumn on record over the weekend with lengthy spells of sunshine on Sunday, the last day of the season. Winter has now just set foot on our doors and it heralds a colder feel to our day to day lives. Fog, frosts, cold winds, occasional milder moments and even a peppering of snow over higher ground will make for an interesting few weeks as the ever complex UK weather continues to keep us on our forecasting toes.
Monday 1 December—Sunday 7 December
It really is time for the winter woollies.
If we had to wrap this week up in a headline, it would be 'turning colder'. The last few weeks have been generally mild and while temperatures will gently slide away to average or a little below average, it will certainly feel cold when compared to the mild days of autumn. Sunshine and rainfall will be below average across southern areas but northern areas rainfall should be around average .
During Monday and Monday night, a front will edge into north-western areas, bringing outbreaks of rain. As the front moves into south-eastern parts during Tuesday, it will largely run out of steam and become patchy in nature albeit with plenty of cloud lingering. It will leave clearer skies in north-western areas and the chance of wintry showers over the higher ground in Scotland; icy stretches will also be a risk.
Tuesday and Wednesday can be broadly described as a north-west south-east divide. South-eastern areas retain extensive cloud with the risk of patchy drizzle, along with a brisk north-easterly wind, making it feel very chilly. North-western areas are likely to see more sunshine during the day but with frosty conditions likely during the overnight period, although the Northern Isles are likely to escape the frost with windy conditions in its place.
Thursday into Friday show signs of a cold plunge of air arriving into northern areas. As it stands, we are not sure how far south this will reach. However, what we do know is that we are likely to see wintry showers pepping the far north-western areas, particularly over high ground and whilst we might see more in the way of sunshine in general, it will be tempered by a particularly nippy wind. These conditions are likely to last through to the weekend.
Monday 8 December—Sunday 14 December
High or Low - What does it all mean?
As the second week of December approaches, a north-south divide is the mostly likely scenario at the moment. Southern areas are likely to see high pressure influence the weather whereas northern areas are likely to see low pressure predominating. What does this mean? High pressure during the winter time usually implies more frequent occurrences of frosts and fog, below average rainfall and sunshine open to question as cloud often gets 'stuck' over the UK in winter. Northern areas will see more day to day variation in weather. Rain and wintry showers are likely to move quickly through, giving more varied temperatures, especially during the quieter periods seen between any frontal systems.
Monday 15 December—Sunday 28 December
What will Santa be wearing?
The big question on everyone's lips is 'will it be a white Christmas?'. If I had the answer to that, I would have bet on it a long time ago! While we do not know the weather will be on a day to day basis this far out, we can gauge some signals from long term computer models. Currently, those models signal that there is no one favoured type of weather expected. To expand on this a little more, we are not expecting long periods of high pressure nor are we expecting just low pressure. However, there are some signs that a more unsettled picture is on the cards bringing wet and windy conditions at times along with some colder and settled periods in between the various weather fronts that will move through.
Home Location - Kellands Lane, Okehampton, Devon (200m ASL)
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Sean Moon
Magical Moon
www.magical-moon.com