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Monthly weather forecast for the UK
Topic Started: 24 Mar 2015, 12:37 AM (98 Views)
Audi-Tek
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Monthly weather forecast for the UK.


Updated 23rd March
Covering the period 30th March - 21st April

Overview
Wet start, turning quieter towards mid-April

Temperatures during this period will be 0.5 to 1C below the 1981-2010 average in almost all parts of the country, although Wales and south-west England will be very close to average.

Rainfall totals will be near or slightly above average in southern, central and south-eastern England due to the wet first week, but elsewhere they will be below average, with western Britain likely to see the largest overall deficits.

Sunshine totals will be slightly below normal in the south and east of England and also in eastern Scotland, but it will be sunnier than average in the west of the country, and near average sunshine is expected elsewhere.

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Weekly Breakdown
Monday 30th March - Sunday 5th April
The weather will be very unsettled during this week as low pressure will become increasingly dominant to the north and north-east of the British Isles, with high pressure to the south retreating and becoming increasingly confined to the Azores. With mild tropical maritime air and cold polar maritime airnasses frequently meeting over the British Isles, frontal systems will bring plenty of organised rainfall during the first half of the forecast period, especially in central and southern parts of Britain. Scotland is more likely to be affected by a mix of sunny intervals and showers for most of the time. It will be colder than average in Scotland, but warmer than average in most parts of England and Wales, but the warmth will be down entirely to high night-time minima.

The second half of the period is expected to be less wet in central and southern Britain, but still with frontal systems moving across the country at intervals bringing dull wet weather. In between the frontal systems the weather will be somewhat brighter with some scattered showers, most of the showers in the north of the country. Temperatures during the second half of the week will be slightly below the seasonal average, but with snowfalls restricted to high ground, and mainly just in the north.

Temperatures overall will be about 1C below the 1981-2010 average for much of Scotland, but 0.5 to 1C above in southern England, and close to average elsewhere. Rainfall totals will be above average almost everywhere, especially so in south-east England and East Anglia, Lincolnshire and the Midlands, but will be close to average in northern and eastern Scotland. Sunshine totals are expected to be near or slightly above the seasonal norm in most parts of Scotland but rather below in Northern Ireland and in England and Wales, especially in central and southern England.

Monday 6th April - Sunday 12th April
High pressure will re-establish in the eastern North Atlantic and will increasingly ridge eastwards towards the British Isles, turning the weather more settled, but often on the cool side with frequent north-westerly winds. The weather will be quite changeable with frontal systems bringing some light rain at times, particularly to northern and western parts of the country, and in between there will be brighter showery weather with the majority of the showers in northern and eastern Britain, where there may be hail quite widely at low levels, but snow is likely to be confined to high ground, and mainly in the north. Drier brighter weather will become more frequent late in the period, particularly in Wales and south-west England and Northern Ireland, due to the proximity of the ridging high pressure to the west.

Overall, temperatures will be a degree or two down on the long-term average during this period. Rainfall totals are likely to be close to normal in most central and eastern parts of the UK but it will be drier than average in the west. Sunshine will generally be near or above average, with western parts of the country generally sunnier than average and central and eastern parts of the country having close to or slightly above average sunshine.


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