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into the northwest later in the day. Further southeast, it will be a drier day overall, with sunny spells developing after a cloudy start. Winds will be mostly light in the south, but moderate to strong further north, with the potential for coastal gales in the far northwest. Temperatures will remain warm overnight
be locally heavy with cumulonimbus cloud and thunderstorm activity. More organised rain or showers are likely to affect the far southwest later in the day. Winds will be light inland during the morning but will strengthen to moderate or fresh levels later, becoming strong along some coastal areas
yellow, orange and red respectively - and indicate regions with relatively good seasonal prediction skill. Regions with ROC score between 0.6 and 0.7 show skill at lower levels but still better than guessing or use of climatology. Grey or light blue shading is used when scores are below 0.6 (i.e. near or below to the 0.5 'no-skill' threshold, suggesting forecasts in these regions are currently little better than guesswork).
will attempt to move into the UK from the southwest on Friday morning, heralding the end of this impactful cold spell. Increasing cloud and light rain, perhaps preceded by a little snow, will begin to affect northwestern then northern parts of the UK through the weekend. Here, temperatures will be back
be locally heavy with cumulonimbus cloud and thunderstorm activity. More organised rain or showers are likely to affect the far southwest later in the day. Winds will be light inland during the morning but will strengthen to moderate or fresh levels later, becoming strong along some coastal areas
. Elsewhere, the majority will remain dry, though one or two light showers are possible, particularly over eastern England. The increased breeze may actually help to brighten things up in some areas, breaking up the cloud and allowing for occasional sunny spells. Temperatures and how it will feel
, but it is going to be weakening as it does so. So increasingly, that rain will be fairly light and patchy. There'll be some sunny spells developing up towards the north and west, with a scattering of showers and quite prolonged sunshine still holding on down towards the south and east. “It's here where
. The southeast will start cloudier but should see steady improvement. Later in the afternoon and evening, cloud and outbreaks of rain, initially falling as hill snow in Scotland, will move into Scotland and Northern Ireland. Winds will remain light to moderate, and it will be widely cold. Met Office presenter
the influence of high pressure. The exception however may be northwest Scotland where there is a reasonable chance of further wind and rain. “Christmas Day itself is likely to be settled, often cloudy, and dry with light winds for the majority. Once again, the far north may be windier, with a small chance
- this is the T+ n timestep • Forecast validity time - the time the forecast is valid for, calculated from the forecast reference time + forecast period • Severity value (1 = light, 2 = moderate, 3 = severe) • Vertical height as pressure levels • Polygon unique identifier (order in which polygons are generated
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