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(DWD) to produce a harmonised, pan-European view of forecast turbulence.  Plus, the additional option of a polygon features service marking regions of low, moderate and severe intensity levels.    Output Units Turbulence intensity scale (0, 1, 2, 3 for nil, light, moderate, severe) Coverage Domain 29.5

autumn. This seasonality is caused by the amount of sunlight reaching the polar regions of the Earth which are virtually dark for 4 months over winter and light throughout the day for much of the summer. During the winter, in the absence of any sunlight, the sea ice insulates the ocean from

to be added in the right amounts to make the perfect system. • The first ingredient is energy from our Sun. The Sun importantly provides heat and light for the Earth. Hold up small button or a small ball of Blu Tack (this represents the Earth). Tell the group that if the Earth is this big, how big do we

and west with isolated showers in the far north. The night of the 6th/7th was cold in some places with a minimum of 0.9 °C at Tulloch Bridge (Inverness-shire), followed by another warm dry sunny day for most. The 8th and 9th were generally cloudier, with isolated patches of light rain, but it remained

- 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

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

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

. 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

for Saturday. READ MORE: 'Brutal' cold snap? 'Barrage of snow'? Met Office weather headline review “Generally, a fine day really for this time in October, but the cloud is starting to thicken further west and there could be a few light showers getting into maybe Devon and Cornwall and Northern Ireland

. 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