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• Met Office daily weather: Changeable conditions for the start of the week

  Today, the Northern Isles and far north of mainland Scotland will see persistent cloud and outbreaks of rain, heavy at times, gradually easing later in the day. Elsewhere across northern Britain, expect variable cloud cover with scattered showers, particularly frequent and heavy in northwestern

• Met Office daily weather: Settled conditions, sunny spells, and chilly nights on the way

  to the seasonal average. We've got a change in type this week with high pressure dominating ⛅ Here's the latest on the week ahead 👇 pic.twitter.com/LIKwKshdrT — Met Office (@metoffice) September 21, 2025 As we move into Wednesday night, clear spells will persist for many, with some residual cloud lingering

• Aerosols

  particles, such as sulphate from industrial sulphur dioxide emissions; smoke from burning of agricultural waste, and pollution particles from traffic emissions. These atmospheric particles scatter and absorb sunlight and terrestrial radiation and also act as cloud condensation nuclei and modify

• Met Office daily weather: Autumnal sunshine to return this weekend

  This weekend’s weather offers a mix of autumnal cloud, sunshine, and chilly nights.

  Saturday will begin on a cloudy note for much of the country, with the most persistent cloud and outbreaks of rain or drizzle affecting northern and north-western parts of Scotland. Breezy conditions will accompany the rain here, making for a rather damp and unsettled start. Across southern areas

• Temperatures rising through the week with some wind and rain on the way

  variable cloud and a scattering of showers following.    Temperatures throughout the day will be around average or slightly higher than average in places with highs of 19°C, although cooler in the Southeast with the focus of higher temperatures further North and West.    Wednesday evening will see

• Met Office daily weather: Widespread heat across the weekend

  in some locations. Parts of Scotland and Northern Ireland may also see highs exceeding 30°C. The hot weather continues into the weekend, here's the expected maximum temperatures 🌡️ East coasts will be cooler with the breeze and some low cloud pic.twitter.com/Fq2GmgFYZm — Met Office (@metoffice) July

• Satellite image of the month - 2016

  is cloud free and surface features such as coastlines, the snow-covered Alps and variations in the Northern Sahara desert surface are clearly visible. Geostationary satellites orbit at around 36,000 km above the Earth's surface and have an orbital period of one day, meaning they remain at a fixed

• Met Office daily weather: Temperatures to peak into the mid 30s

  Tuesday begins with areas of cloud and showery rain, some locally thundery, affecting central and southern regions. These outbreaks will gradually move north-eastwards, allowing increasing amounts of hot sunshine to develop across much of England and Wales by the afternoon. Scotland and Northern

• Met Office daily weather: Change on the horizon as cooler temperatures give way

  Tuesday will begin on a notably chilly note, particularly across northern and western regions. However, conditions will improve through the morning, with many areas enjoying a dry day accompanied by sunny spells. Some cloud may build during the afternoon, especially in central and eastern areas

• mogreps-uk-documentation.pdf

  , particularly between day and night. The boundary layer depth is simply the current thickness of this layer. Fraction of horizontal grid square occupied by cloud below 1000 feet above sea level. Time steps J kg-1 0.1 [None] Hourly (1h-126h) J kg-1 0.1 [None] Hourly (1h-126h) J kg-1 0.1 [None] Hourly (1h