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Thunderstorms are associated with numerous hazards including heavy rainfall and lightning. In addition to these hazards, tiny ice crystals can form within the storm’s rapidly growing clouds. These high-altitude crystals can be particularly dangerous to aircraft as they can stick to aircraft

, variable cloud and clear spells will occur, with local grass frost and isolated fog patches forming. Friday will feel warm in sunshine and light winds for many, with temperatures widely ranging from 15-17°C, locally reaching 18°C, though cooler along North Sea coasts. On Friday night, frontal rain across

A noticeable increase in cloud cover across much of the UK compared to recent days

Saturday will bring a noticeable increase in cloud cover across much of the UK compared to recent days, though parts of the south and southwest will enjoy the best of the sunshine. Scattered showers are expected, particularly in western areas, with Northern Ireland likely to see more persistent

A fine and settled day is expected across much of England and Wales, with early patchy low cloud and isolated fog in southern and western areas soon clearing to leave widespread sunshine. Temperatures will respond accordingly, with much of the region turning warm or very warm through the afternoon

Leader pack Sessions 1-3 What is temperature? What is wind? What are clouds? Measuring the weather VIRTUAL Science Camp 2021 Thank you for joining us for the first Virtual Science Camp 2021! Since 2013 we have welcomed over 1,500 young people to Met Office HQ for our Science Camps. However, due

Paul is manager of the Clouds and Radiation team in Atmospheric Processes and Parameterisations Group. He brings a wealth of process level understanding of clouds and aerosol-cloud interactions.

Areas of expertise Process level understanding of atmospheric cloud and aerosol microphysics Observations experience and understanding of global cloud systems, including tropical, mid-latitude and Arctic. Leadership of international scientific research projects Paul's Publications Current

cloud amount Hourly 75 22. Medium cloud amount Hourly 74 23. Low cloud amount Hourly 73 24. Total cloud Hourly 71 25. Convective cloud amount Hourly 72 26. Convective cloud base (hPa) Hourly 153 27. Convective cloud top (hPa) Hourly 154 28. Cloud fraction (below 1000ft ASL) Hourly 207 29. Height lowest

region. From this viewpoint at 35,000 km above the Equator the extent of the fog can clearly be seen. Using data from channels detecting radiation at visible and near infra-red wavelengths we can produce an image that is close to true colour, however ice clouds and snow on the ground appear

-colour image highlights where snow is lying on the ground. They are created using five channels in the near-infra-red part of the spectrum so things look a little different to what the human eye would see. Snow can be easily differentiated from the white cloud as it now appears in a bright orange

The weather is set to bring a largely dry and settled spell midweek, with a mix of sunshine, cloud, and cooler conditions in some areas.

Wednesday will see most parts of the country enjoying fine and dry weather, with variable cloud cover and sunny intervals. However, the sunshine may appear hazy at times due to patches of medium and high-level cloud. The far north and parts of the east and southeast could see more persistent cloud