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warnings UK Storm Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes

warnings UK Storm Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes

The representation of clouds in weather and climate prediction.

Clouds redistribute heat and moisture through the atmosphere, as well as producing precipitation at the surface and reflecting solar radiation back out to space.  Their evolution can be very complex due to the interactions between the clouds themselves, radiation and fluid dynamics. Clouds act

Luke Howard, On the Modification of Clouds 1803

Howard, an amateur meteorolgist and professional pharmacist, devised the cloud classification scheme the basis of which is still in use today. The complete volume is available from our Digital Library & Archive. Howard was keen that his naming convention should bear no resemblance to any religious

. “What’s chiefly responsible for these thundery showers is that the UK is under the influence of low pressure, with daytime heating helping to develop unstable air which can be responsible for these bursts of heavy rain.” The unsettled theme is likely to continue on Wednesday, though the frequency

Friday will begin with rain and drizzle over the far southeast, which will return northwards across central and eastern England during the morning. Some heavier bursts are likely, but these should clear eastwards by early afternoon. Elsewhere, expect clear or sunny spells to start, with scattered

at first, before further showery precipitation moved into western and northern parts during the afternoon, but it remained mainly dry elsewhere. The 21st saw a lot of cloud, with bands of rain pushing north-eastwards, including some heavier bursts, but the far south-west became brighter with sunny

the afternoon, but it remained mainly dry elsewhere. The 21st saw a lot of cloud, with bands of rain pushing north-eastwards, including some heavier bursts, but the far south-west became brighter with sunny spells, triggering several thunderstorms, and isolated thunderstorms developed later in the West