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No Likelihood Weather and chance of precipitation at 800m Time 06:00 09:00 12:00 15:00 18:00 21:00 Partly cloudy (night) Cloudy Light rain Light rain Heavy Rain Light rain Precipitation probability 10% 10% 40% 50% 60% 50% Forecast for Thursday 11 Dec 2025 2025-12-11 Weather: After a dry start cloud

: After a dry start cloud will increase and thicken through the morning with rain spreading northeast through the afternoon. Severe gale summit winds will gradually decrease through the day. Chance of cloud-free hill tops above 800m: 30% soon lowering 10%. Low Cloud and visibility: Early cloud with base

of maritime and continental influences; the air is likely to be warm and predominantly dry, generating fair weather clouds but also some lower cloud bases in moister air to the west. The presence of an upper cold front to the east of England complicates the picture somewhat and will need investigating. What

Its primary uses are for the modelling of clouds and atmospheric flows. The results of these simulations help us to develop the physics parametrizations in the Unified Model. LEM use and collaboration A number of process studies have been carried out using the LEM, including those within the GASS

and Wales. However, the main story for tonight is not the space weather, but the terrestrial weather. Most areas across the UK are expected to experience significant cloud cover, which will severely limit the chances of seeing the aurora. Even in regions where geomagnetic activity is strong enough

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

Mid-May brings mostly dry, settled UK weather, but slight changes in temperature and cloud cover will influence how each day feels across the country.

As we move through the middle of May, the UK continues to experience largely dry and settled weather, though subtle shifts in temperature and cloud cover will shape the feel of the days ahead.  Wednesday will bring a mix of sunshine and isolated showers, with most areas staying dry. The only

across parts of northwest Scotland and possibly the north of Northern Ireland, where it will remain breezy. Elsewhere, light winds and variable cloud cover may bring the odd light shower, but these will be isolated. 🌡️ Heat is building across the UK this week, temperatures could reach 32-33°C

, with some sunny spells breaking through, most reliably to the west of hills in the south. Temperatures on Friday are expected to be slightly higher in western and south-western areas if cloud cover clears, with some downslope winds providing a boost. Isolated spots could reach 16 to 17°C. Overnight

Jonathan works on cloud microphysics modelling, with the specific interest of lightning parametrization and the forecasting of lightning activity.

Areas of expertise Cloud Microphysics Lightning and atmospheric electricity Ground-based and spaceborne radar and lidar Cloud-aerosol interactions Numerical modelling and parametrization development Publications by Jonathan Current activities Jonathan is a senior scientist working in the fields