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Dr Keith Williams Keith is the Head of Atmospheric Processes and Parametrizations and conducts research into process-orientated model evaluation. Dr Paul Barrett Paul leads research into the representation of clouds and radiation Dr Martin Best Martin manages the research undertaken on land surface

) and a sharp or rumbling sound (thunder). Thunderstorms are associated with convective clouds and are most often, but not necessarily, accompanied by precipitation at the ground. Cumulonimbus clouds (Latin: cumulus – heap; nimbus – rainy cloud) Heavy and dense cloud, of considerable vertical extent

School of Earth and Environment INSTITUTE FOR CLIMATE & ATMOSPHERIC SCIENCE A new approach to quantifying aerosol-cloud radiative effect through process-based constraints on climate model parameters Kunal Ghosh Lea Provost, Leighton Regayre and Ken Carslaw (ICAS, University of Leeds), Jill S

, though the far north can expect a scattering of showers. Later in the day, cloud will increase across western Scotland and the Northern Isles, bringing occasional rain or drizzle. Winds will be a notable feature in the north, with gusty conditions especially to the lee of hills, while the south

November due to the ongoing unsettled weather, with groundwater flooding an issue in parts of Dorset, and many rivers having burst their banks. Storm Debi on 13th brought the strongest winds to coastal areas of Northern Ireland and north-west England. A number of roads in Northern Ireland were blocked

current weather or environmental situations - for example, images of cloud-top height, fog coverage or ash clouds from a recent volcanic eruption. The image data can also be processed to form data-sets suitable for climate applications - for example, historical sea-surface temperature analyses

Thursday will bring largely settled conditions across the UK, with high pressure continuing to exert its influence. Most areas will remain dry, with the best of the sunshine expected in western regions. Elsewhere, cloud cover will gradually break up through the day, allowing sunny intervals

Areas of expertise Satellite imagery. Radiative transfer. Clouds and radiation.  Publications by Pete Current activities The work of Pete aims to enhance the use of existing and new satellite radiance observations in the weather forecasting process, via the development of value-added products from

or drizzle over the Midlands in the morning, and cloud increasing generally, with isolated showers in the north-west, and more general rain spreading into northern parts around evening. The 4th was generally cloudy but less cold, with rain affecting all parts except the far north, this rain clearing

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