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Volcanic ash

The London VAAC process

on the ground, mounted on an aircraft or satellite-based, and can be used to observe the location and vertical profile of aerosols such as volcanic ash. A lidar measures backscattered light from atmospheric targets e.g. aerosols including volcanic ash and Saharan dust, water droplets and ice crystals, using

News

Temperature extremes and records most affected by UK’s changing climate

totals are based on the average value across each county. Lead author and Met Office climate scientist, Mike Kendon, said: “Our new analysis of these observations really shines a light on the fastest changing aspects of our weather as a consequence of climate change. Long term averages can be difficult

Intensive testbed: Daily updates 2025

The intensive testbed with its main hub in Zambia and centres in Mozambique and South Africa, hit the ground running on 30 January 2025.

and nowcasts – sent every two hours. The morning’s forecasts predicted some heavy rainfall for Kanyama. While the team at ZMD experienced two brief but heavy showers during the morning, the Kanyama community observers reported that they experienced only light rain. This led to a discussion about how

minutes_pwscg_27_apr_16_final.pdf

PWSCG (36) Meeting 10:30 – 16:00 Wednesday 27 th April 2016 BIS Conference Centre, 1 Victoria Street Minutes Wyn Williams (WW) Denise Harker (DH) Mike Gray (MG) Paul Riches (PR) Sarah Jackson (SJ) Alessia Morris (AM) John Irvine (JI) Colin Hord (CH) Nathan Travis (NT) Ben Fletcher (BF) Andy

mwr_2024_06_for_print_v1.pdf

in the first two weeks roughly 2°C below average. The cool start to the month was due to northerly and northwesterly winds bringing cold Arctic air across the UK. A low pressure centre developed over Scandinavia in the second week of June, pushing further cold air from the north across the UK. Frontal

Consolidated RCC Assessments_24 Jan 2017

Regional Climate Centres in Africa Consolidated Capacity Needs Assessments Supported by: - 2 - Preamble In the light of the enormous challenges climate variability and climate change pose to societies, there is an urgent need to enable African countries to provide the best possible climate services

amazing-aurora-diy-activity.pdf

Amazing aurora Overview Space weather helps produce amazing light shows in the Northern and Southern Hemispheres – known as the aurora. Many people dream of experiencing this dazzling event that only occurs in a few places around the world. In this activity you’ll get a chance to research different

News

Christmas Forecast

some wet and windy weather at times and the chance of some snow in the north of the UK, as is often the case at this time of year.”  Stephen Basterfield, National Network Manager, at National Highways, said: “Even light or moderate rain can have an impact on visibility and vehicle performance, so

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Cold and unsettled weather for many

not greatly delay sowing and planting once conditions improve. Tender plants, petunias and tomatoes for example, won’t be put outside for another month at least but lower light affects greenhouses and will slow their growth.”   You can check the latest forecast on our website, by following us

Met Office daily weather: Unsettled with showers and sunshine

days 👇 pic.twitter.com/YzX2hYil3v — Met Office (@metoffice) July 20, 2025 Into the evening and overnight, light rain or drizzle will linger across the far north and northwest. Elsewhere, heavy showers in eastern and northeastern areas will be slow to decay, with some showery rain possibly persisting

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