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• London Marathon 2025: Weather, records and event milestones

  The forecast for Sunday indicates that the southeast will experience a largely settled day with bright intervals, which are expected to be prolonged in the far south and southeast. Any fog or low cloud in these areas is expected to clear quickly, resulting in a fine day with light to moderate winds

• Jubilee weather forecast

  likely peaking at 22C in the southeast.   Although still open to some uncertainty, more settled weather is on the cards for most on Saturday and Sunday with patchy cloud and sunny spells, and only the odd spot of light rain, mainly across the far north. However, the far southeast could see some

• Snow for many parts of the UK

  Cold air either from Northern Europe, as at present, or from Canada later on, will cover the UK this week, bringing low temperatures. With the low temperatures, further snow is likely in places, the next batch as a front moves eastwards, bumping into the cold air and leading to some mostly light

• PowerPoint Presentation

  Heliospheric Imaging at L5 T.A. Howard & C.E. DeForest Southwest Research Institute, Boulder, CO, USA Predicting the St Valentine’s Day CME 2 White Light Imaging The Binding Agent Between Solar Observations, In-situ Measurements, and Modeling Problems With Coronagraphs Background removal Nature

• Turning colder and unsettled

  and carrots for example and newly planted lettuces and other plants but should 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

• PowerPoint Presentation

  : The percentiles shown in the map indicate a ranking of temperature, with the 0th percentile being the coolest and the 100th percentile being the warmest in the 1981-2010 climatology. Orange and red shading represent values above the 80th (Warm) and 90th (Hot) percentile, respectively; regions shaded in light

• 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

• Briefing on Arctic and Antarctic sea ice - August 2023

  extent lower than every year before 2007. Each year, scientific centres around the world submit predictions of September Arctic sea ice extent to the Sea Ice Outlook (SIO), a series of reports published in June, July and August by the Sea Ice Prediction Network (SIPN). The second report of the summer

• 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

• 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