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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

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

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

Hadley Centre, FitzRoy Road, Exeter, Devon EX1 3PB, UK e-mail: [email protected] of the RCMs are often different than the driving GCMs and arguably more credible given the improved performance of the RCM. This also suggests that local climate forcing will be a significant driver

should soon fade. Through the day cloud will increase from the northwest and could be thick enough for light rain or snow over higher ground in the north. Milder, more unsettled conditions will reach north-western parts of the UK before the end of the day. Boxing Day Saturday will see a return

: “The UK will have a sunny start to April this week. Temperatures will slowly build, with highs of 21-22°C possible by Thursday and Friday. Other than a small chance of some light rain grazing the far southwest of England it will be a dry week too. At this time of the year, we do start to see higher UV

The start of the week will be fine and dry with sunny spells for many in England and Wales. However, a series of weak fronts will push into Scotland and Northern Ireland bringing cloudier weather here with a chance of some light rain, especially across the northwest. From Wednesday onwards while

be compromised by future environmental conditions. This ranged from the Queen Elizabeth-class aircraft carrier all the way to individual small arms and light weapons. The environmental operating limits of these capabilities were obtained from their design documents and compared to the climate

, many parts will enjoy some  sunny spells, with light winds and temperatures around average. “Easter Sunday looks to be the widely drier day of the weekend. Cloud amounts will vary, but most places should see some bright or sunny spells at times. Parts of the far south and west may remain cloudier

, with the odd isolated shower elsewhere. Later in the day, cloud and some patchy rain will spread into the far northwest, where it will also become windy. Elsewhere, winds will be mainly light to moderate, and temperatures will be around average for the time of year. Met Office presenter