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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

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

How climate science is protecting military capability

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

Met Office daily weather: Contrasting conditions across the UK

mid-morning, spreading northeast through the day. Winds will be light at first but will widely become strong from the southwest, with gales, possibly severe, developing in many western coastal areas. After a cold start, with a widespread grass frost and local air frost, daytime temperatures

News

A changeable Easter weekend ahead

, 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

Met Office daily weather: Fine and dry heading towards the weekend

temperatures, though it may feel rather cool along windward coasts. Winds will be light to moderate, with locally fresh breezes along eastern shores. Met Office presenter and meteorologist, Alex Deakin, said: “Low cloud will seep inland for Thursday morning. It may take a while before it moves back

Met Office daily weather: Widely sunny spells to end the week

. Winds will be light to moderate for most, although a strong and gusty easterly breeze is forecast across southwestern areas. This may bring a fresher feel to parts of Devon and Cornwall, despite the sunshine. Temperatures will again be very warm or hot in the west, with highs around 30°C expected

News

Is there a heatwave on the way?

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

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