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In September, as the sun starts to set over the Arctic, the annual cycle of summer sea ice melting draws to a close. As the influence of the Sun's rays decreases, the ocean surface cools, the sea begins to freeze once again and the sea ice cover expands. When quantifying the amount of sea ice

, with 47 lives lost. The wind speeds were comparable to those in 1987, but higher over parts of southern England and Wales. Once again there were disruptions to power supplies and to transport, particularly to road transport because of fallen trees and overturned vehicles. There was also considerable

efforts to limit the temperature increase even further to 1.5°C”. It is therefore important to assess the long-term change in our climate so we can track where we are relative to the Paris goals. One way to do this is to take the observed warming trend over the last 15 years as a reasonable gauge

. Download previous reports issued in June from 2007, 2008, 2009 and 2010. Background 'Tropical cyclone' is the generic term for a low-pressure system over tropical or subtropical waters, with intense convective activity (e.g. thunderstorms) and winds circulating in an anticlockwise direction

system will also bring heavy rain to much of the UK, but the heaviest rain is expected in southern and western areas with 20 to 25mm quite widely across the region but up to 40 to 60mm potentially over higher ground.  Heavy and persistent rain will fall onto already saturated ground bringing a risk

The current cold weather is being influenced by a polar maritime air mass with its origins over Canada. This is expected to continue affecting the UK for much of the next week, with only brief milder interludes affecting southern parts of the country. For an insight into the longer-term prospects

document)  For more information, please refer to the project news webpage update on 4 August 2022. Key results spreadsheet A spreadsheet summay of the key results from UKCP based on the Probabilistic Projections. Key results (Excel spreadsheet) Climate change projections over land Pre-prepared images

on schools, utilities and health care. Weather data The analysis chart at 1200 UTC 7 November 2019 shows the low pressure centred over the UK with an occluded front stretching across northern England. The satellite image on 7 November 2019 shows the occluded front responsible for the persistent

Storm Ciara Storm Ciara was the third named storm of the 2019/2020 season and the most severe storm of the winter season so far. Amber warnings were issued for both strong wind and heavy rain. Winds gusted at over 60Kt widely across England and Wales and in terms of gust speeds this was the most

in the Central Arctic and in the Laptev and Kara Seas north of Siberia (Figure 4a). The most notable feature of the summer circulation was a high-pressure ridge over Siberia, most prominent from mid-June to mid-July. As well as circulating very warm air into the Arctic Ocean itself, this caused a notable