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to credible information on how climate change may impact extremes of weather for your local area over the coming years out to 2080. They provide a set of plausible outcomes for any given year, which is expected to be valuable to urban planners, local authorities and flood management practitioners

of clouds, exponentially distributed in size. First population always present: L = 160m Second population depends on organisation: L = 760m Convection Working Group Humphrey Lean Kirsty Hanley Km and sub-km scale UM over Southern UK 1500m 500m 200m 100m www.metoffice.gov.uk © Crown Copyright 2017, Met

Summary Arctic sea ice extent for September 2024 was joint-4th lowest on record. Areas of moderately low ice extent were evenly spread over most of the Arctic, though a small area of isolated ice survived in the Chukchi Sea Summer Arctic weather was warm early in the season but cool later

week following over two months of record or near-record lows (Figure 1).  Figure 1. Daily Arctic sea ice extent for 2019, compared with recent years and the 1981-2010 average with ± 1 and 2 standard deviation intervals indicated by the shaded areas. Data are from the National Snow and Ice Data Center

Storm Bert, 22 to 25 November 2024 A deep Atlantic low pressure system, named Storm Bert, brought a spell of extremely wet and windy weather in late November. The weekend of Saturday 23rd to Sunday 24th was exceptionally wet across South Wales and south-west England with over 150mm falling

times OFAM3 system Model timesteps OFAM3 - 900s ORCA12 – 360-240s • Accounts for factor of 2.5 over OFAM3 x10 ~ 4.2 (gridpoints) x 2.5 (timestep) Cost increases of ORCA12 system explained by increased domain, resolution and reduced timestep NEMO comparable efficiency to MOM5 Storage per DA cycle

experienced large waves and beach erosion, while over 200 homes in north-east Scotland lost power. The Great South Run in Portsmouth was cancelled due to safety concerns.  Storm Bert and Storm Conall: 21 to 27 November 2024  Storm Bert was a multi-hazard event, bringing heavy rain, strong winds

atmospheric, oceanic and terrestrial components. In order to make these measurements researchers rely on various technologies which can be broadly grouped into two distinct areas: on location (in-situ) measurements and remote sensing (namely satellite) techniques. Over the last few decades new

, Libya and Yemen. These countries experience high levels of vulnerability and have led over 15 million people to have become internally displaced. This has given rise to what the World Bank describes as one of “the worst refugee crises since the second world war”. The region’s climate is characterised

for the onset of the southwest monsoon begins during the pre-monsoon season from March to May, when rapid solar heating takes place over the land compared to the adjacent oceans, increasing the land-sea temperature gradient. The surface pressure over the land decreases with a trough of low pressure