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and areas for model improvement are prioritised through engagement with model user groups. Process Evaluation Groups and working groups address priority areas of research such as convection and ensemble spread. In addition, the team provides evaluation, development and support for the 300m London model and maintains and develops RAD Trialling Suites to make then more user friendly, robust and computationally efficient.

, FSA, EA; developed during and since the response to the Fukushima-Daiichi 2011 accident.  Volcanic ash modelling to support the Met Office’s role as the London VAAC; used during the eruptions of Eyjafjallajökull in 2010 and Grimsvotn in 2011 and continues to be developed.   Development and support

England and Wales overnight 26 to 27 December. The strongest winds were across Wales, south-west and southern England, where this was one of the most powerful storms of the year. Impacts Fallen trees caused disruption to rail services in the south-west, south-east and London, while Dover to Calais

was near average in some western areas, but well above average further east, with over 200% of normal for London and the south-east and also parts of Aberdeenshire and Moray. Sunshine was particularly low for much of England and Wales, with only the south of Northern Ireland and the Isle of Man

being evacuated. Meanwhile a wildfire in Dagenham, east London on the 15th saw further house evacuations with around eight hectares of land scorched, according to local Fire and Rescue service reports. The 12th saw temperatures reaching 33C in Cardiff and on the same day there were reports of the heat

into Friday, apart from the fact that we'll start to see that heat build even further, with very high UV levels in some areas. The Greater London area could potentially see temperatures of 31°C, and quite widely temperatures will be in the high 20°Cs across many central and southern areas of England

Team led by P. Bye. Two volumes: Initial assessment, Final assessment, published London, Easter Floods 1998 Independent Review Team, 1998 - copies available in Met Office Library. Easter 1998 floods, M.W. Horner and P.D. Walsh, Water and Environment Journal, 14, 415-418, 2007. Last updated: 25 October 2012 © Crown Copyright

London VAAC uses the NAME (Numerical Atmospheric-dispersion Modelling Environment) model, driven by 3D time-evolving meteorological fields from the Unified Model (NWP). This incorporates:  Eruption Source Parameters (ESPs): Ash release location, height, amount, ash properties and timing.  Observational

. The highest temperatures are again expected in the southeast, where they could peak at 30°C in London. Elsewhere, temperatures widely looking at 25 to 28°C. Some low cloud with mist and fog for western parts of the UK on Tuesday morning Light rain and drizzle across Northern Ireland and western Scotland

not been consistent across the UK. London, East Sussex and Hampshire receiving 140% to 150% of average summer rainfall and the Isle of Wight exceeding 200%. However, much of the UK saw below average rainfall and when averaged out across the whole nation, the UK received 75% of its average rainfall