At the end of January 2012 the Department for Environment, Food and Rural Affairs (Defra) published the first Climate Change Risk Assessment (CCRA) outlining the potential impacts of climate change on the United Kingdom (UK). The largest risks identified in the report concern water, with summer shortages and winter flooding expected to become more commonplace […]

Computers are no longer getting faster, they are just getting bigger. So in order to be able to do more detailed and accurate weather and climate simulations, models must be able to run efficiently on massively parallel computers. There has been alot of effort recently optimising the Met Office Unified Model (UM) (unified for weather […]

by Keri Nicoll Radiosondes play an important role in modern day atmospheric measurements, providing high vertical resolution data (typically 5m) that cannot be obtained by other means.  Data from radiosonde flights is assembled into numerical weather prediction models and used by forecasters to assess movement of weather systems, cloud heights and predict fog.  Nowadays data […]