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: Seeing the bigger picture: How satellite data shapes Met Office forecasts Automation and data processing: modernising observation While we still have 140 manual stations in the Voluntary Climate Network, most meteorological measurements across the UK land observation network are fully automated

of the SOCRATES radiation scheme and also gravity wave drag in the Unified Model. 4 Nowcasting is a technique used for very short-ranged forecasting (e.g. over the next 0-2 hours). 5 ‘Big data is high-volume, high-velocity and/or high-variety information assets that demand cost-effective, innovative forms

Capability Weather and climate is big science, requiring large numbers of observations and data, large scale software and large-scale compute and storage. And so, the UK requires a weather and climate National Capability. The weather and climate National Capability encompasses the science and technology

is chipping away at a bigger, year‑to‑date deficit rather than erasing it outright. UK‑wide cumulative rainfall has trailed the long‑term average for much of 2025, leaving a “gap” that recent downpours have only partly closed. Regionally, every area is still running a deficit when the year is taken

to experience a technical heatwave. In this deep dive, we’ll explore the meteorological setup behind the heat, what to expect in the coming days, and how this ties into broader seasonal patterns. The big picture: High pressure takes control The story begins with the jet stream, which has been running

................................................................................................................. 4 5. Annexe ...................................................................................................................... 8 © Crown copyright 2018, Met Office Page 1 of 10 Introduction Individuals make big things happen

observations is that there’s big variability year-to-year in the number and intensity of storms that impact the UK.  In our observational records, it’s hard to detect any trend one way or the other in terms of number and intensity of low-pressure systems that cross the UK.  “While our climate overall

Talks � � � � This talk – concentrates on large-scale three-dimensional (3-D) modelling (including MHD) and complementary techniques. Harrison and Davies talk – provides the context of L5 having been there already with the STEREO-B HIs and the bigger picture of visible-light heliospheric imaging

things better? More and better observations • Number, accuracy, variety Bigger supercomputers • More expensive choices possible (e.g. model resolution) Better science • Clever people! • Partnerships • Seamless(?) EUROPEAN CENTRE FOR MEDIUM-RANGE WEATHER FORECASTS Global Mode-S aircraft data: • Large

not be limited to technical people only. An RCF can be a regional marketplace to show what has been done and what can be done. This could grow into an event of a much bigger scale. Almost two hundred people attend the Greater Horn of Africa Climate Outlook Forum (GHACOF), and this is encouraging news