Monthly Archives: March 2025

Reconciling Earth’s growing energy imbalance with ocean warming

By: Prof. Richard Allan (Professor of Climate Science) The exceptional global warmth of 2023 and 2024 generated much idle chit chat in Meteorological circles and following a summer Met department coffee room chinwag with Chris Merchant, an ill thought out plan … Continue reading

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The value of observations for weather prediction in the age of machine learning

By: Prof Sarah Dance (Professor of Data Assimilation) Last week, on 25th February 2025, our colleagues at ECMWF (European Centre for Medium-range Weather Forecasts) took their deep-learning-based global weather forecasting system, known as the AIFS, into operational production, running alongside their … Continue reading

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Is climate change shifting the North Pacific jet stream?

By: Dr. Matthew Patterson Wavy bands of fast flowing air, called jet streams, are some of the most recognisable features of the Earth’s atmospheric circulation (figure 1). They have a critical impact on weather in temperate regions by directing the … Continue reading

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