CNDS Summer School on Natural Hazards & Disaster Risk Reduction

CNDS Summer School on Natural Hazards & Disaster Risk Reduction

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Contributed by Siobhan Dolan, University of Reading. The Centre for Natural Hazards and Disaster Science (CNDS) held a summer school at their department at Uppsala University for early career researchers (ECR) who had an interest in learning more about ‘Natural Hazards in the Anthropocene’ and disaster risk reduction (DRR). This summer school was held on 20-24th August and had 36 ECRs attending, including myself. I am a doctoral researcher from the University of Reading and one of the 13 NERC…

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Can hydrological forecasting contribute to Science & Art projects?

Can hydrological forecasting contribute to Science & Art projects?

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Contributed by Maria-Helena Ramos and Louise Arnal. In 1991, L. D. James starts his book chapter stating that “[i]n content, hydrology is a science; in practice it is an art”. The discussion that follows reflects on the links between science and practice at the time of writing, questioning how much “the art of hydrology [was becoming] increasingly outdated” and highlighting the “pressure for new methods” to keep on securing decision makers in water resources planning with “sound scientific information for…

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Fictitious Forcings have Macondo in Trouble: A Hackathon Story

Fictitious Forcings have Macondo in Trouble: A Hackathon Story

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Contributed by Georgy Ayzel.  Meteorological ensemble forecasts form the core of every system for hydrological ensemble prediction. There are multiple data sources where our meteorological ensembles could come from: historical observations, numerical weather prediction and climate models, or stochastic weather generators. Different sources serve different ways we want to communicate and deliver the information of possible runoff responses to various meteorological conditions. However, there is a source that is typically ignored in the modern landscape of ensemble runoff prediction –…

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Summer 2018 in Europe: did the EFAS seasonal outlook predict low river flows?

Summer 2018 in Europe: did the EFAS seasonal outlook predict low river flows?

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— this post is jointly published on the blogs of HEPEX and the European Drought Centre — Contributed by Louise Arnal (ECMWF and University of Reading), Shaun Harrigan (ECMWF) & David Lavers (ECMWF). Summer 2018 in Europe was remarkable from a hydroclimate perspective, with large regions experiencing persistent dry conditions, very little to no rainfall for extended periods, a series of heatwaves with record-breaking temperatures and numerous wildfires (in the UK, Sweden, Greece, Spain, Portugal, Latvia and Germany, among others)….

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GloFAS-Seasonal: Global Scale Seasonal River Flow Forecasts

GloFAS-Seasonal: Global Scale Seasonal River Flow Forecasts

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Contributed by Rebecca Emerton. My PhD research looks into how we can provide earlier indications of flood hazard at the global scale. One way of doing this is through seasonal forecasts of high (or low) river flow. Seasonal forecasts are designed to provide an early indication that a given variable, in this case river flow, will differ from normal in the coming weeks or months. While many operational centres produce seasonal forecasts of meteorological variables, operational seasonal forecasts of hydrological…

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