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Category: operational systems

“Are we talking just a bit of water out of bank? Or is it Armageddon?” Front line perspectives on transitioning to probabilistic fluvial flood forecasts in England

“Are we talking just a bit of water out of bank? Or is it Armageddon?” Front line perspectives on transitioning to probabilistic fluvial flood forecasts in England

Contributed by Louise Arnal, Jess Neumann, Liz Stephens and Hannah Cloke. This blog post is based on a paper recently published in Geoscience Communication, written in collaboration with Liz Anspoks, Sue Manson, Tim Norton and Louise Wolfenden from the Environment Agency. With the aim to better anticipate future floods, UK policy is seeing an ongoing shift from flood defence towards a forecast-based flood risk management approach, under the Flood and Water Management Act 2010. It is in this context that…

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Can seasonal hydroclimate services be a success story for local applications? Some answers based on a French case study!

Can seasonal hydroclimate services be a success story for local applications? Some answers based on a French case study!

Contributed by Louise Crochemore (SMHI), Ilias Pechlivanidis (SMHI) and Maria-Helena Ramos (INRAE). Hydroclimate services are increasingly available… An increasing number of hydroclimate services provide readily available water predictions to users at the catchment scale. For example, in Europe: Local to global services based on products from the Copernicus Climate Change Service (C3S) have been developed for the hydropower, water resources, flood risk prevention and agriculture sectors within the H2020 CLARA project. The H2020 S2S4E project has co-developed a decision support…

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Climate services help improve decision-making for weather-dependent industries

Climate services help improve decision-making for weather-dependent industries

Contributed by Ilias Pechlivanidis, SMHI, & HEPEX co-chair.  Many industries are in need of reliable and usable climate forecasts for the coming weeks and months. Such predictions can help energy companies and other weather-dependent sectors better manage climate-related risks.  Renewable energy – such as wind, solar and hydropower –  is the fastest growing source of electricity globally. Renewable energy comes from natural sources such as sunlight, wind, or rain, which are not continuously generated. The generation of renewable energy is…

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Helping shape a new flood forecasting service in The wellington region, new zealand

Helping shape a new flood forecasting service in The wellington region, new zealand

Contributed by Michael Cranston (RAB), Andy Brown (Greater Wellington Regional Council) and Bapon Fakhruddin (Tonkin and Taylor). The flooding challenge in Wellington Greater Wellington Regional Council (GWRC) are embarking on a programme to establish improved flood forecasting services across the Wellington Region on New Zealand’s north island. Flooding is considered New Zealand’s number one natural hazard with flood emergencies estimated to have cost $17 million a year in insurance payments and $15 million in emergency management expenditure between 1968 and…

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GloFAS-ERA5 reanalysis: River discharge ‘maps without gaps’ from 1979-present

GloFAS-ERA5 reanalysis: River discharge ‘maps without gaps’ from 1979-present

Contributed by Shaun Harrigan, ECMWF. In an ideal world we would have river discharge measurements for every river spanning many decades and updated in real time. We all know this is very far from reality with severe gaps in the global observing network (Lavers et al., 2019), and provides a fundamental challenge for hydrological monitoring and forecasting. A way forward pioneered in the field of meteorology and climate is to optimally combine available in situ and satellite Earth system observations…

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