Final workshop held for EU-backed flood management improvement initiative

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A delegation from the European Centre for Medium-Range Weather Forecasts (ECMWF) has taken part in the final workshop of an EU-funded initiative to create better tools for the management of floods, especially in smaller rivers where current pan-European forecasting capacities are limited.

The Advanced Tools for pro-Active Management of Impacts and Risks Induced by Convective Weather, Heavy Rain and Flash floods in Europe (TAMIR) project has been coordinated by the Finnish Meteorological Institute (FMI), with outcomes of the project being built into the EU’s Copernicus Emergency Management Service (CEMS). The final workshop, held in Helsinki, Finland, on May 4 and 5, included 85 participants.

Annakaisa von Lerber, researcher at FMI, said, “TAMIR has enabled innovative, comprehensive and far-reaching research and development. ECMWF had an essential role in the development of products, for example in blending nowcasts and model forecasts seamlessly together and developing the methodology for combining the exposure layers for probabilistic impact products.”

ECMWF has experience of blending radar data on precipitation with numerical weather prediction (NWP) data and also acts as the Hydrological Forecast Computational Centre for CEMS. Ellie Hansford, an ECMWF scientist who took part in the workshop, said, “We provided expertise in this field and developed a flood forecasting operational suite to complement existing products of the CEMS European Flood Awareness System (EFAS).”

TAMIR has a standalone platform, but the goal is to include some TAMIR tools in the EFAS Information System, developed and operated by ECMWF. A key activity of TAMIR has been the translation of hazard forecasts, such as of rain and flooding, into impact forecasts. “Hazard forecasts on their own are of limited use unless you help people make impact-based decisions,” added Hansford.

‘Impact’ can be understood as ‘hazard’ combined with the ‘exposure’ within the spatial footprint of the hazard. One of ECMWF’s contributions to TAMIR was to operationalize the ‘exposure’ concept. As part of this, it was necessary to define with users what socio-economic assets should be considered within the concept of exposure.

“We asked end users to make suggestions and came up with population, health care, education, transport and energy as key concepts to account for exposure,” said Hansford. “Once we’d developed the initial products and run some case studies, we sent out a short survey to ask end users for feedback.”

Questions concerned the general design and how usable the tools were. These then went through several iterations to make them as useful as possible. ECMWF is now developing the prototype processing chain for the TAMIR products to be generated in near real time. These near-real-time products will become available via the EFAS website as well as web services.

In addition to FMI, other participants in TAMIR are the Spanish Polytechnic University of Catalonia (UPC), and the Kymenlaakso Rescue Department, a local Finnish firefighting service, which provided feedback on some of the products.

“This EU project has been very useful for developing new products to complement the services we provide as part of CEMS,” says Christel Prudhomme, ECMWF’s environmental forecasts team leader. “The work started in TAMIR will continue so that we can provide new European flood-related services.”

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Dan first joined UKi Media & Events in 2014 having spent the early years of his career in the recruitment industry. As editor, he now produces content for Meteorological Technology International, unearthing the latest technological advances and research methods for the publication of each exciting new issue. When he’s not reporting on the latest meteorological news, Dan can be found on the golf course or apprehensively planning his next DIY project.

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