|Publisher DOI:||10.2166/wst.2018.079||Title:||Ensembles of radar nowcasts and COSMO-DE-EPS for urban flood management||Language:||English||Authors:||Jasper-Tönnies, Alrun
|Issue Date:||2018||Source:||Water Science and Technology 1 (2017): 27-35 (2018)||Abstract (english):||
Sophisticated strategies are required for flood warning in urban areas regarding convective heavy rainfall events. An approach is presented to improve short-term precipitation forecasts by combining ensembles of radar nowcasts with the high-resolution numerical weather predictions COSMO-DE-EPS of the German Weather Service. The combined ensemble forecasts are evaluated and compared to deterministic precipitation forecasts of COSMO-DE. The results show a significantly improved quality of the short-term precipitation forecasts and great potential to improve flood warnings for urban catchments. The combined ensemble forecasts are produced operationally every 5 min. Applications involve the Flood Warning Service Hamburg (WaBiHa) and real-time hydrological simulations with the model Kalypso Hydrology.
|URI:||http://hdl.handle.net/11420/3239||ISSN:||0273-1223||Journal:||Water science and technology||Institute:||Wasserbau B-10||Document Type:||Article||Project:||ReWaM - Verbundprojekt StucK: Sicherstellung der Entwässerung küstennaher urbaner Räume unter Berücksichtigung des Klimawandels, Teilprojekt 3||More Funding information:||StucK (2015–2018; www.stuck-hh.de) is a joint project in the funding measure ‘Regional Water Resources Management for Sustainable Protection of Waters in Germany’ (ReWaM) sponsored by the German Federal Ministry of Education and Research (BMBF).|
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