Category Archives: forecast techniques

Ensemble prediction: past, present and future

Contributed by Fredrik Wetterhall and Roberto Buizza, ECMWF The work of producing meteorological ensemble forecasts started 25 years ago at ECMWF and NCEP, and it sparked a revolution in both weather forecasts and its many applications. To celebrate this occasion, … Continue reading

Posted in activities, data assimilation, ensemble techniques, forecast techniques, forecast users, historical, meetings, operational systems, verification | 1 Comment

Hydrologic similarity: Bridging the gap between hyper-resolution and hydrologic ensemble prediction

Contributed by:  Nate Chaney (Princeton University) and Andy Newman (NCAR) The ever-increasing volume of global environmental data and the continual increase in computational power continue to drive a push towards fully distributed modeling of the hydrologic cycle at hyper-resolutions (10-100 … Continue reading

Posted in ensemble techniques, forecast techniques, hydrologic models | Leave a comment

A short course on Hydrological Forecasting: interview with Marie-Amélie Boucher and Jan Verkade

Contributed by Maria-Helena Ramos (Irstea) and Shaun Harrigan (CEH) This year Hepex is joining the Young Hydrologic Society (YHS) to offer a short course on hydrological forecasting during the EGU General Assembly in Vienna. Shaun Harrigan (CEH), representative of the … Continue reading

Posted in announcements-events, early-career scientists, forecast techniques, interviews | 2 Comments

Meeting user needs for sub-seasonal streamflow forecasts in Australia

By Tongtiegang Zhao, Andrew Schepen and Q.J. Wang, members of the CSIRO Columnist Team Good streamflow forecasts allow water management agencies to make better decisions and achieve more efficient water use. Currently, the Australian Bureau of Meteorology provides seasonal forecasts of three-month-total streamflow for … Continue reading

Posted in columnist, forecast techniques, seasonal prediction | Leave a comment

Interactions between the meteorology and hydrology communities – Interview with Martin Best

Contributed by Maria-Helena Ramos, member of the Irstea Guest Columnist Team At Irstea, the Catchment Hydrology group working in Antony (southern Paris) has been developing research that aims at better integrating knowledge from meteorology in hydrological models and forecasting systems. … Continue reading

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A timeline of developments at SMHI’s hydrological forecasting and warning service

Contributed by Göran Lindström (SMHI) and Henrik Spångmyr (SMHI, Midvatten AB), members of the SMHI Guest Columnist Team The Swedish Meteorological and Hydrological Institute (SMHI) has a long tradition in developing customized products and services, as well as 24/7 production … Continue reading

Posted in columnist, ensemble techniques, forecast techniques, operational systems | 1 Comment

Special issue in HESS: Sub-seasonal to seasonal hydrological forecasting

To start of 2016 on a positive note, HEPEX is happy to invite contributions to a special issue in HESS on sub-seasonal to seasonal hydrological forecasting. The special issue is a follow-up on the workshop in Norrköping in September 2015 as … Continue reading

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Pre-, post-processing or both?

by Marie-Amélie Boucher, a HEPEX 2015 Guest Columnist Do you think it is better to pre-process the meteorological forecasts, to post-process the hydrological forecasts or to do both? Why? Following this blog about future directions for post-processing research, this challenge was … Continue reading

Posted in columnist, forecast techniques, postprocessing | 3 Comments

What makes you a good hydrologist?

by Jan Danhelka, a HEPEX 2015 Guest Columnist I know there are many activities in the field of hydrology, including field hydrologist maintaining the gauging network and performing discharge measurements, scientist, model developers and forecasters. I will concentrate on the … Continue reading

Posted in columnist, forecast techniques, operational systems | 1 Comment

Because it’s Friday… comments invited!

Posted in decision making, forecast communication, forecast techniques, forecast users | 13 Comments