Category Archives: historical

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

Flood memory and historical marks of high waters

Contributed by Maria-Helena Ramos (Irstea, France) Last year, the Hepex Portal published a blog post by Richard Davies from floodlist.com about the UK and Ireland floods in December 2015 and January 2016. When navigating through the floodlist website, I found … Continue reading

Posted in data systems, floods, historical | Leave a comment

Tracing The Origins of ESP

HEPEX Historical Hydrology Series, Edition 1 Contribution by Andy Wood, Tom Pagano, and Maury Roos, with special thanks to Mike Anderson Every day in the western US and elsewhere in the world, reservoir release decisions are made based in part … Continue reading

Posted in ensemble techniques, historical, seasonal prediction | 6 Comments