News

Flooding in Texas in the wake of Hurricane Harvey

ECMWF joins meeting on challenges in hydrological ensemble forecasting

The 2018 HEPEX workshop in Melbourne, Australia, was themed ‘breaking the barriers’ to highlight the challenges facing researchers and practitioners and how they can be overcome.

Phil Browne

Paving the way for ocean–atmosphere coupled data assimilation

Phil Browne trained as an applied mathematician before joining ECMWF to help develop a key aspect of operational numerical weather prediction (NWP): coupled ocean–atmosphere data assimilation. He sets out the challenges involved and how he is addressing them.

Poster session at the CHE General Assembly Feb 2018

Experts discuss way forward for ambitious CO2 monitoring project

More than 50 experts from Europe and beyond met at ECMWF from 5 to 7 February 2018 to chart the way forward for an ambitious project working towards an operational capacity to monitor fossil fuel CO2 emissions.

EC-Earth meeting Jan 2018 plenary session

EC-Earth gets ready for climate model intercomparison project

EC-Earth, a European consortium which aims to provide reliable climate information, is in the final stages of preparing for a climate model intercomparison project expected to feed into the next IPCC report, a meeting hosted by ECMWF has heard.

Andy Brown

Experts review ocean surface observations for NWP

More than 50 ocean and data assimilation experts came together at ECMWF from 22 to 25 January to discuss the way forward for the use of observations of sea-surface temperature (SST) and sea ice in numerical weather prediction (NWP) and climate applications.

Diagram illustrating the principle of 4D-Var

4D-Var anniversary symposium held at ECMWF

Developing a 4D variational data assimilation system was one of ECMWF’s biggest-ever projects. A symposium to mark the 20th anniversary of the operational implementation of 4D-Var took place at the Centre on 26 January.

ECMWF Newsletter 154 cover

Winter 2017/18 Newsletter published

The winter 2017/18 issue of the ECMWF Newsletter is now available. As well as news about ECMWF staff and events, it features articles about new developments and the use that can be made of ECMWF products.

Summer of Weather Code graphic

ECMWF launches Summer of Weather Code programme

ECMWF is launching a programme open to anybody keen to develop innovative weather data technologies. Applications to work on any one of 13 challenges can be submitted until 30 March.

Typhoon Neoguri (2014) from International Space Station

Ocean coupling in tropical cyclone forecasts

Tropical cyclones are one of the deadliest weather phenomena. One of the avenues being pursued at ECMWF to improve forecasts of tropical cyclones is to better take into account interactions between the ocean and the atmosphere during the forecast period.

Temperature differences between 2017 and 1981 to 2010

2017 extends exceptionally warm period, first complete datasets show

The first complete temperature datasets for 2017 show that last year was the third in a row of exceptionally warm years, the Copernicus Climate Change Service (C3S) implemented by the European Weather Centre (ECMWF) can announce.