@misc{80220,
  keywords = {newsletter},
  author = {Frédéric Vitart and Franco Molteni},
  title = {An experiment with a 46-day Ensemble Prediction System},
  year = {2009},
  journal = {ECMWF Newsletter},
  chapter = {Meteorology},
  pages = {25-29},
  month = {2009},
  publisher = {ECMWF},
  url = {https://www.ecmwf.int/node/17479},
  doi = {10.21957/23yrlld06b},
  language = {eng},
}