Per W. Kållberg

Research topics

• Climate variability and models · 2 papers
• Meteorological Phenomena and Simulations · 2 papers
• Tropical and Extratropical Cyclones Research · 1 paper
• Oceanographic and Atmospheric Processes · 1 paper

Frequent co-authors

• Sakari M. Uppala · 2 papers
• Adrian John Simmons · 2 papers
• Ulf Andrae · 2 papers
• Magdalena Balmaseda · 2 papers
• Anton C. M. Beljaars · 2 papers
• Leo van de Berg · 2 papers
• Jean‐Raymond Bidlot · 2 papers
• Niels Bormann · 2 papers

Papers

1. The ERA‐Interim reanalysis: configuration and performance of the data assimilation systemQuarterly Journal of the Royal Meteorological Society · 2011 · 26,540 citations

   Abstract ERA‐Interim is the latest global atmospheric reanalysis produced by the European Centre for Medium‐Range Weather Forecasts (ECMWF). The ERA‐Interim project was conducted in part to prepare for a new atmospheric reanalysis to replace ERA‐40, which will extend back to…

2. The ERA‐40 re‐analysisQuarterly Journal of the Royal Meteorological Society · 2005 · 7,167 citations

   Abstract ERA‐40 is a re‐analysis of meteorological observations from September 1957 to August 2002 produced by the European Centre for Medium‐Range Weather Forecasts (ECMWF) in collaboration with many institutions. The observing system changed considerably over this re‐analysis period, with assimilable…