ECMWF didn’t see the recent cold snap coming

The ECMWFECMWF The European Centre for Medium-Range Weather Forecasts is an independent intergovernmental organisation supported by most of the nations of Europe. It is based at three sites: Shinfield Park, Reading, United Kingdom; Bologna, Italy; and Bonn, Germany. It operates one of the largest supercomputer complexes in Europe and the world's largest archive of numerical weather prediction data. are brave enough to let you turn the clock back on their 42 day forecasts and see how they performed. Not very well in the case of last week as it happens.

When this kind of thing happens, it always knocks your confidence as regards their promise of a milder than average April.