Ensemble mean weekly anomalies

Forecast User Guide: Graphical Output

2-metre temperature

z500 (North Pole projection)

Regime products

Forecast User Guide: Extended Range Regime Charts

For discussion around the utility and verification, see:  https://www.ecmwf.int/en/newsletter/158/meteorology/new-product-flag-risk-cold-spells-europe-weeks-ahead

Extended Range Two-dimensional Regime diagram

Extended Range Weather Regime Frequency histogram

Composites of 2-metre temperature for the 4 Euro-Atlantic regimes

NAO+, Scandinavian Blocking, NAO-, Atlantic Ridge