Dramatic storm tracks are almost always associated with influence of the Madden Julian oscillation (MJO). The intense Southwest/South Europe storm track of the past 2-3 weeks is directly related to an eastward shift of the MJO across the equatorial East Pacific to tropical Africa.

Torrid dryness across Northeast Argentina continues during early February. The outlook into early next week maintains the dry pattern. However, an upper trough approaches from the west causing significant rain in Argentina during the medium range. The forecast trend is wetter.

Europe East selected cities (Berlin, Munich, Vienna, and Milan) observed an exceptionally cold January with HDD count averaging 13% colder than normal while Europe West selected cities (Glasgow, Heathrow, Paris, Dusseldorf, and Berlin) were much closer to normal.