UPDATE. Map showing Winter (DJF) temperature departure during weak Fall (SON) La Niña conditions (-0.5°C to -1.0°C SST departure). Composite of 18 years (14 for Alaska) using trailing 30-year climatology for each match year (not static climatology). ❄️🔥 @AlaskaWx pic.twitter.com/OOfw8rYnTE

— Brian Brettschneider (@Climatologist49) July 18, 2020