North Pacific Warmth

One of the most striking and persistent climate anomalies of recent years has been the widespread unusual warmth that has affected the North Pacific Ocean. Beginning in summer 2013, sea surface temperatures (SSTs) became much warmer than normal between Alaska and Hawaii, and as the warm anomaly persisted and intensified over the next two years,[…]

A Remarkable Analog: 2002

On November 18, the World Climate Service issued its seasonal forecast and discussion for winter (December-February) 2019-2020 in the U.S. and Europe. WCS seasonal outlooks include an overview of expected climate anomalies, key drivers, and risk factors for the upcoming three-month season, and our forecast document contains detailed discussion of available predictors, including dynamical model[…]