Pacific Decadal Oscillation is Neutral. Precedent for 2018 Precipitation in U.S. is Dry!
Summary: The historic 2010-13 cool phase of the PDO was followed by an even more impressive warm phase (2014 into 2017). The extreme PDO signature has ended. Analogs indicate neutral phase will continue for 2018. The analogs indicate that nationally a drier than normal climate will evolve which the 90-day precipitation trend is indicating that…