NOAA La Niña Watch: Strip of cool water lingering in tropical Pacific

Compared to conditions in June 2016, a slightly wavy strip of cooler-than-average water along the equator in the central to eastern Pacific appeared to have expanded just a little and cooled off a bit further in July. A persistent cool spot in that area is one of the criteria that climate experts use to monitor and predict La Niña—the cool phase of the ENSO climate pattern. Read more at climate.gov…