CPC Will Report RONI At or Above 2.5

RONI will hit 2.5°C or above when NOAA's Climate Prediction Center publishes a first RONI value of +2.5°C or higher for one of the overlapping three-month seasons ASO 2026, SON 2026, OND 2026, NDJ 2026-27, or DJF 2026-27. That first published Relative Oceanic Niño Index reading will stand in CPC RO…