The Relative Oceanic Niño Index (RONI) is a tool used for comparing current and historical El Niño and La Niña events.
Notes on verification
Confirmed directly by NOAA PMEL and CPC primary sources, corroborated by independent meteorological trackers (Golden Gate Weather Services, University of Miami). [tier=silver indep_score=0.875 clusters=2 claim_tier=everyday]
Sources
- El Niño Today | El Nino Theme Page - A comprehensive Resource (seed:science_and_space)
- https://ggweather.posthaven.com/relative-oceanic-nino-index-roni-replacing-oni-as-enso-metric (corroboration)
- https://bmcnoldy.earth.miami.edu/tropics/roni/ (corroboration)