IRI/CPC ENSO Quick Look
CPC/IRI ENSO Update / Prediction
Technical ENSO Update
IRI/CPC Plume-Based ENSO Forecast
CPC/IRI Consensus Probabilistic ENSO Forecast
IRI/CPC ENSO Predictions Plume
Individual Model View, last 22 months
Monthly archive

IRI Probabilistic ENSO Prediction for NINO3.4 Region
Season | La Niña | Neutral | El Niño |
JAS 2012 | ~0% | 38% | 62% |
ASO 2012 | ~0% | 29% | 71% |
SON 2012 | ~0% | 23% | 77% |
OND 2012 | ~0% | 19% | 81% |
NDJ 2013 | ~0% | 22% | 78% |
DJF 2013 | ~0% | 31% | 69% |
JFM 2013 | 1% | 41% | 58% |
FMA 2013 | 3% | 53% | 44% |
MAM 2013 | 6% | 59% | 35% |
Jul 2012
Probabilistic ENSO prediction archive
ENSO diagnostics & prediction info archive
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