La Nina 2024 India Map. A la niña watch does not guarantee that a la niña will. The nino3.4 index was approaching the la niña threshold in september 2024, based on the preliminary assessment.
See map of enso regions). The wmo el niño/la niña update is prepared approximately every three months through a collaborative effort between wmo and the international research institute for climate and society (iri) as a contribution to the united nations.