also: ラニャーニャ
La Niña
Meteorological term for the cooling phase of the El Niño–Southern Oscillation (ENSO) cycle, often associated with cooler-than-average sea surface temperatures in the central and eastern tropical Pacific.
from Spanish
This winter may be cold due to the influence of La Niña.
ラニーニャが発生すると、東南アジアでは大雨になりやすい。
When La Niña occurs, Southeast Asia tends to experience heavy rainfall.