ENSO-neutral conditions persisted in December, but overall conditions in the atmosphere and ocean were similar to those of La Niña events.
The La Niña-like conditions will continue during this winter, but will gradually weaken towards boreal spring. Thus, it will not satisfy the JMA's definition of a La Niña Event. It is likely (80%) that ENSO-neutral conditions will persist to boreal spring.
JMA拉化中性