How an El Nino is determined
Randy Mann.
JAKE PARRISH/Press
Earlier this year, we were in the middle of a weak La Nina event, which is the cooler than normal sea-surface temperature phenomenon in the south-central Pacific Ocean. The latest observations are indicating that La Nina is weakening rapidly and now heading toward “neutral” conditions, or in-between cooler La Nina and the warmer El Nino. The neutral condition has also been referred to as a “La Nada.”
As I reported last month, long-range forecast models and sea-surface temperature forecasters are pointing to the development of a new El Nino as early as this summer and becoming very strong by late in the year.
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