However, naturally occurring climate events such as la nina and. Oct 17, 2024 · the national oceanic and atmospheric administration’s climate prediction center says there is a 60% chance that a weak la nina event will develop this autumn and could last. Weaker la niñas tend to have less influence on global precipitation and temperature patterns. 1 day ago · la niña has finally emerged after months of anticipation, but there’s a catch. The climate pattern — which typically has an outsized influence on winter weather in the us — is.