
La Niña Phenomenon
The cool phase of ENSO and its influence on seasonal rainfall and storms.
La Niña is the cool phase of ENSO, usually linked to stronger Pacific trade winds and shifted rainfall patterns.
Planning notes
- Effects vary by region and season.
- It can alter tropical cyclone formation zones.
- Local forecasts remain necessary for day-to-day decisions.
Source: Wikimedia Commons ENSO regional impacts map · Last updated 2026-06-15