What are the La Nina and El Nino climate phenomena?

A weak La Nina event has arrived in the Pacific, bringing colder waters and potentially cooler weather. Despite being delayed and relatively weak, La Nina may bring intense storms and rainfall, but is expected to be shorter. NOAA predicts a 59% chance of continuation until April, influencing hurricane activity and global weather patterns, highlighting the impactful ENSO climate system.

What are the La Nina and El Nino climate phenomena?
A weak La Nina event has arrived in the Pacific, bringing colder waters and potentially cooler weather. Despite being delayed and relatively weak, La Nina may bring intense storms and rainfall, but is expected to be shorter. NOAA predicts a 59% chance of continuation until April, influencing hurricane activity and global weather patterns, highlighting the impactful ENSO climate system.