South America Week 2-4 Outlook: Stalled MJO in central Pacific ignites a downstream wet upper trough over Brazil.

Highlight: Stalled MJO in central Pacific ignites a downstream wet upper trough over Brazil. Meanwhile Argentina dryness persists. Charts of the day: The 10-day outlook. Discussion: Waters in the equatorial East Pacific are warming as La Nina is fading. However, the atmosphere remains in La Nina mode. The positive southern oscillation index (+SOI) is second…