El Niño’s first and hardest hits: Why South America needs month-by-month preparedness
A 75-year dataset reveals a stark continental divide in El Niño impacts, with Southern Brazil facing torrential rainfall and the North experiencing severe drought. Month-by-month planning can help target preparedness efforts and reduce vulnerability.
SourceAdvances in Atmospheric Sciences & Partner Journals·JournalAtmospheric and Oceanic Science Letters·DateNov 12, 2026