El Niño's chang­ing pat­terns: Human influ­ence on nat­u­ral vari­abil­ity

International Ocean Satellite Monitors How El Niño Is Shaping Up

Pacific Puzzles: How El Niño and La Niña Are Changing Their Dance

Odds of 'strong' El Niño now over 95%, with ocean temperatures to 'substantially exceed' last big warming event