ENSO Atlas · Pacific-Centered NOAA CPC · Jun 2026 · El Niño Watch — warm event developing

One Pacific, Five Regimes

The El Niño–Southern Oscillation is Earth's largest source of year-to-year climate variability — and one of the few weather signals that systematically reprices commodity markets. Choose a regime, step through the seasons, and tap any marker for the regional impact, its historical precedent, and the market read.

Typical ONI lifecycleApr → May⁺¹
+2.50−2.5
30°N EQ 30°S Pacific Ocean Indian Asia China Africa Australia N. America S. America NIÑO 3.4
Wet / Floods Drought Heat / Fires / Frost Storms Favourable Cool / Upwelling Signal strength: ●●● strong tendency · ●○○ weaker / episodic