Why were the forecast winter impacts stronger for the marginal La Niña of 2024/25 than for the strong El Niño of 2023/24?

Nathaniel C Johnson

Presentation information

[E] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-CG Complex & General

[A-CG53] Climate Variability and Predictability on Subseasonal to Centennial Timescales

Sun. May 24, 2026 3:30 PM - 5:00 PM 104 (International Conference Hall, Makuhari Messe)

Chairperson:Yamagami Yoko(Japan Agency for Marine-Earth Science and Technology), Morioka Yushi(Japan Agency for Marine-Earth Science and Technology), Miyamoto Ayumu(Scripps Institution of Oceanography, University of California San Diego), Kim Soong-Ki(Yale University)

3:45 PM - 4:00 PM

[ACG53-08] Why were the forecast winter impacts stronger for the marginal La Niña of 2024/25 than for the strong El Niño of 2023/24?

*Nathaniel C Johnson¹, Michelle L. L'Heureux², Emily Becker³, Tom Di Liberto⁴ (1. NOAA/OAR Geophysical Fluid Dynamics Laboratory, 2. NOAA/NCEP/NWS Climate Prediction Center, 3. University of Miami/Cooperative Institute for Marine and Atmospheric Studies, 4. Climate Central)

Keywords:El Niño-Southern Oscillation (ENSO) , Pacific teleconnections, seasonal prediction, North America