Unexplained

Earth

Unexplained heat wave “hotspots” appear around the world

Regions where observed heat waves exceed climate model trends. The darkest red boxed area is the most extreme. Less red and orange outperform the model, but not by much. The yellow almost matches the model, but the green and blue are lower than what the model projects. Credit: Kornhuber et al., taken from PNAS 2024 The hottest year on record…