It’s not just ocean temperatures that determine whether we have El Niño or La Niña. Air circulation also plays a role, and it’s changing in unexpected ways.
A vast plume of Saharan dust blankets Havana, Cuba, June 24, 2020.
Yamil Lage/AFP via Getty Images
From June through October, it’s not unusual for huge Saharan dust plumes to blow across the Atlantic. They can darken skies but also bring calmer weather and electric sunsets. Here’s how they form.
Dangerous winds batter the south coast of England.
AP Photo/Matt Dunham