The "ridiculously resilient high pressure ridge"
During our latest drought, a high pressure ridge over the North Pacific formed, and was famously dubbed 'The ridiculously resilient high pressure ridge" because the damn thing wouldn't go away. It kept winter storms from crossing into California. Now it's clear what's causing that ridge formation - the melting polar ice cap. One more piece of the puzzle falls into place regarding the profound and frightening impacts of human activities on our planet.