- The summer of 2022 started with a historic flood in Montana, brought on by heavy rain and melting snow, that tore up roads and caused large areas of Yellowstone National Park to be evacuated.
- It ended with a record-breaking heat wave in California and much of the West that pushed the power grid to the breaking point, causing blackouts, followed by a tropical storm that set rainfall records in southern California.
- As the polar regions warm at much higher rates than the equator, the reduced temperature difference causes a weakening of global winds and leads to a more meandering jet stream.
America’s summer of heat, floods and climate change: Welcome to the new abnormal
