Temperature Flips

A study published on 22^nd April 2025 revealed that over 60% of the world has experienced sudden swings between extreme heat and cold — termed "temperature flips" — since 1961.

• Temperature flips involve abrupt shifts between hot and cold extremes, leaving minimal time for adaptation and increasing risks to health, crops, infrastructure and ecosystems.
• A notable example was seen in April 2021 when Europe shifted from unseasonably warm weather to a cold snap, damaging crops.
• The study identified mid-latitude regions like East Asia, eastern North America, and parts of South America, Africa and Australia as hotspots for these flips.
• Rossby waves — large atmospheric ....