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Oceans Boil: Record Heat Fuels Extreme Weather
1 Jul
Summary
- Global sea temperatures hit record highs recently.
- Warmer oceans increase risks of extreme storms and floods.
- El Niño phenomenon exacerbates human-induced climate change effects.
Global sea surface temperatures have recently surpassed all previous records, marking a critical point for the planet's climate. Data from the European Union's Copernicus climate programme revealed that on June 21, 2026, average sea surface temperatures reached 20.86 degrees Celsius, with another measurement at 21 degrees Celsius.
These record-breaking temperatures are occurring outside polar regions, consistently ranging between 0.35 and 0.73 degrees Celsius above the long-term average over the past three years. The naturally occurring El Niño climate pattern is amplifying these effects, contributing to droughts and flooding.
Warmer oceans are a significant driver of climate instability. They retain heat longer, increasing atmospheric energy and subsequently raising the risk of extreme weather events like severe storms, heavy rainfall, and flooding.
Copernicus Director Carlo Buontempo cautioned that current conditions might herald a new climate phase, pushing into "uncharted territory." He anticipates further temperature records to be broken in the coming months due to sustained high ocean temperatures and the ongoing El Niño event.
