A hypercane is a hypothetical class of extreme tropical cyclone that could form if sea surface temperatures reached approximately 50 °C, which is 12 °C warmer than the warmest ocean temperature ever recorded. Wikipedia

Hypothetical extreme tropical cyclones that could reach the size of continents and last for several weeks on average. Hypercanes also would have maximum sustained winds reaching at least 500 miles per hour, and a minimum central pressure of 700 millibars or lower. Wikipedia Disambiguation