What is an avalanche of red hot gases?

An avalanche of red hot gases typically refers to a volcanic phenomenon known as a pyroclastic flow. This occurs when volcanic material, including ash, gases, and lava fragments, rapidly descends down the slopes of a volcano due to gravity. The gases can reach extremely high temperatures, often exceeding 800 degrees Celsius (1,472 degrees Fahrenheit), making them highly dangerous and capable of devastating everything in their path. Pyroclastic flows are one of the most hazardous aspects of volcanic eruptions due to their speed, heat, and density.