Why do altocumulus clouds appear ahead of a strong cold front on warm days? Altocumulus clouds act as a visual cue for a ...

Cumulonimbus clouds producing thunder have very strong air currents - they can carry the same amount of energy as 10 Hiroshima-sized atom bombs. Weather forecasts show there were thunderstorms ...

A frozen form of precipitation consisting of individual balls or lumps of ice called hail stones, produced from cumulonimbus or thunderstorm clouds. A bigger hail stone signifies a longer lifespan ...