What weather is associated with cumulus clouds? Mostly, cumulus indicates fair weather, often popping up on bright sunny days. Though if conditions allow, cumulus can grow into towering cumulus congestus or cumulonimbus clouds, which can produce showers.

Why are cumulus clouds important to weather events?

Towering cumulus clouds usually indicate fair, dry conditions. The bases of these clouds form at altitudes below 2000 m. They are mostly made of drops of water. ... These clouds can forecast some of the most extreme weather, including heavy rain, hail, snow, thunderstorms, tornadoes and hurricanes.

Do cumulus clouds cause storms?

Cumulus Congestus & Cumulonimbus Clouds

Towering cumulus, or cumulus congestus, may generate rain; they may also develop into the even larger, more energetic cumulonimbus. Cumulonimbus clouds, sometimes called "thunderheads," are associated with thunderstorms, lightning and intense, heavy rains as well as hail.