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Clouds
Classification of Clouds/Severe Weather
| Question | Answer |
|---|---|
| What two features are used to classify clouds? | shape and altitude |
| Name the three basic forms of clouds. | stratus, cumulus, cirrus |
| What are the three altitude groups of clouds and their heights. | low clouds- 0-2000m (0 - 2 km) middle clouds- 2000-6000m (2km- 6 km) high clouds 6000m plus (6 km plus) |
| feathery clouds composed of ice crystals | cirrus |
| middle-altitude clouds that usually produce little precipitation | altostratus clouds |
| high, dark storm clouds | cumulonimbus clouds |
| clouds that form a high transparent veil | cirrostratus clouds |
| billowy, low altitude clouds (that can change into higher altitude layers with updraft winds) | cumulus clouds |
| clouds with a flat base forming at very low altitudes | stratus clouds |
| Clouds that form where a layer of warm, moist air lies above a layer of cool air are called | stratus |
| What do the prefix "nimbo" and the suffix "nimbus" mean? | rain |
| the first stage of a thunderstorm, in which warm, moist air rises and water vapor in the air condenses to form a cumulus cloud | cumulus stage |
| electricity that is discharged during a thunderstorm | lightning |
| an effect created when electricity heats the air, and the air expands rapidly | thunder |
| a usually brief, heavy storm that consists of rain, strong winds, lightning, thunder | thunderstorm |
| the third stage of a thunderstorm, in which strong downdrafts stop air currents from rising and the storm dies out as water vapor decreases | dissipating stage |
| the second stage of a thunderstorm, in which condensation continues as the cloud rises and becomes a dark cumulonimbus cloud, perhaps producing torrential rain and hail | mature stage |
| What is condensation nuclei? | (also known as cloud seeds) are small particles on which water vapor condenses. Water requires a non-gaseous surface to make the transition from a vapor to a liquid; this process is called condensation. |
| A destructive, rotating column of air that has very high wind speeds and may be visible as a funnel-shaped cloud | tornado |
| A severe storm that develops over tropical oceans and whose winds of more than 120 km/h spiral in toward intensely low-pressure center | hurricane |
| Be able to draw a diagram of a cumulonimbus cloud forming hail |
Created by:
Amatulli Science