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Weather Week 8
Term | Definition |
---|---|
Clouds | A collection of water droplets or ice crystals in the atmosphere. |
Fog | A cloud on the ground that reduces visibility. A low-lying stratus cloud. |
Stratus Clouds | Flat, layered- means “layer.”Bring cloudy and gloomy weather. Can bring rain or snow when they are dark gray. |
Cumulus Clouds | Cotton-ball shaped clouds, tall and fluffy, flat base- means “heap.” Bring warm and sunny weather. |
Nimbus Clouds | Nimbus clouds are formed at low altitudes and are typically spread uniformly across the sky. They produces precipitation. Since they are dense with water, they appear darker than other clouds. |
Cirrus Clouds | thin, wispy-looking clouds; commonly found at heights greater than 6 km. They are white and are made up of ice crystals. They may be a sign that a change of weather is coming. |
Alto Clouds | Clouds with the prefix "alto" are middle level clouds that have bases between 2000 and 7000 m (6500 to 23,000 ft.). |
Cumulonimbus Clouds | Anvil-shaped clouds that are often involved in heavy or violent storms: Cumulonimbus clouds are also called thunderheads. |
Dew Point | The temperature at which water vapor in the air condenses into water. |
Humidity | The measure of how much water vapor is in the air. |