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storms and clouds
Earth Science
| Question | Answer |
|---|---|
| Condensation nuclei | small particles in the atmosphere around which cloud droplets can form |
| Cloud formation | clouds form when warm, moist air rises, expands, and cools in a convection current |
| Stratus | Sheet like or layered Low clouds, covers large areas of the sky and blocks sun, little precipitation Stratus cloud on the ground is known as fog |
| Nimbus | Very dark, cause heavy precipitation |
| Cumulus | Resemble cotton balls with a dark bottom, no precipitation |
| Cumulonimbus | dark storm clouds, known as thunderheads, accompanied by rain, lightning and thunder |
| Cirrcus | Composed of ice crystals highest altitude Commonly appear just before a snowfall or rainfall A halo appears around the sun or moon when viewed through a cirrus cloud, Halo is formed by the refraction of light rays through ice crystals |
| Dew point | Point where water condenses |
| Hygrometer | Measures humidity |
| Rain gauge | Measures participation |
| Ceilometer | measures the height of sky layers and total ammount of sky covered by clouds |
| Cirro | high |
| Alto | middle |
| Strato | low |
| Cirrus | hair, wispy |
| Cumulus | pile (puffy) |
| Stratus | Layer |
| Nimbus | low, gray rain clouds |
| Hurricanes | tropical cyclone that forms over tropical areas./ |
| Typhoon | hurricane that forms over the W. Pacific ocean.rapidly, spinning rising air forms a donut-shaped wall of strong winds, clouds, and rainfall. |
| Nimbostratus | Low, rain |
| Lightning | sudden discharge of electricity between cloud and cloud; cloud and ground./ |
| Thunderstorms | Cold front meets warm front forming heavy rainstorms with thunder and lightning, violent down drafts and strong wind shear./ |
| Cyclones | area of low pressure containing rising warm air. Air currents start to spin. In the Northern hemisphere they go counterclockwise and cause rainy stormy weather./ |
| Anticyclones | high pressure area with cold, dry air. Causes dry clear fair weather. In the Northern hemisphere they move clockwise. |
| Tornadoes | whirling funnel shaped clouds that develop in low, heavy cumulonimbus clouds. Extremely low pressure causes a vacuum cleaner like effect. |
| Cirrus | Ice crystals/ snow |
| Cumulus | Warm, sunny |
| Cumulonimbus | Thunderstorms |
| Altostratus | Mild precipitation |
| Stratus | Cloudy |
| Sling Psychrometer | measures relative humidity |
| Anemometer | measures wind speed |
| Isotherms | areas sharing the same temperature |
| Isobars | areas sharing the same barometric pressure |
Created by:
elarocco
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