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Weather tools/clouds
| Term | Definition |
|---|---|
| Cumulus | puffy with flat bottoms and round tops that signal fair weather. |
| Cirrus | wispy, feathery clouds made of ice crystals that form at high levels. |
| Stratus | clouds that form in flat layers and often cover much of the sky . |
| Nimbus | a rain cloud. |
| Fog | a stratus cloud that forms when air is cooled to its dew point near the ground. |
| Anemometer | an instrument used to measure wind speed. |
| Wind Vane | instrument used to measure wind direction. |
| Thermometer | an instrument used to measure temperature. |
| Sling Psychrometer | tool made of a wet and dry thermometer that measures relative humidity and requires a table to interpret the two temperature. |
| Barometer | an instrument that measures atmospheric pressure. |
| Rain Gauge | an instrument used to measure precipitation. |
| Weather Map | a map that uses symbols to show weather data |
| Weather Satellites | type of satellites that is primarily used to monitor the weather and climate of the Earth |
| Weather Radar | is an instrument that sends pules of electromagnetic energy into the atmosphere to find precipitation type such as rain, snow or hail. |
| Isobar | line on map connecting points having the same barometric reading at a given time. |
| Isotherm | a line on a weather map that joins places that have the same temperature. |
| Cumulonimbus | are thunder clouds. High winds can flatten the top of the cloud into an anvil-like shape. Cumulonimbus clouds are associated with heavy rain, snow, hail, lighting and even tornadoes . The anvil usually points in the direction the storm is moving. |
| Relative Humidity | the amount of water vapor in the air at any given time is usually less than that required to saturate the air. Expressed as a percentage. |