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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 it's dew point near ground. |
| Anemometer | An instrument used to measure wind speed. |
| Wind Vane | Instrument used to measure wind direction. |
| Thermometer | An instrument used to measure temperture. |
| Sling Psychrometer | Tool made of a wet and dry thermometer that measures relative humidity and requires a table to interpret the two tempertures. |
| 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 satellite that is primarily used to monitor the weather and climate of the Earth |
| Weather Radar | is an instrument that sends pulses of electromagnetic energy into the atmosphere to find precipitation, determine its motion and intensity, and identify the precipitation type such as rain, snow or hail |
| Isobar | line on a 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 thunderstorm clouds. High winds can flatten the top of the cloud into an anvil-like shape. Cumulonimbus clouds are associated with heavy rain, snow, hail, lightning 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. |