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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 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 Psychormeter | tool made of a wet and dry thermometer that measure relative humidity and requires a table to interpret the two temperatures |
| Barometer | An instrument that measures atmospheric pressures |
| 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 send 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 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 | A 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, 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 usually less than that required to saturate. Expressed as a percentage |