click below
click below
Normal Size Small Size show me how
weather tools/cloud
| Term | Definition |
|---|---|
| cumulus | puffy with flat bottoms and rounds tops that signal fair weather |
| cirrcus | 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 ground |
| anemometer | an instrument used to measure wind speed |
| wind vane | instrument used to measure wind direction |
| thermometer | an instrument to measure tempature |
| sling psychrometer | tool made of a wet and dry thermometer that measures relative humidity and requires a table to interpret the two tempatures |
| jbarometer | an instrument that measures atmospheric pressure |
| rain gauge | an instrument used to measure tempature |
| weather map | a map that uses symbols to show weather data |
| weather satellites | type of satellite that is primarily used to minitor the weather and climate of the earth |
| wearhter radar | is an insturment that sends pulses of electromagnetic energy into the atmosphere to find precipitation, determine its motion and intensity, identify the precipitation type such as rain snow or hail |
| isobar | line on a map connecting points have same tempature |
| isotherm | a line on a weather map that joins places that have the same tempature |
| cmulonimbus | are thunder storm 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 himidity | the amount of water vapor in the air at any given time in usually less than that required to saturate the air expressed as a percentage. |