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Stack #4617485
| Question | Answer |
|---|---|
| Weather | The atmosphere conditions, along with short-term changes, of a certain place at a cartain time |
| Air pressure | The pressure that a column of air or a surface, below it |
| Humidity | The amount of water vapor in the air |
| Relative humidity | The amount of water vapor present in the air compared to the maximum amount of water vapor the air could contain at that temperature |
| Dew point | Temperature at which air if fully saturated because of decreasing temperature while holding the amount of moisture constant |
| Precipitation | water, in liquid farm that falls from the atmosphere |
| Water cycle | the series of natural processes by which water continually moves throughout the hydrosphere. |
| High pressure system | a large body of circulating air with high pressure at its center and lower pressure outside of the system. |
| Low pressure system | a large body of circulating air with low pressure at its center and higher pressure outside of the system. |
| Air mass | a large area of air that has uniform temperature, humidity, and pressure. |
| Front | a boundary between two air masses |
| Tornado | a violent, whirling column of air in contact with the ground. |
| Hurricane | an intense tropical storm with winds exceeding 119 km/h. |
| Blizzard | a violent winter storm characterized by freezing temperatures, strong winds, and blowing snow. |
| Surface report | a description of a set of weather measurements made on Earth’s surface. |
| Upper-air report | a description of wind, temperature, and humidity conditions above Earth’s surface. |
| Doppler radar | a specialized type of radar that can detect precipitation as well as the movement of small particles, which can be used to approximate wind speed. |
| Isobar | lines that connect all places on a map where pressure has the same value. |
| Computer Model | detailed computer programs that solve a set of complex mathematical formulas. |