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Chpt 13 Kate Hill
| Question | Answer |
|---|---|
| Water cycle | The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration |
| Evaporation | To transition from a liquid state into a gaseous state; To disappear |
| Humidity | The state or quality of being humid |
| Relative Humidity | The amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature |
| Pscyrometer | A hygrometer consisting of a wet-bulb and a dry-bulb thermometer, the difference in the two thermometer readings being used to determine atmospheric humidity |
| Condensation | Water that collects as droplets on a cold surface when humid air is in contact with it |
| Dew Point | The atmospheric temperature (varying according to pressure and humidity) below which water droplets begin to condense and dew can form |
| Dew Point | The atmospheric temperature (varying according to pressure and humidity) below which water droplets begin to condense and dew can form |
| Cirrus | Cloud forming wispy filamentous tufted streaks (“mare's tails”) at high altitude, usually 16,500–45,000 feet (5–13 km) |
| Cumulus | A cloud forming rounded masses heaped on each other above a flat base at fairly low altitude |
| Stratus | Cloud forming a continuous horizontal gray sheet, often with rain or snow |
| Precipitation | Rain, snow, sleet, or hail that falls to the ground |
| Air Mass | A body of air with horizontally uniform temperature, humidity, and pressure |
| Tropical | Resembling the tropics, esp. in being very hot and humid |
| Polar | Of or relating to the North or South Pole |
| Maritime | Connected with the sea, esp. in relation to seafaring commercial or military activity |
| Continental | Forming or belonging to a continent |
| Front | The forward edge of an advancing mass of air |
| Occluded | Stop, close up, or obstruct (an opening, orifice, or passage) |
| Cyclone | A system of winds rotating inward to an area of low atmospheric pressure, with a counterclockwise (northern hemisphere) or clockwise (southern hemisphere) circulation; a depression |
| Anti cyclone | A weather system with high atmospheric pressure at its center, around which air slowly circulates in a clockwise (northern hemisphere) or counterclockwise (southern hemisphere) direction. Anticyclones are associated with calm, fine weather |
| Storm | A violent disturbance of the atmosphere with strong winds and usually rain, thunder, lightning, or snow |
| Thunderstorm | A storm with thunder and lightning and typically also heavy rain or hail |
| lightning | The occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder |
| Tornado | A mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system |
| Hurricane | A storm with a violent wind, in particular a tropical cyclone in the Caribbean |
| Storm Surge | A rising of the sea as a result of atmospheric pressure changes and wind associated with a storm |
| Meteorologist | An expert in or student of meteorology; a weather forecaster |
| Isobar | A line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period |
| Isotherm | A line on a map connecting points having the same temperature at a given time or on average over a given period |
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082076
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