Weather and Its Prediction
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11 terms
French | English |
|---|---|
 Precipitation | rain, sleet, snow, drizzle or hail, the falling to earth of any form of water (rain or snow or hail or sleet or mist) |
| Rain | drops of fresh water that fall as precipitation from clouds |
| Bergeron process | a process that produces percipitation. the process involves tiny ice crystals in a supercooled cloud growing larger at the expense of the surrounding liquid droplets. |
| Collision - coalescence process | Small cloud droplets become larger& larger till they become raindrops. Updraft of air blow the water back into the cloud. |
| Drizzle | v. to rain gently and steadily in fine drops; n. a very light rain, liquid precipitation wtih drops smaller than raindrops |
| Sleet | when raindrops fall through the freezing air, they turn into pellets of ice that fall to the ground |
| Freezing rain | raindrops that freeze when they touch a cold surface |
| Hail | Ice pellets called ____ add layers of ice as they are carried up and down in a cumulonimbus cloud. The ice crystal grows bigger. |
| Dew | formed when air near the surface of the earth cools condensing the water vapor onto something forming a water droplet. |
| Dew point | The temperature at which dew forms, it depends on hte pressure and humidityof the air. |
| Frost point | temperature at which water vapor skips the liquid stage and immediatley freezes on any surface |
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