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Weather
Vocab for weather (last unit)
| Vocabulary Word | Definition |
|---|---|
| Air Mass | A large body of air that has properties similar to the part of Earth's surface over which it develops |
| Front | A boundary between two air masses of different density, moisture, or temperature |
| Tornado | A violently rotating column of air in contact with the ground |
| Hurricane | A large, swirling, low-pressure system that forms over the warm Atlantic Ocean |
| Blizzard | A cold, howling wind and blowing snow storm with winds at 56 km and with less than 400 m of visibility |
| Cold Front | Represented with blue triangles; it occurs when colder air advances towards warm air |
| Warm Front | Represented with red semicircles; Form when lighter,warmer air advances over heavier, colder air |
| Occluded Front | Shown with purple triangles & semicircles; Forms when a cold air mass moves towards a cool air with warm air between the two. |
| Stationary Front | Shown with red semicircles and blue triangles pointing downwards; Occurs when a boundary between air masses stops advancing |
| Meteorologist | A person who studies the weather |
| Station Model | A combination of symbols that show the weather conditions at a specific location on Earth |
| Isotherm | A line that connects points of equal temperature |
| Isobar | A line drawn to connect points of equal atmospheric pressure |
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