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Tropics
Patterns of Winds, Water, and Weather in the Tropics
| Term | Definition |
|---|---|
| Tropics is: | The area between the Tropic of Cancer (23.5 N) and the Tropic of Capricorn (23.5). It receives direct sunlight all year round. |
| Global Circulation is: | The movement of air around the planet. |
| Troposphere is: | The first layer of the atmosphere where most weather events happen. |
| Convection cells are: | Self-contained (blocks of) loops of fluid or gas driven by density differences caused by uneven heating. |
| Hadley cell is: | Between the equator 0* to 30* N which blows air from Northeast to Southwest. Trade winds. |
| Mid-latitude cell is: | Between 30* to 60* N which blows air from Southwest to Northeast. Westerlies winds. (Ferrel Cell). |
| Polar cell is: | Between 50* to the North pole which blows air from the North. Polar Easterlies. |
| Intertropical Convergence Zone is: | The low-pressure belt where the Northern and Southern Trade winds meet, converge, and go straight upward creating thunderstorms, rainfalls, and clouds. |
| Subtropical High is: | A semi-permanent high-pressure belt located roughly at 30* N and 30* S. |
| Subtropical Jet Stream is: | The fast flowing river of air formed by the meeting of the warm air of the Hadley Cell and the cold air of the Ferrel Cell. |
| Polar Jet Stream is: | The fast flowing river of air that is caused by the meeting of the warm air from the Ferrel Cell and the cold air of the Polar Cell. |
| What is the seasonal temperature shifts at the equator? | Seasons rarely change in the Tropics, meaning the temperature shifts near the equator does not have a drastic difference. |
| What is the seasonal shifting of jet streams? | The jet streams can move locations depending on the seasons. |
| Thermal Equator is: | The imaginary line that circles the globe and connects the points of the Highest Average Surface Temperature (at any given time). |
| Westerlies: | Wind that blows from West to East |
| Polar Easterlies: | Wind that blows from East to West from the Polar regions. |
| Easterlies: | Wind that blows from East to West. Also called the Trade Winds. |
| El Nino Southern Oscillation Cycle: | Is a phenomenon that disrupts the normal conditions of the Pacific Ocean every 2 - 7 years. With two phases: El Nino and La Nina. |
| El Nino: | Is the ENSO's warm phase, where conditions are warmer than average. |
| La Nina: | Is the ENSO's cold phase, where conditions are colder than average. |
| Pacific Ocean: | Is the largest and deepest ocean that stems 63.8 million across the left of the Americas and right of the Asias (with smaller islands). |
| How does El Nino and La Nina affect the US? | El Nino's weather system brings warm/dry conditions to the north and cool/wet to the south. La Nina's weather system brings cool/wet conditions to the north and warm/dry to the south. |
Created by:
Elavinahla8
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