click below
click below
Normal Size Small Size show me how
weather week 7
| Term | Definition |
|---|---|
| El Nino | Warmer than sea-surface temperatures in the tropical Pacific Ocean that have an effect on global weather |
| La Nina | cooler-than-normal sea surface temperatures in the central and eastern Pacific Ocean, near the equator off the west coast of South America |
| drought | A prolonged shortage of rainfall |
| cold front | When a COLD AIR MASS pushes into a warm air mass |
| warm front | When a WARM AIR MASS pushes into a cold air mass |
| occluded front | A front that develops when two masses of cold air meet |
| boundary | A line that shows where an area ends and another area begins |
| air mass | A large body of air that has the same temperature and moisture level throughout |
| heat | The transfer of thermal energy. (Example: How hot something is) |
| jet streams | High speed winds in the upper atmosphere that flow from WEST to EAST |
| stationary front | When a cold front or a warm front stays in a place for several days without invading another front |