| A | B |
|---|
| Air Mass | A large body of air with a uniform temperature and moisture content. |
| Front | A boundary between two air masses. |
| Squall Lines | A long line of heavy thunderstorms. |
| Wave Cyclones | Waves along the boundary of a polar front. |
| Waterspouts | Another name for a tonadoe. |
| Stationary | The first stage of a wave cyclone. |
| Typhoon | Hurricanes that form over the western Pacific Ocean. |
| Tornado | A small storm that forms when a thunderstorm meets high-altitude horizontal winds. |
| Occluded Front | A front that occurs when a cold front overtakes and lifts warm air completely off the ground. |
| Eye | The center of a hurrican. |
| Warm Front | When a warm air mass overtakes a cold air mass. |
| Cold Front | A cold air mass takes over a warm air mass |
