| A | B |
|---|
| air mass | a huge body of air that has similar temperature, pressure, and humidity throughout |
| tropical | a warm air mass that forms in the tropics and has low air pressure |
| polar | a cold air mass that has high pressure |
| maritime | a humid air mass that forms over oceans |
| continental | a dry air mass that forms over land |
| front | the area where air masses meet and do not mix |
| cyclone | a swirling center of low air pressure |
| anticyclone | a high-pressure center of dry air |
| storm | a violent disturbance in the atmosphere |
| storm surge | a dome of water that sweeps across the coast where a hurricane lands |
| evacuate | to move away temporarily |
| flash flood | a sudden, violent flood that occurs within a few hours, or evev minutes, of a heavy rainstorm |
| meteorologists | scientists who study the causes of weather and try to predict it |
| isobars | lines joining places on the map that have the same air pressure |
| isotherms | lines joining places that have the same temperature |
