| A | B |
| air-mass thunderstorm | type of thunderstorm in which air rises because of unequal heating of Earth's surface |
| frontal thunderstorm | Thunderstorms produced by an advancing cold front |
| sea-breeze thunderstorm | Local air-mass thunderstorm that occurs along a coastal area |
| downburst | Violent, damaging thunderstorm wind |
| Fujita | Scale to measure tornado intensity |
| supercell | Extremely powerful, self-sustaining thunderstorm characterized by intensive updrafts |
| tornado | Violent swirling column of air in contact with ground |
| funnel cloud | Violent swirling column of air |
| eye | Calm center of a hurricane |
| eyewall | Area in which the strongest winds occur in a hurricane |
| Saffir-Simpson | Scale to measure hurricane intensity |
| storm surge | Occurs when storng winds drive a mound of water inland |
| tropical cyclone | Large, low-pressure, rotating storm that gets its energy from warm ocean water |
| cold wave | an extended period of below-normal temperatures |
| drought | an extended period of well-below-normal rainfall |
| heat wave | an extended period of above-normal temperatures |
| flood | an extended period of rainfall may lead to this |
| wind-chill factor | describes the effects of cold air and wind on the human body |