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 |