| A | B |
|---|
| air mass | a large body of air that is characterized by similar temperatures and amounts of moisture at any given altitude |
| cold front | a front along which a cold air mass thrusts beneath a warmer air mass |
| eye | a zone of scattered clouds and calm averaging about 20 kilometers in diameter at the center of a hurricane |
| eye wall | the doughnut-shaped area of intense cumulonimbus development and very strong winds that surrounds the eye of a hurricane |
| hurricane | a tropical cyclonic storm having winds in excess of 119 kilometers per hour |
| occluded front | a front formed when a cold front overtakes a warm front; It marks the beginning of the end of a middle-latitude cyclone. |
| stationary front | a situation in which the surface position of a front does not move; The flow on either side of such a boundary is nearly parallel to the position of the front. |
| storm surge | the abnormal rise of the sea along a shore as a result of strong winds |
| thunderstorm | a storm produced by a cumulonimbus cloud and always accompanied by lightning and thunder; It is of relatively short duration and usually accompanied by strong wind gusts, heavy rain, and sometimes hail. |
| tornado | a small, very intense cyclonic storm with exceedingly high winds, most often produced along cold fronts in conjunction with severe thunderstorms |
| warm front | a front along which a warm air mass overrides a retreating mass of cooler air |
