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WatA 4.5-4.6
Storms & Predicting the Weather
| Term | Definition |
|---|---|
| storm | A violent disturbance in the atmosphere. |
| thunderstorm | A small storm often accompanied by heavy precipitation and frequent thunder and lightning. |
| lightning | A sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud, between nearby clouds, or between a cloud and the ground. |
| hurricane | A tropical storm that has winds of about 119 kilometers per hour or higher. |
| storm surge | A “dome” of water that sweeps across the coast where a hurricane lands. |
| tornado | A rapidly spinning column of air that reaches down to touch Earth’s surface. |
| evacuate | Moving away temporarily from an area about to be affected by severe weather. |
| meteorologist | Scientists who study the causes of weather and try to predict it. |
| isobar | A line on a weather map that joins places that have the same air pressure. |
| isotherm | A line on a weather map that joins places that have the same temperature. |