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Weather Unit
| Term | Definition |
|---|---|
| hurricane | Huge, swirling storm with winds at or above 73 miles per hour |
| forecast | To predict a future event |
| water vapor | Water when it is in a gas state instead of liquid or ice. |
| troposphere | The lowest region of the atmosphere which starts at the Earth's surface. |
| humidity | Represents the amount of water vapor in the air. |
| tornado | Funnel Shaped cloud with wind speeds up to 300 miles that is created when air moves upward in a thunderhead |
| runoff | If precipitation falls on land surfaces, it attempts to return to the ocean or lakes |
| meteorologist | Scientist who studies and tracks weather |
| front | Boundary between two air masses that have different temperatures. This usually results in a change of weather |
| condensation | This happens in the air as water vapor changes back to droplets of water and clouds form. |
| evaporation | Liquid water on Earth becomes a gas, called water vapor through this process. |
| precipitation | Rain, snow, sleet, or hail that falls to the ground. |