front 1 | back 1 A body of air extending over a large area (1,000 miles or more) that develops and retains specific characteristics of pressure, temperature, and humidity |
front 2 | back 2 The layer of gas surrounding a planet that is held in place by gravity |
front 3 | back 3 The border between an advancing cold air mass and a retreating warm air mass |
front 4 | back 4 A prediction or estimate of future events |
front 5 | back 5 Winds that act as a heat transfer system due to the unequal heating of Earth’s surface |
front 6 | back 6 Features on the surface of Earth, such as mountains, hills, dunes, oceans, or rivers |
front 7 | back 7 Directional movements of ocean water; surface currents result from steady winds over the ocean surface; deep currents result from density variations due to temperature and salinity differences |
front 8 | back 8 Based on probability |
front 9 | back 9 The boundary between an advancing warm air mass and a receding cooler air mass |
front 10 | back 10 The day-to-day state of the atmosphere |
front 11 | back 11 A map or chart that shows the weather conditions at a specific point in time over a specific region |
front 12 | back 12 Similar weather for a certain number of days |