| A | B |
|---|
| What is an occluded front | A front that forms when a cold air mass overtakes a warm air mass and lifts the warm air mass off the ground and over another air mass. |
| How does an air mass form? | If the air remains stationary it takes on the characteristic temperature and humidity of that region. |
| How does a midlatitude cyclone form? | Waves that form in a cold front or stationary front are much larger. They are the beginnings of low-pressure storm centers called midlatitude cyclones or wave clones. |
| How does the duration and type of storms that a cold front brings compare to that of a warm front? | The moving cold air lifts the warm air. If the warm air is moist, clouds will form. |
