click below
click below
Normal Size Small Size show me how
Air Masses & Fronts
terms for quiz on Air Masses and Front
| Question | Answer |
|---|---|
| air mass | large body of air with similar temperatures and humidity |
| source region | area where an air mass forms |
| weather | condition of the atmosphere at a particular time and place |
| maritime tropical | wet, warm air mass |
| maritme polar | wet, cold air mass |
| continental tropical | dry, warm air mass |
| continental polar | dry, cold air mass |
| Gulf of Mexico | source region for a maritme tropical air mass |
| Canada or Alaska | source region for a continental polar air mass |
| Sahara Desert | source region for a continental tropical air mass |
| North Atlantic Ocean | source region for a maritime polar air mass |
| front | place where two or more air masses meet |
| cold front | occurs when a cold air mass 'pushes" a warm air mass out of an area |
| warm front | occurs when a warm air mass "pushes" a cold air mass out of an area |
| blue triangles | symbol for a cold front |
| red half-circles | symbol for a warm front |
| red half-circles and blue triangles on opposite sides of a line | symbol for a stationary front |
| red half-circles and blue triangles on the same side of a line | symbol for an occluded front |
| stationary front | occurs when a cold air mass and a warm air mass meets and neither one moves |
| occluded front | occurs when a warm air mass is sandwiched between two cold air masses |
| light rain or showers | type of precipitation found in a warm front |
| heavy rain or thunderstorms | type of precipitation found in a cold front |
| light rain followed by heavier rain | type of precipitation found in an occluded front |
| rain for a long period of time | type of precipitation found in a stationary front |