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Fronts & air masses
| Question | Answer |
|---|---|
| What type of front is associated with triangles on a map? | cold front |
| What type of weather is associated with a cold front? | thunderstorms, heavy rain or snow followed by cool dry air |
| What type of front is associated with half circles on a map? | warm front |
| what type of weather is associated with a warm front? | drizzle to steady rain, followed by clear, warm or hot weather |
| What type of front is associated by alternating triangles and half circles on opposite sides? | stationary front |
| what type of weather is associated with a stationary front? | many days of cloudy wet weather |
| what type of front is associated with alternating triangles and half circles on the same side? | occluded front |
| What type of weather is associated with an occluded front? | cool weather with large amounts of rain or snow |
| What is a large volume of air with somewhat the same temperature and moisture content? | air mass |
| what type of air mass is warm and wet with hot humid summers and mild cloudy winters? | mT - maritime tropical |
| What type of air mass is cold and wet with cool summers and cold winters with big snowstorms? | mP - maritime polar |
| What type of air mass is warm and dry with clear, dry, hot summers and clear, dry, mild winters? | cT - continental tropical |
| What type of air mass is cold and dry with cool, dry summers and cold winter winds rom the north? | cP - continental polar |
| How long is the jet stream? | 1.000 - 3,000 miles long |
| What are winds that move short distances and can blow from any direction? | local winds |
| What are winds that blow steadily across the earth in paths that are thousands of kilometers long? | global winds |
| What causes wind? | changes in air pressure |
| Where is the jet stream located? | troposphere |
| warm steady winds that blow across the equator | trade winds (easterlies) |