This type of front separates a mt air mass from a mp

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This type of front separates a mT air mass from a mP air mass over North America Cold front This front is drawn blue on weather maps with triangles Cold front Winds shift from S to W/NW after the passage of this type of front Dryline This type of front separates a cP (or cA) air mass from a mT air mass Occluded front This type of front exhibits both cumuliform and stratiform type clouds and precipitation Stationary front Due to its slow movement, this type of front is often associated with prolonged precipitation and floods Warm front Winds shift from an easterly direction to a southerly direction with the passage of this type of front Cold front This type of front forms thin bands of strong/heavy precipitation
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Cold front Convective clouds and precipitation are common with this type of front Warm front This type of front can have large shields of mixed (rain, snow, freezing rain, sleet) precipitation Dryline front This type of front separates a cT air mass from a mT air mass Warm front This type of front has a very gentle slope which allows for clouds and precipitation to form gradually and over a large area 13. Air lifted over cold fronts and warm fronts undergoes a process called overrunning. ( True / False) 14. Precipitation associated with warm fronts is always found behind the front itself. (True / False) 15. The occluded front is the most mature status a frontal system can achieve. (True / False) 16. Stationary fronts often give life to cold fronts and/or warm fronts. (True / False) 17. Cold fronts move much faster than warm fronts. ( True / False) 18. Stationary fronts are drawn as alternating blue triangles and red semicircle fronts on weather maps. ( True / False) 19. When an occluded front forms, a mP air mass is forcibly lifted and undergoes rapid adiabatic cooling leading to cloud/precipitation formation. (True / False) 20. The moisture content of air ahead and behind a warm front is very similar (i.e. similar relative humidities). (True / False) GE101 – Natural Environment: The Atmosphere Study Guide Worksheet Lecture 12 – Midlatitude Cyclones Complete the following worksheet using the Lecture 12 slides and 218-232; 237-238 in the textbook. 1. What is a midlatitude cyclone? Briefly describe its components and scale. A cyclonic storm that most often forms along a frontal boundary in the middle latitudes 30 – 60 °N/S Region of low pressure Counterclockwise in the Northern Hemisphere Synoptic scale: 1,000 – 5,000 miles across Period: 2 – 10 days Produces large areas of clouds and precipitation
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2. The jet stream is responsible for midlatitude cyclones movement from west to east. ( True / False) 3. When are midlatitude cyclones most common/strongest? Why? In the winter; because this is where there is the strongest difference between air masses. 4. Briefly describe the role/importance of midlatitude cyclones.
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  • Fall '12
  • Fusco
  • Precipitation, jet stream, True / False, Study Guide Worksheet

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