Occluded fronts may form as
Answer: a cold front overtakes a warm front
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MET1010
- The type of weather system known as a 'mid-latitude cyclone' CANNOT form over the tropical ocean because:
- Vorticity refers to:
- The planetary vorticity of an air parcel moving from low toward high latitude in the Northern Hemisphere will:
- If we assume that the absolute vorticity of flowing air is conserved, air moving northeastward will bend ___ to compensate for the ___ in the earth's vorticity.
- Which of the following statements is NOT correct about vorticity?
- During baroclinic instability,
- On an upper-level chart where the isotherms cross the isobars (or contours) and temperature advection occurs, the atmosphere is called:
- A small, moving disturbance imbedded in a longwave is called:
- Atmospheric shortwaves usually move ___ than longwaves, and ___ when they move through a longwave ridge.
- Atmospheric shortwaves usually move ___ at a speed that is ___ than longwaves.
- Rossby waves are also known as:
- An upper-level trough that shows retrograde motion would probably be moving toward the:
- Longwaves in the middle and upper troposphere usually have lengths on the order of:
- If the outflow of air around a surface high pressure area is greater than the convergence of air aloft, you would observe:
- When upper-level divergence of air above a surface low pressure area is stronger than the convergence of surface air, the surface pressure will ___ and the storm itself will ___
- Like hurricanes, polar lows have a clear area in their center
- Strong storms that develop over water, poleward of the polar front, are called:
- Developing low pressure areas generally have ___ air near the surface and diverging air aloft.
- For a surface storm system to intensify, the upper-level low (or trough) should be located to the ___ of the surface low.
- An upper-level pool of cold air that has broken away from the main flow is called
- When an upper-level low lies directly above a surface low, the
- When a deep upper-level trough is located to the east of a surface anticyclone, the surface anticyclone will tend to move toward the:
- A surface low pressure area with a deep upper-level trough to the west will tend to move toward the:
- Northeasters (or nor'easters) are midlatitude storms commonly found:
- A lee-side low forms:
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