Exam 12: Middle Latitude Cyclones

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

The planetary vorticity of an air parcel moving from low toward high latitude in the Northern Hemisphere will​

(Multiple Choice)
4.9/5
(45)

Like hurricanes, polar lows normally have a warmer central core, strong winds (often gale force or higher), and heavy showery precipitation that unlike a hurricane, is in the form of snow.​

(True/False)
4.7/5
(30)

Cyclogenesis can occur in regions without a large horizontal temperature gradient.​

(True/False)
4.8/5
(31)

​Divergence and convergence of air are due to changes in

(Multiple Choice)
4.7/5
(38)

During baroclinic instability, a ____________________ lows often appear as single contour lines on an upper-level chart.

(Short Answer)
4.8/5
(40)

Vorticity is always present in the atmosphere, even during fair weather.​

(True/False)
4.9/5
(40)

Why does middle latitude storm development occur beneath troughs rather than ridges on a 500 mb chart?​

(Essay)
4.9/5
(35)

In polar front theory, the region of warm air between the cold and warm fronts is known as the ____________________.

(Short Answer)
4.7/5
(42)

Which name is given to a large cyclonic storm system that forms in the middle latitudes?​

(Multiple Choice)
4.8/5
(39)

In a mid-latitude cyclone, when the upper low lies directly above the surface low, the storm system is said to be​

(Multiple Choice)
4.8/5
(41)

​Define the conditions under which cyclones would die out soon after they form.

(Essay)
4.8/5
(40)

Storms typically form along the polar front. However, there are also storms that develop over polar water behind (or poleward of) the main polar front.​

(True/False)
4.8/5
(34)

If we assume that the absolute vorticity of flowing air is conserved, air moving northeastward will bend ____ to compensate for the ____ in Earth's vorticity.​

(Multiple Choice)
5.0/5
(42)

Explain the term absolute vorticity in a real-life context, such as a spinning ice skater. In your description, include the terms relative vorticity and Earth's vorticity.​

(Essay)
4.8/5
(32)

Jet streaks often occur away from jet streams.​

(True/False)
4.8/5
(31)

Why is it important to locate and follow the movements of atmospheric shortwaves?​

(Essay)
4.9/5
(33)

Generally, polar lows rapidly ____ when they move over land.​

(Multiple Choice)
4.8/5
(36)

During the March, 1993 storm off the coast of Texas, a region of ____ air in the upper air above the storm caused the rapid decrease of surface pressure leading to the development of a wave cyclone.​

(Multiple Choice)
4.9/5
(38)

What does cyclogenesis mean, and where does it commonly occur?​

(Essay)
4.9/5
(32)

A small, moving disturbance imbedded in a longwave is called a​

(Multiple Choice)
4.7/5
(36)
Showing 21 - 40 of 100
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)