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Geo121 > Chapter 8- Air masses and Cyclonic Weather > Flashcards

Chapter 8- Air masses and Cyclonic Weather Flashcards

1
Q

How do we name air masses?

A

By moisture and source region (temperature)

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2
Q

What does mT air mass mean?

A

warm and moist

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3
Q

What does cT air mass mean?

A

warm and dry

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4
Q

What does mP air mass mean?

A

Cold and moist

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5
Q

What does cP air mass mean?

A

Warm and dry

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6
Q

What are the 4 fronts?

A

Warm, cold, stationary, occluded

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7
Q

What shape is a warm front represnted by?

A

circle

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8
Q

What shape is a cold front represnted by?

A

triangle

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9
Q

What shape does stationary front have?

A

upside down triange, rightside up circle

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10
Q

What shape does occluded front have?

A

circle then triangle

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11
Q

Does a cold or warm front move faster?

A

Cold

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12
Q

What is a midlatitude cyclone?

A

a well-organized
low-pressure system in the midlatitudes
containing both warm and cold fronts

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13
Q

What weather elements change when fronts pass?

A

Temperature, pressure, wind

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14
Q

What are the 3 stages of midlatitude cyclones?

A

Cyclogenesis, mature, occlusion

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15
Q

What is a comma cloud?

A

he warm and cold fronts both create clouds, which together form a comma
shape around the low pressure

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16
Q

What is a bomb cycle/bombogenesis?

A

When a MLC intensifies rapidly

17
Q

What are downdrifts/gust fronts?

A

Small cold fronts from
downdrafts hitting the ground and flowing outward

18
Q

What is a mesocyclone?

A

large, rotating updrafts within storms

19
Q

What is a hook echo?

A

a band of heavy rain and hail in rotation around a supercell thunderstorm recognized by radar

20
Q

How are tornadoes classified?

A

By wind speed

21
Q

What is the eye wall in a hurricane?

A

Calm, descending air

22
Q

What are the 4 things needed for a hurricane?

A

Tons of latent heat, far from the equator, storms, low wind

23
Q

What is the Saffir-Simpson scale and how does it classify hurricanes?

A

it ranks the wind mph and what each level is likely to damage

24
Q

What are the biggest impacts of hurricanes?

A

Inland flooding, wind, tornadoes, storm surges

Geo121 (6 decks)

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