Atmosphere

Question 1

1426
A characteristic of the stratosphere is

Answer 1

relatively small changes in temperature with an increase in altitude.

Question 2

1427
The average height of the troposphere in the middle latitudes is

Answer 2

37,000 feet

Question 3

1428
Which feature is associated with the tropopause?

Answer 3

Abrupt change in temperature lapse rate

Question 4

1449
Stability can be determined from which measurement of the atmosphere?

Answer 4

Ambient lapse rate.

Question 5

1455
The general characteristics of unstable air are

Answer 5

good visibility, shower precipitation, and cumuliform-type clouds.

Question 6

1456
Which is a characteristic of stable air?

Answer 6

Stratiform clouds.

Stable:
Strat ☁️

Question 7

1457
Frontal waves normally form on

Answer 7

slow moving cold fronts or stationary fronts.

Slow station

Question 8

1458
What weather can you expect when a most, unstable cold air mass moving over warm surface?

Answer 8

Cumuliform clouds, turbulence, and good visibility.

Unstable Cold over Warm:
- Cum ☁️
- Turbulence
- 👍 VIS

Question 9

1459
Which weather phenomenon is always associated with the passages of a frontal system?

Answer 9

A wind change.

Phenomenon o/Frontal system passage:
🌬️ Wind Change

Question 10

1461
An air mass is a body of air that

Answer 10

covers an extensive area and has fairly uniform properties of temperature and moisture.

Question 11

1494
A jet stream is defined as wind of

Answer 11

50 knots or greater

Question 12

1496
The strength and location of the jet stream is normally

Answer 12

weaker and farther north in the summer

We love Summer

Question 13

2351
What is the approximate rate unsaturated air will cool flowing upslope (dry adiabatic lapse rate)?

Answer 13

3.0*C

Dry ALR:
3 C

Question 14

2689
The general characteristics of the troposphere is

Answer 14

an overall decrease in temperature with an increase in altitude.

DeT InA

Question 15

2860
A good indication of the stability of an airmass is

Answer 15

the form and structure of the clouds.

Stability o/Air Mass:
- Form
- & Structure

Question 16

2936
When crossing a fast-moving narrow frontal zone which is associated with a cold front, what changes in weather conditions would you expect?

Answer 16

A rapid change in temperature and wind.

Question 17

2739
The stability of an air mass can usually be determined by

Answer 17

Moisture and temperature

Question 18

3300
What weather phenomenon might you expect when a cold front moves over a mountainous region?

Answer 18

Possibility of icing conditions.

Phenomenon Cold Front over Mountains:
Possible Ice 🧊

Question 19

2033
The amount of water vapor which air can hold largely depends on

Answer 19

Air temperature.

Question 20

2302
A temperature inversion will normally form only

Answer 20

In stable air.

Question 21

2971
The stability of an air mass can usually be determined by

Answer 21

Cloud types and types of precipitation.

Types and Types