Weather 5

Question 1

The National Convective Weather Forecast provides forecasts for

Answer 1

hazardous convective weather in the U.S. only.

Question 2

As you approach an airport to land, you observe convective clouds over the airport with virga below. This could indicate

Answer 2

the presence of a microburst

Question 3

What are some weather indications of the imminent passage of a cold front?

Answer 3

High dew point, falling barometric: pressure.

Question 4

If ice pellets are falling while you are performing your preflight inspection, what does
this indicate?

Answer 4

An inversion is taking place .

Question 5

Where is the strongest turbulence in the jet stream found

Answer 5

On the polar side of the jet stream due to decreasing winds

Question 6

What is tropopause?

Answer 6

boundary between troposphere and stratosphere

Question 7

You are flying on a warm, sunny day, and a scattered cumulus cloud layer is above you.
You should

Answer 7

climb above the cumulus layer for smoother air.

Question 8

What type of weather conditions can be expected before the passage of an occluded front?

Answer 8

Precipitation and poor visibility .

Question 9

Where are you most likely to encounter clear air turbulence (CAT)?

Answer 9

Between 20,000 feel and 50,000 feet in a cloud-free area.

Question 10

When flying over a mountain range with turbulence, mountain waves cause downdrafts on the

Answer 10

crest and downwind of the mountain range for hundreds of miles.

Question 11

Large changes In attitude and altitude, changes in airspeed, and momentary loss of control is
reported as

Answer 11

Sever Turbulence

Question 12

The jet stream is strongest

Answer 12

In the Northern and southern hemispheres winters.

Question 13

Which kind of wind shear is most hazardous?

Answer 13

Convective wind shear.

Question 14

1112/1212

Answer 14

1200Z on the 111h day of the month ta 1200Z on the 12th day of the month.

Question 15

Cumuliform clouds: NONE
Plane: Change in altitude and positive control
Reaction inside: Feel definite strain against seatbelt

Answer 15

Moderate CAT

Question 16

A supercell thunderstorm is near your destination airport. You should be aware that
these storms

Answer 16

may remain for several hours.

Question 17

The standard temperature lapse rate below the tropopause

Answer 17

remains the same.

Question 18

You are flying and notice virga above your airport of intended landing and dust billowing up
from the ground.

Answer 18

You should flyaway from the airport as this is an indication of a microburst

Question 19

The weather forecast for the next morning at a coastal airport includes temperature 16 C, dew
point 16 C, and winds 180 at 10 knots. What weather is expected?

Answer 19

Foggy, with god intensifying until wind increasing above 15 knots

Question 20

What weather phenomenon often spawns tornadoes?

Answer 20

A squall line

Question 21

Jet streams are bands of strong wind

Answer 21

in the upper levels of the atmosphere.

Question 22

Which is a danger of a gust front associated with a thunderstorm?

Answer 22

Low level wind shear.

Question 23

OCNL SE\/ CAT BTN FL280 AND FL350

Answer 23

Occasional several clear air turbulence between FL 280 and FL 350

Question 24

When precipitation falls through air that is more than 0 C into air that is less than 0 C, what
weather conditions can you expect?

Answer 24

Freezing precipitation

Question 25

A temperature inversion is a layer in which

Answer 25

temperature increases with altitude.

Question 26

6000 9000

9900 2425+07

Answer 26

240 true at 25knots

Question 27

if the temperature lapse rate decreases, what happens to the stability of the air?

Answer 27

Stability increases

Question 28

PROB30 0121/0211 1SM + TSRA

Answer 28

30% chance of thunderstorms, heavy rain, and 1 statute mile visibility

Question 29

Advection fog in coastal areas ls most commonly caused by

Answer 29

warm, moist air passing over a cool surface

Question 30

When flying over a mountain range, when would you encounter the strongest turbulence?

Answer 30

Downwind of the mountain range.

Question 31

Frost on wings

Answer 31

the flow of smooth air will separate over the wing surface at an angle of attach less then the critical AOA

Question 32

In the northern hemisphere, how does air move from an area of high pressure to an area of
low pressure?

Answer 32

It moves in a clockwise, outward, and downward manner into an area of rising low pressure

Question 33

If a surface-based temperature inversion is being reported at your departure airport, you
can expect

Answer 33

low-level wind shear.

Question 34

RAB31

Answer 34

rain began at 2031Z