Weather

Question 1

What is a characteristic of unstable air?

Answer 1

Turbulence, showery rain

Question 2

What is characteristic of stable air?

Answer 2

Poor visibility, steady rain

Question 3

What is standard day?

Answer 3

Pressure altitude equals density altitude. 15 degree Celsius and 29.92 hz. (Pressure at sea level)

Question 4

What is an outlook weather briefing?

Answer 4

An outlook weather briefing is requested if your flight is 6 hours or more in the future as well as current weather conditions.

Question 5

What is a standard weather briefing?

Answer 5

Brief statement describing the type, location and movement of weather systems and air masses that may affect your flight.

Question 6

What are the three things needed to form thunderstorms?

Answer 6

Moisture in the air, an unstable atmosphere, and a lifting force.

Question 7

What is the three stages of thunderstorms?

Answer 7

Cumulus stage, mature stage, and dissipating stage.

Question 8

What is a characteristic of cumulus stage?

Answer 8

Updrafts. 3-5 mile height.

Question 9

Characteristics of the mature stage?

Answer 9

Most dangerous stage. Both updrafts and downdraft. Rain marks the beginning of the mature stage. Lightening, turbulence and hail. Microburts can occur at this stage which can last for 2-5minutes. Winds up to 168 mph.

Question 10

Characteristics of dissipating stage?

Answer 10

This stage mostly consists of downdraft. Could be some moisture, light rain.