Meteorology (Frontal Systems,icing, Fog, Thunderstorms And Wind Shear)

Question 1

You are on shift and, during weather check for a pending flight request, you notice that the latest METAR. shows that the wind has shifted from 230-350, the temperature and dew point have dropped, and the pressure has begun to rise. What has happened?

Answer 1

A cold front has passed

Question 2

What types of weather can you expect from moist, unstable air and very warm surface temperatures?

Answer 2

Cumulus clouds, showers and turbulence

Question 3

You receive a call for a flight 1 hr before sunrise. It is mid-April and your weather check shows clear skies and light to no winds conditions. The visibility has reduced for the past two hrs and the temp/dew point spread is near 4 degree mark. What kind of conditions can you expect if you accept the flight?

Answer 3

Radiation Fog

Question 4

What are some symptoms of hypoxia?

Answer 4

Cyanosis, headache, lethargy, impaired judgement and vision, dizziness

Question 5

If the Pitot tube becomes clogged which instrument becomes unreliable?

Answer 5

Airspeed indicator

Question 6

How long is an Area Forecast valid?

Answer 6

Issued 3x a day valid for 18 hrs total. (12 hr forecast plus 6 hr outlook)

Question 7

What are the stage and life cycle of a thunderstorm?

Answer 7

Cumulus Stage (Updrafts), Mature (up and down drafts & rain begins) and dissipating (down draft rain ends)

Question 8

What causes wind?

Answer 8

Uneven heating of the earths surface. Air flows high to low pressure