DADE DADE Weather & Meteorology 2

Question 1

What is the definition of a thunderstorm's squall line as relevant to dispatch planning?

Accepted Answer

A narrow band of active thunderstorms along or ahead of a cold front

Answer

A single isolated thunderstorm cell

Answer

A line of dissipating storm cells

Answer

A stationary thunderstorm over a mountain range

Question 2

What does a negative temperature deviation from ISA indicate for aircraft performance planning?

Accepted Answer

Improved engine performance and shorter takeoff distances

Answer

Reduced engine performance and longer takeoff distances

Answer

No effect on aircraft performance

Answer

Increased fuel consumption only

Question 3

Which meteorological condition creates the most significant density altitude concern for dispatch at high-elevation airports?

Accepted Answer

High temperatures combined with high humidity and high elevation

Answer

Low humidity and cold temperatures

Answer

High barometric pressure with moderate temperatures

Answer

Strong surface winds from the north

Question 4

What is the significance of a PIREP reporting moderate rime icing at a specific altitude for dispatch?

Accepted Answer

It provides real-time icing conditions useful for route planning and altitude selection

Answer

It can be disregarded for jet transport aircraft

Answer

It only applies to propeller-driven aircraft

Answer

It indicates conditions have improved since the report

Question 5

What ceiling and visibility values define visual meteorological conditions (VMC) in the US?

Accepted Answer

Ceiling at or above 3,000 feet and visibility 5 miles or greater

Answer

Ceiling at or above 1,000 feet and visibility 3 miles or greater

Answer

Ceiling at or above 500 feet and visibility 1 mile or greater

Answer

Any ceiling with visibility above 10 miles

Question 6

How should a dispatcher account for headwinds when filing an IFR flight plan fuel load?

Accepted Answer

Headwinds increase flight time and fuel consumption requiring additional fuel

Answer

Headwinds reduce fuel consumption so less fuel is needed

Answer

Headwinds only affect altitude selection, not fuel

Answer

Average wind conditions are used regardless of forecast winds