CPC Weather Interpretation & Meteorology for Controllers 1

Question 1

What is a SIGMET and when is it issued?

Accepted Answer

A non-convective weather advisory for severe or extreme conditions affecting all aircraft

Answer

A routine weather advisory issued daily

Answer

A pilot weather report of turbulence

Answer

A forecast for airport surface conditions

Question 2

A Convective SIGMET is automatically issued when a thunderstorm cell contains hail at the surface of at least:

Accepted Answer

3/4 inch diameter

Answer

1/2 inch diameter

Answer

1 inch diameter

Answer

2 inch diameter

Question 3

What weather phenomenon is most commonly associated with clear-air turbulence (CAT)?

Accepted Answer

Jet stream boundaries and wind shear

Answer

Thunderstorm activity at cruise altitude

Answer

High pressure systems over mountains

Answer

Frontal passage at low altitudes

Question 4

When a pilot reports a ceiling of 800 feet and visibility of 1.5 miles, the conditions are classified as:

Accepted Answer

IFR

Answer

VFR

Answer

MVFR

Answer

LIFR

Question 5

Which weather product provides a 24–48 hour forecast of enroute conditions including turbulence, icing, and freezing levels?

Accepted Answer

FA (Area Forecast)

Answer

METARs

Answer

AIRMETs

Answer

PIREP

Question 6

What does the AIRMET SIERRA advisory specifically warn pilots about?

Accepted Answer

Instrument flight rule conditions and mountain obscuration

Answer

Severe turbulence

Answer

Icing in clouds

Answer

Low-level wind shear