What are the two types of clouds that can be reported by name in METAR and TAF?

• Altostratus (AS), Cirrostratus cloud (CS)

• Cumulonimbus (CB), Towering cumulus (TCU)

• Stratocumulus (SC), Stratus (ST)

The boundary between the troposphere and stratosphere is called the ..........

• mesosphere

• stratopause

• tropopause

................ is the terminal aerodrome forecast, ................ is the name of code for an aviation routine weather report and ................... is the name of the code for an aviation special weather report:

• AIRMET, PIREP and SPECI

• TAF, METAR and SPECI

• SPECI, METAR and AIRMET

AMETAR contains the code SCT035CB what does this mean?

• 1-2 oktas of cumulonimbus cloud base 3500 ft.

• 3-4 oktas of cumulonimbus cloud base 3500 ft.

• 5-7 oktas of cumulonimbus cloud base 3500 ft.

When visibility is reduced by water droplets or ice crystals to 1000 meters up to 5000 meters it is classified as:

• Fog (FG)

• Haze (HZ)

• Mist (BR)

What cloud types are classified as medium cloud?

• Cirrostratus (Cs), Cirrocumulus (Cc)

• Stratocumulus (Sc), Stratus (St)

• Altostratus (As), Altocumulus (Ac)

ASPECI contains the codes, +TSRA what does this mean?

• light thunderstorm with rain

• moderate shower rain

• thunderstorm with heavy rain

The layer extending from the surface to an average altitude of about 36,000 ft feet is called:

• stratosphere

• troposphere

• mesosphere

What are the four basic groups or families of clouds?

• Stratus, stratocumulus, cumulus, cirrocumulus.

• Low, middle, high and clouds with vertical development.

• Cumulus stage, stratus, altocumulus, altostratus.

Lines connecting points of equal pressure are called.....................

• isobars

• cyclone

• isotherm