Meteorology Questions

The troposphere extends from the surface to approximately:

The atmosphere is composed of approximately:

In which atmospheric layer does most weather occur?

The tropopause is the boundary between the:

In the stratosphere, temperature generally:

The International Standard Atmosphere (ISA) assumes a sea level temperature of:

The ISA temperature lapse rate in the troposphere is:

The dry adiabatic lapse rate (DALR) is approximately:

The saturated adiabatic lapse rate (SALR) is:

A temperature inversion is a layer where temperature:

The environmental lapse rate (ELR) is:

ISA sea level pressure is:

QNH is the altimeter setting that causes the altimeter to read:

QFE is the altimeter setting that causes the altimeter to read:

When flying from a high pressure area to a low pressure area without resetting the altimeter, the altimeter will:

The transition altitude is the altitude above which vertical position is expressed as:

Pressure altitude is the altitude indicated when the altimeter is set to:

In the Northern Hemisphere, the Coriolis force deflects moving air to the:

Geostrophic wind flows:

Buys Ballot's Law states that in the Northern Hemisphere, if you stand with your back to the wind:

The jet stream is typically found near the:

The polar front jet stream typically has wind speeds exceeding:

A sea breeze develops because:

A land breeze typically occurs:

A katabatic wind is caused by:

The Foehn (Chinook) effect produces:

The trade winds in the Northern Hemisphere blow from the:

The Intertropical Convergence Zone (ITCZ) is characterized by:

Cumulonimbus clouds can extend from near the surface to:

Which cloud type is classified as high-level?

Lenticular clouds (Altocumulus lenticularis) indicate:

Stratiform clouds are formed primarily by:

The cloud base can be estimated using the formula:

Freezing rain occurs when:

Severe airframe icing is most likely in:

Clear ice forms when:

Rime ice forms when:

Carburettor icing can occur at outside air temperatures up to:

Radiation fog forms best under conditions of:

Advection fog forms when:

Mist is reported when visibility is between:

In a METAR, fog is reported when visibility is below:

At a warm front, the approaching warm air:

The typical cloud sequence ahead of an approaching warm front is:

At a cold front, the approaching cold air:

Which type of front typically produces the most intense but short-duration precipitation?

An occluded front forms when:

The three stages of a thunderstorm are:

The mature stage of a thunderstorm is characterized by:

A microburst is a localized column of:

An aircraft encountering a microburst on approach will first experience:

Clear air turbulence (CAT) is most frequently associated with:

CAT is most likely found on which side of a jet stream core?

Mountain waves can produce turbulence:

A tropical cyclone is classified as a hurricane or typhoon when sustained winds reach:

Tropical cyclones in the Northern Hemisphere rotate:

Tropical cyclones cannot form:

In a METAR, CAVOK means:

In a METAR, wind reported as 24015G27KT means:

In a METAR, what does BKN025 mean?

A TAF is a forecast valid for:

In a TAF, TEMPO indicates:

In a TAF, BECMG indicates:

PROB30 in a TAF means:

On a surface synoptic chart, closely spaced isobars indicate:

A col on a synoptic chart is:

A ridge on a pressure chart is:

A trough on a pressure chart is:

Orographic cloud forms when:

The most dangerous area of a mountain wave for aircraft is the:

Wind shear is most dangerous to aircraft during:

Volcanic ash is hazardous to aircraft because it can:

A SIGMET provides warnings of:

An AIRMET provides warnings of weather phenomena that may affect the safety of:

The standard pressure lapse rate in the lower atmosphere is approximately:

The ISA temperature at FL100 is:

An atmosphere where the ELR is greater than the DALR is said to be:

Conditional instability exists when the ELR lies between:

Nimbostratus clouds produce:

Altocumulus castellanus clouds indicate:

After a cold front passes, you can expect:

The warm sector of a depression is the area:

The Hadley Cell extends from the equator to approximately:

The subtropical high pressure belt is located at approximately:

Surface friction causes wind to:

Veering wind is wind that changes direction:

In a METAR, +TSRA means:

In a METAR, SCT means cloud coverage of:

Upslope fog forms when:

Steam fog (arctic sea smoke) forms when:

Hail is most commonly associated with:

A squall line is:

The eye of a tropical cyclone is characterized by:

The most dangerous part of a tropical cyclone is the:

Density altitude is pressure altitude corrected for:

Significant weather (SIGWX) charts are issued for which flight levels?

The ozone layer is found primarily in the:

The temperature range most conducive to airframe icing is:

Wind speeds reported in a METAR are averaged over:

St. Elmo's fire on an aircraft indicates: