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Aviation Weather Final Exam Questions and Answers, Exams of Aviation

A series of questions and answers related to aviation weather, covering topics such as air movement, pressure differentials, heat exchange, altimeter settings, wind patterns, convective circulation, temperature inversions, dew point, cloud formation, air masses, fronts, air stability, mountain waves, thunderstorms, wind shear, icing, fog, and weather reporting. The questions and answers provide a comprehensive overview of the key concepts and principles in aviation meteorology, making this document a valuable resource for pilots, aviation students, and professionals in the field. The level of detail and the range of topics covered suggest that this document could be used as study notes, lecture notes, or a summary for an aviation weather course or exam preparation.

Typology: Exams

2024/2025

Available from 10/28/2024

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Aviation Weather Final Exam Questions
and Answers Already Graded A
Every physical process of weather is accompanied by, or is the result of, a
a. Movement of air
b. Pressure differential
c. Heat exchange โœ”โœ”C. Heat Exchange
What causes variations in altimeter settings between weather points?
a. Unequal heating of the Earth's surface
b. Variation of terrain elevation
c. Coriolis Force โœ”โœ”A. Unequal heating of the Earth's surface
The wind at 5,000 feet AGL is southwesterly while the surface wind is southerly. This difference
in direction is primarily due to
a. Stronger pressure gradient at higher altitudes
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Aviation Weather Final Exam Questions

and Answers Already Graded A

Every physical process of weather is accompanied by, or is the result of, a

a. Movement of air

b. Pressure differential

c. Heat exchange โœ”โœ”C. Heat Exchange

What causes variations in altimeter settings between weather points?

a. Unequal heating of the Earth's surface

b. Variation of terrain elevation

c. Coriolis Force โœ”โœ”A. Unequal heating of the Earth's surface

The wind at 5,000 feet AGL is southwesterly while the surface wind is southerly. This difference in direction is primarily due to

a. Stronger pressure gradient at higher altitudes

b. Friction between the wind and the surface

c. Stronger Coriolis force at he surface. โœ”โœ”B. Friction between the wind and the surface

Convective circulation patterns associated with sea breezes are caused by

a. Warm, dense air moving inland from over the water

b. Water absorbing and radiating heat faster than the land

c. Cool, dense air moving inland from over the water โœ”โœ”C. Cool, dense air moving inland from over the water

A temperature inversion would most likely result in which weather condition?

A. Clouds w/extensive vertical development above an inversion aloft

B. Good visibility in lower levels of the atmosphere and poor visibility above an inversion aloft

c. An increase in temperature as altitude is increased โœ”โœ”C. Increase in temperature as altitude is increased

What is meant by the term "dew point"?

If the temperature/dewpoint spread is small and decreasing, and the temperature is 62 dg. F, what type of weather is most likely to develop?

A. Freezing precipitation

B. Thunderstorms

C. Fog or low clouds โœ”โœ”C. Fog or low clouds

The boundary between two different air masses is referred to as a

A. Frontolysis

B. Frontogenesis

C. Front โœ”โœ”C. Front

One weather phenomenon which will always occur when flying across a front is a change in the

A. Wind direction

B. Type of precipitation

C. Stability of the air mass โœ”โœ”A. Wind direction

One of the most easily recognized discontinuities across a front is

A. A change in temperature

B. An increase in cloud coverage

C. An increase in relative humidity โœ”โœ”A. A change in temperature

What would decrease the stability of an air mass?

A. Warming from below

B. Cooling from below

C. Decrease in water vapor โœ”โœ”A. Warming from below

Which weather conditions should be expected beneath a low-level temperature inversion layer when the relative humidity is high?

A. Smooth air, poor visibility, fog, haze, or low clouds

B. Light wind shear, poor visibility, haze, and light rain

A. Produce stratus type clouds

B. Cause shower and thunderstorms

C. Develop convective turbulence โœ”โœ”A. Produce stratus type clouds

If an unstable air mass is forced upward, what type clouds can be expected?

A. Stratus clouds with little vertical development

B. Stratus clouds with considerable associated turbulence

C. Clouds with considerable vertical development and associated turbulence โœ”โœ”C. Clouds with considerable vertical development and associated turbulence

Crests of standing mountain waves may be marked by stationary, lens-shaped clouds known as

A. Mammatocumulus clouds

B. Standing lenticular clouds

C. Roll clouds โœ”โœ”B. Standing lenticular clouds

Possible mountain wave turbulence could be anticipated when winds of 40 knots or greater blow

A. Across a mountain ridge, and the air is stable

B. Down a mountain valley, and the air is unstable

C. Parallel to a mountain peak, and the air is stable โœ”โœ”A. Across a mountain ridge, and the air is stable

What feature is normally associated with the cumulus stage of a thunderstorm?

A. Roll cloud

B. Continuous updraft

C. Frequent lightning โœ”โœ”B. Continuous updraft

What conditions are necessary for the formation of thunderstorms?

A. High humidity, lifting force, and unstable conditions

B. High humidity, high temperature, and cumulus clouds

C. Lifting force, moist air, and extensive cloud cover โœ”โœ”A. High humidity, lifting force, and unstable conditions

C. Following frontal passage when stratocumulus clouds form indicating mechanical mixing โœ”โœ”B. In areas of low-level temperature inversion, frontal zones, and clear air turbulence

A pilot can expect a wind-shear zone in a temperature inversion whenever the windspeed at 2,000 to 4,000 feet AGL is at least

A. 10 knots

B. 15 knots

C. 25 knots โœ”โœ”C. 25 knots

The presence of ice pellets at the surface is evidence that there

A. Are thunderstorms in the area

B. Has been a cold front passage

C. Is a temperature inversion with freezing rain at a higher altitude โœ”โœ”C. Is a temperature inversion with freezing rain at a higher altitude

In which environment is aircraft structural ice most likely to have the highest accumulation rate?

A. Cumulus clouds with below freezing temperatures

B. Freezing drizzle

C. Freezing rain โœ”โœ”C. Freezing rain

What situation is most conducive to the formation of radiation fog?

A. Warm, moist air over low, flatland areas on clear, calm nights

B. Moist, tropical air moving over cold, offshore water

C. The movement of cold air over much warmer water โœ”โœ”A. Warm moist air over low, flatland areas on clear, calm nights

In which situation is advection fog most likely to form?

A. A warm, moist air mass on the inward side of mountains

B. An air mass moving inland from the coast in winter

C. A light breeze blowing colder air out to sea โœ”โœ”B. An airmass moving inland from the coast in winter

B. Frost slows the airflow over the airfoils, increasing control effectiveness

C. Frost spoils the smooth flow of air over the wings, decreasing lifting capability โœ”โœ”C. Frost spoils the smooth flow of air over the wings, decreasing lifting capability

For aviation purposes, ceiling is defined as the height above the Earth's surface of the

A. Lowest reported obscuration and the highest layer of clouds reported as overcast

B. Lowest broken or overcast layer or vertical visibility into an obscuration

C. Lowest layer of clouds reported as scattered, broken or thin โœ”โœ”B. Lowest broken or overcast layer or vertical visibility into an obscuration

From which primary source should information be obtained regarding expected weather at the estimated time of arrival if your destination has no Terminal Forecast?

A. Weather Depiction Chart

B. Area Forecast

C. Low-Level Prognostic Chart โœ”โœ”B. Area Forecast

To determine the freezing level and areas of probable icing aloft, the pilot should refer to the

A. Inflight Aviation Weather Advisories

B. Area Forecast

C. Weather Depiction Chart โœ”โœ”A. Inflight Aviation Weather Advisories

What values are used for Winds Aloft Forecasts?

A. Magnetic direction and knots

B. Magnetic direction and miles per hour

C. True direction and knots โœ”โœ”C. True direction and knots

When the term "light and variable" is used in reference to a Winds Aloft Forecast, the coded rout and windspeed is

A. 0000 and less than 7 knots

B. 9900 and less than 5 knots

C. 9999 and less than 10 knots โœ”โœ”B. 9900 and less than 5 knots

C. All aircraft โœ”โœ”C. All aircraft

AIRMETs are advisories of significant weather phenomena but of lower intensity than SIGMETs and are intended for dissemination to

A. Only IFR pilots

B. All pilots

C. Only VFR pilots โœ”โœ”B. All pilots

What services should a pilot normally expect from an En Route Flight Advisory Service (EFAS)?

A. Actual weather information and thunderstorm activity along the route

B. Preferential routing and radar vectoring to circumnavigate severe weather

C. Severe weather information, changes to flight plans, and receipt of routine position reports โœ”โœ”A. Actual weather information and thunderstorm activity along the route