Quiz: IFR Weather Challenge : IFR Focus

The Low-Level Significant Weather Prognostic Chart depicts weather conditions

that existed at the time shown on the chart which is about 3 hours before the chart is received.

that are forecast to exist at a valid time shown on the chart.

as they existed at the time the chart was prepared.

Correct! Wrong!

If a cold front advances over a mountainous area, what weather phenomenon would you expect to encounter?

Possibility of icing conditions.

Clear skies and little to no turbulence.

Calm winds an no icing.

Correct! Wrong!

Pilots on IFR flights seeking ATC in flight weather avoidance assistance should keep in mind that

ATC radar limitations and, frequency congestion may limit the controllers capability to provide this service.

ATC Narrow Band Radar does not provide the controller with weather intensity capability.

circumnavigating severe weather can only be accommodated in the en route areas away from terminals because of congestion.

Correct! Wrong!

Fair weather cumulus clouds often indicate

poor visibility.

smooth flying conditions.

turbulence at and below the cloud level.

Correct! Wrong!

As a first step in planning an instrument cross-country in actual IFR conditions, you should:

Investigate the big picture, using the surface analysis chart.

Read the METARs for the airports along the intended route of flight.

Review the TAFs for departure and destination airports.

Correct! Wrong!

A pilot planning to depart at 1100Z on an IFR flight is particularly concerned about the hazard of icing. What sources reflect the most accurate information on icing conditions (current and forecast) at the time of departure?

Low-Level Significant Weather Prognostic Chart

Pilot weather reports (PIREPs), AIRMETs, and SIGMETs.

Freezing Level Chart.

Correct! Wrong!

What type of weather conditions would you expect to encounter if you are advised that nimbostratus clouds will be present along your route of flight?

Thin wispy clouds.

Thick, layered clouds with rain.

Clouds with extensive vertical development.

Correct! Wrong!

Which weather condition can be expected when moist air flows from a relatively warm surface to a colder surface?

Increased visibility.

Fog

Convective turbulence due to surface heating.

Correct! Wrong!

The 24-Hour Low-Level Significant Weather Prog at 18Z indicates that the eastern half of Wisconsin will likely experience:

ceilings 1,000 to 3,000 feet and visibility 3 to 5 miles.

clear sky and visibility greater than 6 miles.

ceilings less than 1,000 feet, visibility less than 3 miles.

Correct! Wrong!

What type of weather can be expected in the red scalloped area near area 9?

2/8 to 6/8 coverage, occasional embedded thunderstorms, tops at FL 330.

Isolated embedded cumulonimbus with tops to FL330.

1/8 to 4/8 coverage, occasional embedded thunderstorms, maximum tops at 51,000 feet MSL.

Correct! Wrong!

Quiz: IFR Weather Challenge

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