Aviation Weather Services

Question 1

“WND” in the categorial outlook the Aviation Area Forecast means that the wind for that period is forecast to be a

Answer 1

Sustained surface windspeed of 20 knots or greater

Question 2

What does a convective outlook (AC) describe for the following 24 hour period?

Answer 2

General thunderstorm activity

Question 3

A “VRB” entry in a TAF indicates that the wind is

Answer 3

3 knots or less

Question 4

The body of a TAF covers a geographical proximity within a

Answer 4

5 statute mile radius from the center of the airport runway complex

Question 5

Absence of the sky condition and visibility on an ATIS broadcast specifically implies that

Answer 5

the ceiling is more than 5,000 feet and visibility is 5 miles or greater

Question 6

Which meteorological condition is issued in the form of a SIGMET (WS)?

Answer 6

Widespread sand or dust storms affecting at least 3,000 square miles or an area deemed to have a significant affect on the safety of general aircraft operations

Question 7

When are ATIS broadcasts updated?

Answer 7

Upon receipt of any official weather, regardless of content change or reported values

Question 8

What is the maximum forecast period for AIRMETS?

Answer 8

6 hours

Question 9

What important information is provided by the Radar Summary Chart that is not shown on other weather charts?

Answer 9

Lines and cells of hazardous thunderstorms

Question 10

What flight planning information can a pilot derive from constant pressure charts?

Answer 10

Wind and temperatures aloft

Question 11

The Surface Analysis Chart depicts

Answer 11

Actual frontal positions, pressure patterns, temperature, dewpoint, wind, weather, and obstructions to vision at the time of the chart