METAR Quiz
Questions: 16 · 10 minutes
1. What does Q1013 specify in a METAR?
A station pressure of 1,013 inches of mercury
A cloud base at 1,013 feet above mean sea level
A pressure tendency increase of 10.13 hectopascals
A QNH altimeter setting of 1,013 hectopascals
2. Which description best matches CAVOK in an ICAO METAR?
The sky is completely cloud-free and visibility is unlimited
Visibility is at least 10 kilometres, with no significant weather and no operationally significant low cloud, cumulonimbus, or towering cumulus
Visibility exceeds 5 kilometres, regardless of weather or cloud
Ceiling and visibility meet the local minimum required for every type of approach
3. How should BKN020 be decoded?
A bank of cloud covers the entire sky at 200 feet
Broken cloud covers 2 oktas at 2,000 metres
Cloud coverage is becoming broken within 20 minutes
Broken cloud, normally 5-7 oktas, has a base 2,000 feet above the aerodrome
4. In a METAR, what does AUTO indicate?
The report has been automatically corrected after transmission
The report applies only to automated flight operations
The observation was produced by an automated station without human intervention
The weather is suitable for automatic landing systems
5. In a METAR using the U.S. altimeter format, what does A2992 mean?
The station elevation is 2,992 feet
The altimeter setting is 2,992 hectopascals
The altimeter setting is 29.92 inches of mercury
The pressure has risen 29.92 hectopascals
6. What is the primary purpose of a METAR?
To publish permanent information about an airport
To forecast expected aerodrome weather over several hours
To report observed weather at an aerodrome at a specified time
To warn only of hazardous weather along an entire route
7. A METAR contains 18012G20KT. What wind is being reported?
Wind toward 180 degrees at 12 knots, varying to 20 degrees
Wind from 180 degrees at 12 knots, gusting to 20 knots
Wind from 180 degrees at 12 kilometres per hour, gusting to 20
Wind from 180 degrees at 20 knots, decreasing to 12 knots
8. A temperature and dew-point group reads M02/M05. How should it be decoded?
The air temperature is plus 2 degrees Celsius, and the dew point is plus 5 degrees Celsius
The air temperature is minus 5 degrees Celsius, and the dew point is minus 2 degrees Celsius
The air temperature is minus 2 degrees Fahrenheit, and the dew point is minus 5 degrees Fahrenheit
The air temperature is minus 2 degrees Celsius, and the dew point is minus 5 degrees Celsius
9. In the ICAO visibility format, what does 9999 normally mean?
Prevailing visibility is exactly 9,999 metres
Prevailing visibility is 10 kilometres or more
Visibility is unavailable because the sensor has reached an error limit
Vertical visibility is unrestricted above 9,999 feet
10. A METAR reports wind from 270 degrees at 15 knots. Among runways 09, 18, 27, and 36, which runway is most directly aligned for a headwind?
Runway 09
Runway 27
Runway 36
Runway 18
11. What does the runway visual range group R18/0600U indicate?
Runway 18 is 600 metres long and currently usable
Runway 18 has an RVR of 600 metres with no measurable trend
Runway 18 has an RVR of 6,000 metres and the value is decreasing
Runway 18 has an RVR of 600 metres and the value is increasing
12. What weather is represented by -RA BR?
Light rain with mist
Recent heavy rain with blowing spray
Freezing rain with patches of fog
Rain showers with blowing dust
13. A report includes VV003. What condition does this describe?
The sky is obscured, with vertical visibility of 300 feet
Visibility varies by 300 metres around the aerodrome
Three oktas of cloud are present at an unspecified height
Vertical visibility is greater than 3,000 feet
14. A U.S.-format METAR reports visibility as 1/2SM. What does this mean?
Visibility varies between one and two statute miles
Visibility is one-half nautical mile
Prevailing visibility is one-half statute mile
Visibility is two statute miles in one direction only
15. How should the time group 121651Z be interpreted?
The 12th day of the month at 16:51 UTC
The 12th day of the month at 16:51 local standard time
The 16th day of the month at 12:51 local time
The 12th month, 16th day, at 05:01 UTC
16. When included in a METAR trend forecast, what does NOSIG mean?
No significant change is expected during the applicable trend period
No weather observations are available from the station
No significant cloud is present at any altitude
No signal has been received from the wind sensor