10 Questions
How are wind shifts defined in the text?
A change in direction by at least 45 degrees
When can data from alternate equipment be used for determining winds according to the text?
Only when the primary sensor is considered unrepresentative
How should wind direction be determined manually using a compass?
Take a 2-minute average reading
What is the minimum criteria for sustained winds during a wind shift according to the text?
At least 10 knots
When should winds be reported as estimated according to the text?
When obtained from any source other than the primary sensor for the active runway
What is the main consideration while determining the predominant wind direction manually?
Take note of the limits of variability for reporting
In wind observing standards, what speed qualifies as peak wind data?
The highest measured wind speed of all sensors
What should be done with incomplete wind records if peak wind speed occurred within the missing data period?
Treat it as missing data
'Predominant wind direction' refers to which type of measurement according to the text?
'Primary' measurement
'Peak wind data' is determined by which sensors according to the text?
'Primary' active wind sensor only
Test your knowledge on wind variability and surface visibility. Questions cover topics like sensed wind variability for speeds above 6 knots and prevailing surface visibility in meters and statute miles.
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