Quiz BPL Hot Air - Page 3

How can wind speed and wind direction be derived from surface weather charts?	4 Answers
Which force causes "wind"?	4 Answers
Above the friction layer, with a prevailing pressure gradient, the wind direction is...	4 Answers
Which of the stated surfaces will reduce the wind speed most due to ground friction?	4 Answers
The movement of air flowing together is called...	4 Answers
The movement of air flowing apart is called...	4 Answers
What weather development will result from convergence at ground level?	4 Answers
When air masses meet each other head on, how is this referred to and what air movements will follow?	4 Answers
What are the air masses that Central Europe is mainly influenced by?	4 Answers
With regard to global circulation within the atmosphere, where does polar cold air meets subtropical warm air?	4 Answers

Quiz BPL Hot Air - Balloon Pilot License - Meteorology Page 3