1. [[ATIS]] / [[AWOS]] 2. [[Winds Aloft]] forecast 3. Smoke, flags, dust clouds, water fountains 4. [[Wind Shadow]] 5. Crab angle required to maintain ground track 6. Wind indicator on avionics > [!quote] From [[AIM 10]]-2 > Common natural sources of wind direction information are smoke, dust, vegetation movement, water streaks and waves. Flags, pennants, streamers can also be used. When describing the direction, use the compass direction from which the wind is blowing (example: from the North−West).