weather

2. Stands for meteorological aerodrome report
3. Relative movement of disturbed air through which an aircraft is flying
6. A brilliant electric discharge in the sky
9. To stay away from something
10. The oposite of an IFR flight
12. Front Defined as the transition zone where a cold air mass is replacing a warmer air mass.
13. When the flight changes its destination

1. When flight changes its course
4. A dense, towering vertical cloud. These clouds are capable of producing lightning and other dangerous severe weather
5. Winds of different speeds and directions are close together
7. Any wind that has a perpendicular component to the line or direction of travel
8. A pellet of hail.
11. Cloud formed by ice cristals