high-level significant weather chart Flashcards
1
Q
what do high-level significant weather charts show
A
- coverage bases & tops of thunderstorms & CB clouds
- moderate & severe turbulence
- jet streams
- tropical cyclones
- tropopause height
- severe squall lines
- volcanic eruptions sites
- widespread sand & dust storms
2
Q
when are high-level significant weather charts issued
A
4 times a day
3
Q
what area do high-level significant weather charts cover
A
FL240 - FL630