Thunderstorms are often preceded by:
Domanda 293, Meteorology - ATPL - Airline Transport Pilot license
| Nimbostratus |
| Altocumulus Castellanus |
| Altocumulus Lenticularis |
| Altostratus |
| Nimbostratus |
| Altocumulus Castellanus |
| Altocumulus Lenticularis |
| Altostratus |
