Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

General concept of extreme event classification_
| Main categories | Meteorological | Hydrological | Geomorphological | Oceanographical | Other |
|---|---|---|---|---|---|
| [M] | [H] | [G] | [O] | [X] | |
| Types and subtypes | M-1 | H-1 | G-1 | O-1 | X-1 |
| M-2 | H-2 | G-2 | O-2 | X-2 | |
| M-3 | H-3 | G-3 | O-3 | X-3 | |
| … | … | … | … | … | |
| M-n | H-n | G-n | O-n | X-n | |
| Events | Combined/Synergistic | ||||