| Kód | Význam |
|---|---|
| OBSC TS | Obscured thunderstorm |
| EMBD TS | Embedded thunderstorm |
| FRQ TS | Frequent thunderstorms |
| SQL TS | Squall line |
| SEV TURB | Severe turbulence |
| SEV ICE | Severe icing |
| SEV ICE (FZRA) | Severe icing / freezing rain |
| SEV MTW | Severe mountain waves |
| HVY DS/SS | Heavy dust/sand storm |
| RDOACT CLD | Radioactive cloud |
| VA CLD | Volcanic ash cloud |
| TC | Tropical cyclone |
| NC | No change (intensity) |
| INTSF | Intensifying |
| WKN | Weakening |