Name	Notation	Description	Types	Status
Airframe icing	AIRFRAME_ICING	Airframe icing	Concept	stable
Atmospherics	ATMOSPHERICS	Atmospherics	Concept	stable
Cloud	CLOUD	Cloud	Concept	stable
Cloud clear	CLOUD_CLEAR	Cloud clear	Concept	stable
Cold front above the surface	COLD_FRONT_ABOVE_THE_SURFACE	Cold front above the surface	Concept	stable
Cold front at the surface	COLD_FRONT_AT_THE_SURFACE	Cold front at the surface	Concept	stable
Convergence line	CONVERGENCE_LINE	Convergence line	Concept	stable
Duststorm	DUSTSTORM	Duststorm	Concept	stable
Instability line	INSTABILITY_LINE	Instability line	Concept	stable
Intertropical front	INTERTROPICAL_FRONT	Intertropical front	Concept	stable
Jet stream	JETSTREAM	Jet stream	Concept	stable
Mountain wave	MOUNTAIN_WAVE	Mountain wave	Concept	stable
Occlusion	OCCLUSION	Occlusion	Concept	stable
Phenomenon	PHENOMENON	Phenomenon	Concept	stable
Quasi-stationary front above the surface	QUASI-STATIONARY_FRONT_ABOVE_THE_SURFACE	Quasi-stationary front above the surface	Concept	stable
Quasi-stationary front at the surface	QUASI-STATIONARY_FRONT_AT_THE_SURFACE	Quasi-stationary front at the surface	Concept	stable
Radiation	RADIATION	Radiation	Concept	stable
Sandstorm	SANDSTORM	Sandstorm	Concept	stable
Special clouds	SPECIAL_CLOUDS	Special clouds	Concept	stable
Storm	STORM	Storm	Concept	stable
Thunderstorm	THUNDERSTORM	Thunderstorm	Concept	stable
Tropical cyclone	TROPICAL_CYCLONE	Tropical cyclone	Concept	stable
Tropopause	TROPOPAUSE	Tropopause	Concept	stable
Turbulence	TURBULENCE	Turbulence	Concept	stable
Volcano	VOLCANO	Volcano	Concept	stable
Warm front above the surface	WARM_FRONT_ABOVE_THE_SURFACE	Warm front above the surface	Concept	stable
Warm front at the surface	WARM_FRONT_AT_THE_SURFACE	Warm front at the surface	Concept	stable