Lithometeors

(Section 3.1.2)

Table 16. Classification of lithometeors

Designation of meteor	Symbol	Designation of meteor	Symbol
(a) Suspension of particles in atmosphere		(b) Ensemble raised by wind
Haze		Drifting and blowing dust/sand
Dust haze		Drifting dust or sand
Smoke		Blowing dust or sand
		Dust storm or sandstorm
		Wall of dust or sand
		Dust/sand whirl (dust devil)

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The text enclosed in grey-shaded boxes, like this example, comprises Annex I to the Technical Regulations (WMO-No. 49) and has the legal status of standard practices and procedures.

Lithometeors

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