Lidar Measurements of the Vertical Distribution of Aerosol Optical and Physical Properties over Central Asia

Table 1

Weather types with dominant synoptic scale motion¹.

Basic weather type	Extended type	Synoptic motion	Types of synoptic processes	Pollution source	Vertical uplift
Convective	Anticyclonic CA	Subsidence	9	S3 in warm half year,; S4—in cold	Up to 3 km
	Indifferent CI	Small-scale circulations	12, 12a	S1	Up to 1–3 km
	Cyclonic CC	Lifting	8	S4	All troposphere
Advective	West AW	W at 500 hPa	5, 7, 10, and 14	S3—7, 10, and 14; S4—5	Up to 5–7 km and above
	North AN	NW-N at 500 hPa	6	S4	Up to 2–4 km
	South AS	S-SW at 500 hPa	4, 11, 13, and 13a	S1—4, 11; S2—13 and 13a	Up to 2–5 km
Mixed	M	Active cyclone or high frontal zone	1, 2, 3, 9a, and 9b	S1—3; S2—1, 2; S3—9a, 9b	Up to 5–7 km and above

1Definitions are in the text, Section 3.