Study on a Large-Scale Persistent Strong Dense Fog Event in Central and Eastern China

Table 2

Inversion characteristics of the boundary layer in the fog event of Xingtai Sounding Station.

Date	Inversion bottom (m)/Tb (°C)	Inversion top (m)/Tt (°C)	Inversion thickness (m)	Inversion intensity (°C/100 m)	Height of fog top (m)	Visibility (m)
20161231 08:00	0/−3.8	617/6.1	617	1.6	—	1252
20161231 20:00	18/−2.3	349/8	331	3.1	162	20
20170101 08:00	208/−4.7	827/7.2	619	1.9	338	61
20170101 20:00	187/−3.0	634/8.0	447	2.5	282	119
20170102 08:00	0/−5.8	399/6.8	399	3.2	82	64
20170102 20:00	0/2.9	953/7.1	953	0.4	—	2053
20170103 08:00	53/−5.3	291/11.7	238	7.1	164	51
20170103 20:00	40/−2.2	242/10.3	202	6.2	97	34
20170104 08:00	208/−4.5	574/6.8	366	3.1	327	138
20170104 20:00	221/−2.6	678/3.0	457	1.2	297	412