Study on the Evolution of a Northeast China Cold Vortex during the Spring of 2010
FU Shen-Ming1, SUN Jian-Hua2, QI Lin-Lin3
Figure 1 Geopotential height field solid line, units: gpm, the upper-level jet ULJ broken line, units: m s -1 at 200 hPa, lower-level jet at 700 hPa shaded, units: m s -1 , and 3-h precipitation number, units: mm, where the dashed rectangles stand for KAs of the NCCV. a 0000 UTC 18 May, b 1200 UTC 18 May, c 0000 UTC 19 May, and d 1200 UTC 19 May 2010.