An Investigation of the Formation of the Heat Wave in Southern China in Summer 2013 and the Relevant Abnormal Subtropical High Activities
PENG Jing-Bei
Figure 2 The circulation for 2 July to 19 August 2013: a The mean Z 500 contours and its anomalies shaded; units: gpm. Red and blue lines are the 5880-gpm contour in 2013 and its long-term mean. b Days with positive Z 500 anomalies. c Mean Z 100 contours and its anomalies shaded; units: gpm. Red and blue lines are the 16840-gpm contour in 2013 and its long-term mean. d Mean wind anomalies over 850 hPa units: m s -1 . e Mean zonal wind over 200 hPa contours and its anomalies shaded; units: m s -1 . Red lines are for 0 m s -1 and 30 m s -1 in 2013, and blue lines are the ones for the long-term mean. f Mean OLR anomalies units: W m -1 .