Fig 1.
The positions in the center of the TC are marked with black circles with the time format of month-date-hour. The pentagram represents the location of the TC center primary changes in the path.
Fig 2.
The geopotential height and wind field distribution at 100 mb and 950mb on 12Z on April 15, April 18 and April 22, 2016.
Color bars represent geopotential heights (unit: dagpm). (a), (c) and (e) show atmospheric pressure at 100 mb, and (b), (d) and (f) show atmospheric pressure at 950 mb.
Fig 3.
The geopotential height and wind field distribution at 500 mb on (a) 15 April 2016 00:00, (b) 18 April 2016 06:00, (c) 18 April 2016 17:00, (d) 21 April 2016 06:00, (e) 22 April 2016 16:00, and (f) 23 April 2016 16:00.
Fig 4.
Variation in mean meridional (u_wind) (m/s) and zonal (v_wind) (m/s) winds at (a) 00:00, 18 April, (b) 12:00, 18 April, and (c) 23:00, 18 April 2016.
Fig 5.
Variation in mean meridional (u_wind) (m/s) and zonal (v_wind) (m/s) winds at (a) 16:00, 21 April, (b) 22:00, 21 April, and (c) 03:00, 22 April 2016.
Fig 6.
Composites of the vertically averaged (850–300 hPa).
(a) intraseasonal, (b) interannual, and (c) mean-state horizontal winds (m⋅s−1) from 00:00 UTC on Apr.11 to 18:00 UTC on Apr.25.
Table 1.
Characteristic parameter information of TS Fantala.
Fig 7.
The change in the zonal vertical cross-section of the PV of ± 5° longitude over the TC center during TC development (unit: PVU, 1PVU = 106 K m2 kg-1 s-1).
Fig 8.
Marine environmental fields during the passage of the TC.
(a), (c), (e), and (g) show the changes in the EPV (color bar) and wind fields (arrow) on April 15, April 18, April 21 and April 22, 2016, respectively. Positive (negative) values indicate upwelling (downwelling). (b), (d), (f), and (h) show the changes in SST (color bar) on April 15, April 18, April 21 and April 22, 2016, respectively.
Fig 9.
Heat changes in the ocean during the passage of the TC.
(a),(c),(e),(g) show latent heat flux on April 15, April 18, April 21 and April 22, 2016, respectively; (b),(d),(f),(h) show Tropical Cyclone Heat Potential on April 15, April 18, April 21 and April 22, 2016, respectively.
Fig 10.
Mean maximum wind speed, latent heat flux and Tropical Cyclone Heat Potential from 15 to 23 April.