Tropical Depression 16P


ARCHER-V2 Auto-positioning Information
Advanced Dvorak Technique (ADT)
Version 9.0
 

                                         -------FORECAST-----   ----ARCHER---- 50% cert  95% cert Eyewall   Conf Alpha  Eye
     Date/Time(UTC)     Source   Sensor    Lat     Lon   Vmax      Lat     Lon   radius    radius  radius  Score Score  Prob    .
   20210130 21:00:00  HIMAWARI      Vis  -12.00 -172.20  35.0   -11.95 -172.38     0.29      0.83   0.25    0.45  5.73  69.3 GIF
   20210130 21:30:00  HIMAWARI      Vis  -12.01 -172.33  35.0   -11.81 -172.59     0.18      0.52   0.30    0.69  9.20  75.5 GIF
   20210130 22:10:00  HIMAWARI      Vis  -12.03 -172.51  35.0   -11.93 -172.72     0.31      0.89   0.35    0.43  5.35  49.9 GIF
   20210130 22:30:00  HIMAWARI      Vis  -12.04 -172.60  35.0   -11.99 -172.75     0.38      1.07   0.35    0.36  4.42  55.7 GIF
   20210130 23:00:00  HIMAWARI      Vis  -12.05 -172.74  35.0   -11.75 -172.89     0.27      0.76   0.20    0.49  6.21  66.5 GIF
   20210130 23:30:00  HIMAWARI      Vis  -12.07 -172.87  35.0   -11.69 -173.07     0.16      0.45   0.40    0.78 10.49  81.7 GIF
   20210131 00:00:00  HIMAWARI      Vis  -12.08 -173.00  35.0   -11.78 -173.18     0.15      0.42   0.15    0.84 11.37  78.7 GIF
   20210131 00:40:00  HIMAWARI      Vis  -12.10 -173.18  35.0   -11.90 -173.34     0.16      0.46   0.10    0.77 10.22  65.8 GIF
   20210131 01:10:00  HIMAWARI      Vis  -12.12 -173.32  35.0   -12.05 -173.47     0.25      0.71   0.05    0.52  6.65  50.8 GIF
   20210131 01:40:00  HIMAWARI   NearIR  -12.14 -173.45  35.0   -12.14 -174.91     0.46      1.29   0.05    0.47  3.68  66.3 GIF
   20210131 02:10:00  HIMAWARI   NearIR  -12.16 -173.58  35.0   -11.79 -175.01     0.47      1.34   0.05    0.45  3.54  69.4 GIF
   20210131 02:30:00  HIMAWARI   NearIR  -12.18 -173.67  35.0   -12.10 -175.00     0.30      0.85   0.05    0.68  5.56  82.4 GIF
   20210131 03:10:00     AMSR2 85-92GHz  -12.14 -173.33  40.0   -11.62 -173.75     0.29      0.82    N/A    0.95  5.63   0.0 GIF
   20210131 03:40:00     AMSR2 85-92GHz  -12.14 -173.33  40.0   -11.66 -173.88     0.29      0.82    N/A    0.95  5.50   0.0 GIF
   20210131 04:10:00     AMSR2 85-92GHz  -12.14 -173.33  40.0   -11.70 -174.01     0.29      0.82    N/A    0.95  5.36   0.0 GIF
   20210131 04:40:00     AMSR2 85-92GHz  -12.14 -173.33  40.0   -11.74 -174.14     0.29      0.82    N/A    0.95  5.21   0.0 GIF
   20210131 05:10:00     AMSR2 85-92GHz  -12.14 -173.33  40.0   -11.78 -174.27     0.29      0.82    N/A    0.95  5.05   0.0 GIF
   20210131 05:40:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -11.97 -173.99     0.33      0.94    N/A    0.74  5.01   0.0 GIF
   20210131 06:00:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -12.00 -174.07     0.33      0.94    N/A    0.74  4.96   0.0 GIF
   20210131 06:40:00  HIMAWARI   NearIR  -12.50 -174.44  40.0   -12.07 -174.15     0.11      0.31   0.05    1.79 15.14 100.0 GIF
   20210131 07:10:00  HIMAWARI   NearIR  -12.54 -174.56  40.0   -11.71 -174.43     0.20      0.56   0.05    1.02  8.45 100.0 GIF
   20210131 07:40:00  HIMAWARI   NearIR  -12.58 -174.68  40.0   -11.81 -174.09     0.20      0.56   0.05    1.03  8.53 100.0 GIF
   20210131 08:10:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -12.18 -174.60     0.33      0.94    N/A    0.74  4.46   0.0 GIF
   20210131 08:40:00  HIMAWARI   NearIR  -12.67 -174.92  40.0   -11.97 -174.80     0.20      0.57   0.05    1.00  8.30 100.0 GIF
   20210131 09:10:00  HIMAWARI   NearIR  -12.63 -175.04  45.0   -12.45 -174.81     0.22      0.63   0.05    0.91  7.50 100.0 GIF
   20210131 09:40:00  HIMAWARI   NearIR  -12.71 -175.16  45.0   -12.41 -175.03     0.22      0.63   0.05    0.91  7.52 100.0 GIF
   20210131 10:10:00  HIMAWARI   NearIR  -12.80 -175.28  45.0   -12.45 -174.54     0.17      0.49   0.05    1.15  9.62 100.0 GIF
   20210131 10:40:00  HIMAWARI   NearIR  -12.89 -175.40  45.0   -12.41 -174.71     0.12      0.33   0.05    1.68 14.19 100.0 GIF
   20210131 11:10:00  HIMAWARI   NearIR  -12.97 -175.52  45.0   -12.52 -174.98     0.12      0.33   0.05    1.71 14.50 100.0 GIF
   20210131 11:40:00  HIMAWARI   NearIR  -13.06 -175.64  45.0   -12.36 -174.85     0.16      0.45   0.05    1.25 10.46 100.0 GIF
   20210131 12:10:00  HIMAWARI   NearIR  -13.15 -175.76  45.0   -12.25 -174.81     0.18      0.52   0.05    1.10  9.16 100.0 GIF
   20210131 12:40:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -12.82 -175.67     0.33      0.94    N/A    0.74  3.30   0.0 GIF
   20210131 13:10:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -12.89 -175.80     0.33      0.94    N/A    0.74  3.19   0.0 GIF
   20210131 13:40:00  HIMAWARI       IR  -13.43 -176.12  45.0   -12.60 -175.43     0.48      1.37   0.15    0.56  3.47  63.0 GIF
   20210131 14:10:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -13.40 -175.32     0.33      0.94    N/A    0.74  2.97   0.0 GIF
   20210131 14:30:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -13.46 -175.39     0.33      0.94    N/A    0.74  2.91   0.0 GIF
   20210131 15:10:00    SSMI18 85-92GHz  -12.38 -174.06  40.0   -13.60 -175.52     0.33      0.94    N/A    0.74  2.78   0.0 GIF
   20210131 15:40:00  HIMAWARI   NearIR  -14.12 -175.84  45.0   -14.90 -176.33     0.31      0.87   0.05    0.67  5.48  98.7 GIF
   20210131 16:10:00  HIMAWARI   NearIR  -14.21 -175.94  45.0   -14.69 -176.64     0.18      0.52   0.05    1.10  9.17 100.0 GIF
   20210131 16:40:00  HIMAWARI   NearIR  -14.30 -176.05  45.0   -15.10 -176.59     0.22      0.63   0.05    0.91  7.56 100.0 GIF
   20210131 17:10:00  HIMAWARI   NearIR  -14.39 -176.16  45.0   -13.84 -176.75     0.35      1.00   0.05    0.59  4.74 100.0 GIF
   20210131 17:40:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.13 -176.52     0.27      0.77    N/A    1.07  6.10   0.0 GIF
   20210131 18:10:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.22 -176.63     0.27      0.77    N/A    1.07  5.99   0.0 GIF
   20210131 18:40:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.30 -176.74     0.27      0.77    N/A    1.07  5.85   0.0 GIF
   20210131 19:10:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.39 -176.85     0.27      0.77    N/A    1.07  5.69   0.0 GIF
   20210131 20:00:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.36 -176.76     0.27      0.77    N/A    1.07  5.39   0.0 GIF
   20210131 20:40:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.49 -176.89     0.27      0.77    N/A    1.07  5.15   0.0 GIF
   20210131 20:40:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.49 -176.89     0.27      0.77    N/A    1.07  5.15   0.0 GIF
   20210131 21:10:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -15.59 -176.99     0.27      0.77    N/A    1.07  4.96   0.0 GIF
   20210131 21:40:00  HIMAWARI      Vis  -15.03 -176.83  40.0   -15.25 -177.79     0.27      0.77   0.50    0.49  6.20  60.5 GIF
   20210131 22:10:00  HIMAWARI       IR  -15.12 -176.93  40.0   -15.27 -178.40     0.24      0.67   0.25    0.93  7.09  47.8 GIF
   20210131 22:40:00  HIMAWARI      Vis  -15.22 -177.02  40.0   -15.27 -178.01     0.14      0.41   0.30    0.86 11.64  61.0 GIF
   20210131 23:10:00  HIMAWARI   NearIR  -15.31 -177.12  40.0   -15.04 -178.36     1.63      4.62   0.50    0.16  1.03  12.9 GIF
   20210131 23:40:00  HIMAWARI       IR  -15.41 -177.22  40.0   -15.14 -178.54     0.39      1.10   0.05    0.65  4.31  49.6 GIF
   20210201 00:10:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -16.17 -177.56     0.27      0.77    N/A    1.07  3.92   0.0 GIF
   20210201 00:40:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -16.27 -177.66     0.27      0.77    N/A    1.07  3.77   0.0 GIF
   20210201 01:10:00  HIMAWARI       IR  -15.83 -177.78  35.0   -15.61 -179.07     0.42      1.18   0.05    0.62  4.02  61.3 GIF
   20210201 01:40:00    SSMI18 85-92GHz  -14.42 -176.19  45.0   -16.59 -178.16     0.27      0.77    N/A    1.07  3.49   0.0 GIF
   20210201 02:10:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.06 -177.35     0.28      0.80    N/A    0.99  5.77   0.0 GIF
   20210201 02:20:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.10 -177.39     0.28      0.80    N/A    0.99  5.73   0.0 GIF
   20210201 02:50:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.21 -177.48     0.28      0.80    N/A    0.99  5.60   0.0 GIF
   20210201 03:40:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.41 -177.64     0.28      0.80    N/A    0.99  5.34   0.0 GIF
   20210201 04:10:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.52 -177.75     0.28      0.80    N/A    0.99  5.17   0.0 GIF
   20210201 04:40:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.64 -177.85     0.28      0.80    N/A    0.99  5.00   0.0 GIF
   20210201 05:10:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.76 -177.95     0.28      0.80    N/A    0.99  4.83   0.0 GIF
   20210201 05:40:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.87 -178.05     0.28      0.80    N/A    0.99  4.65   0.0 GIF
   20210201 06:10:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -16.99 -178.15     0.28      0.80    N/A    0.99  4.48   0.0 GIF
   20210201 06:40:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -17.11 -178.25     0.28      0.80    N/A    0.99  4.32   0.0 GIF
   20210201 07:10:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -17.22 -178.35     0.28      0.80    N/A    0.99  4.15   0.0 GIF
   20210201 07:40:00     AMSR2 85-92GHz  -15.93 -177.79  35.0   -17.34 -178.45     0.28      0.80    N/A    0.99  4.00   0.0 GIF
   20210201 08:10:00  HIMAWARI       IR  -17.51 -179.13  35.0   -16.83  179.82     0.28      0.79   0.05    0.81  5.99  79.9 GIF
   20210201 08:40:00  HIMAWARI   NearIR  -17.62 -179.23  35.0   -16.80  179.64     0.32      0.90   0.10    0.65  5.30  84.5 GIF
   20210201 05:04:24    SSMI16 85-92GHz  -16.78 -178.51  35.0    32.96 -177.68     0.43      1.23    N/A    0.38  0.00   0.0 GIF
   20210201 09:40:00  HIMAWARI   NearIR  -17.86 -179.43  35.0   -16.61  179.31     0.46      1.30   0.15    0.46  3.65  65.7 GIF
   20210201 10:10:00    SSMI18 85-92GHz  -16.84 -178.56  35.0   -17.53 -179.38     0.41      1.16    N/A    0.44  3.33   0.0 GIF
   20210201 10:40:00    SSMI18 85-92GHz  -16.84 -178.56  35.0   -17.64 -179.48     0.41      1.16    N/A    0.44  3.24   0.0 GIF
   20210201 11:10:00    SSMI18 85-92GHz  -16.84 -178.56  35.0   -17.76 -179.58     0.41      1.16    N/A    0.44  3.14   0.0 GIF
 
 
Key:

  - Date/Time: UTC time. If this observation is used in the track it is marked with a "*". If it is used for its own 30-minute window, it is put in bold.

  - Source/sensor: Satellite source of the analyzed image.

  - Vmax: Maximum winds listed in the forecast center analysis/forecast, *not* ARCHER.

  - ARCHER lat/lon: Coordinates of the ARCHER algorithm, valid at the time of the observation. If no center fix could be found, then it is "***".

  - Geo ref lat/lon: Coordinates of the ARCHER algorithm, valid at the time of the *nearest geo image*.

  - 50% cert. rad.: Radius of the circle (in degrees) that defines the area in which the ARCHER center of rotation is 50% certain. The lower the number, the more certain the position.

  - 95% cert. rad.: Radius of the circle (in degrees) that defines the area in which the ARCHER center of rotation is 95% certain.

  - Eye diam (deg): ARCHER-resolved eye diameter (in degrees). Green: robust, yellow: less certain, red: not robust.

  - % cert. of eye: Percent certainty that an eye exists in this image, determined by ARCHER. Currently only available for IR and 85-92 GHz imagery.

 
Links to related versions:
  - Track Plot
  - Summary table
  - Intensity Estimation