Tropical Depression 01W


ARCHER-V2.8 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    .
   20190104 19:10:00  HIMAWARI       IR    4.84 -174.01  25.0     5.19 -175.54     0.83      2.35   0.05    0.41  2.02  75.9 GIF
   20190104 19:40:00  HIMAWARI   NearIR    4.85 -174.01  25.0     3.30 -175.06     2.21      6.26   0.20    0.13  0.76  25.5 GIF
   20190104 20:10:00    SSMI18 85-92GHz    4.87 -174.00  25.0     4.88 -173.99     0.26      0.72    N/A    1.20  6.56   0.0 GIF
   20190104 20:50:00    SSMI18 85-92GHz    4.87 -174.00  25.0     4.90 -174.00     0.26      0.72    N/A    1.20  6.42   0.0 GIF
   20190104 21:10:00    SSMI18 85-92GHz    4.87 -174.00  25.0     4.91 -173.99     0.26      0.72    N/A    1.20  6.32   0.0 GIF
   20190104 21:40:00    SSMI18 85-92GHz    4.87 -174.00  25.0     4.93 -173.99     0.26      0.72    N/A    1.20  6.14   0.0 GIF
   20190104 22:10:00  HIMAWARI      Vis    4.94 -173.99  25.0     4.37 -174.14     0.24      0.69   0.15    0.53  6.86  62.9 GIF
   20190104 22:50:00  HIMAWARI      Vis    4.97 -173.98  25.0     4.29 -174.01     0.20      0.57   0.05    0.63  8.27  71.6 GIF
   20190104 23:10:00  HIMAWARI      Vis    4.98 -173.98  25.0     4.31 -174.05     0.20      0.55   0.05    0.65  8.59  78.5 GIF
   20190104 23:40:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.01 -173.95     0.26      0.72    N/A    1.20  5.33   0.0 GIF
   20190105 00:10:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.02 -173.96     0.26      0.72    N/A    1.20  5.13   0.0 GIF
   20190105 00:40:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.62 -173.49     0.26      0.72    N/A    1.20  4.92   0.0 GIF
   20190105 01:10:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.64 -173.49     0.26      0.72    N/A    1.20  4.72   0.0 GIF
   20190105 01:40:00  HIMAWARI      Vis    5.66 -173.51  25.0     5.11 -173.15     0.29      0.81   0.05    0.46  5.86  49.1 GIF
   20190105 02:10:00  HIMAWARI      Vis    5.67 -173.50  25.0     5.15 -173.05     0.23      0.66   0.35    0.56  7.21  57.6 GIF
   20190105 02:30:00  HIMAWARI      Vis    5.68 -173.50  25.0     5.13 -173.00     0.29      0.81   0.30    0.46  5.84  48.7 GIF
   20190105 03:10:00  HIMAWARI      Vis    5.71 -173.50  25.0     5.16 -173.02     0.38      1.07   0.05    0.36  4.42  48.0 GIF
   20190105 03:40:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.72 -173.48     0.26      0.72    N/A    1.20  3.84   0.0 GIF
   20190105 04:10:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.74 -173.48     0.26      0.72    N/A    1.20  3.69   0.0 GIF
   20190105 04:40:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.76 -173.47     0.26      0.72    N/A    1.20  3.54   0.0 GIF
   20190105 05:10:00    SSMI18 85-92GHz    4.87 -174.00  25.0     5.77 -173.47     0.26      0.72    N/A    1.20  3.41   0.0 GIF
   20190105 05:40:00  HIMAWARI   NearIR    5.79 -173.46  25.0     6.64 -173.92     0.45      1.26   0.05    0.48  3.76  65.6 GIF
   20190105 06:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     5.81 -173.45     0.47      1.34    N/A    0.28  3.09   0.0 GIF
   20190105 06:40:00  HIMAWARI       IR    5.82 -173.44  25.0     6.42 -174.12     0.32      0.91   0.05    0.74  5.23 100.0 GIF
   20190105 07:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     5.84 -173.43     0.47      1.34    N/A    0.28  2.94   0.0 GIF
   20190105 07:40:00     AMSR2 85-92GHz    5.67 -173.50  25.0     5.85 -173.41     0.47      1.34    N/A    0.28  2.87   0.0 GIF
   20190105 08:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     5.97 -173.22     0.47      1.34    N/A    0.28  2.79   0.0 GIF
   20190105 08:40:00  HIMAWARI       IR    5.99 -173.21  25.0     7.21 -173.06     0.39      1.09   0.05    0.65  4.35  97.7 GIF
   20190105 09:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.00 -173.18     0.47      1.34    N/A    0.28  2.65   0.0 GIF
   20190105 09:40:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.02 -173.17     0.47      1.34    N/A    0.28  2.58   0.0 GIF
   20190105 10:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.03 -173.16     0.47      1.34    N/A    0.28  2.51   0.0 GIF
   20190105 10:40:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.05 -173.15     0.47      1.34    N/A    0.28  2.44   0.0 GIF
   20190105 11:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.07 -173.14     0.47      1.34    N/A    0.28  2.37   0.0 GIF
   20190105 11:40:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.09 -173.13     0.47      1.34    N/A    0.28  2.31   0.0 GIF
   20190105 12:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.10 -173.12     0.47      1.34    N/A    0.28  2.25   0.0 GIF
   20190105 12:40:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.12 -173.11     0.47      1.34    N/A    0.28  2.19   0.0 GIF
   20190105 13:10:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.13 -173.09     0.47      1.34    N/A    0.28  2.13   0.0 GIF
   20190105 13:40:00     AMSR2 85-92GHz    5.67 -173.50  25.0     6.15 -173.08     0.47      1.34    N/A    0.28  2.07   0.0 GIF
   20190105 14:10:00  HIMAWARI   NearIR    4.07 -174.33  25.0     3.55 -174.70     0.78      2.20   0.10    0.29  2.16  62.3 GIF
   20190105 14:30:00     AMSR2 85-92GHz    5.67 -173.50  25.0     4.09 -174.32     0.47      1.34    N/A    0.28  1.98   0.0 GIF
   20190105 15:10:00  HIMAWARI   NearIR    4.10 -174.30  25.0     3.18 -174.75     0.82      2.32   0.30    0.28  2.05  52.4 GIF
   20190105 15:40:00  HIMAWARI       IR    4.12 -174.28  25.0     2.97 -174.41     0.87      2.47   0.20    0.40  1.92  68.9 GIF
   20190105 16:10:00       GMI 85-92GHz    4.12 -174.28  25.0     4.13 -174.26     0.33      0.93    N/A    0.75  5.05   0.0 GIF
   20190105 16:40:00       GMI 85-92GHz    4.12 -174.28  25.0     4.14 -174.24     0.33      0.93    N/A    0.75  4.97   0.0 GIF
   20190105 17:10:00       GMI 85-92GHz    4.12 -174.28  25.0     4.16 -174.24     0.33      0.93    N/A    0.75  4.87   0.0 GIF
   20190105 17:40:00       GMI 85-92GHz    4.12 -174.28  25.0     4.16 -174.22     0.33      0.93    N/A    0.75  4.76   0.0 GIF
   20190105 18:10:00       GMI 85-92GHz    4.12 -174.28  25.0     4.18 -174.21     0.33      0.93    N/A    0.75  4.63   0.0 GIF
   20190105 18:40:00       GMI 85-92GHz    4.12 -174.28  25.0     4.19 -174.20     0.33      0.93    N/A    0.75  4.50   0.0 GIF
   20190105 19:10:00       GMI 85-92GHz    4.12 -174.28  25.0     4.64 -174.16     0.33      0.93    N/A    0.75  4.36   0.0 GIF
   20190105 19:40:00    SSMI18 85-92GHz    4.65 -174.15  25.0     4.66 -174.13     0.34      0.96    N/A    0.71  4.95   0.0 GIF
   20190105 20:10:00    SSMI18 85-92GHz    4.65 -174.15  25.0     4.67 -174.11     0.34      0.96    N/A    0.71  4.88   0.0 GIF
   20190105 20:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     4.69 -174.09     0.30      0.84    N/A    0.92  5.61   0.0 GIF
   20190105 21:10:00    SSMI17 85-92GHz    4.68 -174.12  25.0     4.70 -174.09     0.30      0.84    N/A    0.92  5.51   0.0 GIF
   20190105 21:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     4.72 -174.07     0.30      0.84    N/A    0.92  5.39   0.0 GIF
   20190105 22:10:00  HIMAWARI   NearIR    4.73 -174.06  25.0     4.88 -175.29     0.22      0.61   0.05    0.94  7.79  94.4 GIF
   20190105 22:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     4.74 -174.04     0.30      0.84    N/A    0.92  5.10   0.0 GIF
   20190105 23:10:00    SSMI17 85-92GHz    4.68 -174.12  25.0     4.75 -174.02     0.30      0.84    N/A    0.92  4.94   0.0 GIF
   20190105 23:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     4.76 -174.02     0.30      0.84    N/A    0.92  4.78   0.0 GIF
   20190106 00:10:00  HIMAWARI      Vis    4.77 -174.01  25.0     4.00 -174.48     0.23      0.66   0.20    0.56  7.21  52.8 GIF
   20190106 00:40:00  HIMAWARI      Vis    4.78 -173.99  25.0     3.96 -174.39     0.24      0.69   0.20    0.53  6.89  49.6 GIF
   20190106 01:10:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.24 -174.01     0.30      0.84    N/A    0.92  4.30   0.0 GIF
   20190106 01:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.26 -173.97     0.30      0.84    N/A    0.92  4.14   0.0 GIF
   20190106 02:10:00  HIMAWARI      Vis    5.28 -173.95  25.0     4.48 -173.80     0.15      0.44   0.15    0.81 10.88  49.7 GIF
   20190106 02:30:00  HIMAWARI      Vis    5.29 -173.93  25.0     4.46 -173.75     0.17      0.49   0.05    0.73  9.65  54.0 GIF
   20190106 03:10:00  HIMAWARI      Vis    5.30 -173.89  25.0     4.60 -173.62     0.41      1.16   0.05    0.34  4.11  47.8 GIF
   20190106 03:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.31 -173.84     0.30      0.84    N/A    0.92  3.57   0.0 GIF
   20190106 04:10:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.33 -173.83     0.30      0.84    N/A    0.92  3.44   0.0 GIF
   20190106 04:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.34 -173.80     0.30      0.84    N/A    0.92  3.31   0.0 GIF
   20190106 05:10:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.35 -173.79     0.30      0.84    N/A    0.92  3.19   0.0 GIF
   20190106 05:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.36 -173.76     0.30      0.84    N/A    0.92  3.08   0.0 GIF
   20190106 06:10:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.38 -173.75     0.30      0.84    N/A    0.92  2.97   0.0 GIF
   20190106 06:40:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.38 -173.72     0.30      0.84    N/A    0.92  2.86   0.0 GIF
   20190106 07:10:00    SSMI17 85-92GHz    4.68 -174.12  25.0     5.40 -173.71     0.30      0.84    N/A    0.92  2.76   0.0 GIF
   20190106 07:40:00       GMI 85-92GHz    5.31 -173.89  25.0     5.41 -173.70     0.54      1.53    N/A    0.14  2.69   0.0 GIF
   20190106 08:10:00       GMI 85-92GHz    5.31 -173.89  25.0     5.58 -173.64     0.54      1.53    N/A    0.14  2.63   0.0 GIF
   20190106 08:40:00       GMI 85-92GHz    5.31 -173.89  25.0     5.59 -173.62     0.54      1.53    N/A    0.14  2.58   0.0 GIF
   20190106 09:00:00       GMI 85-92GHz    5.31 -173.89  25.0     5.60 -173.60     0.54      1.53    N/A    0.14  2.54   0.0 GIF
   20190106 09:40:00       GMI 85-92GHz    5.31 -173.89  25.0     5.62 -173.56     0.54      1.53    N/A    0.14  2.46   0.0 GIF
   20190106 10:10:00       GMI 85-92GHz    5.31 -173.89  25.0     5.63 -173.53     0.54      1.53    N/A    0.14  2.40   0.0 GIF
   20190106 10:40:00       GMI 85-92GHz    5.31 -173.89  25.0     5.64 -173.51     0.54      1.53    N/A    0.14  2.34   0.0 GIF
   20190106 11:10:00       GMI 85-92GHz    5.31 -173.89  25.0     5.66 -173.47     0.54      1.53    N/A    0.14  2.28   0.0 GIF
   20190106 11:40:00       GMI 85-92GHz    5.31 -173.89  25.0     5.67 -173.45     0.54      1.53    N/A    0.14  2.23   0.0 GIF
   20190106 12:10:00       GMI 85-92GHz    5.31 -173.89  25.0     5.68 -173.42     0.54      1.53    N/A    0.14  2.17   0.0 GIF
   20190106 12:40:00       GMI 85-92GHz    5.31 -173.89  25.0     5.69 -173.40     0.54      1.53    N/A    0.14  2.12   0.0 GIF
   20190106 13:10:00       GMI 85-92GHz    5.31 -173.89  25.0     5.64 -173.47     0.54      1.53    N/A    0.14  2.07   0.0 GIF
   20190106 13:40:00  HIMAWARI   NearIR    5.66 -173.43  20.0     6.21 -173.88     0.56      1.57   0.45    0.39  3.01  73.0 GIF
   20190106 14:10:00       GMI 85-92GHz    5.31 -173.89  25.0     5.68 -173.38     0.54      1.53    N/A    0.14  1.97   0.0 GIF
   20190106 14:30:00       GMI 85-92GHz    5.31 -173.89  25.0     5.68 -173.34     0.54      1.53    N/A    0.14  1.93   0.0 GIF
   20190106 15:10:00       GMI 85-92GHz    5.31 -173.89  25.0     5.70 -173.28     0.54      1.53    N/A    0.14  1.87   0.0 GIF
   20190106 15:40:00       GMI 85-92GHz    5.31 -173.89  25.0     5.72 -173.24     0.54      1.53    N/A    0.14  1.82   0.0 GIF
   20190106 16:10:00  HIMAWARI   NearIR    5.73 -173.20  20.0     6.03 -174.33     0.53      1.49   0.05    0.41  3.18  85.9 GIF
   20190106 16:30:00  HIMAWARI   NearIR    5.73 -173.17  20.0     6.06 -174.23     0.62      1.75   0.05    0.35  2.70  72.3 GIF
   20190106 17:10:00  HIMAWARI   NearIR    5.74 -173.12  20.0     5.74 -173.12     0.79      2.24   0.05    0.29  2.12  64.2 GIF
   20190106 17:40:00  HIMAWARI   NearIR    5.75 -173.08  20.0     6.20 -173.13     0.95      2.69   0.05    0.25  1.76  50.6 GIF
   20190106 18:10:00    SSMI17 85-92GHz    5.75 -173.06  20.0     5.75 -173.04     0.64      1.80    N/A    0.00  2.63   0.0 GIF
   20190106 18:40:00  HIMAWARI       IR    5.76 -173.00  20.0     5.26 -173.35     0.64      1.81   0.50    0.48  2.63  71.8 GIF
   20190106 19:10:00    SSMI17 85-92GHz    5.75 -173.06  20.0     5.76 -172.97     0.64      1.80    N/A    0.00  2.58   0.0 GIF
   20190106 19:40:00    SSMI18 85-92GHz    5.77 -172.96  20.0     5.77 -172.92     0.64      1.80    N/A    0.00  2.62   0.0 GIF
   20190106 20:10:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.77 -172.89     0.64      1.80    N/A    0.00  2.63   0.0 GIF
   20190106 20:40:00  HIMAWARI      Vis    5.78 -172.85  20.0     5.80 -172.98     0.29      0.83   0.10    0.45  5.70  50.2 GIF
   20190106 21:10:00  HIMAWARI      Vis    5.78 -172.82  20.0     6.01 -172.87     0.21      0.59   0.05    0.61  7.99  64.9 GIF
   20190106 21:40:00  HIMAWARI      Vis    5.78 -172.78  20.0     6.01 -172.75     0.23      0.65   0.40    0.56  7.31  66.4 GIF
   20190106 22:10:00  HIMAWARI      Vis    5.79 -172.74  20.0     5.94 -172.84     0.16      0.46   0.30    0.77 10.27  81.6 GIF
   20190106 22:40:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.79 -172.70     0.64      1.80    N/A    0.00  2.49   0.0 GIF
   20190106 23:10:00  HIMAWARI      Vis    5.79 -172.67  20.0     5.69 -172.59     0.49      1.39   0.05    0.29  3.42  60.6 GIF
   20190106 23:40:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.79 -172.62     0.64      1.80    N/A    0.00  2.41   0.0 GIF
   20190107 00:10:00  HIMAWARI      Vis    5.80 -172.59  20.0     5.65 -172.79     0.57      1.61   0.05    0.26  2.94  47.3 GIF
   20190107 00:40:00  HIMAWARI      Vis    5.81 -172.55  20.0     5.78 -172.77     0.30      0.85   0.25    0.44  5.56  51.5 GIF
   20190107 01:10:00  HIMAWARI      Vis    5.81 -172.50  20.0     5.86 -172.71     0.50      1.40   0.05    0.29  3.39  50.8 GIF
   20190107 01:40:00  HIMAWARI      Vis    5.82 -172.46  20.0     5.67 -172.44     0.40      1.13   0.10    0.35  4.19  65.1 GIF
   20190107 02:10:00  HIMAWARI      Vis    5.82 -172.42  20.0     5.67 -172.62     0.24      0.67   0.50    0.55  7.12  63.9 GIF
   20190107 02:30:00  HIMAWARI      Vis    5.83 -172.39  20.0     5.70 -172.49     0.18      0.52   0.50    0.69  9.11  64.5 GIF
   20190107 03:10:00  HIMAWARI      Vis    5.83 -172.33  20.0     5.53 -172.45     0.27      0.77   0.30    0.49  6.19  52.5 GIF
   20190107 03:40:00  HIMAWARI      Vis    5.84 -172.28  20.0     5.59 -172.45     0.18      0.52   0.10    0.69  9.10  55.2 GIF
   20190107 04:10:00  HIMAWARI      Vis    5.85 -172.23  20.0     5.70 -172.28     0.30      0.86   0.05    0.44  5.54  47.8 GIF
   20190107 04:40:00  HIMAWARI   NearIR    5.86 -172.17  20.0     4.86 -172.90     0.47      1.34   0.05    0.45  3.54  62.3 GIF
   20190107 05:10:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.87 -172.12     0.64      1.80    N/A    0.00  1.92   0.0 GIF
   20190107 05:40:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.88 -172.06     0.64      1.80    N/A    0.00  1.87   0.0 GIF
   20190107 06:10:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.89 -172.00     0.64      1.80    N/A    0.00  1.83   0.0 GIF
   20190107 06:40:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.91 -171.94     0.64      1.80    N/A    0.00  1.79   0.0 GIF
   20190107 07:10:00  HIMAWARI       IR    5.93 -171.88  20.0     6.78 -173.03     0.19      0.54   0.05    1.09  8.71 100.0 GIF
   20190107 07:40:00    SSMI17 85-92GHz    5.77 -172.90  20.0     5.95 -171.81     0.64      1.80    N/A    0.00  1.71   0.0 GIF
   20190107 08:10:00  HIMAWARI   NearIR    5.97 -171.74  20.0     7.02 -172.72     0.54      1.53   0.05    0.40  3.10  77.0 GIF
   20190107 08:40:00  HIMAWARI       IR    6.00 -171.67  20.0     7.17 -172.62     0.34      0.95   0.10    0.72  5.00 100.0 GIF
   20190107 09:10:00    SSMI17 85-92GHz    5.77 -172.90  20.0     6.02 -171.59     0.64      1.80    N/A    0.00  1.60   0.0 GIF
   20190107 09:40:00  HIMAWARI   NearIR    6.05 -171.51  20.0     7.05 -171.97     0.76      2.16   0.10    0.30  2.20  68.3 GIF
   20190107 10:10:00    SSMI17 85-92GHz    5.77 -172.90  20.0     6.06 -171.43     0.64      1.80    N/A    0.00  1.53   0.0 GIF
   20190107 10:40:00  HIMAWARI   NearIR    6.11 -171.35  20.0     7.23 -170.52     0.89      2.52   0.05    0.26  1.88  67.0 GIF
   20190107 11:10:00    SSMI17 85-92GHz    5.77 -172.90  20.0     6.13 -171.25     0.64      1.80    N/A    0.00  1.47   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