Tropical Depression 01E


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    .
   20210509 09:20:18    GOES16       IR   13.82  107.71  30.0    14.35  108.54     3.36      9.49   0.50    0.01  0.50   1.5 GIF
   20210509 09:50:18    GOES16       IR   13.86  107.73  30.0    14.34  108.66     3.36      9.49   0.05    0.21  0.50  49.9 GIF
   20210509 10:20:18    GOES16       IR   13.90  107.75  30.0    14.87  108.65     1.02      2.90   0.50    0.37  1.64  64.2 GIF
   20210509 10:50:18    GOES16       IR   13.94  107.77  30.0    14.26  108.55     3.36      9.49   0.50    0.12  0.50  36.6 GIF
   20210509 11:20:18    GOES16       IR   13.97  107.80  30.0    14.37  108.52     1.43      4.03   0.50    0.33  1.18  69.8 GIF
   20210509 11:50:18       GMI 85-92GHz   13.99  107.80  30.0    14.96  107.46     0.28      0.79    N/A    1.03  5.98   0.0 GIF
   20210509 12:20:20       GMI 85-92GHz   13.99  107.80  30.0    15.00  107.48     0.28      0.79    N/A    1.03  5.88   0.0 GIF
   20210509 12:50:20       GMI 85-92GHz   13.99  107.80  30.0    15.04  107.50     0.28      0.79    N/A    1.03  5.75   0.0 GIF
   20210509 13:10:20       GMI 85-92GHz   13.99  107.80  30.0    15.07  107.52     0.28      0.79    N/A    1.03  5.65   0.0 GIF
   20210509 13:40:20       GMI 85-92GHz   13.99  107.80  30.0    15.11  107.54     0.28      0.79    N/A    1.03  5.48   0.0 GIF
   20210509 14:20:20    GOES16       IR   14.21  107.93  30.0    13.51  109.27     0.19      0.54   0.05    1.10  8.82 100.0 GIF
   20210509 14:50:20       GMI 85-92GHz   13.99  107.80  30.0    15.20  107.60     0.28      0.79    N/A    1.03  5.07   0.0 GIF
   20210509 15:10:20       GMI 85-92GHz   13.99  107.80  30.0    15.06  107.55     0.28      0.79    N/A    1.03  4.95   0.0 GIF
   20210509 15:50:20    GOES16      Vis   14.16  107.94  35.0    14.31  108.43     0.30      0.85   0.45    0.44  5.58  78.0 GIF
   20210509 16:10:20       GMI 85-92GHz   13.99  107.80  30.0    15.14  107.60     0.28      0.79    N/A    1.03  4.60   0.0 GIF
   20210509 16:40:20    GOES16       IR   14.23  107.98  35.0    14.23  109.53     0.30      0.84   0.10    0.78  5.65 100.0 GIF
   20210509 17:10:20    GOES16      Vis   14.27  108.01  35.0    14.24  108.45     0.31      0.87   0.30    0.44  5.46  68.4 GIF
   20210509 17:40:20    GOES16      Vis   14.31  108.03  35.0    14.41  108.52     0.28      0.78   0.10    0.48  6.05  67.8 GIF
   20210509 18:10:20    GOES16      Vis   14.35  108.06  35.0    14.17  108.53     0.25      0.72   0.05    0.52  6.61  69.2 GIF
   20210509 18:50:20    GOES16      Vis   14.40  108.10  35.0    14.23  108.64     0.30      0.86   0.20    0.44  5.51  64.5 GIF
   20210509 19:10:20    GOES16      Vis   14.43  108.12  35.0    14.33  108.74     0.37      1.04   0.10    0.37  4.54  63.1 GIF
   20210509 19:40:20    SSMI18 85-92GHz   14.13  107.89  30.0    14.52  108.61     0.33      0.94    N/A    0.74  3.58   0.0 GIF
   20210509 20:10:20    SSMI18 85-92GHz   14.13  107.89  30.0    14.55  108.64     0.33      0.94    N/A    0.74  3.46   0.0 GIF
   20210509 20:40:20    SSMI18 85-92GHz   14.13  107.89  30.0    14.59  108.67     0.33      0.94    N/A    0.74  3.34   0.0 GIF
   20210509 21:10:20     AMSR2 85-92GHz   13.97  108.47  35.0    14.11  108.67     0.39      1.10    N/A    0.51  4.24   0.0 GIF
   20210509 21:40:20     AMSR2 85-92GHz   13.97  108.47  35.0    14.14  108.69     0.39      1.10    N/A    0.51  4.17   0.0 GIF
   20210509 22:20:20     AMSR2 85-92GHz   13.97  108.47  35.0    14.18  108.73     0.39      1.10    N/A    0.51  4.06   0.0 GIF
   20210509 22:40:20    GOES16       IR   14.11  108.59  35.0    14.98  109.91     0.26      0.74   0.05    0.86  6.40 100.0 GIF
   20210509 23:20:20     AMSR2 85-92GHz   13.97  108.47  35.0    14.25  108.79     0.39      1.10    N/A    0.51  3.87   0.0 GIF
   20210509 23:40:20    SSMI18 85-92GHz   14.16  108.64  35.0    14.48  109.01     0.27      0.76    N/A    1.09  6.18   0.0 GIF
   20210510 00:10:20    SSMI18 85-92GHz   14.16  108.64  35.0    14.52  109.05     0.27      0.76    N/A    1.09  6.07   0.0 GIF
   20210510 00:40:20    SSMI18 85-92GHz   14.16  108.64  35.0    14.56  109.08     0.27      0.76    N/A    1.09  5.93   0.0 GIF
   20210510 01:10:20    GOES16   NearIR   14.30  108.75  35.0    13.70  110.53     0.20      0.57   0.05    1.00  8.28 100.0 GIF
   20210510 01:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.56  109.06     0.27      0.76    N/A    1.11  6.14   0.0 GIF
   20210510 02:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.60  109.10     0.27      0.76    N/A    1.11  6.00   0.0 GIF
   20210510 02:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.64  109.14     0.27      0.76    N/A    1.11  5.83   0.0 GIF
   20210510 03:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.52  109.28     0.27      0.76    N/A    1.11  5.65   0.0 GIF
   20210510 03:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.55  109.31     0.27      0.76    N/A    1.11  5.46   0.0 GIF
   20210510 04:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.58  109.34     0.27      0.76    N/A    1.11  5.27   0.0 GIF
   20210510 04:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.61  109.36     0.27      0.76    N/A    1.11  5.08   0.0 GIF
   20210510 05:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.64  109.39     0.27      0.76    N/A    1.11  4.89   0.0 GIF
   20210510 05:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.66  109.41     0.27      0.76    N/A    1.11  4.70   0.0 GIF
   20210510 06:20:20    GOES16       IR   14.50  109.17  35.0    14.60  109.97     0.25      0.69   0.05    0.90  6.84 100.0 GIF
   20210510 06:50:20    GOES16       IR   14.53  109.20  35.0    14.75  109.87     0.26      0.75   0.05    0.85  6.34 100.0 GIF
   20210510 07:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.75  109.48     0.27      0.76    N/A    1.11  4.17   0.0 GIF
   20210510 07:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.78  109.50     0.27      0.76    N/A    1.11  4.00   0.0 GIF
   20210510 08:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.80  109.52     0.27      0.76    N/A    1.11  3.85   0.0 GIF
   20210510 08:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.83  109.55     0.27      0.76    N/A    1.11  3.70   0.0 GIF
   20210510 09:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.91  109.38     0.27      0.76    N/A    1.11  3.55   0.0 GIF
   20210510 09:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.93  109.41     0.27      0.76    N/A    1.11  3.42   0.0 GIF
   20210510 10:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.96  109.44     0.27      0.76    N/A    1.11  3.29   0.0 GIF
   20210510 10:50:20    SSMI18 85-92GHz   14.29  108.75  35.0    14.98  109.47     0.27      0.76    N/A    1.11  3.16   0.0 GIF
   20210510 11:20:20    SSMI18 85-92GHz   14.29  108.75  35.0    15.01  109.50     0.27      0.76    N/A    1.11  3.04   0.0 GIF
   20210510 11:50:20     AMSR2 85-92GHz   14.68  109.08  35.0    14.79  109.43     0.29      0.83    N/A    0.95  4.92   0.0 GIF
   20210510 12:20:20     AMSR2 85-92GHz   14.68  109.08  35.0    14.82  109.46     0.29      0.83    N/A    0.95  4.75   0.0 GIF
   20210510 12:50:20     AMSR2 85-92GHz   14.68  109.08  35.0    14.85  109.49     0.29      0.83    N/A    0.95  4.58   0.0 GIF
   20210510 13:20:20     AMSR2 85-92GHz   14.68  109.08  35.0    14.88  109.53     0.29      0.83    N/A    0.95  4.42   0.0 GIF
   20210510 13:50:20     AMSR2 85-92GHz   14.68  109.08  35.0    14.91  109.57     0.29      0.83    N/A    0.95  4.26   0.0 GIF
   20210510 14:20:20     AMSR2 85-92GHz   14.68  109.08  35.0    14.94  109.60     0.29      0.83    N/A    0.95  4.10   0.0 GIF
   20210510 14:50:20    SSMI18 85-92GHz   14.92  109.36  35.0    15.02  109.73     0.40      1.14    N/A    0.47  3.99   0.0 GIF
   20210510 15:20:20    SSMI18 85-92GHz   14.92  109.36  35.0    15.43  109.67     0.40      1.14    N/A    0.47  3.90   0.0 GIF
   20210510 15:50:20    GOES16      Vis   15.46  109.43  35.0    15.71  109.58     0.24      0.67   0.10    0.55  7.05  92.7 GIF
   20210510 16:10:20    GOES16      Vis   15.49  109.44  35.0    15.59  109.59     0.29      0.81   0.40    0.46  5.83  71.7 GIF
   20210510 16:50:20    SSMI18 85-92GHz   14.92  109.36  35.0    15.53  109.72     0.40      1.14    N/A    0.47  3.62   0.0 GIF
   20210510 17:10:19    GOES16       IR   15.55  109.47  35.0    15.05  108.30     0.28      0.80   0.05    0.81  5.96 100.0 GIF
   20210510 17:40:19    SSMI18 85-92GHz   14.92  109.36  35.0    15.58  109.74     0.40      1.14    N/A    0.47  3.46   0.0 GIF
   20210510 18:10:19    GOES16       IR   15.60  109.51  35.0    15.28  108.05     0.24      0.68   0.10    0.91  6.95 100.0 GIF
   20210510 18:50:19    GOES16      Vis   15.63  109.53  35.0    15.68  109.74     0.22      0.63   0.15    0.58  7.49  77.7 GIF
   20210510 19:20:19    GOES16      Vis   15.65  109.54  35.0    15.80  109.70     0.29      0.81   0.05    0.46  5.85  76.3 GIF
   20210510 19:40:19    GOES16      Vis   15.67  109.56  35.0    15.94  109.76     0.20      0.55   0.05    0.65  8.55  96.2 GIF
   20210510 20:20:19    GOES16      Vis   15.69  109.58  35.0    16.04  109.55     0.16      0.46   0.15    0.76 10.21 100.0 GIF
   20210510 20:50:19    GOES16      Vis   15.71  109.59  35.0    16.09  109.52     0.18      0.52   0.20    0.69  9.10  82.8 GIF
   20210510 21:10:19    GOES16      Vis   16.01  109.81  35.0    16.21  109.58     0.22      0.63   0.05    0.58  7.49  74.6 GIF
   20210510 21:40:19    GOES16   NearIR   16.04  109.84  35.0    16.32  110.12     0.32      0.90   0.05    0.65  5.29  64.2 GIF
   20210510 22:10:19     AMSR2 85-92GHz   16.01  109.81  35.0    16.43  109.81     0.31      0.88    N/A    0.85  5.27   0.0 GIF
   20210510 22:40:19    GOES16   NearIR   16.11  109.88  35.0    15.86  110.04     0.28      0.79   0.10    0.74  6.04  60.3 GIF
   20210510 23:10:19    GOES16   NearIR   16.14  109.91  35.0    15.84  110.09     0.32      0.90   0.15    0.65  5.25  49.0 GIF
   20210510 23:40:19     AMSR2 85-92GHz   16.01  109.81  35.0    16.52  109.88     0.31      0.88    N/A    0.85  4.87   0.0 GIF
   20210511 00:20:31     AMSR2 85-92GHz   16.01  109.81  35.0    16.56  109.91     0.31      0.88    N/A    0.85  4.67   0.0 GIF
   20210511 00:50:31     AMSR2 85-92GHz   16.01  109.81  35.0    16.59  109.93     0.31      0.88    N/A    0.85  4.52   0.0 GIF
   20210511 01:20:31    SSMI15 85-92GHz   15.25  109.87  35.0    16.22  110.20     0.37      1.03    N/A    0.60  4.39   0.0 GIF
   20210511 01:50:31    SSMI15 85-92GHz   15.25  109.87  35.0    16.25  110.22     0.37      1.03    N/A    0.60  4.29   0.0 GIF
   20210511 02:20:31    SSMI15 85-92GHz   15.25  109.87  35.0    16.27  110.25     0.37      1.03    N/A    0.60  4.18   0.0 GIF
   20210511 02:50:31    SSMI15 85-92GHz   15.25  109.87  35.0    16.30  110.27     0.37      1.03    N/A    0.60  4.07   0.0 GIF
   20210511 03:20:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.85  110.53     0.37      1.03    N/A    0.60  3.96   0.0 GIF
   20210511 03:50:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.85  110.56     0.37      1.03    N/A    0.60  3.84   0.0 GIF
   20210511 04:20:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.85  110.60     0.37      1.03    N/A    0.60  3.73   0.0 GIF
   20210511 04:50:31    GOES17   NearIR   15.91  110.43  30.0    15.41  110.33     0.45      1.26   0.05    0.48  3.77  47.1 GIF
   20210511 05:20:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.86  110.67     0.37      1.03    N/A    0.60  3.50   0.0 GIF
   20210511 05:50:31    GOES17       IR   15.92  110.50  30.0    15.22  110.58     0.45      1.28   0.10    0.58  3.71  55.8 GIF
   20210511 06:20:31    GOES17       IR   15.93  110.54  30.0    15.45  110.38     0.41      1.16   0.05    0.62  4.08  61.1 GIF
   20210511 06:50:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.88  110.78     0.37      1.03    N/A    0.60  3.18   0.0 GIF
   20210511 07:20:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.88  110.83     0.37      1.03    N/A    0.60  3.08   0.0 GIF
   20210511 07:50:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.89  110.86     0.37      1.03    N/A    0.60  2.98   0.0 GIF
   20210511 08:20:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.89  110.90     0.37      1.03    N/A    0.60  2.88   0.0 GIF
   20210511 08:50:31    SSMI15 85-92GHz   15.25  109.87  35.0    15.90  110.94     0.37      1.03    N/A    0.60  2.79   0.0 GIF
   20210511 09:20:32    SSMI15 85-92GHz   15.25  109.87  35.0    15.84  111.24     0.37      1.03    N/A    0.60  2.70   0.0 GIF
   20210511 09:50:32    GOES17   NearIR   15.90  111.08  25.0    15.87  111.13     0.32      0.91   0.10    0.64  5.19  88.5 GIF
   20210511 10:20:32    GOES17   NearIR   15.90  111.13  25.0    16.10  110.92     0.28      0.78   0.05    0.74  6.06  98.3 GIF
   20210511 10:50:32    SSMI15 85-92GHz   15.25  109.87  35.0    15.84  111.38     0.37      1.03    N/A    0.60  2.45   0.0 GIF
   20210511 11:20:32     AMSR2 85-92GHz   15.90  111.03  25.0    16.20  111.43     0.31      0.86    N/A    0.87  5.08   0.0 GIF
   20210511 11:50:32       GMI 85-92GHz   15.90  111.22  25.0    16.05  111.52     0.25      0.70    N/A    1.28  6.75   0.0 GIF
   20210511 12:20:32       GMI 85-92GHz   15.90  111.22  25.0    16.05  111.57     0.25      0.70    N/A    1.28  6.60   0.0 GIF
   20210511 12:50:32       GMI 85-92GHz   15.90  111.22  25.0    16.05  111.61     0.25      0.70    N/A    1.28  6.42   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