Tropical Depression 17U


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    .
   20200521 09:40:00  HIMAWARI      Vis   -8.81  -92.71  35.0    -9.11  -92.38     0.43      1.21   0.15    0.33  3.91  58.5 GIF
   20200521 10:10:00  HIMAWARI   NearIR   -8.87  -92.72  35.0   -10.05  -92.52     0.49      1.38   0.05    0.44  3.44  56.1 GIF
   20200521 10:50:00  HIMAWARI       IR   -8.95  -92.75  35.0    -9.45  -93.25     3.36      9.49   0.05    0.14  0.50  45.0 GIF
   20200521 11:10:00  HIMAWARI       IR   -9.00  -92.76  35.0    -9.50  -93.19     1.81      5.12   0.05    0.30  0.93  59.4 GIF
   20200521 11:40:00  HIMAWARI   NearIR   -9.06  -92.78  35.0    -9.61  -93.16     0.85      2.40   0.05    0.27  1.98  58.6 GIF
   20200521 12:10:00  HIMAWARI   NearIR   -9.12  -92.81  35.0    -9.65  -93.06     0.67      1.90   0.05    0.33  2.50  62.2 GIF
   20200521 12:40:00  HIMAWARI   NearIR   -9.18  -92.83  35.0    -9.61  -93.01     0.61      1.71   0.05    0.36  2.77  62.9 GIF
   20200521 13:10:00  HIMAWARI   NearIR   -9.25  -92.86  35.0   -10.00  -93.16     0.51      1.45   0.05    0.42  3.28  70.0 GIF
   20200521 13:40:00  HIMAWARI   NearIR   -9.44  -93.05  35.0   -10.44  -92.54     0.73      2.06   0.05    0.31  2.30  60.9 GIF
   20200521 14:10:00  HIMAWARI   NearIR   -9.51  -93.06  35.0   -10.61  -93.22     0.35      1.00   0.05    0.59  4.75  79.3 GIF
   20200521 14:40:00  HIMAWARI   NearIR   -9.57  -93.08  35.0   -10.69  -93.15     0.28      0.80   0.05    0.72  5.89  95.4 GIF
   20200521 15:10:00  HIMAWARI   NearIR   -9.62  -93.09  35.0   -10.77  -93.12     0.32      0.91   0.05    0.64  5.20  84.5 GIF
   20200521 15:40:00  HIMAWARI   NearIR   -9.67  -93.11  35.0   -10.87  -93.09     0.22      0.63   0.05    0.91  7.57 100.0 GIF
   20200521 16:10:00  HIMAWARI   NearIR   -9.72  -93.13  35.0   -10.92  -93.05     0.33      0.93   0.10    0.63  5.12  91.2 GIF
   20200521 16:40:00  HIMAWARI   NearIR   -9.77  -93.15  35.0   -11.07  -93.02     0.44      1.25   0.05    0.48  3.80  96.8 GIF
   20200521 17:10:00  HIMAWARI       IR   -9.82  -93.16  35.0   -11.12  -92.99     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20200521 17:40:00  HIMAWARI       IR   -9.87  -93.19  35.0    -8.52  -91.74     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20200521 18:10:00  HIMAWARI   NearIR   -9.92  -93.21  35.0    -8.67  -91.68     0.16      0.46   0.05    1.23 10.32 100.0 GIF
   20200521 18:40:00  HIMAWARI   NearIR   -9.96  -93.23  35.0    -8.61  -91.86     0.09      0.27   0.10    2.09 17.80 100.0 GIF
   20200521 19:10:00  HIMAWARI   NearIR  -10.01  -93.26  35.0    -8.74  -91.78     0.13      0.37   0.05    1.52 12.83 100.0 GIF
   20200521 19:40:00  HIMAWARI   NearIR  -10.06  -93.28  35.0    -8.61  -92.04     0.15      0.42   0.05    1.35 11.34 100.0 GIF
   20200521 20:10:00  HIMAWARI   NearIR  -10.12  -93.31  35.0    -8.94  -91.99     0.25      0.71   0.05    0.81  6.66 100.0 GIF
   20200521 20:40:00  HIMAWARI       IR   -9.92  -93.32  35.0    -8.70  -92.25     0.17      0.49   0.40    1.19  9.69  56.9 GIF
   20200521 21:10:00  HIMAWARI   NearIR   -9.97  -93.34  35.0    -8.37  -92.37     0.18      0.52   0.05    1.10  9.18 100.0 GIF
   20200521 21:40:00  HIMAWARI   NearIR  -10.03  -93.37  35.0    -9.05  -92.10     0.31      0.89   0.05    0.66  5.36 100.0 GIF
   20200521 22:10:00  HIMAWARI       IR  -10.08  -93.39  35.0    -9.38  -92.25     0.31      0.86   0.10    0.76  5.49  45.5 GIF
   20200521 22:40:00  HIMAWARI   NearIR  -10.14  -93.42  35.0    -9.56  -91.87     0.17      0.49   0.05    1.17  9.77 100.0 GIF
   20200521 23:10:00  HIMAWARI       IR  -10.20  -93.45  35.0    -9.80  -92.05     0.27      0.78   0.05    0.83  6.11  29.8 GIF
   20200521 23:40:00  HIMAWARI       IR  -10.26  -93.48  35.0    -9.81  -92.11     0.33      0.94   0.05    0.72  5.05  28.2 GIF
   20200522 00:10:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  6.34   0.0 GIF
   20200522 00:40:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  6.21   0.0 GIF
   20200522 01:00:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  6.11   0.0 GIF
   20200522 01:30:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  5.94   0.0 GIF
   20200522 02:00:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  5.75   0.0 GIF
   20200522 02:20:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  5.62   0.0 GIF
   20200522 03:00:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  5.36   0.0 GIF
   20200522 03:30:00  HIMAWARI       IR  -11.03  -93.89  35.0   -11.58  -94.22     0.27      0.77   0.05    0.83  6.17  92.4 GIF
   20200522 04:00:00  HIMAWARI       IR  -11.12  -93.95  35.0   -11.67  -94.28     0.33      0.95   0.10    0.72  5.02  80.0 GIF
   20200522 04:30:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  4.76   0.0 GIF
   20200522 05:00:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  4.58   0.0 GIF
   20200522 05:20:00    SSMI18 85-92GHz  -10.26  -93.48  35.0   -80.11   93.08     0.26      0.74    N/A    1.15  4.45   0.0 GIF
   20200522 06:00:00  HIMAWARI      Vis  -11.50  -94.20  35.0   -11.57  -94.23     0.25      0.71   0.20    0.52  6.69  57.5 GIF
   20200522 06:40:00  HIMAWARI      Vis  -11.56  -94.28  35.0   -11.61  -94.23     0.21      0.61   0.10    0.60  7.83  61.6 GIF
   20200522 07:00:00  HIMAWARI      Vis  -11.63  -94.33  35.0   -11.78  -94.38     0.28      0.79   0.30    0.48  6.04  51.3 GIF
   20200522 07:30:00  HIMAWARI      Vis  -11.75  -94.39  35.0   -11.65  -94.37     0.22      0.62   0.15    0.59  7.70  56.9 GIF
   20200522 08:00:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  5.23   0.0 GIF
   20200522 08:30:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  5.12   0.0 GIF
   20200522 08:50:00  HIMAWARI      Vis  -12.04  -94.58  35.0   -11.79  -94.69     0.29      0.81   0.45    0.46  5.84  49.0 GIF
   20200522 09:40:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  4.81   0.0 GIF
   20200522 10:10:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  4.67   0.0 GIF
   20200522 10:40:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  4.52   0.0 GIF
   20200522 11:10:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  4.37   0.0 GIF
   20200522 11:40:00  HIMAWARI   NearIR  -12.63  -95.04  35.0   -12.03  -93.63     0.15      0.42   0.05    1.34 11.28 100.0 GIF
   20200522 12:10:00  HIMAWARI   NearIR  -12.73  -95.13  35.0   -12.11  -93.54     0.14      0.40   0.05    1.42 11.98 100.0 GIF
   20200522 12:40:00  HIMAWARI   NearIR  -12.84  -95.22  35.0   -12.14  -93.91     0.22      0.61   0.05    0.93  7.74 100.0 GIF
   20200522 13:10:00  HIMAWARI   NearIR  -12.94  -95.31  35.0   -12.24  -93.54     0.33      0.94   0.05    0.63  5.07 100.0 GIF
   20200522 13:40:00  HIMAWARI       IR  -13.05  -95.41  35.0   -14.22  -95.79     0.19      0.55   0.05    1.08  8.64 100.0 GIF
   20200522 14:10:00  HIMAWARI   NearIR  -13.15  -95.50  35.0   -13.98  -96.25     0.42      1.18   0.05    0.50  4.01  99.9 GIF
   20200522 14:30:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  3.45   0.0 GIF
   20200522 15:10:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  3.29   0.0 GIF
   20200522 15:40:00  HIMAWARI   NearIR  -13.48  -95.80  35.0   -14.70  -96.60     0.16      0.46   0.05    1.24 10.37 100.0 GIF
   20200522 16:10:00  HIMAWARI   NearIR  -13.58  -95.90  35.0   -14.88  -96.60     0.13      0.36   0.05    1.55 13.05 100.0 GIF
   20200522 16:40:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  2.95   0.0 GIF
   20200522 17:10:00  HIMAWARI       IR  -13.81  -96.12  35.0   -15.33  -96.89     0.33      0.92   0.05    0.73  5.16  49.2 GIF
   20200522 17:40:00  HIMAWARI   NearIR  -13.92  -96.23  35.0   -15.75  -96.79     0.59      1.68   0.05    0.37  2.83  82.5 GIF
   20200522 18:10:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  2.66   0.0 GIF
   20200522 18:40:00  HIMAWARI   NearIR  -14.27  -96.23  30.0   -15.97  -97.09     0.15      0.41   0.05    1.37 11.54 100.0 GIF
   20200522 19:10:00     AMSR2 85-92GHz  -11.66  -94.34  35.0   -80.07   90.71     0.31      0.89    N/A    0.83  2.49   0.0 GIF
   20200522 19:40:00  HIMAWARI   NearIR  -14.52  -96.44  30.0   -13.47  -95.54     0.58      1.63   0.05    0.38  2.91  65.2 GIF
   20200522 20:10:00  HIMAWARI   NearIR  -14.64  -96.55  30.0   -16.31  -97.28     0.31      0.87   0.05    0.67  5.45 100.0 GIF
   20200522 20:30:00  HIMAWARI       IR  -14.72  -96.63  30.0   -16.47  -97.15     0.28      0.80   0.05    0.81  5.96  88.4 GIF
   20200522 21:10:00  HIMAWARI       IR  -14.87  -96.78  30.0   -16.65  -97.27     0.14      0.40   0.05    1.40 11.78 100.0 GIF
   20200522 21:40:00  HIMAWARI       IR  -14.98  -96.90  30.0   -16.76  -97.34     0.15      0.43   0.05    1.32 11.02  97.3 GIF
   20200522 22:10:00  HIMAWARI   NearIR  -15.09  -97.02  30.0   -16.74  -97.67     0.20      0.56   0.05    1.01  8.42 100.0 GIF
   20200522 22:40:00  HIMAWARI   NearIR  -15.21  -97.15  30.0   -16.96  -97.98     0.17      0.48   0.05    1.18  9.86 100.0 GIF
   20200522 23:10:00  HIMAWARI   NearIR  -15.32  -97.28  30.0   -16.72  -97.74     0.11      0.32   0.05    1.77 14.96 100.0 GIF
   20200522 23:40:00  HIMAWARI       IR  -15.43  -97.41  30.0   -16.98  -97.95     0.28      0.78   0.05    0.82  6.08  57.0 GIF
   20200523 00:10:00    SSMI18 85-92GHz  -15.40  -97.38  30.0   -80.08   82.68     0.40      1.12    N/A    0.49  4.19   0.0 GIF
   20200523 00:40:00    SSMI18 85-92GHz  -15.40  -97.38  30.0   -80.08   82.68     0.40      1.12    N/A    0.49  4.13   0.0 GIF
   20200523 01:10:00    SSMI18 85-92GHz  -15.40  -97.38  30.0   -80.08   82.68     0.40      1.12    N/A    0.49  4.05   0.0 GIF
   20200523 01:40:00  HIMAWARI       IR  -15.87  -97.98  30.0   -16.95  -98.70     0.26      0.75   0.05    0.85  6.35  48.5 GIF
   20200523 02:10:00  HIMAWARI       IR  -15.98  -98.13  30.0   -17.33  -98.86     0.26      0.73   0.05    0.87  6.52  49.6 GIF
   20200523 02:30:00  HIMAWARI       IR  -16.06  -98.23  30.0   -17.36  -98.93     0.24      0.69   0.25    0.91  6.91  50.5 GIF
   20200523 03:10:00  HIMAWARI       IR  -16.21  -98.44  30.0   -17.44  -99.04     0.22      0.61   0.05    0.99  7.76  67.4 GIF
   20200523 03:40:00  HIMAWARI       IR  -16.33  -98.60  30.0   -17.66  -99.25     0.23      0.65   0.10    0.95  7.28  50.2 GIF
   20200523 04:00:00  HIMAWARI      Vis  -16.41  -98.71  30.0   -17.24  -99.18     0.18      0.50   0.30    0.71  9.40  55.3 GIF
   20200523 04:40:00  HIMAWARI      Vis  -16.57  -98.93  30.0   -17.35  -99.30     0.13      0.37   0.05    0.95 12.86  69.4 GIF
   20200523 05:10:00  HIMAWARI      Vis  -16.69  -99.11  30.0   -17.37  -99.47     0.13      0.36   0.05    0.96 13.10  72.5 GIF
   20200523 05:40:00  HIMAWARI      Vis  -16.82  -99.28  30.0   -17.44  -99.67     0.13      0.36   0.10    0.97 13.13  64.3 GIF
   20200523 06:10:00  HIMAWARI      Vis  -16.94  -99.46  30.0   -17.49  -99.72     0.14      0.41   0.20    0.86 11.66  69.4 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