Tropical Depression 07W


ARCHER-V2 Auto-positioning Information
Advanced Dvorak Technique (ADT)
Version 9.1
 

                                         -------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    .
   20250712 21:20:00  HIMAWARI     SWIR   31.03  124.19  30.0    30.86  124.45    2.89      0.10     N/A    0.23  1.64   0.0 PNG
   20250712 21:50:00       GMI    89GHz   31.07  124.27  30.0    31.27  124.39    1.20      0.20    0.42    0.40  3.95   5.5 PNG
   20250712 22:20:00       GMI    89GHz   31.07  124.27  30.0    31.26  124.43    1.20      0.20    0.42    0.40  3.92   5.5 PNG
   20250712 22:50:00       GMI    89GHz   31.07  124.27  30.0    31.28  124.51    1.20      0.20    0.42    0.40  3.88   5.5 PNG
   20250712 23:20:00       GMI    89GHz   31.07  124.27  30.0    31.29  124.59    1.20      0.20    0.42    0.40  3.81   5.5 PNG
   20250712 23:50:00       GMI    89GHz   31.07  124.27  30.0    31.31  124.67    1.20      0.20    0.42    0.40  3.74   5.5 PNG
   20250713 00:20:00       GMI    89GHz   31.07  124.27  30.0    31.33  124.76    1.20      0.20    0.42    0.40  3.67   5.5 PNG
   20250713 00:50:00       GMI    89GHz   31.07  124.27  30.0    31.35  124.84    1.20      0.20    0.42    0.40  3.58   5.5 PNG
   20250713 01:20:00       GMI    89GHz   31.07  124.27  30.0    31.14  125.05    1.20      0.20    0.42    0.40  3.50   5.5 PNG
   20250713 01:50:00  HIMAWARI      Vis   31.12  125.12  30.0    30.72  125.00    1.10      0.30     N/A    0.36  4.32   0.0 PNG
   20250713 02:20:00  HIMAWARI      Vis   31.15  125.20  30.0    30.75  125.09    0.88      0.05     N/A    0.43  5.37   0.0 PNG
   20250713 02:50:00       GMI    89GHz   31.07  124.27  30.0    31.39  125.39    1.20      0.20    0.42    0.40  3.23   5.5 PNG
   20250713 03:20:00  HIMAWARI      Vis   31.25  125.40  30.0    30.65  125.37    0.74      0.10     N/A    0.50  6.45   0.0 PNG
   20250713 03:50:00  HIMAWARI      Vis   31.30  125.50  30.0    30.55  125.65    1.08      0.10     N/A    0.36  4.38   0.0 PNG
   20250713 04:20:00  HIMAWARI      Vis   31.35  125.61  30.0    30.48  125.87    1.05      0.05     N/A    0.37  4.53   0.0 PNG
   20250713 04:50:00  HIMAWARI      Vis   31.41  125.71  30.0    30.68  125.83    1.12      0.20     N/A    0.35  4.23   0.0 PNG
   20250713 05:20:00  HIMAWARI      Vis   31.46  125.81  30.0    30.61  126.05    0.83      0.10     N/A    0.46  5.74   0.0 PNG
   20250713 05:50:00       GMI    89GHz   31.07  124.27  30.0    31.68  126.01    1.20      0.20    0.42    0.40  2.72   5.5 PNG
   20250713 06:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.87  126.14    1.23      0.20    0.43    0.38  3.86   1.4 PNG
   20250713 06:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.86  126.22    1.23      0.20    0.43    0.38  3.70   1.4 PNG
   20250713 07:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.92  126.33    1.23      0.20    0.43    0.38  3.63   1.4 PNG
   20250713 07:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.97  126.44    1.23      0.20    0.43    0.38  3.55   1.4 PNG
   20250713 08:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.31  126.76    1.23      0.20    0.43    0.38  3.46   1.4 PNG
   20250713 08:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.39  126.88    1.23      0.20    0.43    0.38  3.38   1.4 PNG
   20250713 09:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.46  127.00    1.23      0.20    0.43    0.38  3.29   1.4 PNG
   20250713 09:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.53  127.12    1.23      0.20    0.43    0.38  3.21   1.4 PNG
   20250713 10:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.60  127.23    1.23      0.20    0.43    0.38  3.12   1.4 PNG
   20250713 10:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.66  127.35    1.23      0.20    0.43    0.38  3.03   1.4 PNG
   20250713 11:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.72  127.46    1.23      0.20    0.43    0.38  2.95   1.4 PNG
   20250713 11:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.80  127.58    1.23      0.20    0.43    0.38  2.87   1.4 PNG
   20250713 12:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.86  127.69    1.23      0.20    0.43    0.38  2.78   1.4 PNG
   20250713 12:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.96  127.81    1.23      0.20    0.43    0.38  2.70   1.4 PNG
   20250713 13:20:00     AMSR2    89GHz   31.57  126.02  30.0    31.02  127.92    1.23      0.20    0.43    0.38  2.63   1.4 PNG
   20250713 13:40:00     AMSR2    89GHz   31.57  126.02  30.0    31.08  128.00    1.23      0.20    0.43    0.38  2.58   1.4 PNG
   20250713 14:20:00     AMSR2    89GHz   31.57  126.02  30.0    31.19  128.14    1.23      0.20    0.43    0.38  2.48   1.4 PNG
   20250713 14:50:00  HIMAWARI       IR   31.99  128.16  30.0    32.29  125.83    1.33      0.45    0.47    0.57  3.58   1.1 PNG
   20250713 15:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.77  128.68    1.23      0.20    0.43    0.38  2.34   1.4 PNG
   20250713 15:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.80  128.80    1.23      0.20    0.43    0.38  2.27   1.4 PNG
   20250713 16:20:00     AMSR2    89GHz   31.57  126.02  30.0    30.84  128.92    1.23      0.20    0.43    0.38  2.21   1.4 PNG
   20250713 16:50:00     AMSR2    89GHz   31.57  126.02  30.0    30.88  129.03    1.23      0.20    0.43    0.38  2.15   1.4 PNG
   20250713 17:20:00  HIMAWARI     SWIR   31.66  129.08  25.0    31.51  129.55    3.68      0.50     N/A    0.19  1.29   0.0 PNG
   20250713 17:40:00  HIMAWARI     SWIR   31.71  129.19  25.0    31.56  129.69    1.39      0.50     N/A    0.44  3.42   0.0 PNG
   20250713 18:20:00  HIMAWARI     SWIR   31.77  129.30  25.0    31.64  129.75    2.32      0.15     N/A    0.28  2.04   0.0 PNG
   20250713 18:50:00     AMSR2    89GHz   31.82  129.42  25.0    31.67  129.60    1.02      0.60    0.36    0.61  4.65  18.7 PNG
   20250713 19:20:00     AMSR2    89GHz   31.82  129.42  25.0    31.70  129.69    1.02      0.60    0.36    0.61  4.29  18.7 PNG
   20250713 19:50:00     AMSR2    89GHz   31.82  129.42  25.0    31.75  129.80    1.02      0.60    0.36    0.61  4.18  18.7 PNG
   20250713 20:20:00     AMSR2    89GHz   31.82  129.42  25.0    31.86  130.06    1.02      0.60    0.36    0.61  4.07  18.7 PNG
   20250713 20:50:00     AMSR2    89GHz   31.82  129.42  25.0    31.93  130.15    1.02      0.60    0.36    0.61  3.96  18.7 PNG
   20250713 21:20:00     AMSR2    89GHz   31.82  129.42  25.0    32.00  130.23    1.02      0.60    0.36    0.61  3.84  18.7 PNG
   20250713 21:40:00     AMSR2    89GHz   31.82  129.42  25.0    32.05  130.29    1.02      0.60    0.36    0.61  3.76  18.7 PNG
   20250713 22:20:00     AMSR2    89GHz   31.82  129.42  25.0    32.13  130.41    1.02      0.60    0.36    0.61  3.61  18.7 PNG
   20250713 22:50:00     AMSR2    89GHz   31.82  129.42  25.0    32.20  130.50    1.02      0.60    0.36    0.61  3.49  18.7 PNG
   20250713 23:20:00     AMSR2    89GHz   31.82  129.42  25.0    32.27  130.59    1.02      0.60    0.36    0.61  3.38  18.7 PNG
   20250713 23:50:00       GMI    89GHz   32.17  130.09  25.0    32.33  130.85    1.34      0.60    0.47    0.28  3.30   2.6 PNG
   20250714 00:20:00  HIMAWARI      Vis   32.57  130.60  25.0    33.09  128.32    1.43      0.35     N/A    0.29  3.32   0.0 PNG
   20250714 00:50:00       GMI    89GHz   32.17  130.09  25.0    32.47  131.03    1.34      0.60    0.47    0.28  3.16   2.6 PNG
   20250714 01:20:00       GMI    89GHz   32.17  130.09  25.0    32.53  131.12    1.34      0.60    0.47    0.28  3.08   2.6 PNG
   20250714 01:50:00       GMI    89GHz   32.17  130.09  25.0    32.60  131.21    1.34      0.60    0.47    0.28  3.01   2.6 PNG
   20250714 02:20:00       GMI    89GHz   32.17  130.09  25.0    32.67  131.30    1.34      0.60    0.47    0.28  2.94   2.6 PNG
   20250714 02:50:00  HIMAWARI      Vis   33.10  131.30  25.0    33.25  131.60    1.30      0.10     N/A    0.31  3.65   0.0 PNG
   20250714 03:20:00       GMI    89GHz   32.17  130.09  25.0    33.00  131.70    1.34      0.60    0.47    0.28  2.79   2.6 PNG
   20250714 03:50:00  HIMAWARI     SWIR   33.23  131.47  25.0    33.28  133.29    1.46      0.10     N/A    0.42  3.26   0.0 PNG
   20250714 04:20:00  HIMAWARI      Vis   33.30  131.55  25.0    33.95  129.30    0.96      0.40     N/A    0.40  4.93   0.0 PNG
   20250714 04:50:00     AMSR2    89GHz   33.36  131.63  25.0    33.71  131.57    1.58      0.65    0.56    0.11  3.00   3.4 PNG
   20250714 05:20:00     AMSR2    89GHz   33.36  131.63  25.0    33.74  131.60    1.58      0.65    0.56    0.11  2.93   3.4 PNG
   20250714 05:50:00     AMSR2    89GHz   33.36  131.63  25.0    33.80  131.68    1.58      0.65    0.56    0.11  2.89   3.4 PNG
   20250714 06:20:00     AMSR2    89GHz   33.36  131.63  25.0    33.87  131.75    1.58      0.65    0.56    0.11  2.85   3.4 PNG
   20250714 06:50:00  HIMAWARI     SWIR   33.62  131.93  25.0    32.82  129.74    1.26      0.25     N/A    0.48  3.78   0.0 PNG
   20250714 07:20:00  HIMAWARI     SWIR   33.68  132.00  25.0    32.78  129.87    1.43      0.20     N/A    0.42  3.31   0.0 PNG
   20250714 07:40:00  HIMAWARI     SWIR   33.74  132.08  25.0    32.99  129.85    1.59      0.40     N/A    0.39  2.99   0.0 PNG
   20250714 08:20:00  HIMAWARI     SWIR   33.80  132.15  25.0    32.85  130.04    1.63      0.05     N/A    0.38  2.92   0.0 PNG
   20250714 08:50:00     AMSR2    89GHz   33.36  131.63  25.0    34.17  132.11    1.58      0.65    0.56    0.11  2.59   3.4 PNG
   20250714 09:20:00     AMSR2    89GHz   33.36  131.63  25.0    34.23  132.18    1.58      0.65    0.56    0.11  2.53   3.4 PNG
   20250714 09:50:00     AMSR2    89GHz   33.36  131.63  25.0    34.29  132.25    1.58      0.65    0.56    0.11  2.47   3.4 PNG
   20250714 10:20:00     AMSR2    89GHz   33.36  131.63  25.0    34.35  132.32    1.58      0.65    0.56    0.11  2.42   3.4 PNG
   20250714 10:50:00     AMSR2    89GHz   33.36  131.63  25.0    34.42  132.37    1.58      0.65    0.56    0.11  2.36   3.4 PNG
   20250714 11:20:00     AMSR2    89GHz   33.36  131.63  25.0    34.48  132.44    1.58      0.65    0.56    0.11  2.31   3.4 PNG
   20250714 11:50:00     AMSR2    89GHz   33.36  131.63  25.0    34.54  132.51    1.58      0.65    0.56    0.11  2.25   3.4 PNG
   20250714 12:20:00     AMSR2    89GHz   33.36  131.63  25.0    34.60  132.58    1.58      0.65    0.56    0.11  2.20   3.4 PNG
   20250714 12:50:00     AMSR2    89GHz   33.36  131.63  25.0    34.66  132.65    1.58      0.65    0.56    0.11  2.14   3.4 PNG
   20250714 13:10:00     AMSR2    89GHz   33.36  131.63  25.0    34.70  132.70    1.58      0.65    0.56    0.11  2.11   3.4 PNG
   20250714 13:50:00     AMSR2    89GHz   33.36  131.63  25.0    34.80  132.77    1.58      0.65    0.56    0.11  2.04   3.4 PNG
   20250714 14:20:00     AMSR2    89GHz   33.36  131.63  25.0    34.86  132.84    1.58      0.65    0.56    0.11  1.99   3.4 PNG
   20250714 14:50:00     AMSR2    89GHz   33.36  131.63  25.0    34.92  132.91    1.58      0.65    0.56    0.11  1.94   3.4 PNG
   20250714 15:20:00     AMSR2    89GHz   33.36  131.63  25.0    34.98  132.98    1.58      0.65    0.56    0.11  1.90   3.4 PNG
   20250714 15:50:00     AMSR2    89GHz   33.36  131.63  25.0    35.06  133.02    1.58      0.65    0.56    0.11  1.85   3.4 PNG
   20250714 16:10:00  HIMAWARI     SWIR   34.77  133.16  20.0    34.72  131.57    3.93      0.45     N/A    0.18  1.21   0.0 PNG
   20250714 16:40:00  HIMAWARI     SWIR   34.84  133.22  20.0    34.99  131.57    2.47      0.45     N/A    0.26  1.92   0.0 PNG
   20250714 17:00:00  HIMAWARI     SWIR   34.91  133.28  20.0    34.94  131.57    1.73      0.40     N/A    0.36  2.74   0.0 PNG
   20250714 17:20:00  HIMAWARI     SWIR   34.99  133.34  20.0    35.01  131.24    1.93      0.15     N/A    0.33  2.46   0.0 PNG
   20250714 18:00:00  HIMAWARI     SWIR   35.06  133.41  20.0    35.16  131.51    2.32      0.05     N/A    0.28  2.05   0.0 PNG
   20250714 18:40:00  HIMAWARI     SWIR   35.14  133.47  20.0    35.44  131.39    3.44      0.05     N/A    0.20  1.38   0.0 PNG
   20250714 19:00:00  HIMAWARI     SWIR   35.22  133.53  20.0    35.47  132.15    7.34      0.10     N/A    0.12  0.65   0.0 PNG
   20250714 19:30:00  HIMAWARI       IR   35.30  133.59  20.0    35.50  131.21    4.52      0.30    1.60    0.32  1.05   1.2 PNG
   20250714 20:00:00       GMI    89GHz   35.38  133.66  15.0    36.83  132.43    1.27      0.15    0.45    0.34  3.74   1.6 PNG
   20250714 20:30:00  HIMAWARI     SWIR   35.46  133.72  15.0    35.91  133.29    5.62      0.15     N/A    0.14  0.84   0.0 PNG
   20250714 21:00:00       GMI    89GHz   35.38  133.66  15.0    36.92  132.50    1.27      0.15    0.45    0.34  3.72   1.6 PNG
   20250714 21:30:00       GMI    89GHz   35.38  133.66  15.0    37.00  132.57    1.27      0.15    0.45    0.34  3.68   1.6 PNG
   20250714 22:00:00       GMI    89GHz   35.38  133.66  15.0    37.09  132.63    1.27      0.15    0.45    0.34  3.63   1.6 PNG
   20250714 22:40:00       GMI    89GHz   35.38  133.66  15.0    37.21  132.70    1.27      0.15    0.45    0.34  3.54   1.6 PNG
 
 
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