Tropical Depression 11S


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    .
   20251231 20:20:00  HIMAWARI       IR  -11.54  106.64  35.0   -12.34  106.69    0.30      0.10     N/A    1.82 15.92   0.0 PNG
   20251231 20:50:00  HIMAWARI       IR  -11.60  106.70  35.0   -12.48  106.78    0.46      0.05    0.16    1.25 10.32  47.3 PNG
   20251231 21:20:00  HIMAWARI       IR  -11.67  106.77  35.0   -12.57  106.77    0.40      0.15    0.14    1.40 11.75   5.5 PNG
   20251231 21:50:00  HIMAWARI       IR  -11.73  106.84  35.0   -12.68  106.79    0.44      0.15    0.16    1.30 10.82   3.1 PNG
   20251231 22:20:00  HIMAWARI       IR  -11.79  106.91  35.0   -12.59  106.80    0.50      0.10    0.18    1.17  9.51   1.0 PNG
   20251231 22:50:00  HIMAWARI       IR  -11.86  106.97  35.0   -12.61  106.87    0.30      0.10    0.11    1.81 15.78   0.6 PNG
   20251231 23:20:00  HIMAWARI       IR  -11.92  107.04  35.0   -12.67  106.94    0.35      0.05    0.12    1.57 13.48  15.4 PNG
   20260101 01:50:00  HIMAWARI       IR  -12.67  108.07  35.0   -12.82  107.40    0.67      0.05    0.24    0.93  7.13   6.6 PNG
   20260101 02:20:00  HIMAWARI       IR  -12.74  108.14  35.0   -12.89  107.52    0.62      0.35     N/A    0.98  7.65   0.0 PNG
   20260101 02:50:00  HIMAWARI      Vis  -12.80  108.20  35.0   -13.05  107.64    0.47      0.05     N/A    0.76 10.11   0.0 PNG
   20260101 03:30:00  HIMAWARI       IR  -12.87  108.27  35.0   -13.02  107.60    0.43      0.15    0.15    1.32 10.94  10.5 PNG
   20260101 04:00:00  HIMAWARI      Vis  -12.93  108.34  35.0   -13.28  107.72    0.57      0.35     N/A    0.63  8.29   0.0 PNG
   20260101 04:30:00  HIMAWARI      Vis  -13.00  108.40  35.0   -13.35  107.91    0.70      0.05     N/A    0.53  6.78   0.0 PNG
   20260101 05:00:00  HIMAWARI      Vis  -13.06  108.47  35.0   -13.41  107.96    0.78      0.10     N/A    0.48  6.10   0.0 PNG
   20260101 05:20:00  HIMAWARI      Vis  -13.12  108.54  45.0   -13.47  107.87    0.56      0.20     N/A    0.64  8.45   0.0 PNG
   20260101 05:50:00  HIMAWARI      Vis  -13.18  108.60  35.0   -13.58  107.83    0.35      0.05     N/A    1.01 13.74   0.0 PNG
   20260101 06:30:00  HIMAWARI      Vis  -13.24  108.67  45.0   -13.61  107.80    0.33      0.10     N/A    1.06 14.47   0.0 PNG
   20260101 06:50:00  HIMAWARI      Vis  -13.30  108.74  45.0   -13.72  107.71    0.36      0.05     N/A    0.98 13.27   0.0 PNG
   20260101 07:20:00  HIMAWARI      Vis  -13.35  108.80  45.0   -13.85  107.77    0.41      0.20     N/A    0.86 11.55   0.0 PNG
   20260101 07:50:00       GMI    89GHz  -13.30  108.30  45.0   -13.65  108.25    0.40      0.05    0.14    2.82 11.89  99.0 PNG
   20260101 08:30:00       GMI    89GHz  -13.30  108.30  45.0   -13.70  108.30    0.40      0.05    0.14    2.82 11.80  99.0 PNG
   20260101 09:00:00       GMI    89GHz  -13.30  108.30  45.0   -13.75  108.35    0.40      0.05    0.14    2.82 11.44  99.0 PNG
   20260101 09:20:00       GMI    89GHz  -13.30  108.30  45.0   -13.79  108.38    0.40      0.05    0.14    2.82 11.13  99.0 PNG
   20260101 09:50:00       GMI    89GHz  -13.30  108.30  45.0   -13.84  108.43    0.40      0.05    0.14    2.82 10.61  99.0 PNG
   20260101 10:30:00       GMI    89GHz  -13.30  108.30  45.0   -13.91  108.49    0.40      0.05    0.14    2.82  9.87  99.0 PNG
   20260101 11:00:00       GMI    89GHz  -13.30  108.30  45.0   -13.97  108.53    0.40      0.05    0.14    2.82  9.31  99.0 PNG
   20260101 11:30:00       GMI    89GHz  -13.30  108.30  45.0   -14.02  108.58    0.40      0.05    0.14    2.82  8.77  99.0 PNG
   20260101 12:00:00  HIMAWARI       IR  -13.70  108.69  45.0   -13.85  108.10    0.55      0.10    0.20    1.08  8.60  11.8 PNG
   20260101 12:30:00       GMI    89GHz  -13.30  108.30  45.0   -14.12  108.67    0.40      0.05    0.14    2.82  7.76  99.0 PNG
   20260101 12:50:00       GMI    89GHz  -13.30  108.30  45.0   -14.28  108.41    0.40      0.05    0.14    2.82  7.45  99.0 PNG
   20260101 13:20:00       GMI    89GHz  -13.30  108.30  45.0   -14.35  108.44    0.40      0.05    0.14    2.82  7.01  99.0 PNG
   20260101 14:00:00       GMI    89GHz  -13.30  108.30  45.0   -14.35  108.47    0.40      0.05    0.14    2.82  6.46  99.0 PNG
   20260101 14:20:00  HIMAWARI       IR  -14.05  108.57  45.0   -13.90  108.52    0.74      0.10    0.26    0.86  6.40   4.4 PNG
   20260101 14:50:00       GMI    89GHz  -13.30  108.30  45.0   -14.44  108.53    0.40      0.05    0.14    2.82  5.86  99.0 PNG
   20260101 15:20:00       GMI    89GHz  -13.30  108.30  45.0   -14.49  108.57    0.40      0.05    0.14    2.82  5.53  99.0 PNG
   20260101 15:50:00  HIMAWARI       IR  -14.20  108.67  45.0   -14.05  108.72    0.71      0.15    0.25    0.88  6.64  15.0 PNG
   20260101 16:20:00  HIMAWARI       IR  -14.25  108.70  45.0   -14.10  108.83    0.72      0.05    0.25    0.88  6.59  48.5 PNG
   20260101 16:50:00  HIMAWARI       IR  -14.30  108.73  45.0   -14.12  109.07    0.90      0.05    0.32    0.74  5.26  43.1 PNG
   20260101 17:20:00       GMI    89GHz  -13.30  108.30  45.0   -14.69  108.71    0.40      0.05    0.14    2.82  4.46  99.0 PNG
   20260101 17:50:00  HIMAWARI     SWIR  -14.39  108.80  45.0   -14.67  109.21    1.09      0.15     N/A    0.54  4.35   0.0 PNG
   20260101 18:20:00       GMI    89GHz  -13.30  108.30  45.0   -14.79  108.78    0.40      0.05    0.14    2.82  4.03  99.0 PNG
   20260101 18:50:00  HIMAWARI     SWIR  -14.48  108.87  45.0   -15.13  109.54    0.91      0.05     N/A    0.64  5.19   0.0 PNG
   20260101 19:20:00  HIMAWARI     SWIR  -14.53  108.90  45.0   -15.13  109.60    0.98      0.05     N/A    0.60  4.83   0.0 PNG
   20260101 19:40:00  HIMAWARI     SWIR  -14.82  109.28  45.0   -15.07  109.67    1.18      0.10     N/A    0.51  4.02   0.0 PNG
   20260101 20:20:00  HIMAWARI     SWIR  -14.61  108.97  45.0   -15.21  109.85    0.87      0.05     N/A    0.67  5.44   0.0 PNG
   20260101 20:50:00  HIMAWARI     SWIR  -14.90  109.30  45.0   -15.30  109.77    0.91      0.50     N/A    0.64  5.22   0.0 PNG
   20260101 21:20:00     AMSR2    89GHz  -14.53  108.90  45.0   -14.83  109.57    1.16      2.05    0.41    0.44  3.57  18.7 PNG
   20260101 21:50:00     AMSR2    89GHz  -14.53  108.90  45.0   -14.85  109.60    1.16      2.05    0.41    0.44  3.47  18.7 PNG
   20260101 22:20:00  HIMAWARI     SWIR  -15.00  109.35  45.0   -15.10  109.48    1.17      0.15     N/A    0.51  4.06   0.0 PNG
   20260101 22:50:00  HIMAWARI     SWIR  -15.03  109.37  45.0   -15.15  109.58    1.31      0.10     N/A    0.46  3.61   0.0 PNG
   20260101 23:20:00  HIMAWARI     SWIR  -15.06  109.39  45.0   -15.26  109.47    1.49      0.05     N/A    0.41  3.19   0.0 PNG
   20260101 23:50:00  HIMAWARI       IR  -15.09  109.41  45.0   -15.34  109.70    1.29      0.10    0.46    0.58  3.66   1.5 PNG
   20260102 00:20:00  HIMAWARI      Vis  -15.12  109.43  45.0   -15.22  109.43    0.93      0.35     N/A    0.41  5.08   0.0 PNG
   20260102 00:50:00  HIMAWARI      Vis  -15.15  109.45  45.0   -15.25  109.53    0.66      0.05     N/A    0.56  7.24   0.0 PNG
   20260102 01:20:00  HIMAWARI      Vis  -15.18  109.48  40.0   -15.38  109.71    0.54      0.15     N/A    0.66  8.74   0.0 PNG
   20260102 02:00:00  HIMAWARI      Vis  -15.37  109.50  40.0   -15.59  109.73    0.43      0.05     N/A    0.82 10.96   0.0 PNG
   20260102 02:20:00  HIMAWARI      Vis  -15.38  109.50  40.0   -15.58  109.71    0.36      0.10     N/A    0.96 13.09   0.0 PNG
   20260102 02:50:00  HIMAWARI      Vis  -15.40  109.50  40.0   -15.65  109.81    0.34      0.10     N/A    1.03 14.06   0.0 PNG
   20260102 03:20:00  HIMAWARI       IR  -15.42  109.50  40.0   -15.49  109.86    0.66      0.05    0.23    0.94  7.22   3.2 PNG
   20260102 03:50:00  HIMAWARI      Vis  -15.44  109.50  40.0   -15.74  110.02    0.70      0.05     N/A    0.53  6.80   0.0 PNG
   20260102 04:20:00  HIMAWARI       IR  -15.45  109.50  40.0   -15.48  110.07    1.21      0.30    0.43    0.61  3.93   0.3 PNG
   20260102 05:00:00  HIMAWARI       IR  -15.47  109.49  40.0   -15.57  110.12    0.87      0.10    0.31    0.76  5.47   1.7 PNG
   20260102 05:20:00  HIMAWARI       IR  -15.49  109.49  40.0   -15.59  110.17    1.00      0.05    0.36    0.69  4.72  13.1 PNG
   20260102 05:50:00  HIMAWARI       IR  -15.51  109.49  40.0   -15.74  110.06    2.23      0.50     N/A    0.42  2.13   0.0 PNG
   20260102 06:20:00  HIMAWARI      Vis  -15.53  109.48  40.0   -15.98  109.38    0.80      0.30     N/A    0.47  5.90   0.0 PNG
   20260102 06:50:00  HIMAWARI      Vis  -15.55  109.48  40.0   -16.05  109.38    0.61      0.10     N/A    0.60  7.80   0.0 PNG
   20260102 07:20:00  HIMAWARI      Vis  -15.58  109.47  40.0   -16.10  109.32    0.42      0.05     N/A    0.83 11.19   0.0 PNG
   20260102 07:40:00     AMSR2    89GHz  -15.55  109.48  40.0   -16.35  109.60    1.55      0.55    0.55    0.13  2.95   0.8 PNG
   20260102 08:20:00  HIMAWARI      Vis  -16.18  109.23  40.0   -16.38  109.18    0.70      0.15     N/A    0.52  6.75   0.0 PNG
   20260102 08:50:00  HIMAWARI      Vis  -16.20  109.20  40.0   -16.40  109.09    1.22      0.15     N/A    0.33  3.88   0.0 PNG
   20260102 09:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.42  109.85    1.13      1.60    0.40    0.47  4.19   0.6 PNG
   20260102 09:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.44  109.83    1.13      1.60    0.40    0.47  4.10   0.6 PNG
   20260102 10:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.46  109.80    1.13      1.60    0.40    0.47  4.03   0.6 PNG
   20260102 10:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.49  109.77    1.13      1.60    0.40    0.47  3.95   0.6 PNG
   20260102 11:30:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.52  109.73    1.13      1.60    0.40    0.47  3.83   0.6 PNG
   20260102 11:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.53  109.71    1.13      1.60    0.40    0.47  3.77   0.6 PNG
   20260102 12:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.56  109.68    1.13      1.60    0.40    0.47  3.68   0.6 PNG
   20260102 12:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.93  109.50    1.13      1.60    0.40    0.47  3.58   0.6 PNG
   20260102 13:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.95  109.45    1.13      1.60    0.40    0.47  3.48   0.6 PNG
   20260102 13:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.97  109.40    1.13      1.60    0.40    0.47  3.38   0.6 PNG
   20260102 14:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -15.99  109.36    1.13      1.60    0.40    0.47  3.29   0.6 PNG
   20260102 14:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.00  109.31    1.13      1.60    0.40    0.47  3.19   0.6 PNG
   20260102 15:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.01  109.25    1.13      1.60    0.40    0.47  3.10   0.6 PNG
   20260102 15:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.04  109.21    1.13      1.60    0.40    0.47  3.00   0.6 PNG
   20260102 16:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.04  109.15    1.13      1.60    0.40    0.47  2.91   0.6 PNG
   20260102 16:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.06  109.11    1.13      1.60    0.40    0.47  2.83   0.6 PNG
   20260102 17:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.08  109.06    1.13      1.60    0.40    0.47  2.74   0.6 PNG
   20260102 17:50:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.08  109.00    1.13      1.60    0.40    0.47  2.66   0.6 PNG
   20260102 18:20:00  SSMISF18    89GHz  -16.22  109.17  40.0   -16.10  108.95    1.13      1.60    0.40    0.47  2.58   0.6 PNG
   20260102 18:50:00       GMI    89GHz  -16.91  108.18  35.0   -16.71  108.23    1.69      0.40    0.60    0.05  2.81   0.2 PNG
   20260102 19:20:00       GMI    89GHz  -16.91  108.18  35.0   -16.72  108.20    1.69      0.40    0.60    0.05  2.79   0.2 PNG
   20260102 19:50:00       GMI    89GHz  -16.91  108.18  35.0   -16.60  107.94    1.69      0.40    0.60    0.05  2.77   0.2 PNG
   20260102 20:20:00     AMSR2    89GHz  -16.80  107.78  30.0   -16.80  107.78    1.12      0.30    0.40    0.48  4.22   2.5 PNG
   20260102 20:50:00     AMSR2    89GHz  -16.80  107.78  30.0   -16.80  107.73    1.12      0.30    0.40    0.48  3.90   2.5 PNG
   20260102 21:20:00     AMSR2    89GHz  -16.80  107.78  30.0   -16.80  107.65    1.12      0.30    0.40    0.48  3.81   2.5 PNG
   20260102 21:50:00     AMSR2    89GHz  -16.80  107.78  30.0   -16.80  107.56    1.12      0.30    0.40    0.48  3.71   2.5 PNG
   20260102 22:20:00     AMSR2    89GHz  -16.80  107.78  30.0   -16.80  107.48    1.12      0.30    0.40    0.48  3.61   2.5 PNG
   20260102 22:50:00     AMSR2    89GHz  -16.80  107.78  30.0   -16.80  107.40    1.12      0.30    0.40    0.48  3.51   2.5 PNG
   20260102 23:20:00     AMSR2    89GHz  -16.80  107.78  30.0   -16.80  107.32    1.12      0.30    0.40    0.48  3.41   2.5 PNG
   20260103 00:00:00  SSMISF17    89GHz  -16.80  107.21  30.0   -16.55  107.31    0.92      1.40    0.33    0.76  5.14   0.6 PNG
   20260103 00:20:00  HIMAWARI      Vis  -16.80  107.13  30.0   -16.80  107.13    0.68      0.10     N/A    0.54  6.95   0.0 PNG
   20260103 01:00:00  HIMAWARI      Vis  -16.80  107.05  30.0   -16.80  106.87    0.67      0.20     N/A    0.55  7.05   0.0 PNG
   20260103 01:30:00  HIMAWARI      Vis  -16.80  106.97  25.0   -16.77  106.92    0.84      0.10     N/A    0.45  5.65   0.0 PNG
   20260103 02:00:00  HIMAWARI      Vis  -16.80  106.90  25.0   -16.82  106.74    0.46      0.20     N/A    0.78 10.37   0.0 PNG
   20260103 02:20:00  HIMAWARI      Vis  -16.80  106.82  25.0   -16.75  106.66    0.42      0.15     N/A    0.84 11.29   0.0 PNG
   20260103 02:50:00  HIMAWARI      Vis  -16.80  106.74  25.0   -16.80  106.51    0.45      0.20     N/A    0.78 10.43   0.0 PNG
   20260103 03:30:00  HIMAWARI      Vis  -16.80  106.67  25.0   -16.80  106.46    0.39      0.20     N/A    0.90 12.16   0.0 PNG
   20260103 04:00:00  HIMAWARI      Vis  -16.80  106.59  25.0   -16.77  106.30    0.52      0.30     N/A    0.69  9.16   0.0 PNG
   20260103 04:30:00  HIMAWARI      Vis  -16.80  106.52  25.0   -16.75  106.02    0.68      0.05     N/A    0.54  6.94   0.0 PNG
   20260103 05:00:00  HIMAWARI      Vis  -16.80  106.44  25.0   -16.70  105.82    0.37      0.35     N/A    0.94 12.73   0.0 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