Tropical Storm 24W


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    .
   20260915 14:20:00  HIMAWARI     SWIR   15.07  148.90  25.0    13.52  150.19    2.04      0.05     N/A    0.31  2.32   0.0 PNG
   20260915 14:50:00  HIMAWARI     SWIR   15.10  148.90  25.0    13.45  150.07    1.75      0.05     N/A    0.36  2.72   0.0 PNG
   20260915 15:20:00       GMI    89GHz   15.13  148.90  25.0    14.78  149.21    1.57      2.50     N/A    0.12  3.03   0.0 PNG
   20260915 16:00:00       GMI    89GHz   15.13  148.90  25.0    14.81  149.20    1.57      2.50     N/A    0.12  3.01   0.0 PNG
   20260915 16:30:00       GMI    89GHz   15.13  148.90  25.0    14.83  149.19    1.57      2.50     N/A    0.12  2.98   0.0 PNG
   20260915 17:00:00       GMI    89GHz   15.13  148.90  25.0    14.86  149.19    1.57      2.50     N/A    0.12  2.94   0.0 PNG
   20260915 17:20:00       GMI    89GHz   15.13  148.90  25.0    14.88  149.18    1.57      2.50     N/A    0.12  2.91   0.0 PNG
   20260915 18:00:00  HIMAWARI       IR   15.31  148.89  25.0    15.54  150.75    0.84      0.45    0.30    0.78  5.63  54.7 PNG
   20260915 18:30:00  HIMAWARI       IR   15.35  148.88  30.0    15.55  150.80    1.28      0.45    0.45    0.58  3.70  47.7 PNG
   20260915 19:00:00       GMI    89GHz   15.13  148.90  25.0    14.99  149.16    1.57      2.50     N/A    0.12  2.75   0.0 PNG
   20260915 19:20:00  SSMISF18    89GHz   15.43  148.88  30.0    14.43  149.97    0.84      0.90    0.30    0.93  5.68   5.2 PNG
   20260915 19:50:00  SSMISF18    89GHz   15.43  148.88  30.0    14.39  149.93    0.84      0.90    0.30    0.93  5.35   5.2 PNG
   20260915 20:20:00  SSMISF18    89GHz   15.43  148.88  30.0    14.11  149.89    0.84      0.90    0.30    0.93  5.20   5.2 PNG
   20260915 20:50:00  SSMISF18    89GHz   15.43  148.88  30.0    14.18  149.89    0.84      0.90    0.30    0.93  5.05   5.2 PNG
   20260915 21:20:00  SSMISF18    89GHz   15.43  148.88  30.0    14.24  149.90    0.84      0.90    0.30    0.93  4.89   5.2 PNG
   20260915 21:50:00  SSMISF18    89GHz   15.43  148.88  30.0    14.30  149.90    0.84      0.90    0.30    0.93  4.72   5.2 PNG
   20260915 22:20:00  HIMAWARI      Vis   15.40  148.81  30.0    14.60  150.70    0.66      0.05     N/A    0.56  7.24   0.0 PNG
   20260915 23:00:00  HIMAWARI      Vis   15.47  148.81  30.0    14.67  150.71    0.87      0.50     N/A    0.43  5.42   0.0 PNG
   20260915 23:20:00  HIMAWARI      Vis   15.54  148.82  30.0    14.49  150.58    0.53      0.40     N/A    0.68  8.99   0.0 PNG
   20260916 00:00:00  HIMAWARI      Vis   15.60  148.82  30.0    14.70  150.67    1.00      0.05     N/A    0.39  4.74   0.0 PNG
   20260916 00:20:00  SSMISF18    89GHz   15.43  148.88  30.0    14.61  149.94    0.84      0.90    0.30    0.93  3.93   5.2 PNG
   20260916 00:50:00  SSMISF18    89GHz   15.43  148.88  30.0    14.68  149.95    0.84      0.90    0.30    0.93  3.79   5.2 PNG
   20260916 01:20:00  SSMISF18    89GHz   15.43  148.88  30.0    14.74  149.96    0.84      0.90    0.30    0.93  3.65   5.2 PNG
   20260916 02:00:00  HIMAWARI      Vis   15.87  148.86  35.0    15.14  149.28    0.66      0.05     N/A    0.55  7.14   0.0 PNG
   20260916 02:20:00  HIMAWARI      Vis   15.42  148.78  30.0    15.14  148.89    0.61      0.10     N/A    0.60  7.80   0.0 PNG
   20260916 02:50:00  HIMAWARI      Vis   15.50  148.80  30.0    15.18  148.78    0.61      0.05     N/A    0.60  7.81   0.0 PNG
   20260916 03:30:00  SSMISF18    89GHz   15.43  148.88  30.0    14.58  149.90    0.84      0.90    0.30    0.93  3.11   5.2 PNG
   20260916 03:50:00  HIMAWARI       IR   15.67  148.83  30.0    15.62  148.73    1.52      0.35    0.54    0.53  3.13  50.4 PNG
   20260916 04:30:00  SSMISF18    89GHz   15.43  148.88  30.0    14.74  149.93    0.84      0.90    0.30    0.93  2.89   5.2 PNG
   20260916 04:50:00  SSMISF18    89GHz   15.43  148.88  30.0    14.79  149.94    0.84      0.90    0.30    0.93  2.82   5.2 PNG
   20260916 05:20:00  HIMAWARI      Vis   15.92  148.88  30.0    15.07  150.75    0.82      0.05     N/A    0.46  5.79   0.0 PNG
   20260916 06:00:00  SSMISF18    89GHz   15.43  148.88  30.0    14.98  149.97    0.84      0.90    0.30    0.93  2.60   5.2 PNG
   20260916 06:20:00  SSMISF17    89GHz   15.34  148.80  30.0    14.98  148.73    1.68      0.75    0.59    0.06  1.95   0.6 PNG
   20260916 06:50:00  SSMISF17    89GHz   15.34  148.80  30.0    15.06  148.74    1.68      0.75    0.59    0.06  1.90   0.6 PNG
   20260916 07:20:00  SSMISF17    89GHz   15.34  148.80  30.0    15.15  148.75    1.68      0.75    0.59    0.06  1.86   0.6 PNG
   20260916 07:50:00  SSMISF17    89GHz   15.34  148.80  30.0    15.23  148.76    1.68      0.75    0.59    0.06  1.81   0.6 PNG
   20260916 08:30:00  HIMAWARI       IR   15.99  148.98  30.0    16.49  148.59    9.49      0.05    3.36    0.21  0.50  21.1 PNG
   20260916 09:00:00  HIMAWARI     SWIR   16.10  149.00  30.0    16.13  149.24    1.44      0.25     N/A    0.42  3.30   0.0 PNG
   20260916 09:20:00  HIMAWARI     SWIR   16.22  149.02  30.0    16.22  149.28    1.08      0.15     N/A    0.55  4.38   0.0 PNG
   20260916 09:50:00  HIMAWARI     SWIR   16.34  149.04  30.0    16.51  149.19    1.35      0.35     N/A    0.45  3.50   0.0 PNG
   20260916 10:20:00  HIMAWARI       IR   16.45  149.05  30.0    16.80  149.11    1.61      0.50    0.57    0.51  2.94  48.9 PNG
   20260916 10:50:00  HIMAWARI       IR   16.56  149.07  30.0    17.24  149.23    1.66      0.05    0.59    0.50  2.86  59.5 PNG
   20260916 11:20:00  HIMAWARI       IR   16.68  149.09  30.0    17.40  149.07    3.68      0.10    1.30    0.34  1.29  46.7 PNG
   20260916 11:50:00  HIMAWARI       IR   16.79  149.11  30.0    17.32  149.45    9.49      0.15    3.36    0.06  0.50   8.2 PNG
   20260916 12:20:00  HIMAWARI       IR   16.90  149.13  30.0    17.50  149.37    9.49      0.15    3.36    0.15  0.50  40.8 PNG
   20260916 12:50:00  HIMAWARI     SWIR   17.02  149.15  30.0    17.14  149.76    3.26      0.15     N/A    0.21  1.45   0.0 PNG
   20260916 13:20:00  HIMAWARI     SWIR   17.13  149.18  30.0    17.33  149.75    2.98      0.10     N/A    0.23  1.59   0.0 PNG
   20260916 13:50:00  HIMAWARI       IR   17.24  149.20  30.0    18.61  147.76    9.49      0.25    3.36    0.26  0.50  39.5 PNG
   20260916 14:20:00  HIMAWARI     SWIR   17.15  149.48  35.0    18.43  147.88    2.01      0.50     N/A    0.31  2.36   0.0 PNG
   20260916 14:50:00       GMI    89GHz   17.28  149.47  35.0    17.13  149.68    0.62      0.15    0.22    1.51  7.60  82.0 PNG
   20260916 15:20:00       GMI    89GHz   17.28  149.47  35.0    17.10  149.87    0.62      0.15    0.22    1.51  7.47  82.0 PNG
   20260916 15:50:00       GMI    89GHz   17.28  149.47  35.0    17.23  149.88    0.62      0.15    0.22    1.51  7.29  82.0 PNG
   20260916 16:20:00       GMI    89GHz   17.28  149.47  35.0    17.35  149.88    0.62      0.15    0.22    1.51  7.07  82.0 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