Tropical Depression 31P


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    .
   20250418 09:00:00  HIMAWARI       IR  -11.40  139.90  35.0   -12.45  138.32    0.60      0.10    0.21    1.00  7.85   5.7 PNG
   20250418 09:30:00  HIMAWARI       IR  -11.43  139.94  35.0   -12.58  138.35    0.53      0.15    0.19    1.11  8.90   9.0 PNG
   20250418 09:50:00  HIMAWARI     SWIR  -11.47  139.97  35.0   -12.62  138.31    0.79      0.05     N/A    0.73  5.97   0.0 PNG
   20250418 10:30:00  HIMAWARI       IR  -11.50  140.00  35.0   -12.75  138.42    0.80      0.45    0.28    0.81  5.92   2.5 PNG
   20250418 11:00:00  SSMISF17    89GHz  -11.40  139.90  35.0   -12.62  138.95    0.83      2.50     N/A    0.94  5.28   0.0 PNG
   20250418 11:30:00  SSMISF17    89GHz  -11.56  140.06  35.0   -11.56  140.11    1.09      1.10    0.38    0.53  4.37   1.2 PNG
   20250418 12:00:00  SSMISF17    89GHz  -11.56  140.06  35.0   -11.58  140.13    1.09      1.10    0.38    0.53  3.92   1.2 PNG
   20250418 12:20:00  SSMISF17    89GHz  -11.56  140.06  35.0   -11.60  140.15    1.09      1.10    0.38    0.53  3.85   1.2 PNG
   20250418 12:50:00  HIMAWARI     SWIR  -11.65  140.15  35.0   -11.72  140.51    1.25      0.25     N/A    0.48  3.81   0.0 PNG
   20250418 13:20:00  SSMISF17    89GHz  -11.56  140.06  35.0   -11.66  140.21    1.09      1.10    0.38    0.53  3.64   1.2 PNG
   20250418 13:50:00  HIMAWARI     SWIR  -11.72  140.57  35.0   -11.72  140.69    0.85      0.20     N/A    0.68  5.56   0.0 PNG
   20250418 14:20:00  HIMAWARI     SWIR  -11.75  140.58  35.0   -11.75  140.69    0.74      0.25     N/A    0.78  6.38   0.0 PNG
   20250418 14:50:00  HIMAWARI     SWIR  -11.80  140.60  35.0   -12.25  140.70    0.75      0.40     N/A    0.77  6.29   0.0 PNG
   20250418 15:20:00  HIMAWARI     SWIR  -11.83  140.62  35.0   -11.96  140.57    1.01      0.10     N/A    0.58  4.69   0.0 PNG
   20250418 15:50:00  HIMAWARI     SWIR  -11.87  140.63  35.0   -12.09  140.58    0.69      0.05     N/A    0.84  6.91   0.0 PNG
   20250418 16:20:00  HIMAWARI     SWIR  -11.90  140.65  35.0   -12.22  140.60    0.94      0.05     N/A    0.63  5.06   0.0 PNG
   20250418 16:50:00  HIMAWARI     SWIR  -11.93  140.67  35.0   -12.10  140.49    0.72      0.05     N/A    0.80  6.55   0.0 PNG
   20250418 17:20:00  HIMAWARI       IR  -11.96  140.68  35.0   -12.36  140.48    0.65      0.05    0.23    0.94  7.27  25.7 PNG
   20250418 17:50:00  HIMAWARI       IR  -11.99  140.70  35.0   -12.39  140.39    0.42      0.30    0.15    1.34 11.21  35.3 PNG
   20250418 18:20:00  HIMAWARI       IR  -12.02  140.72  30.0   -12.47  140.36    0.44      0.15    0.16    1.30 10.80  32.2 PNG
   20250418 19:00:00  HIMAWARI       IR  -12.05  140.73  30.0   -12.55  140.38    0.49      0.25    0.17    1.20  9.75   2.2 PNG
   20250418 19:20:00  HIMAWARI       IR  -12.08  140.75  30.0   -12.63  140.29    0.52      0.35     N/A    1.13  9.09   0.0 PNG
   20250418 19:50:00  HIMAWARI       IR  -12.10  140.77  30.0   -12.80  140.31    0.46      0.25     N/A    1.26 10.35   0.0 PNG
   20250418 20:20:00  HIMAWARI       IR  -11.98  141.10  30.0   -12.88  140.33    0.49      0.10    0.17    1.18  9.61   6.6 PNG
   20250418 20:50:00  HIMAWARI       IR  -12.00  141.10  30.0   -12.87  140.26    0.65      0.35    0.23    0.94  7.27   4.7 PNG
   20250418 21:20:00  SSMISF18    89GHz  -12.08  140.75  30.0   -12.37  140.80    0.66      0.45    0.23    1.39  6.05  13.3 PNG
   20250418 21:50:00  SSMISF18    89GHz  -12.08  140.75  30.0   -12.39  140.81    0.66      0.45    0.23    1.39  5.81  13.3 PNG
   20250418 22:20:00  SSMISF18    89GHz  -12.08  140.75  30.0   -12.41  140.82    0.66      0.45    0.23    1.39  5.57  13.3 PNG
   20250418 22:50:00  SSMISF18    89GHz  -12.08  140.75  30.0   -12.43  140.83    0.66      0.45    0.23    1.39  5.34  13.3 PNG
   20250418 23:20:00  SSMISF18    89GHz  -12.08  140.75  30.0   -12.46  140.84    0.66      0.45    0.23    1.39  5.11  13.3 PNG
   20250418 23:50:00  SSMISF18    89GHz  -12.08  140.75  30.0   -12.48  140.85    0.66      0.45    0.23    1.39  4.89  13.3 PNG
   20250419 00:20:00  SSMISF18    89GHz  -12.08  140.75  30.0   -12.50  140.87    0.66      0.45    0.23    1.39  4.68  13.3 PNG
   20250419 01:00:00  HIMAWARI      Vis  -12.15  141.14  30.0   -13.75  140.76    0.80      0.05     N/A    0.47  5.95   0.0 PNG
   20250419 01:20:00  HIMAWARI      Vis  -12.18  141.15  30.0   -13.78  140.90    0.73      0.05     N/A    0.51  6.49   0.0 PNG
   20250419 02:00:00  HIMAWARI      Vis  -12.47  141.60  30.0   -13.92  140.88    0.67      0.15     N/A    0.54  7.04   0.0 PNG
   20250419 02:20:00  HIMAWARI      Vis  -12.48  141.60  30.0   -14.03  140.88    0.50      0.05     N/A    0.72  9.55   0.0 PNG
   20250419 03:00:00  HIMAWARI      Vis  -12.50  141.60  30.0   -14.25  140.88    0.41      0.15     N/A    0.86 11.61   0.0 PNG
   20250419 03:20:00  HIMAWARI      Vis  -12.52  141.60  30.0   -12.92  141.19    0.88      0.50     N/A    0.43  5.39   0.0 PNG
   20250419 04:00:00  SSMISF17    89GHz  -12.07  141.11  30.0   -13.58  141.24    0.95      0.35    0.34    0.72  3.47   3.1 PNG
   20250419 04:20:00  SSMISF17    89GHz  -12.07  141.11  30.0   -13.59  141.24    0.95      0.35    0.34    0.72  3.39   3.1 PNG
   20250419 05:00:00  HIMAWARI      Vis  -12.56  141.59  30.0   -13.16  141.13    1.00      0.05     N/A    0.39  4.76   0.0 PNG
   20250419 05:30:00  HIMAWARI     SWIR  -12.58  141.59  30.0   -14.18  140.36    0.89      0.15     N/A    0.66  5.34   0.0 PNG
   20250419 05:50:00  HIMAWARI      Vis  -12.59  141.59  30.0   -13.19  140.87    0.91      0.10     N/A    0.42  5.22   0.0 PNG
   20250419 06:30:00  HIMAWARI      Vis  -12.60  141.58  30.0   -13.25  140.97    1.40      0.25     N/A    0.29  3.38   0.0 PNG
   20250419 07:00:00  SSMISF17    89GHz  -12.07  141.11  30.0   -13.66  141.22    0.95      0.35    0.34    0.72  2.83   3.1 PNG
   20250419 07:20:00  SSMISF18    89GHz  -12.62  141.57  30.0   -13.52  141.37    0.63      2.10    0.22    1.51  7.57   2.5 PNG
   20250419 07:50:00  SSMISF18    89GHz  -12.62  141.57  30.0   -13.67  140.84    0.63      2.10    0.22    1.51  7.36   2.5 PNG
   20250419 08:30:00  SSMISF18    89GHz  -12.62  141.57  30.0   -13.69  140.82    0.63      2.10    0.22    1.51  7.08   2.5 PNG
   20250419 09:00:00  SSMISF18    89GHz  -12.62  141.57  30.0   -13.71  140.80    0.63      2.10    0.22    1.51  6.83   2.5 PNG
   20250419 09:20:00  SSMISF18    89GHz  -12.62  141.57  30.0   -13.71  140.79    0.63      2.10    0.22    1.51  6.66   2.5 PNG
   20250419 09:50:00  SSMISF17    89GHz  -12.80  141.00  30.0   -13.78  141.28    0.71      1.00    0.25    1.24  6.46   1.5 PNG
   20250419 10:20:00  SSMISF17    89GHz  -12.80  141.00  30.0   -13.79  141.26    0.71      1.00    0.25    1.24  6.28   1.5 PNG
   20250419 10:50:00     AMSR2    89GHz  -12.86  140.93  30.0   -13.11  141.19    0.65      1.40    0.23    1.41  7.25   3.0 PNG
   20250419 11:20:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.77  141.32    0.68      1.10    0.24    1.33  6.10   1.1 PNG
   20250419 11:50:00  HIMAWARI       IR  -12.89  140.89  30.0   -13.39  140.48    0.45      0.30    0.16    1.28 10.54   5.2 PNG
   20250419 12:20:00  HIMAWARI       IR  -12.90  140.87  30.0   -13.15  140.56    0.55      0.05    0.19    1.09  8.69   2.0 PNG
   20250419 12:50:00  HIMAWARI       IR  -12.91  140.85  30.0   -13.21  140.44    0.43      0.40    0.15    1.32 11.02   2.8 PNG
   20250419 13:20:00  HIMAWARI       IR  -12.93  140.82  30.0   -13.23  140.31    0.38      0.15    0.13    1.47 12.44   2.9 PNG
   20250419 13:50:00  HIMAWARI       IR  -12.70  140.87  30.0   -13.25  140.30    0.51      0.15    0.18    1.14  9.23   4.1 PNG
   20250419 14:20:00  HIMAWARI     SWIR  -12.70  140.83  30.0   -13.12  140.32    0.92      0.10     N/A    0.64  5.18   0.0 PNG
   20250419 14:50:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.60  141.22    0.68      1.10    0.24    1.33  4.56   1.1 PNG
   20250419 15:20:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.60  141.19    0.68      1.10    0.24    1.33  4.36   1.1 PNG
   20250419 15:50:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.61  141.16    0.68      1.10    0.24    1.33  4.18   1.1 PNG
   20250419 16:20:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.61  141.13    0.68      1.10    0.24    1.33  4.01   1.1 PNG
   20250419 16:50:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.62  141.11    0.68      1.10    0.24    1.33  3.84   1.1 PNG
   20250419 17:20:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.62  141.08    0.68      1.10    0.24    1.33  3.68   1.1 PNG
   20250419 17:50:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.63  141.05    0.68      1.10    0.24    1.33  3.53   1.1 PNG
   20250419 18:20:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.64  141.03    0.68      1.10    0.24    1.33  3.39   1.1 PNG
   20250419 18:50:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.65  141.00    0.68      1.10    0.24    1.33  3.26   1.1 PNG
   20250419 19:20:00  SSMISF17    89GHz  -12.86  140.93  30.0   -13.40  141.31    0.68      1.10    0.24    1.33  3.13   1.1 PNG
   20250419 19:50:00  HIMAWARI       IR  -12.50  140.87  30.0   -13.20  140.46    1.21      0.50    0.43    0.61  3.93   1.1 PNG
   20250419 20:20:00  HIMAWARI       IR  -12.50  140.83  30.0   -13.15  140.73    0.98      0.10     N/A    0.70  4.84   0.0 PNG
   20250419 20:50:00  HIMAWARI       IR  -12.50  140.80  30.0   -13.10  140.70    0.70      0.25     N/A    0.89  6.75   0.0 PNG
   20250419 21:20:00  HIMAWARI       IR  -12.50  140.77  30.0   -13.00  140.64    0.50      0.20    0.18    1.17  9.48  10.1 PNG
   20250419 21:50:00  HIMAWARI       IR  -12.50  140.73  30.0   -13.00  140.53    0.38      0.45    0.13    1.48 12.61   9.5 PNG
   20250419 22:20:00  HIMAWARI       IR  -12.50  140.70  30.0   -12.95  140.52    0.33      0.05    0.12    1.65 14.27  26.0 PNG
   20250419 22:50:00  HIMAWARI       IR  -12.50  140.67  30.0   -13.00  140.54    0.38      0.20    0.14    1.46 12.35  12.8 PNG
   20250419 23:20:00  HIMAWARI      Vis  -12.50  140.64  30.0   -12.90  140.49    0.32      0.25     N/A    1.10 15.03   0.0 PNG
   20250420 00:00:00  HIMAWARI      Vis  -12.50  140.61  30.0   -12.95  140.41    0.39      0.05     N/A    0.90 12.11   0.0 PNG
   20250420 00:30:00  HIMAWARI      Vis  -12.50  140.58  30.0   -12.95  140.38    0.31      0.10     N/A    1.11 15.13   0.0 PNG
   20250420 00:50:00  HIMAWARI      Vis  -12.40  141.03  30.0   -13.10  140.52    0.26      0.05     N/A    1.30 17.98   0.0 PNG
   20250420 01:20:00  HIMAWARI      Vis  -12.40  141.00  30.0   -13.20  140.69    0.29      0.15     N/A    1.18 16.28   0.0 PNG
   20250420 01:50:00  HIMAWARI      Vis  -12.40  140.97  30.0   -13.20  140.74    0.29      0.10     N/A    1.18 16.23   0.0 PNG
   20250420 02:20:00  HIMAWARI      Vis  -12.40  140.93  30.0   -13.25  140.73    0.47      0.10     N/A    0.75 10.05   0.0 PNG
   20250420 02:50:00  SSMISF16    89GHz  -12.50  140.73  30.0   -13.00  141.06    0.69      0.90    0.24    1.30  4.65   3.6 PNG
   20250420 03:30:00  SSMISF16    89GHz  -12.50  140.73  30.0   -13.01  141.02    0.69      0.90    0.24    1.30  4.39   3.6 PNG
   20250420 03:50:00  SSMISF16    89GHz  -12.50  140.73  30.0   -13.01  141.00    0.69      0.90    0.24    1.30  4.27   3.6 PNG
   20250420 04:30:00  SSMISF16    89GHz  -12.50  140.73  30.0   -13.01  140.95    0.69      0.90    0.24    1.30  4.03   3.6 PNG
   20250420 04:50:00  SSMISF16    89GHz  -12.50  140.73  30.0   -13.02  140.93    0.69      0.90    0.24    1.30  3.92   3.6 PNG
   20250420 05:20:00  HIMAWARI      Vis  -12.41  140.72  30.0   -13.46  141.03    0.73      0.40     N/A    0.51  6.50   0.0 PNG
   20250420 06:00:00  HIMAWARI      Vis  -12.41  140.69  30.0   -13.46  140.89    0.67      0.10     N/A    0.54  7.03   0.0 PNG
   20250420 06:20:00  HIMAWARI      Vis  -12.42  140.65  30.0   -13.37  140.91    0.58      0.05     N/A    0.63  8.22   0.0 PNG
   20250420 06:50:00  HIMAWARI      Vis  -12.42  140.61  30.0   -13.52  140.84    0.53      0.05     N/A    0.68  8.93   0.0 PNG
   20250420 07:20:00  HIMAWARI     SWIR  -12.43  140.57  30.0   -13.68  140.73    1.23      0.05     N/A    0.49  3.85   0.0 PNG
   20250420 08:00:00  HIMAWARI       IR  -12.60  140.70  30.0   -13.40  140.85    0.91      0.05    0.32    0.74  5.23   3.7 PNG
   20250420 08:20:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.00  140.75    0.45      0.90    0.16    2.40 10.50   3.1 PNG
   20250420 08:50:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.00  140.72    0.45      0.90    0.16    2.40 10.42   3.1 PNG
   20250420 09:20:00  HIMAWARI       IR  -12.60  140.55  30.0   -13.30  140.65    0.43      0.20    0.15    1.33 11.12   7.3 PNG
   20250420 09:50:00  HIMAWARI       IR  -12.60  140.50  30.0   -13.30  140.60    0.40      0.15    0.14    1.42 11.99  10.8 PNG
   20250420 10:30:00  HIMAWARI       IR  -12.60  140.45  30.0   -13.30  140.65    0.38      0.10    0.14    1.46 12.40   2.2 PNG
   20250420 11:00:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.01  140.49    0.45      0.90    0.16    2.40  8.70   3.1 PNG
   20250420 11:20:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.01  140.46    0.45      0.90    0.16    2.40  8.40   3.1 PNG
   20250420 12:00:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.02  140.39    0.45      0.90    0.16    2.40  7.81   3.1 PNG
   20250420 12:20:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.02  140.35    0.45      0.90    0.16    2.40  7.52   3.1 PNG
   20250420 12:50:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.01  140.30    0.45      0.90    0.16    2.40  7.11   3.1 PNG
   20250420 13:20:00  SSMISF17    89GHz  -12.60  140.65  30.0   -13.02  140.24    0.45      0.90    0.16    2.40  6.72   3.1 PNG
   20250420 13:50:00  SSMISF17    89GHz  -12.60  140.65  30.0   -12.94  140.05    0.45      0.90    0.16    2.40  6.35   3.1 PNG
   20250420 14:20:00  SSMISF17    89GHz  -12.60  140.65  30.0   -12.92  139.99    0.45      0.90    0.16    2.40  6.00   3.1 PNG
   20250420 14:50:00  SSMISF17    89GHz  -12.60  140.65  30.0   -12.91  139.92    0.45      0.90    0.16    2.40  5.68   3.1 PNG
   20250420 15:20:00  SSMISF17    89GHz  -12.60  140.65  30.0   -12.91  139.85    0.45      0.90    0.16    2.40  5.38   3.1 PNG
   20250420 15:50:00  SSMISF17    89GHz  -12.60  140.65  30.0   -12.90  139.79    0.45      0.90    0.16    2.40  5.10   3.1 PNG
   20250420 16:20:00  SSMISF17    89GHz  -12.60  140.65  30.0   -12.89  139.72    0.45      0.90    0.16    2.40  4.84   3.1 PNG
   20250420 16:50:00  SSMISF17    89GHz  -12.60  140.65  30.0   -12.89  139.66    0.45      0.90    0.16    2.40  4.59   3.1 PNG
   20250420 17:20:00  HIMAWARI       IR  -12.43  139.46  30.0   -13.33  140.03    0.68      0.05    0.24    0.91  6.98  42.6 PNG
   20250420 17:50:00  HIMAWARI       IR  -12.42  139.40  30.0   -13.37  139.99    0.38      0.05    0.13    1.48 12.59   1.7 PNG
   20250420 18:20:00  HIMAWARI       IR  -12.41  139.33  30.0   -13.31  139.92    0.44      0.05    0.15    1.31 10.84  13.9 PNG
   20250420 18:50:00  HIMAWARI       IR  -12.41  139.26  30.0   -13.11  139.49    0.77      0.05    0.27    0.83  6.14  31.2 PNG
   20250420 19:20:00  HIMAWARI       IR  -12.40  139.20  30.0   -13.02  139.35    0.48      0.05    0.17    1.21  9.85  40.4 PNG
   20250420 19:50:00  HIMAWARI       IR  -12.53  139.23  30.0   -13.01  139.18    0.33      0.10    0.12    1.67 14.49  47.4 PNG
   20250420 20:20:00  HIMAWARI       IR  -12.52  139.16  30.0   -12.82  139.06    0.55      0.05    0.19    1.08  8.61  13.8 PNG
   20250420 20:50:00  HIMAWARI       IR  -12.50  139.10  30.0   -12.60  139.02    0.56      0.05    0.20    1.06  8.43  44.6 PNG
   20250420 21:20:00  HIMAWARI       IR  -12.48  139.03  30.0   -12.61  138.93    0.81      0.05    0.29    0.80  5.88   4.2 PNG
   20250420 21:50:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.77  139.06    0.64      1.30    0.23    1.46  7.43   2.5 PNG
   20250420 22:20:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.75  139.01    0.64      1.30    0.23    1.46  6.96   2.5 PNG
   20250420 22:50:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.73  138.94    0.64      1.30    0.23    1.46  6.73   2.5 PNG
   20250420 23:20:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.71  138.87    0.64      1.30    0.23    1.46  6.48   2.5 PNG
   20250421 00:00:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.68  138.77    0.64      1.30    0.23    1.46  6.14   2.5 PNG
   20250421 00:20:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.67  138.72    0.64      1.30    0.23    1.46  5.97   2.5 PNG
   20250421 00:50:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.65  138.65    0.64      1.30    0.23    1.46  5.72   2.5 PNG
   20250421 01:20:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.63  138.58    0.64      1.30    0.23    1.46  5.47   2.5 PNG
   20250421 01:50:00  HIMAWARI      Vis  -12.17  138.23  30.0   -12.92  138.28    0.53      0.15     N/A    0.67  8.90   0.0 PNG
   20250421 02:20:00  HIMAWARI      Vis  -12.13  138.16  30.0   -13.01  138.16    0.45      0.40     N/A    0.78 10.47   0.0 PNG
   20250421 03:00:00  HIMAWARI      Vis  -12.10  138.10  30.0   -13.35  138.15    0.84      0.05     N/A    0.45  5.64   0.0 PNG
   20250421 03:20:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.39  138.15    0.64      1.30    0.23    1.46  4.58   2.5 PNG
   20250421 03:40:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.37  138.10    0.64      1.30    0.23    1.46  4.44   2.5 PNG
   20250421 03:50:00  SSMISF16    89GHz  -12.47  138.96  30.0   -12.36  138.08    0.64      1.30    0.23    1.46  4.38   2.5 PNG
   20250421 05:00:00  HIMAWARI      Vis  -11.97  137.83  30.0   -12.77  138.09    0.88      0.50     N/A    0.43  5.39   0.0 PNG
   20250421 05:20:00  HIMAWARI      Vis  -11.95  137.76  30.0   -12.80  138.07    1.09      0.30     N/A    0.36  4.35   0.0 PNG
   20250421 05:50:00     AMSR2    89GHz  -11.92  137.70  30.0   -12.57  137.70    1.21      0.85    0.43    0.39  3.91   3.0 PNG
   20250421 06:20:00  HIMAWARI      Vis  -11.90  137.63  30.0   -12.15  137.43    1.09      0.15     N/A    0.36  4.37   0.0 PNG
   20250421 06:50:00  HIMAWARI       IR  -11.87  137.56  30.0   -12.37  137.23    0.76      0.10    0.27    0.84  6.22   4.4 PNG
   20250421 07:30:00  SSMISF18    89GHz  -11.87  137.56  30.0   -12.28  138.06    0.91      2.10    0.32    0.79  5.09   0.7 PNG
   20250421 07:50:00       GMI    89GHz  -11.97  137.33  35.0   -11.02  136.15    0.56      2.50     N/A    1.80  8.54   0.0 PNG
   20250421 08:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.99  136.11    0.56      2.50     N/A    1.80  8.50   0.0 PNG
   20250421 08:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.96  136.04    0.56      2.50     N/A    1.80  8.32   0.0 PNG
   20250421 09:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.93  135.97    0.56      2.50     N/A    1.80  8.07   0.0 PNG
   20250421 09:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.90  135.90    0.56      2.50     N/A    1.80  7.78   0.0 PNG
   20250421 10:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.87  135.83    0.56      2.50     N/A    1.80  7.46   0.0 PNG
   20250421 10:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.84  135.76    0.56      2.50     N/A    1.80  7.14   0.0 PNG
   20250421 11:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.82  135.68    0.56      2.50     N/A    1.80  6.82   0.0 PNG
   20250421 12:00:00       GMI    89GHz  -11.97  137.33  35.0   -10.77  135.59    0.56      2.50     N/A    1.80  6.40   0.0 PNG
   20250421 12:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.75  135.54    0.56      2.50     N/A    1.80  6.19   0.0 PNG
   20250421 12:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.73  135.46    0.56      2.50     N/A    1.80  5.90   0.0 PNG
   20250421 13:30:00       GMI    89GHz  -11.97  137.33  35.0   -10.69  135.37    0.56      2.50     N/A    1.80  5.52   0.0 PNG
   20250421 13:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.54  135.11    0.56      2.50     N/A    1.80  5.34   0.0 PNG
   20250421 14:20:00  HIMAWARI       IR  -11.43  136.18  30.0   -12.13  137.00    0.62      0.35     N/A    0.98  7.61   0.0 PNG
   20250421 14:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.47  134.95    0.56      2.50     N/A    1.80  4.85   0.0 PNG
   20250421 15:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.43  134.87    0.56      2.50     N/A    1.80  4.62   0.0 PNG
   20250421 15:50:00  HIMAWARI       IR  -11.33  135.93  30.0   -11.93  136.39    0.72      0.20    0.26    0.87  6.56   5.1 PNG
   20250421 16:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.38  134.70    0.56      2.50     N/A    1.80  4.20   0.0 PNG
   20250421 16:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.35  134.62    0.56      2.50     N/A    1.80  4.01   0.0 PNG
   20250421 17:20:00  HIMAWARI       IR  -11.23  135.70  30.0   -11.98  135.95    1.22      0.05    0.43    0.60  3.88   3.0 PNG
   20250421 17:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.28  134.47    0.56      2.50     N/A    1.80  3.67   0.0 PNG
   20250421 18:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.25  134.39    0.56      2.50     N/A    1.80  3.51   0.0 PNG
   20250421 18:50:00       GMI    89GHz  -11.97  137.33  35.0   -10.21  134.32    0.56      2.50     N/A    1.80  3.37   0.0 PNG
   20250421 19:20:00       GMI    89GHz  -11.97  137.33  35.0   -10.18  134.25    0.56      2.50     N/A    1.80  3.23   0.0 PNG
   20250421 19:50:00       GMI    89GHz  -11.97  137.33  35.0    -9.83  133.99    0.56      2.50     N/A    1.80  3.10   0.0 PNG
   20250421 20:20:00  HIMAWARI     SWIR  -10.73  135.06  30.0   -12.01  135.29    1.58      0.05     N/A    0.39  2.99   0.0 PNG
   20250421 20:50:00  HIMAWARI     SWIR  -10.70  135.00  30.0   -11.72  135.30    1.57      0.05     N/A    0.39  3.03   0.0 PNG
   20250421 21:20:00  HIMAWARI       IR  -10.67  134.93  30.0   -11.84  135.03    1.87      0.05    0.66    0.47  2.54  13.7 PNG
   20250421 21:50:00  HIMAWARI     SWIR  -10.63  134.86  30.0   -11.73  134.89    1.61      0.05     N/A    0.38  2.95   0.0 PNG
   20250421 22:20:00  SSMISF17    89GHz  -10.60  134.79  30.0    -9.60  133.77    0.61      0.05    0.22    1.56  7.76   4.9 PNG
   20250421 22:50:00  SSMISF17    89GHz  -10.60  134.79  30.0    -9.57  133.70    0.61      0.05    0.22    1.56  7.12   4.9 PNG
   20250421 23:20:00  SSMISF17    89GHz  -10.60  134.79  30.0    -9.54  133.62    0.61      0.05    0.22    1.56  6.86   4.9 PNG
   20250421 23:50:00  SSMISF17    89GHz  -10.60  134.79  30.0    -9.50  133.54    0.61      0.05    0.22    1.56  6.59   4.9 PNG
   20250422 00:20:00  SSMISF17    89GHz  -10.60  134.79  30.0    -9.47  133.46    0.61      0.05    0.22    1.56  6.32   4.9 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