Tropical Storm 31Y_02


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    .
   20220630 23:40:00  HIMAWARI       IR   20.25 -130.40  30.0    20.00 -129.33     0.50      1.42   0.10    0.55  3.33  99.5 GIF
   20220701 00:10:00  HIMAWARI      Vis   20.25 -130.40  30.0    20.20 -130.32     0.57      1.62   0.10    0.26  2.93  62.0 GIF
   20220701 00:50:00  HIMAWARI      Vis   20.23 -130.38  30.0    20.58 -130.25     0.26      0.75   0.10    0.50  6.36  81.1 GIF
   20220701 01:20:00  HIMAWARI      Vis   20.23 -130.37  30.0    20.50 -130.05     0.16      0.45   0.45    0.79 10.54  99.0 GIF
   20220701 05:50:00  HIMAWARI      Vis   20.40 -130.40  35.0    20.52 -130.27     0.21      0.59   0.35    0.61  8.02  82.0 GIF
   20220701 06:20:00  HIMAWARI      Vis   20.41 -130.40  35.0    20.66 -130.26     0.25      0.70   0.30    0.53  6.76  82.0 GIF
   20220701 11:40:00  HIMAWARI   NearIR   21.40 -131.00  35.0    21.38 -129.47     0.54      1.53   0.45    0.40  3.09  53.4 GIF
   20220701 12:20:00  HIMAWARI       IR   21.44 -130.97  35.0    21.54 -129.11     0.70      1.98   0.35    0.45  2.40  62.2 GIF
   20220701 17:40:00  HIMAWARI       IR   23.25 -131.20  40.0    22.15 -129.51     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220701 18:20:00  HIMAWARI       IR   23.26 -131.19  40.0    22.28 -129.53     0.78      2.19   0.05    0.43  2.16  75.5 GIF
   20220701 23:40:00  HIMAWARI       IR   24.40 -130.25  40.0    22.73 -129.84     1.41      3.97   0.05    0.33  1.19  56.5 GIF
   20220701 23:50:00  HIMAWARI   NearIR   24.40 -130.25  40.0    23.48 -130.09     2.06      5.82   0.10    0.14  0.82  16.6 GIF
   20220702 00:10:00  HIMAWARI      Vis   24.41 -130.25  40.0    23.96 -130.25     0.34      0.96   0.05    0.40  4.95  66.8 GIF
   20220702 05:40:00  HIMAWARI   NearIR   25.50 -129.20  40.0    24.88 -130.36     1.16      3.27   0.05    0.21  1.45  43.3 GIF
   20220702 06:10:00  HIMAWARI      Vis   25.53 -129.19  40.0    25.28 -129.86     0.30      0.84   0.40    0.45  5.66  68.8 GIF
   20220702 11:40:00  HIMAWARI       IR   26.40 -128.40  45.0    26.75 -129.60     0.76      2.15   0.45    0.43  2.21  81.2 GIF
   20220702 12:20:00  HIMAWARI   NearIR   26.39 -128.35  45.0    26.64 -129.41     0.91      2.57   0.05    0.26  1.85  55.3 GIF
   20220702 17:50:00  HIMAWARI   NearIR   27.05 -127.25  45.0    27.80 -127.25     0.92      2.61   0.05    0.25  1.81  60.4 GIF
   20220702 18:10:00  HIMAWARI       IR   27.04 -127.24  45.0    27.61 -127.07     3.36      9.49   0.50    0.09  0.50  42.7 GIF
   20220702 20:50:00  HIMAWARI   NearIR   26.92 -127.05  45.0    27.62 -127.13     1.73      4.90   0.10    0.15  0.97  13.1 GIF
   20220702 23:40:00  HIMAWARI   NearIR   27.35 -127.00  40.0    27.75 -127.11     0.64      1.80   0.25    0.35  2.63  43.3 GIF
   20220703 00:20:00  HIMAWARI      Vis   27.39 -126.98  40.0    27.69 -126.90     0.42      1.19   0.05    0.33  3.99  72.0 GIF
   20000120        X        IR    27.72  -126.77   40.00  10.8   -126.63   -1.00     1.66      0.50    N/A    2.85 48.60   0.0 GIF
   20220703 05:20:00  HIMAWARI   NearIR   27.78 -126.73  40.0    28.00 -126.73     0.86      2.44   0.40    0.27  1.95  34.2 GIF
   20220703 05:40:00  HIMAWARI       IR   28.20 -127.00  35.0    28.32 -126.72     0.60      1.70   0.50    0.49  2.79  49.9 GIF
   20220703 06:20:00  HIMAWARI       IR   28.16 -126.98  35.0    28.36 -126.61     0.83      2.35   0.45    0.41  2.02  42.7 GIF
   20220703 11:50:00  HIMAWARI   NearIR   28.35 -126.55  35.0    28.48 -126.41     0.28      0.80   0.30    0.73  5.94  55.6 GIF
   20220703 12:20:00  HIMAWARI   NearIR   28.38 -126.57  35.0    28.48 -126.48     0.35      0.98   0.10    0.60  4.85  48.5 GIF
   20220703 17:40:00  HIMAWARI   NearIR   29.05 -126.30  35.0    29.18 -126.70     1.05      2.96   0.50    0.23  1.60  49.9 GIF
   20220703 18:10:00  HIMAWARI   NearIR   29.04 -126.33  35.0    29.34 -126.75     2.54      7.19   0.45    0.12  0.66  47.3 GIF
   20220703 23:40:00  HIMAWARI   NearIR   29.55 -127.05  35.0    30.35 -126.48     3.01      8.51   0.50    0.11  0.56   8.9 GIF
   20220704 00:10:00  HIMAWARI       IR   29.55 -127.03  35.0    30.47 -126.63     3.36      9.49   0.50    0.12  0.50  15.4 GIF
   20220704 05:40:00  HIMAWARI       IR   30.30 -127.30  35.0    29.90 -127.76     3.36      9.49   0.10    0.19  0.50  60.5 GIF
   20220704 06:10:00  HIMAWARI   NearIR   30.30 -127.29  35.0    29.85 -128.24     1.14      3.23   0.05    0.21  1.47  49.5 GIF
   20220704 11:40:00  HIMAWARI   NearIR   31.50 -128.20  35.0    32.20 -127.76     1.32      3.72   0.05    0.19  1.28  44.5 GIF
   20220704 12:10:00  HIMAWARI   NearIR   31.50 -128.19  35.0    32.50 -127.72     3.02      8.53   0.05    0.11  0.56  11.6 GIF
   20220704 17:40:00  HIMAWARI   NearIR   32.25 -129.25  35.0    32.58 -128.51     2.01      5.68   0.10    0.14  0.83  30.0 GIF
   20220704 18:10:00  HIMAWARI       IR   32.27 -129.21  35.0    32.17 -128.09     3.36      9.49   0.30    0.04  0.50   5.1 GIF
   20220704 19:50:21    GOES16       IR   32.45 -128.88  35.0    32.50 -128.91     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220704 20:20:21    GOES16       IR   32.51 -128.82  35.0    32.56 -128.85     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220704 20:50:21    GOES16       IR   32.56 -128.76  35.0    32.61 -128.79     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220704 21:20:21    GOES16       IR   32.61 -128.72  35.0    32.66 -128.75     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220704 23:40:00  HIMAWARI   NearIR   33.10 -130.30  35.0    33.73 -130.18     1.12      3.17   0.05    0.21  1.49  49.7 GIF
   20220705 00:10:00  HIMAWARI   NearIR   33.10 -130.27  35.0    33.80 -129.68     2.76      7.79   0.05    0.11  0.61  12.2 GIF
   20220705 00:40:00  HIMAWARI       IR   33.11 -130.21  35.0    33.86 -128.92     0.85      2.41   0.25    0.41  1.97  60.9 GIF
   20220705 01:10:00  HIMAWARI   NearIR   33.12 -130.15  35.0    34.14 -129.11     1.48      4.17   0.05    0.17  1.14  38.9 GIF
   20220705 01:40:00  HIMAWARI       IR   33.13 -130.11  35.0    34.08 -128.29     0.56      1.57   0.05    0.51  3.01  72.1 GIF
   20220705 02:10:00  HIMAWARI       IR   33.14 -130.09  35.0    33.99 -128.48     0.32      0.90   0.10    0.74  5.25  92.6 GIF
   20220705 02:30:00  HIMAWARI       IR   33.14 -130.08  35.0    33.94 -128.61     0.58      1.65   0.10    0.50  2.87  79.9 GIF
   20220705 03:10:00  HIMAWARI   NearIR   33.15 -130.07  35.0    33.85 -128.94     2.45      6.92   0.10    0.12  0.69  42.3 GIF
   20220705 03:40:00  HIMAWARI       IR   33.16 -130.08  35.0    34.04 -128.83     0.68      1.93   0.05    0.46  2.46  74.8 GIF
   20220705 04:10:00  HIMAWARI   NearIR   33.17 -130.10  35.0    34.14 -130.13     1.54      4.37   0.05    0.17  1.09  47.2 GIF
   20220705 04:40:00  HIMAWARI       IR   33.18 -130.13  35.0    33.83 -128.73     0.36      1.03   0.05    0.67  4.60  98.2 GIF
   20220705 05:10:00  HIMAWARI   NearIR   33.19 -130.17  35.0    33.84 -129.49     0.58      1.65   0.05    0.37  2.88  62.6 GIF
   20220705 05:40:00  HIMAWARI   NearIR   33.19 -130.22  35.0    33.59 -130.16     1.10      3.11   0.05    0.22  1.53  48.8 GIF
   20220705 06:10:00  HIMAWARI   NearIR   33.20 -130.28  35.0    33.58 -129.72     2.12      5.99   0.05    0.13  0.79  40.9 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