Tropical Storm 31Y_05


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    .
   20201010 01:20:00  HIMAWARI       IR   13.14 -114.03  30.0    14.41 -114.21     1.40      3.95   0.10    0.33  1.20  76.8 GIF
   20201010 02:00:00  HIMAWARI      Vis   13.12 -113.93  30.0    12.74 -114.22     0.27      0.75   0.40    0.50  6.32  81.3 GIF
   20201010 02:20:00  HIMAWARI   NearIR   13.12 -113.89  30.0    13.97 -114.19     2.94      8.30   0.10    0.11  0.57  40.5 GIF
   20201010 03:00:00  HIMAWARI      Vis   13.14 -113.79  30.0    12.79 -113.97     0.29      0.81   0.20    0.46  5.88  73.9 GIF
   20201010 03:30:00  HIMAWARI       IR   13.18 -113.71  30.0    12.00 -113.63     1.36      3.86   0.05    0.33  1.23  68.3 GIF
   20201010 04:00:00  HIMAWARI       IR   13.23 -113.63  30.0    11.93 -113.48     2.19      6.20   0.05    0.29  0.77  68.1 GIF
   20201010 04:30:00  HIMAWARI       IR   13.28 -113.55  30.0    13.01 -113.91     3.36      9.49   0.15    0.12  0.50  48.0 GIF
   20201010 05:00:00  HIMAWARI       IR   13.35 -113.47  30.0    12.32 -114.44     0.82      2.31   0.05    0.42  2.06  95.3 GIF
   20201010 05:30:00  HIMAWARI      Vis   13.42 -113.38  30.0    13.27 -113.64     0.33      0.94   0.45    0.41  5.04  58.4 GIF
   20201010 06:00:00  HIMAWARI   NearIR   13.50 -113.30  30.0    13.48 -113.66     0.39      1.10   0.50    0.54  4.33  66.4 GIF
   20201010 06:20:00  HIMAWARI      Vis   13.55 -113.24  30.0    13.55 -113.40     0.21      0.60   0.50    0.61  7.93  65.6 GIF
   20201010 07:00:00  HIMAWARI   NearIR   13.67 -113.13  30.0    13.59 -113.62     0.28      0.78   0.45    0.74  6.07  77.9 GIF
   20201010 07:30:00  HIMAWARI       IR   14.45 -113.09  30.0    13.77 -113.53     1.22      3.45   0.50    0.35  1.37  67.3 GIF
   20201010 08:00:00  HIMAWARI      Vis   14.47 -113.02  30.0    14.40 -112.81     0.45      1.26   0.10    0.32  3.77  47.8 GIF
   20201010 08:30:00  HIMAWARI   NearIR   14.49 -112.93  30.0    13.72 -113.03     1.32      3.74   0.15    0.19  1.27  47.3 GIF
   20201010 09:00:00  HIMAWARI   NearIR   14.51 -112.83  30.0    13.78 -112.85     0.90      2.53   0.05    0.26  1.87  50.0 GIF
   20201010 09:30:00    SSMI18 85-92GHz   14.51 -112.79  30.0   -80.15   55.07     0.42      1.18    N/A    0.43  4.03   0.0 GIF
   20201010 10:00:00    SSMI18 85-92GHz   14.51 -112.79  30.0   -80.15   55.07     0.42      1.18    N/A    0.43  3.98   0.0 GIF
   20201010 10:30:00  HIMAWARI   NearIR   14.52 -112.47  30.0    14.22 -111.95     0.19      0.55   0.05    1.04  8.66 100.0 GIF
   20201010 11:00:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  9.15   0.0 GIF
   20201010 11:30:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  8.92   0.0 GIF
   20201010 12:00:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  8.62   0.0 GIF
   20201010 12:30:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  8.28   0.0 GIF
   20201010 13:00:00  HIMAWARI   NearIR   14.49 -111.76  30.0    14.26 -110.88     0.14      0.40   0.05    1.43 12.01 100.0 GIF
   20201010 13:30:00  HIMAWARI   NearIR   14.34 -112.29  30.0    14.34 -111.15     0.20      0.57   0.05    1.01  8.36 100.0 GIF
   20201010 14:00:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  7.19   0.0 GIF
   20201010 14:20:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  6.95   0.0 GIF
   20201010 15:00:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  6.49   0.0 GIF
   20201010 15:30:00  HIMAWARI   NearIR   14.39 -111.93  30.0    14.34 -110.56     0.14      0.40   0.05    1.40 11.79 100.0 GIF
   20201010 16:00:00  HIMAWARI   NearIR   14.39 -111.80  30.0    14.67 -110.00     0.27      0.77   0.05    0.76  6.20 100.0 GIF
   20201010 16:30:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  5.55   0.0 GIF
   20201010 17:00:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  5.27   0.0 GIF
   20201010 17:30:00  HIMAWARI   NearIR   14.40 -111.36  30.0    14.00 -110.07     0.24      0.67   0.05    0.86  7.07 100.0 GIF
   20201010 18:00:00    SSMI15 85-92GHz   14.51 -112.41  30.0   -80.11   56.07     0.18      0.52    N/A    2.01  4.77   0.0 GIF
   20201010 18:30:00  HIMAWARI   NearIR   14.40 -111.04  30.0    14.45 -109.52     0.28      0.79   0.05    0.73  6.00 100.0 GIF
   20201010 18:50:00  HIMAWARI   NearIR   14.40 -110.93  30.0    14.33 -109.49     0.23      0.64   0.10    0.90  7.40 100.0 GIF
   20201010 19:30:00  HIMAWARI   NearIR   14.15 -110.81  35.0    13.85 -109.86     0.19      0.53   0.05    1.07  8.89 100.0 GIF
   20201010 20:00:00  HIMAWARI   NearIR   14.13 -110.72  35.0    14.03 -109.30     0.22      0.63   0.05    0.91  7.53 100.0 GIF
   20201010 20:30:00  HIMAWARI   NearIR   14.13 -110.62  35.0    14.28 -109.49     0.44      1.24   0.05    0.48  3.82 100.0 GIF
   20201010 20:50:00  HIMAWARI   NearIR   14.14 -110.56  35.0    14.26 -109.79     0.35      0.98   0.05    0.60  4.83 100.0 GIF
   20201010 21:30:00  HIMAWARI   NearIR   14.17 -110.44  35.0    14.77 -109.43     0.37      1.04   0.05    0.57  4.56 100.0 GIF
   20201010 22:00:00  HIMAWARI   NearIR   14.20 -110.35  35.0    14.47 -109.29     0.20      0.57   0.05    1.00  8.29 100.0 GIF
   20201010 22:30:00  HIMAWARI   NearIR   14.24 -110.26  35.0    14.14 -109.13     0.25      0.71   0.05    0.81  6.68 100.0 GIF
   20201010 23:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  4.89   0.0 GIF
   20201010 23:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  4.81   0.0 GIF
   20201011 00:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  4.71   0.0 GIF
   20201011 00:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  4.60   0.0 GIF
   20201011 01:00:00  HIMAWARI      Vis   14.52 -109.83  35.0    14.20 -110.22     0.25      0.70   0.15    0.53  6.80  49.6 GIF
   20201011 01:20:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  4.40   0.0 GIF
   20201011 02:00:00  HIMAWARI      Vis   14.33 -108.78  40.0    13.93 -109.79     0.16      0.46   0.20    0.78 10.39  63.2 GIF
   20201011 02:20:00  HIMAWARI      Vis   14.33 -108.72  40.0    14.01 -109.67     0.14      0.39   0.35    0.89 12.09  74.3 GIF
   20201011 03:00:00  HIMAWARI      Vis   14.35 -108.62  40.0    13.98 -109.29     0.19      0.54   0.40    0.66  8.72  68.9 GIF
   20201011 03:30:00  HIMAWARI      Vis   14.37 -108.55  40.0    14.10 -109.20     0.26      0.74   0.20    0.50  6.42  65.5 GIF
   20201011 04:00:00  HIMAWARI      Vis   14.40 -108.50  40.0    14.08 -108.99     0.26      0.72   0.10    0.51  6.55  67.9 GIF
   20201011 04:30:00  HIMAWARI      Vis   14.43 -108.45  40.0    14.13 -108.92     0.39      1.09   0.40    0.36  4.36  52.1 GIF
   20201011 05:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  3.48   0.0 GIF
   20201011 05:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  3.36   0.0 GIF
   20201011 06:00:00  HIMAWARI      Vis   14.55 -108.35  40.0    14.65 -108.81     0.42      1.17   0.15    0.34  4.04  65.6 GIF
   20201011 06:30:00  HIMAWARI      Vis   15.12 -108.19  35.0    15.04 -108.81     0.42      1.20   0.45    0.33  3.96  58.7 GIF
   20201011 07:00:00  HIMAWARI      Vis   15.13 -108.09  35.0    15.08 -108.48     0.33      0.93   0.40    0.41  5.13  57.8 GIF
   20201011 07:30:00  HIMAWARI      Vis   15.14 -107.99  35.0    15.07 -108.38     0.30      0.83   0.10    0.45  5.68  49.5 GIF
   20201011 07:50:00  HIMAWARI      Vis   15.15 -107.93  35.0    15.33 -108.32     0.47      1.33   0.45    0.31  3.57  47.4 GIF
   20201011 08:30:00  HIMAWARI       IR   15.16 -107.81  35.0    15.34 -109.16     0.44      1.24   0.05    0.60  3.82  73.7 GIF
   20201011 09:00:00  HIMAWARI   NearIR   15.17 -107.73  35.0    15.25 -108.92     0.57      1.61   0.10    0.38  2.94  49.0 GIF
   20201011 09:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  2.57   0.0 GIF
   20201011 09:50:00  HIMAWARI       IR   15.18 -107.60  35.0    15.36 -109.16     0.34      0.95   0.15    0.72  5.00  85.2 GIF
   20201011 10:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  2.41   0.0 GIF
   20201011 10:50:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  2.36   0.0 GIF
   20201011 11:20:00  HIMAWARI   NearIR   15.20 -107.39  35.0    14.77 -108.50     0.54      1.52   0.05    0.40  3.13  61.0 GIF
   20201011 12:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  2.19   0.0 GIF
   20201011 12:30:00  HIMAWARI   NearIR   15.20 -107.23  35.0    15.45 -107.93     0.73      2.07   0.20    0.31  2.29  67.2 GIF
   20201011 13:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  2.06   0.0 GIF
   20201011 13:20:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  2.02   0.0 GIF
   20201011 14:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.94   0.0 GIF
   20201011 14:20:00  HIMAWARI   NearIR   15.00 -107.42  35.0    14.72 -109.28     0.72      2.05   0.05    0.31  2.32  69.9 GIF
   20201011 15:00:00  HIMAWARI   NearIR   15.00 -107.37  35.0    15.20 -108.61     0.85      2.42   0.30    0.27  1.96  55.2 GIF
   20201011 15:20:00  HIMAWARI   NearIR   15.00 -107.34  35.0    15.05 -108.87     0.52      1.48   0.05    0.41  3.20  64.1 GIF
   20201011 16:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.73   0.0 GIF
   20201011 16:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.68   0.0 GIF
   20201011 17:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.64   0.0 GIF
   20201011 17:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.59   0.0 GIF
   20201011 18:00:00  HIMAWARI   NearIR   15.05 -107.10  35.0    15.03 -107.95     0.61      1.72   0.15    0.36  2.76  72.7 GIF
   20201011 18:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.51   0.0 GIF
   20201011 19:00:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.47   0.0 GIF
   20201011 19:30:00    SSMI18 85-92GHz   14.24 -110.26  35.0   -80.18   64.56     0.34      0.96    N/A    0.70  1.44   0.0 GIF
   20201011 20:00:00  HIMAWARI       IR   15.08 -106.88  35.0    15.88 -107.08     0.31      0.87   0.15    0.76  5.44 100.0 GIF
   20201011 20:30:00  HIMAWARI       IR   15.08 -106.82  35.0    15.83 -106.82     0.60      1.68   0.15    0.49  2.82  86.5 GIF
   20201011 21:00:00  HIMAWARI   NearIR   15.08 -106.75  35.0    15.81 -106.55     0.44      1.25   0.15    0.48  3.79  97.4 GIF
   20201011 21:30:00  HIMAWARI       IR   15.08 -106.69  35.0    15.78 -106.25     1.27      3.59   0.15    0.34  1.32  74.0 GIF
   20201011 22:00:00  HIMAWARI       IR   15.07 -106.62  35.0    15.65 -106.05     0.39      1.11   0.15    0.64  4.29 100.0 GIF
   20201011 22:30:00  HIMAWARI   NearIR   15.06 -106.56  35.0    15.56 -106.30     0.51      1.45   0.25    0.42  3.27  64.5 GIF
   20201011 23:00:00    SSMI16 85-92GHz   15.06 -106.55  35.0   -80.11   67.43     0.38      1.09    N/A    0.53  4.34   0.0 GIF
   20201011 23:20:00    SSMI16 85-92GHz   15.06 -106.55  35.0   -80.11   67.43     0.38      1.09    N/A    0.53  4.30   0.0 GIF
   20201012 00:00:00    SSMI16 85-92GHz   15.06 -106.55  35.0   -80.11   67.43     0.38      1.09    N/A    0.53  4.20   0.0 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