Tropical Storm 12U


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    .
   20200402 07:50:00  HIMAWARI   NearIR   -9.92 -157.05  35.0   -10.20 -157.00     0.49      1.39   0.05    0.44  3.41 100.0 GIF
   20200402 08:20:00  HIMAWARI   NearIR   -9.96 -157.12  35.0   -10.31 -156.46     0.17      0.47   0.05    1.21 10.09 100.0 GIF
   20200402 08:50:00  HIMAWARI       IR   -9.99 -157.19  35.0   -10.94 -157.59     0.61      1.72   0.05    0.49  2.77  77.0 GIF
   20200402 09:20:00  HIMAWARI       IR  -10.02 -157.25  35.0   -10.50 -157.38     0.54      1.53   0.05    0.52  3.09  79.5 GIF
   20200402 09:50:00  HIMAWARI   NearIR  -10.06 -157.32  35.0   -10.21 -157.98     0.93      2.62   0.05    0.25  1.81  98.1 GIF
   20200402 10:20:00  HIMAWARI   NearIR  -10.09 -157.38  35.0   -10.61 -158.27     0.33      0.92   0.05    0.64  5.15 100.0 GIF
   20200402 10:50:00  HIMAWARI   NearIR  -10.12 -157.45  35.0   -10.55 -158.41     0.27      0.78   0.05    0.75  6.12 100.0 GIF
   20200402 11:20:00  HIMAWARI       IR  -10.16 -157.51  35.0   -10.68 -158.45     0.27      0.77   0.05    0.83  6.18 100.0 GIF
   20200402 11:40:00  HIMAWARI       IR  -10.18 -157.56  35.0   -10.78 -158.55     0.28      0.80   0.05    0.81  5.93  80.5 GIF
   20200402 12:10:00  HIMAWARI   NearIR  -10.21 -157.62  35.0   -11.21 -157.98     0.84      2.38   0.05    0.27  1.99 100.0 GIF
   20200402 12:50:00  HIMAWARI   NearIR  -10.26 -157.71  35.0   -10.86 -158.62     0.78      2.20   0.05    0.29  2.16 100.0 GIF
   20200402 13:20:00  HIMAWARI   NearIR  -10.29 -157.77  35.0   -10.96 -158.71     1.04      2.95   0.05    0.23  1.61  93.8 GIF
   20200402 13:50:00  HIMAWARI       IR  -10.05 -158.07  35.0   -10.57 -158.13     0.68      1.93   0.05    0.46  2.46  47.9 GIF
   20200402 14:20:00  HIMAWARI   NearIR  -10.07 -158.16  35.0   -10.70 -158.18     0.65      1.84   0.05    0.34  2.57 100.0 GIF
   20200402 14:50:00  HIMAWARI   NearIR  -10.11 -158.24  35.0   -10.63 -158.87     0.16      0.45   0.05    1.26 10.54 100.0 GIF
   20200402 15:20:00  HIMAWARI   NearIR  -10.14 -158.32  35.0   -10.49 -158.25     0.80      2.27   0.35    0.28  2.09  33.9 GIF
   20200402 15:50:00  HIMAWARI       IR  -10.18 -158.41  35.0   -10.66 -158.41     0.37      1.05   0.05    0.67  4.54  54.6 GIF
   20200402 16:20:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  9.01   0.0 GIF
   20200402 16:50:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  8.61   0.0 GIF
   20200402 17:20:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  8.21   0.0 GIF
   20200402 17:40:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  7.93   0.0 GIF
   20200402 18:10:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  7.53   0.0 GIF
   20200402 18:50:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  7.01   0.0 GIF
   20200402 19:20:00  HIMAWARI   NearIR  -10.55 -159.05  35.0    -9.83 -159.55     0.13      0.36   0.05    1.57 13.27 100.0 GIF
   20200402 19:50:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  6.29   0.0 GIF
   20200402 20:20:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  5.96   0.0 GIF
   20200402 20:50:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  5.65   0.0 GIF
   20200402 21:20:00  HIMAWARI      Vis  -10.26 -159.48  35.0   -10.46 -159.83     0.24      0.67   0.10    0.55  7.12  58.7 GIF
   20200402 21:50:00  HIMAWARI      Vis  -10.29 -159.57  35.0   -10.47 -159.85     0.17      0.48   0.25    0.75  9.95  77.5 GIF
   20200402 22:20:00  HIMAWARI      Vis  -10.33 -159.66  35.0   -10.53 -159.92     0.16      0.45   0.25    0.79 10.57  74.9 GIF
   20200402 22:50:00  HIMAWARI      Vis  -10.38 -159.76  35.0   -10.58 -159.91     0.20      0.55   0.05    0.65  8.58  81.2 GIF
   20200402 23:20:00  HIMAWARI      Vis  -10.43 -159.86  35.0   -10.68 -159.86     0.28      0.79   0.15    0.47  5.99  60.8 GIF
   20200402 23:40:00  HIMAWARI       IR  -10.46 -159.93  35.0   -11.06 -160.34     0.31      0.87   0.05    0.76  5.44  97.7 GIF
   20200403 00:10:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  4.03   0.0 GIF
   20200403 00:40:00  HIMAWARI      Vis  -10.58 -160.14  35.0   -10.95 -160.34     0.16      0.44   0.10    0.81 10.80  59.4 GIF
   20200403 01:10:00  HIMAWARI      Vis  -10.64 -160.24  35.0   -10.96 -160.27     0.13      0.37   0.15    0.96 12.98  61.0 GIF
   20200403 01:50:00     AMSR2 85-92GHz  -10.11 -158.24  35.0   -79.91  -38.13     0.17      0.48    N/A    2.20  3.46   0.0 GIF
   20200403 02:20:00  HIMAWARI      Vis  -10.80 -161.14  35.0   -11.12 -161.14     0.29      0.82   0.45    0.46  5.79  47.2 GIF
   20200403 02:50:00  HIMAWARI      Vis  -10.86 -161.22  35.0   -11.08 -161.09     0.16      0.44   0.30    0.80 10.71  56.1 GIF
   20200403 03:20:00  HIMAWARI      Vis  -10.92 -161.29  35.0   -11.14 -161.22     0.20      0.56   0.05    0.65  8.50  54.6 GIF
   20200403 04:00:00  HIMAWARI      Vis  -11.01 -161.40  35.0   -11.18 -161.19     0.13      0.36   0.10    0.98 13.33  62.5 GIF
   20200403 04:30:00  HIMAWARI      Vis  -11.08 -161.47  35.0   -11.35 -161.37     0.16      0.46   0.10    0.77 10.33  48.5 GIF
   20200403 05:00:00  HIMAWARI      Vis  -11.15 -161.55  35.0   -11.45 -161.47     0.13      0.37   0.35    0.95 12.91  50.9 GIF
   20200403 05:20:00  HIMAWARI       IR  -11.20 -161.60  35.0   -11.85 -161.62     0.12      0.35   0.05    1.58 13.58  54.4 GIF
   20200403 05:40:00  HIMAWARI       IR  -11.25 -161.65  35.0   -11.90 -161.60     0.12      0.35   0.10    1.58 13.57  48.5 GIF
   20200403 06:10:00  HIMAWARI       IR  -11.33 -161.73  35.0   -11.95 -161.70     0.14      0.40   0.05    1.42 11.93  49.0 GIF
   20200403 06:40:00  HIMAWARI       IR  -11.40 -161.80  35.0   -11.98 -161.67     0.16      0.46   0.10    1.24 10.21  53.4 GIF
   20200403 07:10:00  HIMAWARI   NearIR  -11.48 -161.88  35.0   -11.68 -161.21     0.33      0.93   0.05    0.63  5.11 100.0 GIF
   20200403 08:00:00  HIMAWARI   NearIR  -11.61 -162.00  35.0   -12.16 -161.62     0.22      0.62   0.05    0.93  7.68 100.0 GIF
   20200403 08:30:00     AMSR2 85-92GHz  -10.89 -161.26  35.0   -80.12  -42.54     0.31      0.87    N/A    0.86  4.03   0.0 GIF
   20200403 09:00:00     AMSR2 85-92GHz  -10.89 -161.26  35.0   -80.12  -42.54     0.31      0.87    N/A    0.86  3.89   0.0 GIF
   20200403 09:30:00  HIMAWARI   NearIR  -11.84 -162.23  35.0   -12.01 -161.44     0.43      1.22   0.05    0.49  3.89 100.0 GIF
   20200403 10:00:00  HIMAWARI   NearIR  -11.91 -162.31  35.0   -13.04 -162.77     0.17      0.49   0.05    1.16  9.69 100.0 GIF
   20200403 10:30:00  HIMAWARI       IR  -11.99 -162.38  35.0   -12.84 -162.76     0.20      0.57   0.05    1.06  8.38  82.7 GIF
   20200403 11:00:00  HIMAWARI       IR  -12.06 -162.45  35.0   -12.89 -162.76     0.20      0.55   0.15    1.08  8.58 100.0 GIF
   20200403 13:00:00  HIMAWARI       IR  -12.33 -162.74  35.0   -12.93 -163.18     0.28      0.79   0.05    0.81  5.98  98.2 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