Tropical Storm 31Y_01


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    .
   20220409 05:50:00  HIMAWARI      Vis   10.40 -127.05  30.0    10.70 -126.77     0.29      0.82   0.05    0.46  5.76  65.1 GIF
   20220409 06:20:00  HIMAWARI      Vis   10.41 -127.05  30.0    10.51 -127.00     0.26      0.74   0.15    0.50  6.45  67.6 GIF
   20220409 06:50:00  HIMAWARI      Vis   10.41 -127.05  30.0    10.51 -126.87     0.28      0.79   0.15    0.47  5.97  65.0 GIF
   20220409 07:20:00  HIMAWARI   NearIR   10.42 -127.05  30.0    10.55 -126.82     2.63      7.44   0.10    0.12  0.64  30.9 GIF
   20220409 09:50:00  HIMAWARI   NearIR   10.45 -127.05  30.0    10.50 -127.08     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220409 11:50:00  HIMAWARI   NearIR   10.40 -126.50  30.0     9.45 -127.47     0.90      2.54   0.05    0.26  1.87  73.0 GIF
   20220409 12:10:00  HIMAWARI   NearIR   10.39 -126.51  30.0    10.67 -125.88     0.39      1.09   0.05    0.54  4.35 100.0 GIF
   20220409 12:50:00  HIMAWARI       IR   10.38 -126.56  30.0     9.40 -126.74     0.52      1.46   0.05    0.54  3.25  98.5 GIF
   20220409 13:20:00  HIMAWARI   NearIR   10.36 -126.59  30.0    10.86 -126.90     1.13      3.19   0.05    0.21  1.49  65.3 GIF
   20220409 17:50:00  HIMAWARI   NearIR   11.00 -126.00  30.0    10.55 -125.90     0.24      0.68   0.05    0.85  6.97 100.0 GIF
   20220409 18:10:00  HIMAWARI   NearIR   11.00 -126.00  30.0    10.57 -125.62     0.10      0.28   0.05    2.00 16.99 100.0 GIF
   20220409 18:50:00  HIMAWARI       IR   11.00 -126.00  30.0    10.75 -127.14     0.48      1.36   0.05    0.56  3.49  84.4 GIF
   20220409 19:20:00  HIMAWARI   NearIR   10.99 -125.99  30.0    10.54 -125.59     0.15      0.43   0.05    1.33 11.13 100.0 GIF
   20220409 21:20:00  HIMAWARI       IR   10.99 -125.99  30.0    11.04 -126.02     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220409 23:50:00  HIMAWARI      Vis   10.50 -125.55  30.0    10.60 -125.86     0.41      1.15   0.10    0.34  4.13  49.6 GIF
   20220410 00:20:00  HIMAWARI      Vis   10.46 -125.50  30.0    10.68 -125.89     1.15      3.25   0.05    0.16  1.46  46.1 GIF
   20220410 00:50:00  HIMAWARI       IR   10.40 -125.44  30.0     9.15 -126.74     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220410 01:20:00  HIMAWARI      Vis   10.36 -125.39  30.0    10.46 -126.05     0.31      0.88   0.25    0.43  5.37  65.0 GIF
   20220410 05:40:00  HIMAWARI      Vis   10.50 -125.50  35.0    10.43 -126.01     0.38      1.07   0.10    0.36  4.42  60.1 GIF
   20220410 06:10:00  HIMAWARI      Vis   10.48 -125.50  35.0    10.33 -125.86     0.27      0.77   0.30    0.48  6.15  68.4 GIF
   20220410 06:50:00  HIMAWARI      Vis   10.40 -125.50  35.0    10.37 -125.81     0.23      0.66   0.05    0.56  7.23  65.7 GIF
   20220410 07:20:00  HIMAWARI   NearIR   10.35 -125.50  35.0     9.65 -126.03     0.93      2.62   0.05    0.25  1.81  48.9 GIF
   20220410 11:40:00  HIMAWARI   NearIR   10.40 -125.25  35.0    10.85 -125.10     0.30      0.84   0.05    0.69  5.62 100.0 GIF
   20220410 12:20:00  HIMAWARI   NearIR   10.37 -125.23  35.0    10.89 -124.74     0.53      1.50   0.05    0.41  3.16  99.5 GIF
   20220410 12:50:00  HIMAWARI       IR   10.32 -125.19  35.0    10.37 -126.67     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220410 13:20:00  HIMAWARI       IR   10.28 -125.16  35.0    11.11 -125.37     3.36      9.49   0.05    0.19  0.50  56.4 GIF
   20220410 17:40:00  HIMAWARI   NearIR   10.55 -125.00  35.0    10.50 -124.59     0.19      0.53   0.05    1.08  9.02 100.0 GIF
   20220410 18:20:00  HIMAWARI       IR   10.58 -124.99  35.0     9.58 -125.04     3.36      9.49   0.05    0.09  0.50  47.5 GIF
   20220410 18:50:00  HIMAWARI       IR   10.62 -124.97  35.0    10.67 -126.57     0.28      0.78   0.15    0.82  6.06 100.0 GIF
   20220410 19:20:00  HIMAWARI   NearIR   10.65 -124.95  35.0    10.48 -124.70     0.28      0.79   0.05    0.73  6.00 100.0 GIF
   20220410 20:50:00  HIMAWARI       IR   10.75 -124.90  35.0    11.77 -126.50     0.00      0.00    N/A    0.00  0.00   0.0 GIF
   20220410 23:50:00  HIMAWARI       IR   10.50 -124.55  35.0     9.55 -123.28     0.29      0.81   0.05    0.80  5.85  97.1 GIF
   20220411 00:20:00  HIMAWARI      Vis   10.52 -124.55  35.0    10.17 -124.55     0.30      0.85   0.25    0.44  5.59  73.2 GIF
   20220411 00:50:00  HIMAWARI      Vis   10.54 -124.54  35.0    10.19 -124.44     0.25      0.70   0.40    0.53  6.78  91.5 GIF
   20220411 01:20:00  HIMAWARI      Vis   10.56 -124.54  35.0    10.11 -124.36     0.25      0.71   0.25    0.52  6.64  87.6 GIF
   20220411 01:50:00  HIMAWARI   NearIR   10.58 -124.53  35.0    10.48 -124.89     0.43      1.21   0.05    0.49  3.92  61.8 GIF
   20220411 05:50:00  HIMAWARI      Vis   11.05 -124.55  35.0    11.07 -124.86     0.44      1.24   0.05    0.32  3.82  67.1 GIF
   20220411 06:20:00  HIMAWARI      Vis   11.04 -124.56  35.0    11.19 -125.01     0.38      1.08   0.15    0.36  4.40  69.0 GIF
   20220411 06:50:00  HIMAWARI   NearIR   11.04 -124.56  35.0    12.04 -125.53     0.43      1.21   0.40    0.49  3.91  71.1 GIF
   20220411 07:20:00  HIMAWARI      Vis   11.03 -124.57  35.0    11.01 -125.03     0.64      1.82   0.05    0.24  2.61  61.0 GIF
   20220411 11:50:00  HIMAWARI       IR   11.00 -125.10  35.0    11.30 -125.38     3.36      9.49   0.15    0.25  0.50  63.5 GIF
   20220411 12:20:00  HIMAWARI   NearIR   11.00 -125.10  35.0     9.90 -125.51     0.62      1.75   0.05    0.36  2.72  76.3 GIF
   20220411 12:50:00  HIMAWARI   NearIR   11.01 -125.10  35.0     9.74 -124.72     0.91      2.57   0.05    0.26  1.85  67.1 GIF
   20220411 13:10:00  HIMAWARI   NearIR   11.02 -125.10  35.0    11.74 -125.41     1.15      3.25   0.05    0.21  1.46  58.2 GIF
   20220411 17:40:00  HIMAWARI   NearIR   11.00 -125.35  35.0     9.38 -125.81     0.37      1.05   0.05    0.56  4.52  97.6 GIF
   20220411 18:10:00  HIMAWARI   NearIR   10.99 -125.35  35.0    11.06 -125.58     0.78      2.21   0.05    0.29  2.15  82.8 GIF
   20220411 18:50:00  HIMAWARI       IR   10.94 -125.33  35.0    12.59 -125.79     0.86      2.43   0.20    0.41  1.95  74.9 GIF
   20220411 19:20:00  HIMAWARI   NearIR   10.90 -125.33  35.0    11.30 -124.03     0.42      1.19   0.05    0.50  4.00 100.0 GIF
   20220411 23:40:00  HIMAWARI   NearIR   11.20 -125.20  35.0    12.38 -125.58     0.62      1.75   0.30    0.36  2.72  60.1 GIF
   20220412 00:20:00  HIMAWARI      Vis   11.20 -125.15  35.0    11.00 -125.25     0.67      1.89   0.05    0.23  2.51  50.3 GIF
   20220412 00:50:00  HIMAWARI      Vis   11.19 -125.08  35.0    10.97 -125.24     0.68      1.92   0.50    0.23  2.47  53.4 GIF
   20220412 01:20:00  HIMAWARI      Vis   11.19 -125.02  35.0    10.79 -125.33     0.67      1.89   0.40    0.23  2.51  52.4 GIF
   20220412 05:50:00  HIMAWARI      Vis   11.30 -125.35  35.0    11.25 -126.01     0.57      1.61   0.05    0.26  2.95  61.3 GIF
   20220412 06:10:00  HIMAWARI      Vis   11.30 -125.37  35.0    11.25 -125.93     0.30      0.85   0.15    0.44  5.58  70.1 GIF
   20220412 06:50:00  HIMAWARI      Vis   11.30 -125.43  35.0    11.30 -126.00     0.20      0.57   0.05    0.63  8.32  89.9 GIF
   20220412 07:20:00  HIMAWARI       IR   11.30 -125.48  35.0    11.60 -127.06     3.12      8.83   0.10    0.26  0.54  55.8 GIF
   20220412 07:50:00  HIMAWARI   NearIR   11.30 -125.52  35.0    11.40 -126.85     0.27      0.76   0.05    0.76  6.23  87.3 GIF
   20220412 08:20:00  HIMAWARI       IR   11.30 -125.56  35.0    11.57 -126.63     0.65      1.83   0.05    0.47  2.59  79.8 GIF
   20220412 08:50:00  HIMAWARI       IR   11.30 -125.60  35.0    11.70 -126.37     0.38      1.07   0.05    0.66  4.42  98.6 GIF
   20220412 09:20:00  HIMAWARI       IR   11.30 -125.64  35.0    11.55 -126.83     0.34      0.95   0.05    0.71  4.98  99.4 GIF
   20220412 09:50:00  HIMAWARI       IR   11.30 -125.67  35.0    11.53 -126.64     0.59      1.67   0.05    0.50  2.83  82.9 GIF
   20220412 10:20:00  HIMAWARI   NearIR   11.30 -125.70  35.0    10.30 -126.57     0.50      1.41   0.25    0.43  3.37  66.7 GIF
   20220412 10:50:00  HIMAWARI   NearIR   11.31 -125.73  35.0    10.31 -126.31     0.57      1.61   0.05    0.38  2.94  68.8 GIF
   20220412 11:20:00  HIMAWARI   NearIR   11.31 -125.75  35.0    10.78 -126.37     1.19      3.38   0.10    0.20  1.41  52.3 GIF
   20220412 11:50:00  HIMAWARI       IR   11.31 -125.78  35.0    10.66 -126.77     3.36      9.49   0.05    0.10  0.50  30.6 GIF
   20220412 12:20:00  HIMAWARI       IR   11.31 -125.80  35.0    10.64 -126.29     3.36      9.49   0.05    0.16  0.50  45.1 GIF
   20220412 12:50:00  HIMAWARI   NearIR   11.32 -125.83  35.0    10.74 -126.80     0.68      1.92   0.05    0.33  2.47  67.1 GIF
   20220412 13:20:00  HIMAWARI   NearIR   11.32 -125.85  35.0     9.79 -125.92     0.69      1.96   0.05    0.32  2.42  70.1 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