Tropical Storm 01L


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    .
   20210522 09:20:17    GOES16       IR   34.20   62.22  40.0    33.67   62.37     3.36      9.49   0.20    0.18  0.50  49.5 GIF
   20210522 09:50:17    SSMI16 85-92GHz   34.20   62.20  40.0    33.90   62.30     0.32      0.91    N/A    0.78  5.10   0.0 GIF
   20210522 10:20:17    SSMI16 85-92GHz   34.20   62.20  40.0    33.90   62.33     0.32      0.91    N/A    0.78  5.00   0.0 GIF
   20210522 10:50:17    SSMI16 85-92GHz   34.20   62.20  40.0    33.90   62.35     0.32      0.91    N/A    0.78  4.88   0.0 GIF
   20210522 11:20:17    GOES16   NearIR   34.20   62.32  40.0    34.38   62.59     0.33      0.92   0.10    0.63  5.13  84.3 GIF
   20210522 11:50:17    GOES16       IR   34.20   62.35  40.0    34.40   62.65     0.27      0.76   0.05    0.84  6.28 100.0 GIF
   20210522 12:20:17    SSMI16 85-92GHz   34.20   62.20  40.0    33.90   62.43     0.32      0.91    N/A    0.78  4.48   0.0 GIF
   20210522 12:50:17    GOES16       IR   34.21   62.40  40.0    34.31   62.76     0.23      0.66   0.05    0.94  7.23 100.0 GIF
   20210522 13:20:17    SSMI16 85-92GHz   34.20   62.20  40.0    33.91   62.48     0.32      0.91    N/A    0.78  4.20   0.0 GIF
   20210522 13:50:17    GOES16      Vis   34.22   62.45  40.0    34.12   62.57     0.31      0.87   0.05    0.43  5.45  86.4 GIF
   20210522 14:20:17    GOES16      Vis   34.22   62.47  40.0    34.25   62.53     0.23      0.64   0.05    0.57  7.37  99.7 GIF
   20210522 14:50:17    GOES16      Vis   34.23   62.50  40.0    34.28   62.47     0.25      0.71   0.05    0.52  6.69  97.5 GIF
   20210522 15:20:17    GOES16      Vis   34.30   63.01  40.0    34.10   62.74     0.24      0.68   0.10    0.54  6.97  98.3 GIF
   20210522 15:50:17    GOES16      Vis   34.31   63.03  40.0    34.06   62.70     0.17      0.48   0.05    0.74  9.80 100.0 GIF
   20210522 16:20:17    GOES16      Vis   34.32   63.04  40.0    34.17   62.74     0.17      0.49   0.10    0.72  9.61 100.0 GIF
   20210522 16:50:17    GOES16      Vis   34.33   63.05  40.0    34.13   62.74     0.30      0.84   0.40    0.45  5.67  97.9 GIF
   20210522 17:20:17    GOES16   NearIR   34.35   63.05  40.0    34.15   62.39     0.46      1.30   0.15    0.46  3.64  66.1 GIF
   20210522 17:50:17    GOES16   NearIR   34.37   63.05  40.0    34.19   62.33     0.47      1.33   0.15    0.45  3.58  74.5 GIF
   20210522 18:20:17    SSMI16 85-92GHz   34.20   62.20  40.0    34.09   63.11     0.32      0.91    N/A    0.78  2.96   0.0 GIF
   20210522 18:50:17    GOES16      Vis   34.42   63.04  40.0    34.42   62.77     0.37      1.03   0.10    0.37  4.58  88.8 GIF
   20210522 19:20:17    GOES16   NearIR   34.45   63.03  40.0    34.32   62.18     0.57      1.61   0.10    0.38  2.95  63.7 GIF
   20210522 19:50:17    SSMI16 85-92GHz   34.20   62.20  40.0    34.17   63.08     0.32      0.91    N/A    0.78  2.67   0.0 GIF
   20210522 20:20:17    GOES16       IR   34.51   63.00  40.0    34.41   62.22     0.27      0.76   0.05    0.84  6.26  95.3 GIF
   20210522 20:50:17    SSMI16 85-92GHz   34.50   63.01  40.0    34.30   61.96     0.41      1.16    N/A    0.44  4.03   0.0 GIF
   20210522 21:20:17    SSMI16 85-92GHz   34.50   63.01  40.0    34.28   61.35     0.41      1.16    N/A    0.44  3.98   0.0 GIF
   20210522 21:50:17    SSMI16 85-92GHz   34.50   63.01  40.0    34.31   61.32     0.41      1.16    N/A    0.44  3.91   0.0 GIF
   20210522 22:20:16    GOES16   NearIR   34.58   62.31  35.0    34.48   61.98     0.38      1.06   0.10    0.56  4.48  76.6 GIF
   20210522 22:50:16    GOES16       IR   34.61   62.28  35.0    34.61   61.88     0.24      0.68   0.05    0.92  7.01 100.0 GIF
   20210522 23:20:16    SSMI18 85-92GHz   34.59   62.31  35.0    34.44   62.24     0.30      0.86    N/A    0.88  5.38   0.0 GIF
   20210522 23:50:16    SSMI18 85-92GHz   34.59   62.31  35.0    34.46   62.21     0.30      0.86    N/A    0.88  5.26   0.0 GIF
   20210523 00:20:16    GOES16   NearIR   34.68   62.17  35.0    34.70   61.74     0.23      0.66   0.10    0.87  7.22 100.0 GIF
   20210523 00:50:16    GOES16   NearIR   34.70   62.13  35.0    34.75   61.67     0.18      0.50   0.10    1.13  9.42 100.0 GIF
   20210523 01:20:16    GOES16   NearIR   34.72   62.09  35.0    34.79   61.60     0.29      0.82   0.10    0.71  5.76  98.2 GIF
   20210523 01:50:16    GOES16       IR   34.73   62.05  35.0    34.81   61.53     0.26      0.73   0.05    0.87  6.53 100.0 GIF
   20210523 02:20:16    SSMI17 85-92GHz   34.66   62.21  35.0    34.40   61.69     0.33      0.94    N/A    0.74  4.58   0.0 GIF
   20210523 02:50:16    SSMI17 85-92GHz   34.66   62.21  35.0    34.42   61.65     0.33      0.94    N/A    0.74  4.45   0.0 GIF
   20210523 03:20:16    GOES16       IR   35.03   61.36  40.0    34.73   61.30     0.35      0.98   0.05    0.70  4.83  94.5 GIF
   20210523 03:50:16    GOES16   NearIR   35.08   61.29  40.0    35.28   61.20     0.33      0.94   0.05    0.63  5.07  80.4 GIF
   20210523 04:20:16       GMI 85-92GHz   35.09   61.27  40.0    35.17   61.35     0.22      0.62    N/A    1.53  7.60   0.0 GIF
   20210523 04:50:16       GMI 85-92GHz   35.09   61.27  40.0    35.22   61.28     0.22      0.62    N/A    1.53  7.44   0.0 GIF
   20210523 05:20:17       GMI 85-92GHz   35.09   61.27  40.0    35.26   61.21     0.22      0.62    N/A    1.53  7.23   0.0 GIF
   20210523 05:50:17    GOES16   NearIR   35.25   61.03  40.0    35.33   61.12     0.19      0.53   0.05    1.08  8.96 100.0 GIF
   20210523 06:20:17    GOES16   NearIR   35.30   60.96  40.0    35.37   61.11     0.25      0.70   0.05    0.82  6.76 100.0 GIF
   20210523 06:50:17       GMI 85-92GHz   35.09   61.27  40.0    35.39   61.01     0.22      0.62    N/A    1.53  6.46   0.0 GIF
   20210523 07:20:17       GMI 85-92GHz   35.09   61.27  40.0    35.44   60.94     0.22      0.62    N/A    1.53  6.19   0.0 GIF
   20210523 07:50:17       GMI 85-92GHz   35.09   61.27  40.0    35.48   60.86     0.22      0.62    N/A    1.53  5.92   0.0 GIF
   20210523 08:20:17     AMSR2 85-92GHz   35.30   60.95  40.0    35.57   60.78     0.25      0.70    N/A    1.26  6.17   0.0 GIF
   20210523 08:50:16     AMSR2 85-92GHz   35.30   60.95  40.0    35.62   60.70     0.25      0.70    N/A    1.26  5.96   0.0 GIF
   20210523 09:20:16     AMSR2 85-92GHz   35.30   60.95  40.0    35.84   60.56     0.25      0.70    N/A    1.26  5.74   0.0 GIF
   20210523 09:50:16     AMSR2 85-92GHz   35.30   60.95  40.0    35.89   60.47     0.25      0.70    N/A    1.26  5.52   0.0 GIF
   20210523 10:20:16    SSMI15 85-92GHz   35.72   60.47  40.0    35.98   60.37     0.18      0.51    N/A    2.03  8.76   0.0 GIF
   20210523 10:50:16    SSMI15 85-92GHz   35.72   60.47  40.0    36.03   60.28     0.18      0.51    N/A    2.03  8.42   0.0 GIF
   20210523 11:20:16    SSMI15 85-92GHz   35.72   60.47  40.0    36.08   60.19     0.18      0.51    N/A    2.03  8.06   0.0 GIF
   20210523 11:50:16    SSMI15 85-92GHz   35.72   60.47  40.0    36.13   60.09     0.18      0.51    N/A    2.03  7.69   0.0 GIF
   20210523 12:20:20    SSMI15 85-92GHz   35.72   60.47  40.0    36.19   60.00     0.18      0.51    N/A    2.03  7.32   0.0 GIF
   20210523 12:50:20    SSMI15 85-92GHz   35.72   60.47  40.0    36.24   59.91     0.18      0.51    N/A    2.03  6.95   0.0 GIF
   20210523 13:10:20    SSMI15 85-92GHz   35.72   60.47  40.0    36.27   59.84     0.18      0.51    N/A    2.03  6.72   0.0 GIF
   20210523 13:50:20    GOES16      Vis   36.19   59.59  40.0    36.26   59.78     0.24      0.68   0.10    0.54  6.93  98.2 GIF
   20210523 14:20:20    GOES16      Vis   36.24   59.50  40.0    36.29   59.71     0.20      0.58   0.10    0.63  8.24  97.9 GIF
   20210523 14:40:20    GOES16      Vis   36.28   59.43  40.0    36.36   59.62     0.21      0.60   0.10    0.60  7.89  99.2 GIF
   20210523 15:10:20    GOES16       IR   36.63   59.35  35.0    36.33   59.35     0.20      0.58   0.05    1.04  8.23 100.0 GIF
   20210523 15:40:20    GOES16       IR   36.70   59.21  35.0    36.55   59.43     0.26      0.74   0.05    0.85  6.37  98.2 GIF
   20210523 16:20:20    SSMI18 85-92GHz   35.85   60.22  40.0    36.80   59.45     0.22      0.63    N/A    1.48  4.86   0.0 GIF
   20210523 16:50:20    GOES16      Vis   36.88   58.88  35.0    36.70   59.00     0.24      0.68   0.10    0.54  6.94  96.6 GIF
   20210523 17:20:20    GOES16      Vis   36.95   58.74  35.0    36.77   58.83     0.27      0.77   0.05    0.48  6.14  84.2 GIF
   20210523 17:40:20    GOES16      Vis   37.00   58.64  35.0    36.80   58.74     0.25      0.72   0.05    0.52  6.62  87.9 GIF
   20210523 18:10:20     AMSR2 85-92GHz   36.96   58.71  35.0    36.77   58.50     0.17      0.48    N/A    2.23  9.62   0.0 GIF
   20210523 18:40:20     AMSR2 85-92GHz   36.96   58.71  35.0    36.85   58.36     0.17      0.48    N/A    2.23  9.28   0.0 GIF
   20210523 19:10:20     AMSR2 85-92GHz   36.96   58.71  35.0    36.92   58.22     0.17      0.48    N/A    2.23  8.89   0.0 GIF
   20210523 19:40:20     AMSR2 85-92GHz   36.96   58.71  35.0    37.00   58.08     0.17      0.48    N/A    2.23  8.48   0.0 GIF
   20210523 20:20:20     AMSR2 85-92GHz   36.96   58.71  35.0    37.10   57.88     0.17      0.48    N/A    2.23  7.92   0.0 GIF
   20210523 20:40:20     AMSR2 85-92GHz   36.96   58.71  35.0    37.15   57.78     0.17      0.48    N/A    2.23  7.65   0.0 GIF
   20210523 21:20:20     AMSR2 85-92GHz   36.96   58.71  35.0    37.29   57.57     0.17      0.48    N/A    2.23  7.12   0.0 GIF
   20210523 21:40:20     AMSR2 85-92GHz   36.96   58.71  35.0    37.36   57.44     0.17      0.48    N/A    2.23  6.87   0.0 GIF
   20210523 22:10:20     AMSR2 85-92GHz   36.96   58.71  35.0    37.47   57.23     0.17      0.48    N/A    2.23  6.50   0.0 GIF
   20210523 22:40:20    SSMI16 85-92GHz   37.28   58.09  35.0    37.49   56.84     0.23      0.64    N/A    1.46  6.16   0.0 GIF
   20210523 23:20:20    SSMI16 85-92GHz   37.28   58.09  35.0    37.64   56.57     0.23      0.64    N/A    1.46  5.82   0.0 GIF
   20210523 23:40:20    SSMI16 85-92GHz   37.28   58.09  35.0    37.71   56.43     0.23      0.64    N/A    1.46  5.65   0.0 GIF
   20210524 00:10:20    SSMI16 85-92GHz   37.28   58.09  35.0    37.83   56.23     0.23      0.64    N/A    1.46  5.41   0.0 GIF
   20210524 00:50:20    SSMI16 85-92GHz   37.28   58.09  35.0    37.95   55.94     0.23      0.64    N/A    1.46  5.10   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