Tropical Depression 01E


ARCHER-V2.8 Auto-positioning Information
Advanced Dvorak Technique (ADT)
Version 8.3.1
 

                                         -------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    .
   20170509 21:45:00    GOES13       IR    9.33   91.35  30.0     8.26   92.44     3.36      9.49   0.20    0.17  0.50  42.0 GIF
   20170509 23:15:00    GOES13   NearIR    9.39   91.44  30.0     7.97   91.24     3.22      9.10   0.10    0.10  0.52  12.3 GIF
   20170510 00:15:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.44   91.51     0.29      0.83    N/A    0.94  5.69   0.0 GIF
   20170510 00:45:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.42   92.15     0.29      0.83    N/A    0.94  5.60   0.0 GIF
   20170510 02:15:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.47   92.25     0.29      0.83    N/A    0.94  5.19   0.0 GIF
   20170510 02:45:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.49   92.28     0.29      0.83    N/A    0.94  5.03   0.0 GIF
   20170510 03:45:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.52   92.36     0.29      0.83    N/A    0.94  4.70   0.0 GIF
   20170510 04:45:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.54   92.45     0.29      0.83    N/A    0.94  4.38   0.0 GIF
   20170510 05:45:00    GOES13   NearIR    9.59   92.53  35.0     8.81   94.07     0.34      0.97   0.25    0.61  4.91  67.4 GIF
   20170510 06:45:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.84   92.55     0.29      0.83    N/A    0.94  3.77   0.0 GIF
   20170510 07:45:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.89   92.63     0.29      0.83    N/A    0.94  3.49   0.0 GIF
   20170510 08:45:00    SSMI18 85-92GHz    9.43   91.49  30.0     9.98   92.68     0.29      0.83    N/A    0.94  3.24   0.0 GIF
   20170510 09:45:00    GOES13       IR   10.05   92.76  35.0     8.48   93.52     0.49      1.38   0.10    0.56  3.44  71.1 GIF
   20170510 10:45:00    SSMI15 85-92GHz   10.01   92.71  35.0    10.12   92.85     0.47      1.33    N/A    0.29  3.45   0.0 GIF
   20170510 11:45:00    SSMI15 85-92GHz   10.01   92.71  35.0    10.20   92.95     0.47      1.33    N/A    0.29  3.33   0.0 GIF
   20170510 12:45:00    SSMI15 85-92GHz   10.01   92.71  35.0    10.19   92.55     0.47      1.33    N/A    0.29  3.18   0.0 GIF
   20170510 13:45:00    SSMI18 85-92GHz   10.17   92.54  40.0    10.29   92.62     0.27      0.77    N/A    1.08  5.94   0.0 GIF
   20170510 14:45:00    SSMI18 85-92GHz   10.17   92.54  40.0    10.38   92.69     0.27      0.77    N/A    1.08  5.61   0.0 GIF
   20170510 15:45:00    SSMI18 85-92GHz   10.17   92.54  40.0    10.46   92.75     0.27      0.77    N/A    1.08  5.24   0.0 GIF
   20170510 16:45:00    GOES13      Vis   10.52   92.80  40.0     9.59   92.72     0.23      0.64   0.40    0.57  7.36  65.8 GIF
   20170510 17:45:00    SSMI18 85-92GHz   10.17   92.54  40.0    10.57   92.86     0.27      0.77    N/A    1.08  4.50   0.0 GIF
   20170510 18:45:00       GMI    37GHz   10.44   92.63  35.0    10.46   92.64     0.27      0.75    N/A    1.13  6.32   0.0 GIF
   20170510 19:45:00       GMI    37GHz   10.44   92.63  35.0    10.44   92.64     0.27      0.75    N/A    1.13  6.09   0.0 GIF
   20170510 20:45:00       GMI    37GHz   10.44   92.63  35.0    10.49   92.69     0.27      0.75    N/A    1.13  5.74   0.0 GIF
   20170510 21:45:00       GMI    37GHz   10.44   92.63  35.0    10.54   92.75     0.27      0.75    N/A    1.13  5.36   0.0 GIF
   20170510 22:45:00       GMI    37GHz   10.44   92.63  35.0    10.61   92.83     0.27      0.75    N/A    1.13  4.97   0.0 GIF
   20170511 00:15:00       GMI    37GHz   10.44   92.63  35.0    10.72   92.96     0.27      0.75    N/A    1.13  4.41   0.0 GIF
   20170511 00:45:00       GMI    37GHz   10.44   92.63  35.0    10.41   92.94     0.27      0.75    N/A    1.13  4.23   0.0 GIF
   20170511 01:45:00       GMI    37GHz   10.44   92.63  35.0    10.45   93.01     0.27      0.75    N/A    1.13  3.90   0.0 GIF
   20170511 02:45:00       GMI    37GHz   10.44   92.63  35.0    10.49   93.08     0.27      0.75    N/A    1.13  3.60   0.0 GIF
   20170511 03:45:00       GMI    37GHz   10.44   92.63  35.0    10.54   93.16     0.27      0.75    N/A    1.13  3.33   0.0 GIF
   20170511 04:45:00       GMI    37GHz   10.44   92.63  35.0    10.59   93.24     0.27      0.75    N/A    1.13  3.08   0.0 GIF
   20170511 05:45:00       GMI    37GHz   10.44   92.63  35.0    10.66   93.33     0.27      0.75    N/A    1.13  2.86   0.0 GIF
   20170511 06:45:00       GMI    37GHz   10.44   92.63  35.0    10.76   93.34     0.27      0.75    N/A    1.13  2.66   0.0 GIF
   20170511 07:45:00       GMI    37GHz   10.44   92.63  35.0    10.82   93.41     0.27      0.75    N/A    1.13  2.48   0.0 GIF
   20170511 08:45:00    GOES13       IR   10.89   93.48  25.0    10.59   94.04     0.69      1.96   0.30    0.45  2.42  65.7 GIF
   20170511 09:45:00    SSMI15 85-92GHz   10.90   93.49  25.0    10.94   93.56     0.33      0.93    N/A    0.75  4.99   0.0 GIF
   20170511 10:45:00    SSMI15 85-92GHz   10.90   93.49  25.0    10.99   93.65     0.33      0.93    N/A    0.75  4.78   0.0 GIF
   20170511 11:45:00    SSMI15 85-92GHz   10.90   93.49  25.0    11.03   93.74     0.33      0.93    N/A    0.75  4.53   0.0 GIF
   20170511 12:45:00    SSMI15 85-92GHz   10.90   93.49  25.0    11.08   93.83     0.33      0.93    N/A    0.75  4.25   0.0 GIF
   20170511 13:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.22   93.71     0.24      0.68    N/A    1.32  6.60   0.0 GIF
   20170511 14:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.28   93.78     0.24      0.68    N/A    1.32  6.17   0.0 GIF
   20170511 15:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.34   93.85     0.24      0.68    N/A    1.32  5.72   0.0 GIF
   20170511 16:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.40   93.93     0.24      0.68    N/A    1.32  5.26   0.0 GIF
   20170511 17:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.45   94.00     0.24      0.68    N/A    1.32  4.83   0.0 GIF
   20170511 18:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.51   94.08     0.24      0.68    N/A    1.32  4.43   0.0 GIF
   20170511 19:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.56   94.16     0.24      0.68    N/A    1.32  4.07   0.0 GIF
   20170511 20:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.61   94.24     0.24      0.68    N/A    1.32  3.74   0.0 GIF
   20170511 21:45:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.67   94.32     0.24      0.68    N/A    1.32  3.45   0.0 GIF
   20170511 22:45:00    GOES13      Vis   11.73   94.40  25.0    11.63   95.26     0.44      1.24   0.35    0.32  3.83  43.9 GIF
   20170512 00:15:00    SSMI18 85-92GHz   11.13   93.63  25.0    11.80   94.53     0.24      0.68    N/A    1.32  2.83   0.0 GIF
   20170512 00:45:00    GOES13   NearIR   11.84   94.56  25.0    11.34   95.56     0.54      1.52   0.25    0.40  3.13  47.7 GIF
   20170512 01:45:00    SSMI17 85-92GHz   11.83   94.55  25.0    11.90   94.65     0.64      1.80    N/A    0.00  2.58   0.0 GIF
   20170512 02:45:00    SSMI18 85-92GHz   11.87   94.61  25.0    11.96   94.73     0.64      1.80    N/A    0.00  2.57   0.0 GIF
   20170512 03:45:00    SSMI18 85-92GHz   11.87   94.61  25.0    12.01   94.81     0.64      1.80    N/A    0.00  2.50   0.0 GIF
   20170512 04:45:00    SSMI18 85-92GHz   11.87   94.61  25.0    12.07   94.90     0.64      1.80    N/A    0.00  2.42   0.0 GIF
   20170512 05:45:00       GMI    37GHz   12.09   94.94  25.0    12.13   94.99     0.23      0.66    N/A    1.40  7.11   0.0 GIF
   20170512 06:45:00       GMI    37GHz   12.09   94.94  25.0    12.19   95.07     0.23      0.66    N/A    1.40  6.74   0.0 GIF
   20170512 07:45:00       GMI    37GHz   12.09   94.94  25.0    12.24   95.15     0.23      0.66    N/A    1.40  6.27   0.0 GIF
   20170512 08:45:00       GMI    37GHz   12.09   94.94  25.0    12.30   95.25     0.23      0.66    N/A    1.40  5.78   0.0 GIF
   20170512 09:45:00       GMI    37GHz   12.09   94.94  25.0    12.36   95.33     0.23      0.66    N/A    1.40  5.31   0.0 GIF
   20170512 10:45:00       GMI    37GHz   12.09   94.94  25.0    12.42   95.41     0.23      0.66    N/A    1.40  4.86   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