Tropical Depression 06L


Passive Microwave (PMW) Intensity Information
Advanced Dvorak Technique (ADT)
Version 8.2.1
 

         Overpass     Inten           Ring    Ring          Wind           Forecast        Final        Target  
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est   Sat    Lat    Lon    Lat    Lon    Lat    Lon              
     20160817 042617 -930.0      N/A   N/A     N/A    0.00  30.0  AMSR2  12.9   34.4   12.8   34.8   12.8   34.8 Analysis Plot     
     20160817 080138 -930.0      N/A   N/A     N/A    0.00  30.0    GMI  13.1   35.0   13.1   35.0   13.4   35.5 Analysis Plot     
     20160817 080156 -930.0      N/A   N/A     N/A    0.00  30.0    GMI  13.1   35.0   13.1   35.0   13.1   35.5 Analysis Plot     
     20160817 083100   -5.6      N/A  41.1% 155.54    5.57  30.0 SSMI17  13.1   35.1   13.1   35.1   13.4   35.2 Analysis Plot     
     20160817 151709 -930.0      N/A   N/A     N/A    0.00  30.0  AMSR2  14.0   36.4   14.0   36.4   14.3   36.2 Analysis Plot     
     20160817 213700   -0.1      N/A   N/A   33.33     .06  35.0 SSMI18  15.1   37.8   15.1   37.8   15.1   38.0 Analysis Plot     
     20160818 155915   -4.5      N/A   8.2%  99.99    4.51  40.0  AMSR2  16.4   40.6   16.4   40.6   16.9   40.6 Analysis Plot     
     20160818 202447   -0.0      N/A   N/A     N/A    0.00  40.0    GMI  16.9   41.2   16.9   41.2   17.1   41.3 Analysis Plot     
     20160818 211100   -4.7      N/A  20.5% 133.32    4.75  40.0 SSMI17  17.0   41.2   17.0   41.2   17.3   40.9 Analysis Plot     
     20160818 212400   -4.2      N/A  27.4% 144.43    4.19  40.0 SSMI18  17.0   41.3   17.0   41.3   17.3   40.8 Analysis Plot     
     20160819 041156   -5.8      N/A  31.5% 111.10    5.80  40.0  AMSR2  17.2   42.0   17.2   42.0   17.5   42.4 Analysis Plot     
     20160819 075053 -930.0      N/A   N/A     N/A    0.00  40.0    GMI  17.4   42.4   17.4   42.4   18.0   43.2 Analysis Plot     
     20160819 083500   -2.7      N/A  12.3%  77.77    2.67  40.0 SSMI16  17.5   42.4   17.5   42.4   17.9   42.5 Analysis Plot     
     20160819 094500   -0.2      N/A   5.5%  77.77     .21  40.0 SSMI17  17.7   42.8   17.7   42.8   18.0   42.7 Analysis Plot     
     20160819 095900   -4.0      N/A  15.1%  99.99    4.04  40.0 SSMI18  17.7   42.9   17.7   42.9   17.5   43.5 Analysis Plot     
     20160819 164347 -930.0      N/A   N/A     N/A    0.00  40.0  AMSR2  17.9   43.7   17.9   43.7   18.1   43.8 Analysis Plot     
     20160819 184000   -6.8      N/A   4.1% 222.20    6.76  40.0 SSMI16  17.9   43.8   17.9   43.8   17.9   43.8 Analysis Plot     
     20160819 211300   -5.3      N/A  11.0% 166.65    5.35  35.0 SSMI18  18.1   44.3   18.1   44.3   17.9   44.1 Analysis Plot     
     20160820 045410   -3.7      N/A  15.1%  11.11    3.68  35.0  AMSR2  18.9   46.0   18.9   46.0   19.2   46.0 Analysis Plot     
     20160820 082200   -1.1      N/A   1.4% 111.10    1.11  35.0 SSMI16  18.9   46.2   18.9   46.2   19.2   46.2 Analysis Plot     
     20160820 094700   -2.5      N/A   9.6% 199.98    2.53  35.0 SSMI18  19.3   46.9   19.3   46.9   19.5   46.3 Analysis Plot     
     20160821 073938 -930.0      N/A   N/A     N/A    0.00  45.0    GMI  22.0   51.0   22.0   51.0   22.5   51.4 Analysis Plot     
     20160821 163219   -4.1      N/A  31.5%  44.44    4.11  35.0  AMSR2  23.0   53.5   23.0   53.5   23.2   54.0 Analysis Plot     
     20160821 205814   -0.8      N/A   6.8%  99.99     .82  35.0    GMI  23.4   54.9   23.4   54.9   23.5   55.0 Analysis Plot     
     20160821 212800   -2.8      N/A   4.1% 155.54    2.80  35.0 SSMI16  23.3   54.6   23.3   54.6   23.1   54.7 Analysis Plot     
     20160821 221500 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI17  23.4   55.0   23.4   55.0   23.7   55.4 Analysis Plot     
     20160821 223100   -2.2      N/A   N/A   22.22    2.23  35.0 SSMI18  23.5   55.1   23.5   55.1   23.8   55.3 Analysis Plot     
     20160821 223100   -2.5      N/A   N/A   22.22    2.46  35.0 SSMI18  23.6   55.5   23.6   55.5   23.8   55.3 Analysis Plot     
     20160822 093800   -7.4      N/A   6.8% 222.20    7.38  30.0 SSMI16  24.3   58.2   24.3   58.2   24.6   58.0 Analysis Plot     
     20160822 110200   -2.2      N/A   N/A   55.55    2.19  30.0 SSMI18  24.6   59.0   24.6   59.0   24.6   59.0 Analysis Plot     
     20160822 171525   -9.2      N/A  15.1% 166.65    9.18  30.0  AMSR2  24.7   60.0   24.7   60.0   25.1   59.7 Analysis Plot     
     20160822 184736   -4.1      N/A  28.8%  77.77    4.11  30.0 SSMI15  25.0   61.0   25.0   61.0   25.2   60.3 Analysis Plot     
     20160822 210600   -6.2      N/A   5.5%  66.66    6.16  30.0 SSMI16  25.0   61.0   25.0   61.0   25.1   60.6 Analysis Plot     
     20160822 221900 -930.0      N/A   N/A     N/A    0.00  30.0 SSMI18  25.1   61.4   25.1   61.4   25.1   61.5 Analysis Plot     
     20160822 222000   -1.6      N/A   N/A   33.33    1.62  30.0 SSMI18  25.2   61.7   25.2   61.7   25.3   61.3 Analysis Plot     
     20160823 072721   -0.0      N/A   N/A     N/A    0.00  30.0    GMI  25.7   63.1   25.7   63.1   25.9   62.9 Analysis Plot     
     20160823 074010   -0.8      N/A   N/A   44.44     .83  30.0 SSMI15  25.7   63.2   25.7   63.2   25.8   63.0 Analysis Plot     
     20160823 092500   -1.9      N/A   N/A   99.99    1.94  30.0 SSMI16  25.7   63.2   25.7   63.2   25.6   63.1 Analysis Plot     
     20160823 103200   -4.9      N/A   N/A  122.21    4.91  30.0 SSMI17  25.9   63.7   25.9   63.7   25.9   63.8 Analysis Plot     
     20160823 175932   -4.6      N/A   6.8%  99.99    4.58  25.0  AMSR2  26.2   64.9   26.2   64.9   26.2   64.9 Analysis Plot     
     20160823 191821   -1.2      N/A   2.7%  33.33    1.22  25.0 SSMI15  26.3   65.2   26.3   65.2   26.4   65.0 Analysis Plot     
     20160823 204907 -930.0      N/A   N/A     N/A    0.00  25.0    GMI  26.4   65.5   26.4   65.5   26.0   65.8 Analysis Plot     
 
 
Legend:

  - Date/Time are determined from PMW imagery at Forecast (initial guess) Lat/Lon position.

  - Positive/Negative Latitude = North/South Hemisphere; Longitude = Western/Eastern Hemisphere.

  - "Ring Diam" value indicates the estimated surface eyewall diameter in km (the MI eyewall edge diameter minus 10 km).

  - "Ring Pct" is the percentage of the "ring" (eyewall inner boundary) that is 1) colder than the "hot spot" (warmest eye pixel) in the eye by 20K, or 2) the percentage that is a) colder than 232K and b) colder than the "hot spot" by 10K, whichever is greater.
  - Values are red if Ring % <= 65, yellow/brown if Ring % <= 85 and green if Ring % > 85.

  - "Tb diff" is the difference between the "hot spot" (warmest eye pixel) and the warmest pixel on the eyewall.

  - Intensity score are listed as negative, and not used, when the JTWC or NHC estimated Vmax is <55 kts in order to rule out weak but highly symmetric TCs.

  - Error messages in intensity scores: -920 is used when the hottest pixel in the eye is <200K, to prevent false positives; -930 means <85% of eyewall has observations/data.