Tropical Depression 11W


Passive Microwave (PMW) Intensity Information
Advanced Dvorak Technique (ADT)
Version 8.1.4
 

         Overpass     Inten           Ring    Ring          Wind           Forecast        Final        Target  
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est   Sat    Lat    Lon    Lat    Lon    Lat    Lon              
     20130808 183154   -6.3      N/A   9.6% 122.21    6.34  25.0 SSMI15  12.4 -135.8   12.4 -135.8   12.8 -135.9 Analysis Plot     
     20130808 202200   -1.7      N/A  13.7%  88.88    1.72  25.0 SSMI16  12.5 -135.6   12.5 -135.6   13.2 -135.5 Analysis Plot     
     20130808 214414   -6.4      N/A   9.6%  44.44    6.39  25.0   TRMM  12.5 -135.6   12.5 -135.6   13.1 -135.6 Analysis Plot     
     20130808 233800   -0.0      N/A   N/A     N/A    0.00  25.0 SSMI18  12.7 -135.3   12.7 -135.3   13.2 -135.2 Analysis Plot     
     20130809 073400 -930.0      N/A   N/A  277.75    4.84  25.0 SSMI16  13.2 -134.6   13.2 -134.6   13.2 -134.4 Analysis Plot     
     20130809 084500   -1.4      N/A  37.0%  44.44    1.42  25.0 SSMI17  13.9 -133.2   13.9 -133.2   13.5 -133.4 Analysis Plot     
     20130809 104800  -11.0      N/A  79.5%  44.44   10.98  25.0 SSMI18  14.1 -132.8   14.1 -132.8   13.3 -133.1 Analysis Plot     
     20130809 183528 -930.0      N/A   N/A   66.66   19.82  30.0 SSMI15  14.2 -131.4   14.2 -131.4   13.3 -131.7 Analysis Plot     
     20130809 201000  -22.2      N/A 100.0%  11.11    7.22  45.0 SSMI16  13.6 -131.3   13.5 -131.3   13.5 -131.3 Analysis Plot     
     20130809 212100  -20.3      N/A 100.0%  11.11    5.26  45.0 SSMI17  13.6 -131.1   13.5 -131.0   13.5 -131.0 Analysis Plot     
     20130809 222524 -930.0      N/A   N/A  155.54    7.89  45.0   TRMM  13.6 -131.1   13.6 -131.1   13.5 -130.4 Analysis Plot     
     20130809 232500  -17.7      N/A 100.0%  22.22    2.73  45.0 SSMI18  13.7 -130.8   13.5 -130.6   13.5 -130.6 Analysis Plot     
     20130810 083400 -930.0      N/A   N/A  155.54   11.71  55.0 SSMI17  13.8 -129.1   13.8 -129.1   13.7 -129.0 Analysis Plot     
     20130810 212924   52.2  >65 kts 100.0%  22.22   37.16  90.0   TRMM  14.4 -126.6   14.4 -126.3   14.4 -126.3 Analysis Plot     
     20130810 231400 -930.0      N/A   N/A   33.33   57.23  90.0 SSMI18  14.5 -126.2   14.5 -126.0   14.5 -126.0 Analysis Plot     
     20130811 071856  101.1  >85 kts 100.0%  22.22   86.12 115.0   TRMM  15.2 -124.5   15.3 -124.5   15.3 -124.5 Analysis Plot     
     20130811 084900   54.3  >65 kts 100.0%  11.11   39.29 115.0 SSMI16  15.2 -124.3   15.3 -124.1   15.3 -124.1 Analysis Plot     
     20130811 120700   40.8  >65 kts 100.0%  22.22   25.82 115.0 SSMI18  15.5 -123.7   15.5 -123.5   15.5 -123.5 Analysis Plot     
     20130811 202501   37.7  >65 kts 100.0%  55.55   22.72 120.0 SSMI15  16.2 -121.9   16.2 -121.9   16.2 -121.9 Analysis Plot     
     20130811 212400   -0.0      N/A   N/A     N/A    0.00 120.0 SSMI16  16.4 -121.5   16.2 -121.4   16.2 -121.4 Analysis Plot     
     20130811 221059   -0.0      N/A   N/A     N/A    0.00 120.0   TRMM  16.4 -121.5   16.3 -121.1   16.3 -121.1 Analysis Plot     
     20130812 004200   -0.0      N/A   N/A     N/A    0.00  95.0 SSMI18  16.6 -120.6   17.0 -119.2   17.0 -119.2 Analysis Plot     
     20130812 062237   12.8      N/A  38.4% 166.65   12.85  95.0   TRMM  17.0 -119.5   17.3 -119.1   17.3 -119.1 Analysis Plot     
     20130812 083800   11.4      N/A  23.3% 111.10   11.36  85.0 SSMI16  17.2 -118.8   17.4 -118.6   17.4 -118.6 Analysis Plot     
     20130812 094900   18.2      N/A  60.3% 122.21   18.16  85.0 SSMI17  17.3 -118.5   17.6 -118.5   17.6 -118.5 Analysis Plot     
     20130812 115400   -0.0      N/A   N/A     N/A    0.00  85.0 SSMI18  17.5 -118.1   17.5 -118.1   17.5 -118.1 Analysis Plot     
     20130812 211100    9.3      N/A   N/A   33.33    9.28  90.0 SSMI16  18.3 -116.2   18.2 -115.9   18.2 -115.9 Analysis Plot     
     20130812 222300   32.6  >65 kts  87.7%  99.99   17.65  90.0 SSMI17  18.4 -116.0   18.3 -115.6   18.3 -115.6 Analysis Plot     
     20130813 093700   42.8  >65 kts 100.0%  55.55   27.77 100.0 SSMI17  19.2 -113.6   19.1 -113.8   19.1 -113.8 Analysis Plot     
     20130813 114400 -930.0      N/A   N/A   88.88   18.07 100.0 SSMI18  19.4 -113.3   19.0 -113.4   19.0 -113.4 Analysis Plot     
     20130813 215624   12.5      N/A  21.9%  55.55   12.52  95.0   TRMM  20.2 -112.5   20.3 -112.4   20.3 -112.4 Analysis Plot     
     20130813 221000    9.8      N/A  23.3%  55.55    9.78  95.0 SSMI17  20.4 -112.3   20.3 -112.4   20.3 -112.4 Analysis Plot     
     20130814 001600   14.2      N/A  50.7%  66.66   14.21  95.0 SSMI18  20.6 -112.1   20.6 -112.3   20.6 -112.3 Analysis Plot     
     20130814 060618   -0.0      N/A   N/A     N/A    0.00  85.0   TRMM  21.4 -111.4   21.4 -111.4   21.4 -111.3 Analysis Plot     
     20130814 095139    5.5      N/A  78.1%  22.22    5.54  80.0 SSMI15  21.6 -111.8   21.6 -111.8   21.9 -111.6 Analysis Plot     
     20130814 095400   21.2  >65 kts  97.3%  33.33    6.20  80.0 SSMI16  21.8 -111.7   21.8 -111.7   21.6 -111.3 Analysis Plot     
     20130814 211402   -0.0      N/A   N/A     N/A    0.00  75.0 SSMI15  22.6 -110.9   22.6 -110.7   22.6 -110.7 Analysis Plot     
     20130814 222500    8.0      N/A   N/A   33.33    7.96  75.0 SSMI16  22.8 -110.8   23.1 -111.2   23.1 -111.2 Analysis Plot     
     20130815 051054    0.9      N/A   N/A   22.22     .93  75.0   TRMM  23.3 -110.5   23.5 -111.3   23.5 -111.3 Analysis Plot     
     20130815 083049    6.8      N/A   5.5% 155.54    6.78  75.0 SSMI15  23.6 -110.2   23.6 -110.2   24.1 -110.9 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.