Tropical Depression 09L


Passive Microwave (PMW) Intensity Information
Advanced Dvorak Technique (ADT)
Version 8.1.5
 

         Overpass     Inten           Ring    Ring          Wind           Forecast        Final        Target  
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est   Sat    Lat    Lon    Lat    Lon    Lat    Lon              
     20130908 191300   -3.7      N/A   N/A   33.33    3.72  25.0 SSMI17  13.0   20.3   13.0   20.3   12.2   20.0 Analysis Plot     
     20130908 213900   -4.5      N/A  16.4% 188.87    4.48  25.0 SSMI18  13.1   20.7   13.1   20.7   12.6   21.0 Analysis Plot     
     20130909 024250 -930.0      N/A   N/A   55.55    5.03  30.0   TRMM  13.2   21.8   13.2   21.8   13.0   21.4 Analysis Plot     
     20130909 063900   -7.3      N/A  13.7% 211.09    7.32  30.0 SSMI16  13.3   22.6   13.3   22.6   13.1   22.0 Analysis Plot     
     20130909 075000   -1.8      N/A   9.6% 177.76    1.82  35.0 SSMI17  13.4   22.7   13.4   22.7   13.4   22.3 Analysis Plot     
     20130909 101600   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI18  13.4   23.1   13.5   23.8   13.5   23.8 Analysis Plot     
     20130909 190100   -6.5      N/A  26.5% 211.09    6.46  40.0 SSMI17  13.7   24.6   13.7   24.6   14.4   25.0 Analysis Plot     
     20130909 212600   -4.6      N/A  30.1% 222.20    4.64  45.0 SSMI18  13.7   25.3   13.7   25.3   14.2   25.3 Analysis Plot     
     20130910 014555   -5.7      N/A   9.6% 111.10    5.65  50.0   TRMM  13.9   25.8   13.9   25.8   14.3   25.9 Analysis Plot     
     20130910 050334 -930.0      N/A   N/A   22.22    2.37  50.0 SSMI15  14.0   26.1   14.0   26.1   13.7   26.0 Analysis Plot     
     20130910 073700    9.0      N/A  54.8%  33.33    9.01  55.0 SSMI17  14.3   26.5   14.3   26.5   14.2   26.5 Analysis Plot     
     20130910 100300    2.0      N/A  23.3% 111.10    1.95  55.0 SSMI18  14.5   26.8   14.5   26.8   14.2   27.2 Analysis Plot     
     20130910 163720    1.9      N/A  15.1% 166.65    1.88  55.0   TRMM  14.8   27.9   14.8   27.9   14.6   27.8 Analysis Plot     
     20130910 211600    1.5      N/A  16.4%  77.77    1.54  60.0 SSMI18  14.9   28.1   14.9   28.1   15.1   28.1 Analysis Plot     
     20130911 072400 -930.0      N/A   N/A  133.32   15.69  60.0 SSMI17  15.9   28.8   15.9   28.8   15.4   29.1 Analysis Plot     
     20130911 095100   33.0  >65 kts  90.4%  44.44   17.96  60.0 SSMI18  16.2   28.8   15.8   29.0   15.8   29.0 Analysis Plot     
     20130911 190700    4.0      N/A  80.8%  22.22    4.04  65.0 SSMI16  17.3   29.2   17.6   28.9   17.6   28.9 Analysis Plot     
     20130912 074000   11.8      N/A  38.4%  66.66   11.75  75.0 SSMI16  20.3   28.7   20.1   28.8   20.1   28.8 Analysis Plot     
     20130912 093800    6.7      N/A  54.2%  99.99    6.69  75.0 SSMI18  20.7   28.7   20.6   28.7   20.6   28.7 Analysis Plot     
     20130912 183622    3.2      N/A  28.8% 122.21    3.25  75.0 SSMI15  22.0   29.1   22.0   29.1   22.2   29.2 Analysis Plot     
     20130912 225754 -930.0      N/A   N/A  222.20    5.00  75.0   TRMM  23.4   29.4   22.8   28.8   22.8   28.8 Analysis Plot     
     20130913 064136    4.4      N/A   8.2% 188.87    4.43  75.0 SSMI15  23.7   30.0   23.7   30.0   23.7   29.8 Analysis Plot     
     20130913 072600    1.0      N/A   N/A   33.33    1.02  65.0 SSMI16  24.3   30.1   24.3   30.1   24.4   30.6 Analysis Plot     
     20130913 083700   -0.0      N/A   N/A     N/A    0.00  65.0 SSMI17  24.4   30.2   24.4   30.2   24.3   30.6 Analysis Plot     
     20130913 183138    2.0      N/A   N/A   77.77    1.99  60.0 SSMI15  24.8   31.5   24.8   31.5   25.1   31.2 Analysis Plot     
     20130913 195300   -2.5      N/A   N/A   77.77    2.53  50.0 SSMI17  25.0   32.0   25.0   32.0   25.0   31.5 Analysis Plot     
     20130913 222200   -3.0      N/A   N/A  122.21    2.97  50.0 SSMI18  25.0   32.2   25.0   32.2   25.0   31.7 Analysis Plot     
     20130913 234019 -930.0      N/A   N/A  155.54    3.35  50.0   TRMM  25.1   32.5   25.1   32.5   24.9   32.6 Analysis Plot     
     20130914 054100   -3.6      N/A   N/A   99.99    3.65  40.0 SSMI15  24.9   33.5   24.9   33.5   25.5   32.7 Analysis Plot     
     20130914 071400   -1.5      N/A   N/A   88.88    1.54  35.0 SSMI16  25.0   33.8   25.0   33.8   25.5   33.1 Analysis Plot     
     20130914 082300   -2.1      N/A   N/A   33.33    2.07  35.0 SSMI17  25.0   34.0   25.0   34.0   25.5   33.8 Analysis Plot     
     20130914 161242   -2.0      N/A   N/A   55.55    1.98  35.0   TRMM  25.2   35.5   25.2   35.5   25.9   35.6 Analysis Plot     
     20130914 194000   -0.0      N/A   N/A   33.33     .04  35.0 SSMI17  25.3   36.0   25.3   36.0   25.4   36.7 Analysis Plot     
     20130914 220900   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI18  25.5   36.5   25.5   36.5   25.6   36.8 Analysis Plot     
     20130914 224433   -1.7      N/A   N/A   44.44    1.68  35.0   TRMM  25.6   36.8   25.6   36.8   25.9   36.9 Analysis Plot     
     20130916 155742  -13.0      N/A  38.4%  66.66   13.03  35.0   TRMM  27.3   43.3   27.3   43.3   27.2   42.6 Analysis Plot     
     20130916 194700   -4.3      N/A   N/A   55.55    4.32  35.0 SSMI16  27.6   43.3   27.6   43.3   26.5   43.2 Analysis Plot     
     20130916 205700   -5.1      N/A   N/A   44.44    5.13  40.0 SSMI17  27.3   43.5   27.3   43.5   27.0   43.6 Analysis Plot     
     20130916 205700   -4.9      N/A   N/A   44.44    4.93  40.0 SSMI17  27.4   43.5   27.4   43.5   26.9   43.5 Analysis Plot     
     20130916 222848   -1.5      N/A   N/A   22.22    1.55  40.0   TRMM  27.5   43.6   27.5   43.6   26.8   43.4 Analysis Plot     
     20130917 064202   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI15  27.4   43.5   27.4   43.5   27.4   43.1 Analysis Plot     
     20130917 081500   -9.3      N/A  35.6%  77.77    9.27  35.0 SSMI16  27.8   42.7   27.8   42.7   28.0   42.6 Analysis Plot     
     20130917 092500   -4.8      N/A  19.2% 144.43    4.76  35.0 SSMI17  27.9   42.7   27.9   42.7   27.8   42.8 Analysis Plot     
     20130917 164006   -3.8      N/A   2.7%  55.55    3.79  40.0   TRMM  29.7   42.6   29.7   42.6   30.2   43.0 Analysis Plot     
     20130917 172846   -9.4      N/A   N/A   99.99    9.36  40.0 SSMI15  29.8   42.7   29.8   42.7   29.9   42.9 Analysis Plot     
     20130917 193400   -6.0      N/A   9.6% 133.32    6.01  40.0 SSMI16  29.8   42.7   29.8   42.7   29.9   43.0 Analysis Plot     
     20130917 204400   -3.1      N/A   9.6% 199.98    3.08  40.0 SSMI17  30.2   42.8   30.2   42.8   30.0   42.5 Analysis Plot     
     20130917 213313   -1.7      N/A   N/A   88.88    1.71  40.0   TRMM  29.8   43.0   29.8   43.0   29.5   42.8 Analysis Plot     
     20130918 091100   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI17  31.4   43.4   31.4   43.4   30.6   43.4 Analysis Plot     
     20130918 114300   -3.7      N/A   N/A   22.22    3.67  35.0 SSMI18  31.6   43.4   31.6   43.4   31.6   42.5 Analysis Plot     
     20130918 154423   -1.6      N/A  24.7%  22.22    1.61  35.0   TRMM  31.4   43.8   31.4   43.8   31.6   43.2 Analysis Plot     
     20130918 172154   -9.2      N/A  31.5%  22.22    9.16  35.0   TRMM  31.6   43.8   31.6   43.8   31.7   43.5 Analysis Plot     
     20130918 192200   -4.6      N/A   4.1%  77.77    4.59  35.0 SSMI16  31.7   43.8   31.7   43.8   32.1   43.2 Analysis Plot     
     20130918 203200   -2.4      N/A  12.3%  44.44    2.36  35.0 SSMI17  31.7   43.7   31.7   43.7   32.1   43.6 Analysis Plot     
     20130918 203726   -2.0      N/A   6.8%  55.55    2.02  35.0   TRMM  31.8   43.7   31.8   43.7   32.1   43.6 Analysis Plot     
     20130918 230500   -5.2      N/A   N/A   33.33    5.18  35.0 SSMI18  32.2   43.7   32.2   43.7   32.2   43.9 Analysis Plot     
     20130919 085700   -4.2      N/A   N/A   33.33    4.24  30.0 SSMI17  33.0   44.3   33.0   44.3   32.8   44.0 Analysis Plot     
     20130919 113000   -4.9      N/A   N/A   44.44    4.89  30.0 SSMI18  33.3   44.1   33.3   44.1   32.8   43.5 Analysis Plot     
     20130919 162644   -4.0      N/A   N/A   77.77    4.00  30.0   TRMM  32.9   43.0   32.9   43.0   33.0   42.8 Analysis Plot     
     20130919 191000   -0.6      N/A   N/A   33.33     .59  30.0 SSMI16  33.1   42.8   33.1   42.8   33.1   42.3 Analysis Plot     
     20130919 201900   -4.4      N/A   2.7% 155.54    4.35  30.0 SSMI17  33.2   42.7   33.2   42.7   34.0   42.3 Analysis Plot     
     20130919 201900   -4.3      N/A   2.7% 155.54    4.34  30.0 SSMI17  33.5   42.5   33.5   42.5   34.0   42.3 Analysis Plot     
     20130919 225300 -930.0      N/A   N/A  133.32    4.84  30.0 SSMI18  33.7   42.4   33.7   42.4   33.8   41.5 Analysis Plot     
     20130919 225300   -1.2      N/A   N/A   33.33    1.17  30.0 SSMI18  34.1   42.2   34.1   42.2   34.2   41.6 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.