Tropical Depression 08E


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              
     20160721 203138   -0.0      N/A   N/A     N/A    0.00  30.0  AMSR2  10.7  113.8   10.7  113.8   10.2  113.5 Analysis Plot     
     20160721 231800   -1.1      N/A  43.8%  66.66    1.10  30.0 SSMI16  10.9  114.1   10.9  114.1   11.4  114.2 Analysis Plot     
     20160722 014200   -0.0      N/A   N/A     N/A    0.00  30.0 SSMI17  11.4  114.7   11.4  114.7   11.6  114.7 Analysis Plot     
     20160722 093538   -3.8      N/A  41.1% 122.21    3.83  30.0    GMI  11.9  116.1   12.0  116.4   12.0  116.4 Analysis Plot     
     20160722 110846   -1.2      N/A  11.0%  44.44    1.25  30.0 SSMI15  12.0  116.4   12.0  116.4   12.1  116.5 Analysis Plot     
     20160722 141900   -2.9      N/A  53.4%  77.77    2.90  40.0 SSMI17  12.3  117.1   12.3  117.1   12.3  117.2 Analysis Plot     
     20160722 210239 -930.0      N/A   N/A     N/A    0.00  50.0    GMI  12.8  118.4   12.8  118.4   13.3  118.7 Analysis Plot     
     20160722 211355   -0.0      N/A   N/A     N/A    0.00  50.0  AMSR2  12.8  118.4   12.8  118.4   12.9  118.5 Analysis Plot     
     20160723 030200   -0.0      N/A   N/A     N/A    0.00  55.0 SSMI18  13.1  119.3   13.1  119.3   12.9  119.5 Analysis Plot     
     20160723 030200   -0.0      N/A   N/A     N/A    0.00  55.0 SSMI18  13.3  119.5   13.3  119.5   12.9  119.5 Analysis Plot     
     20160723 092828   28.6  >65 kts 100.0%  33.33   13.61  55.0  AMSR2  13.5  120.4   13.5  120.4   13.1  120.4 Analysis Plot     
     20160723 105301   -0.0      N/A   N/A     N/A    0.00  55.0 SSMI15  13.6  120.6   13.6  120.6   13.3  120.7 Analysis Plot     
     20160723 140700    3.3      N/A  68.5%  44.44    3.33  55.0 SSMI17  13.9  121.3   13.9  121.3   13.4  121.2 Analysis Plot     
     20160723 153900   11.6      N/A  80.8%  33.33   11.62  55.0 SSMI18  14.0  121.5   14.0  121.5   13.6  121.5 Analysis Plot     
     20160723 215812   20.8  >65 kts  53.4%  88.88   20.83  60.0  AMSR2  13.9  122.4   13.9  122.4   13.8  122.4 Analysis Plot     
     20160724 024900    2.7      N/A   6.8%  33.33    2.73  65.0 SSMI18  14.1  122.9   14.1  122.9   14.0  122.9 Analysis Plot     
     20160724 025000    3.7      N/A   6.8%  33.33    3.66  65.0 SSMI18  14.2  123.2   14.2  123.2   14.0  122.9 Analysis Plot     
     20160724 092611    9.8      N/A  68.5%  22.22    9.80  70.0    GMI  14.5  124.0   14.7  123.9   14.7  123.9 Analysis Plot     
     20160724 101118 -930.0      N/A   N/A     N/A    0.00  70.0  AMSR2  14.6  124.1   14.6  124.1   13.9  123.7 Analysis Plot     
     20160724 141500 -930.0      N/A   N/A     N/A    0.00  75.0 SSMI16  14.9  124.3   15.2  124.4   15.2  124.4 Analysis Plot     
     20160724 152600   48.2  >65 kts 100.0%  33.33   33.16  75.0 SSMI18  15.1  124.7   15.2  124.8   15.2  124.8 Analysis Plot     
     20160724 205121 -930.0      N/A   N/A     N/A    0.00  90.0    GMI  15.7  125.4   15.7  125.4   15.8  125.6 Analysis Plot     
     20160725 001800   38.5  >65 kts 100.0%  22.22   23.52  90.0 SSMI16  15.8  125.6   15.9  125.8   15.9  125.8 Analysis Plot     
     20160725 024500   32.2  >65 kts  86.3%  22.22   17.16 105.0 SSMI17  16.2  126.0   16.2  126.0   16.2  126.0 Analysis Plot     
     20160725 114934   15.6      N/A  82.2%  11.11   15.56 110.0 SSMI15  17.2  127.0   17.2  126.9   17.2  126.9 Analysis Plot     
     20160725 134000   28.3  >65 kts 100.0%  11.11   13.27 110.0 SSMI16  17.3  127.1   17.4  127.1   17.4  127.1 Analysis Plot     
     20160725 151300   14.9      N/A  82.2%  11.11   14.88 110.0 SSMI18  17.5  127.3   17.5  127.2   17.5  127.2 Analysis Plot     
     20160725 214623   -0.0      N/A   N/A     N/A    0.00 100.0  AMSR2  18.0  127.9   17.9  127.9   17.9  127.9 Analysis Plot     
     20160726 023200   -0.0      N/A   N/A     N/A    0.00  90.0 SSMI17  18.2  128.2   17.9  128.2   17.9  128.2 Analysis Plot     
     20160726 091513    8.6      N/A  35.6%  33.33    8.60  70.0    GMI  18.5  128.5   18.5  128.5   18.1  128.5 Analysis Plot     
     20160726 133300   10.2      N/A   2.7%  66.66   10.21  65.0 SSMI16  18.3  128.5   18.4  128.5   18.4  128.5 Analysis Plot     
     20160726 150600    5.7      N/A   N/A   66.66    5.70  65.0 SSMI17  18.4  128.6   18.4  128.6   18.3  128.5 Analysis Plot     
     20160727 022000   -5.4      N/A   N/A  122.21    5.39  45.0 SSMI17  18.8  128.7   18.8  128.7   18.8  128.4 Analysis Plot     
     20160727 113246   -3.1      N/A   N/A   55.55    3.12  35.0 SSMI15  19.3  129.5   19.3  129.5   19.7  129.4 Analysis Plot     
     20160727 145300   -1.7      N/A   N/A   44.44    1.67  30.0 SSMI17  19.5  129.8   19.5  129.8   19.8  130.0 Analysis Plot     
     20160727 194728   -0.9      N/A   N/A   22.22     .86  30.0    GMI  19.8  130.3   19.8  130.3   20.5  130.4 Analysis Plot     
     20160727 213538   -3.6      N/A   N/A  211.09    3.61  30.0  AMSR2  19.9  130.5   19.9  130.5   20.3  130.6 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.