Tropical Storm 08W


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              
     20160808 081200   -2.8      N/A  11.0% 144.43    2.76  25.0 SSMI18  17.8 -160.6   17.8 -160.6   17.0 -161.0 Analysis Plot     
     20160808 102906   -5.2      N/A  35.6%  22.22    5.18  25.0    GMI  17.8 -160.4   17.8 -160.4   17.1 -160.9 Analysis Plot     
     20160808 204700   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI18  17.5 -159.7   17.5 -159.7   17.1 -160.1 Analysis Plot     
     20160809 025502   -3.1      N/A   4.1% 144.43    3.09  35.0  AMSR2  17.1 -159.1   17.1 -159.1   16.6 -159.5 Analysis Plot     
     20160809 054200   -4.7      N/A  20.5% 155.54    4.73  35.0 SSMI16  17.1 -158.9   17.1 -158.9   16.6 -159.1 Analysis Plot     
     20160809 075400   -2.8      N/A  20.5%  77.77    2.77  35.0 SSMI17  17.1 -158.5   17.1 -158.5   16.8 -158.9 Analysis Plot     
     20160809 080000   -2.4      N/A  19.2%  77.77    2.38  35.0 SSMI18  17.1 -158.5   17.1 -158.5   16.8 -158.9 Analysis Plot     
     20160809 163824   -5.7      N/A  13.7% 122.21    5.71  45.0 SSMI15  17.5 -157.5   17.5 -157.5   17.4 -157.2 Analysis Plot     
     20160809 190900   -0.0      N/A   N/A     N/A    0.00  45.0 SSMI16  17.5 -157.4   17.5 -157.4   18.1 -157.0 Analysis Plot     
     20160809 210124 -930.0      N/A   N/A     N/A    0.00  45.0    GMI  18.0 -156.7   18.0 -156.7   17.9 -157.5 Analysis Plot     
     20160810 052900 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI16  18.4 -155.6   18.4 -155.6   17.9 -156.5 Analysis Plot     
     20160810 074100   -8.5      N/A   2.7% 111.10    8.46  45.0 SSMI17  18.6 -155.4   18.6 -155.4   18.5 -154.9 Analysis Plot     
     20160810 074900 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI18  18.6 -155.4   18.6 -155.4   17.9 -155.6 Analysis Plot     
     20160810 101917   -2.4      N/A   N/A   33.33    2.41  45.0    GMI  18.9 -155.1   18.9 -155.1   18.8 -154.6 Analysis Plot     
     20160810 202300   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI18  20.0 -153.7   20.0 -153.7   19.8 -154.0 Analysis Plot     
     20160811 024412 -930.0      N/A   N/A     N/A    0.00  35.0  AMSR2  20.6 -153.4   20.6 -153.4   20.3 -153.5 Analysis Plot     
     20160811 060716 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI15  20.9 -153.4   20.9 -153.4   21.0 -153.6 Analysis Plot     
     20160811 073000   -3.6      N/A   8.2% 255.53    3.56  35.0 SSMI17  21.3 -153.3   21.3 -153.3   21.3 -153.6 Analysis Plot     
     20160811 180700   -2.4      N/A   N/A  199.98    2.37  35.0 SSMI16  23.1 -154.6   23.1 -154.6   23.2 -154.8 Analysis Plot     
     20160811 200000 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI17  24.0 -155.4   24.0 -155.4   25.0 -154.9 Analysis Plot     
     20160812 055402 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI15  26.1 -155.5   26.1 -155.5   26.6 -155.4 Analysis Plot     
     20160812 071700   -2.4      N/A   N/A  199.98    2.36  40.0 SSMI17  26.3 -155.7   26.3 -155.7   26.9 -155.7 Analysis Plot     
     20160812 153436 -930.0      N/A   N/A     N/A    0.00  40.0  AMSR2  28.7 -155.1   28.7 -155.1   28.2 -155.2 Analysis Plot     
     20160812 173106 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI15  29.0 -155.0   29.0 -155.0   28.4 -155.0 Analysis Plot     
     20160812 195641   -1.3      N/A   N/A   22.22    1.29  40.0    GMI  29.2 -154.9   29.2 -154.9   28.9 -155.6 Analysis Plot     
     20160812 213600 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI18  29.6 -154.7   29.6 -154.7   30.5 -154.3 Analysis Plot     
     20160813 023420   -0.5      N/A  19.2% 177.76     .46  40.0  AMSR2  30.3 -154.2   30.3 -154.2   30.8 -154.5 Analysis Plot     
     20160813 042143   -0.0      N/A   N/A     N/A    0.00  40.0 SSMI15  30.9 -153.8   30.9 -153.8   31.5 -154.3 Analysis Plot     
     20160813 070700 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI17  32.4 -153.8   32.4 -153.8   32.0 -154.0 Analysis Plot     
     20160813 085800 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI18  32.8 -153.5   32.8 -153.5   32.6 -153.4 Analysis Plot     
     20160813 171235   -4.9      N/A   N/A  144.43    4.92  40.0 SSMI15  34.1 -151.9   34.1 -151.9   34.0 -152.5 Analysis Plot     
     20160813 211200   -3.3      N/A   2.7% 133.32    3.28  50.0 SSMI17  35.2 -151.3   35.2 -151.3   35.2 -151.5 Analysis Plot     
     20160813 212100   -3.0      N/A   4.1% 133.32    3.01  50.0 SSMI18  35.3 -151.2   35.3 -151.2   35.3 -151.5 Analysis Plot     
     20160814 083700 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI17  38.9 -149.2   38.9 -149.2   39.2 -149.0 Analysis Plot     
     20160814 100350   -1.7      N/A   4.1% 144.43    1.74  45.0    GMI  39.7 -148.8   39.7 -148.8   40.0 -148.8 Analysis Plot     
     20160814 193600 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI16  43.2 -146.9   43.2 -146.9   43.3 -147.1 Analysis Plot     
     20160814 205600 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI17  44.5 -146.3   44.5 -146.3   43.6 -146.3 Analysis Plot     
     20160814 210700 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI18  44.5 -146.3   44.5 -146.3   43.7 -146.3 Analysis Plot     
     20160815 022750 -930.0      N/A   N/A     N/A    0.00  40.0  AMSR2  46.3 -145.8   46.3 -145.8   45.7 -147.3 Analysis Plot     
     20160815 062700   -0.0      N/A   N/A     N/A    0.00  40.0 SSMI16  47.8 -145.7   47.8 -145.7   46.8 -146.3 Analysis Plot     
     20160815 082400 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI17  48.5 -145.8   48.5 -145.8   47.6 -146.6 Analysis Plot     
     20160815 083500 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI18  49.2 -146.0   49.2 -146.0   48.0 -146.8 Analysis Plot     
     20160815 104819   -1.6      N/A   8.2%  66.66    1.60  40.0    GMI  49.9 -146.2   49.9 -146.2   49.3 -147.1 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.