Tropical Storm 16W


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              
     20160909 034752   -5.8      N/A  43.8%  22.22    5.81  25.0  AMSR2  13.2 -142.4   13.2 -142.4   13.5 -142.5 Analysis Plot     
     20160909 130148 -930.0      N/A   N/A     N/A    0.00  30.0    GMI  14.3 -142.0   14.3 -142.0   14.0 -141.3 Analysis Plot     
     20160909 160149   -4.6      N/A  16.4% 199.98    4.64  30.0  AMSR2  14.8 -141.6   14.8 -141.6   14.8 -141.4 Analysis Plot     
     20160910 021704 -930.0      N/A   N/A     N/A    0.00  35.0    GMI  15.4 -139.6   15.4 -139.6   15.6 -139.6 Analysis Plot     
     20160910 043233 -930.0      N/A   N/A     N/A    0.00  35.0  AMSR2  15.5 -139.4   15.5 -139.4   15.6 -139.2 Analysis Plot     
     20160910 065545   -4.0      N/A  13.7% 199.98    4.03  35.0 SSMI15  15.5 -139.3   15.5 -139.3   15.6 -138.6 Analysis Plot     
     20160910 083000   -4.6      N/A  27.9% 266.64    4.57  35.0 SSMI16  15.6 -138.4   15.6 -138.4   15.0 -137.7 Analysis Plot     
     20160910 091500   -4.8      N/A   8.2% 177.76    4.84  35.0 SSMI17  15.9 -137.8   15.9 -137.8   15.6 -137.7 Analysis Plot     
     20160910 094800   -5.9      N/A  11.0% 199.98    5.86  35.0 SSMI18  15.9 -137.7   15.9 -137.7   15.9 -137.6 Analysis Plot     
     20160910 164423 -930.0      N/A   N/A     N/A    0.00  45.0  AMSR2  16.3 -136.6   16.3 -136.6   15.6 -136.4 Analysis Plot     
     20160910 222400   -5.4      N/A  63.0%  77.77    5.42  50.0 SSMI18  16.1 -135.5   16.1 -135.5   16.3 -136.1 Analysis Plot     
     20160911 081800   11.3      N/A  64.4%  66.66   11.27  70.0 SSMI16  16.9 -134.4   16.8 -134.3   16.8 -134.3 Analysis Plot     
     20160911 093600   13.0      N/A  61.6%  44.44   12.99  70.0 SSMI18  17.3 -133.6   17.0 -133.5   17.0 -133.5 Analysis Plot     
     20160911 124956   33.4  >65 kts  95.9%  22.22   18.43  70.0    GMI  17.5 -133.1   17.1 -132.7   17.1 -132.7 Analysis Plot     
     20160911 213600   38.8  >65 kts 100.0%  22.22   23.83 100.0 SSMI17  18.0 -130.9   17.9 -130.9   17.9 -130.9 Analysis Plot     
     20160911 221000   52.2  >65 kts 100.0%  22.22   37.16 100.0 SSMI18  18.0 -130.8   17.9 -130.8   17.9 -130.8 Analysis Plot     
     20160912 020659   77.4  >85 kts 100.0%  33.33   62.43 115.0    GMI  18.0 -129.9   18.0 -130.0   18.0 -130.0 Analysis Plot     
     20160912 042036   82.0  >85 kts 100.0%  22.22   66.96 115.0  AMSR2  18.2 -129.5   18.2 -129.7   18.2 -129.7 Analysis Plot     
     20160912 195053   58.7  >65 kts 100.0%  22.22   43.68 155.0 SSMI15  19.4 -126.5   19.4 -126.5   19.4 -126.5 Analysis Plot     
     20160913 050330 -930.0      N/A   N/A     N/A    0.00 160.0  AMSR2  19.9 -124.6   19.8 -125.6   19.8 -125.6 Analysis Plot     
     20160913 074048   78.7  >85 kts 100.0%  33.33   63.68 160.0 SSMI15  20.0 -124.4   20.2 -124.1   20.2 -124.1 Analysis Plot     
     20160913 081000   85.7  >85 kts 100.0%  33.33   70.74 160.0 SSMI16  20.2 -124.2   20.1 -123.7   20.1 -123.7 Analysis Plot     
     20160913 101800   80.6  >85 kts 100.0%  33.33   65.57 160.0 SSMI17  20.4 -123.5   20.4 -123.2   20.4 -123.2 Analysis Plot     
     20160913 105400   84.6  >85 kts 100.0%  22.22   69.57 160.0 SSMI18  20.5 -123.4   20.3 -123.0   20.3 -123.0 Analysis Plot     
     20160913 123714 -930.0      N/A   N/A     N/A    0.00 160.0    GMI  20.7 -122.9   20.7 -122.9   20.3 -123.3 Analysis Plot     
     20160913 171430   87.3  >85 kts 100.0%  33.33   72.26 160.0  AMSR2  21.0 -121.7   20.7 -121.9   20.7 -121.9 Analysis Plot     
     20160913 193342   65.2  >85 kts 100.0%  22.22   50.23 160.0 SSMI15  21.1 -121.5   20.9 -121.7   20.9 -121.7 Analysis Plot     
     20160913 213800   60.0  >85 kts 100.0%  33.33   45.00 165.0 SSMI16  21.0 -121.5   21.1 -121.4   21.1 -121.4 Analysis Plot     
     20160913 225000   56.4  >65 kts 100.0%  33.33   41.35 165.0 SSMI17  21.3 -121.0   21.4 -120.9   21.4 -120.9 Analysis Plot     
     20160913 232700   65.2  >85 kts 100.0%  33.33   50.21 165.0 SSMI18  21.3 -120.8   21.4 -120.9   21.4 -120.9 Analysis Plot     
     20160914 054827 -930.0      N/A   N/A     N/A    0.00 155.0  AMSR2  22.2 -119.8   22.5 -119.7   22.5 -119.7 Analysis Plot     
     20160914 104200    9.4      N/A  49.3%  33.33    9.35 155.0 SSMI18  23.3 -118.7   23.2 -119.2   23.2 -119.2 Analysis Plot     
     20160914 175602   15.6      N/A  45.2% 111.10   15.62 125.0  AMSR2  24.4 -118.0   24.4 -118.2   24.4 -118.2 Analysis Plot     
     20160914 223600   -0.0      N/A   N/A     N/A    0.00  90.0 SSMI17  25.1 -117.8   25.2 -117.8   25.2 -117.8 Analysis Plot     
     20160914 231300   -0.0      N/A   N/A     N/A    0.00  90.0 SSMI18  25.2 -117.8   25.4 -117.6   25.4 -117.6 Analysis Plot     
     20160915 023948    7.5      N/A   N/A   66.66    7.50  90.0    GMI  25.6 -117.5   25.5 -117.1   25.5 -117.1 Analysis Plot     
     20160915 045424 -930.0      N/A   N/A     N/A    0.00  90.0  AMSR2  25.9 -117.3   25.9 -117.3   25.8 -117.1 Analysis Plot     
     20160915 095300    0.6      N/A   N/A   55.55     .55  90.0 SSMI17  26.5 -117.0   26.5 -117.0   26.3 -117.2 Analysis Plot     
     20160915 103100 -930.0      N/A   N/A     N/A    0.00  90.0 SSMI18  26.6 -117.0   26.6 -117.0   26.2 -117.2 Analysis Plot     
     20160915 122614    0.4      N/A   N/A   66.66     .40  90.0    GMI  27.0 -116.9   27.0 -116.9   27.1 -116.8 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.