Tropical Depression 17S


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              
     20140321 095100   -5.6      N/A   2.7%  99.99    5.65  30.0 SSMI16  -9.7 -107.5   -9.7 -107.5   -9.8 -107.6 Analysis Plot     
     20140321 104500   -0.0      N/A   N/A     N/A    0.00  30.0 SSMI17  -9.7 -107.3   -9.7 -107.3   -9.3 -107.3 Analysis Plot     
     20140321 180949   -0.0      N/A   N/A     N/A    0.00  40.0   TRMM -10.0 -106.1  -10.4 -106.1  -10.4 -106.1 Analysis Plot     
     20140321 201227   -0.0      N/A   N/A     N/A    0.00  40.0 SSMI15 -10.1 -105.8  -10.1 -105.7  -10.1 -105.7 Analysis Plot     
     20140322 010500  -32.0      N/A  95.9%  55.55   17.00  40.0 SSMI18 -10.2 -105.2  -10.2 -105.3  -10.2 -105.3 Analysis Plot     
     20140322 040110   -8.6      N/A  42.5%  33.33    8.58  40.0   TRMM -10.3 -104.9  -10.4 -105.2  -10.4 -105.2 Analysis Plot     
     20140322 093800    3.5      N/A  76.7%  55.55    3.50  55.0 SSMI16 -10.5 -104.7  -11.1 -105.0  -11.1 -105.0 Analysis Plot     
     20140322 103300 -930.0      N/A   N/A   77.77  1250.6  55.0 SSMI17 -10.6 -104.6  -11.1 -104.9  -11.1 -104.9 Analysis Plot     
     20140322 171349 -930.0      N/A   N/A   44.44  1278.8  55.0   TRMM -11.1 -104.0  -12.1 -104.5  -12.1 -104.5 Analysis Plot     
     20140322 195703   74.2  >85 kts 100.0%  33.33   59.25  90.0 SSMI15 -12.5 -104.3  -12.4 -104.3  -12.4 -104.3 Analysis Plot     
     20140322 232400 -930.0      N/A   N/A   33.33  1269.3  90.0 SSMI17 -12.9 -104.1  -12.9 -104.1  -12.9 -104.1 Analysis Plot     
     20140323 005400   67.1  >85 kts 100.0%  33.33   52.07  90.0 SSMI18 -13.0 -104.0  -13.0 -104.1  -13.0 -104.1 Analysis Plot     
     20140323 030506   69.1  >85 kts 100.0%  33.33   54.10  90.0   TRMM -13.2 -103.9  -13.4 -103.9  -13.4 -103.9 Analysis Plot     
     20140323 083233   45.7  >65 kts 100.0%  22.22   30.69 110.0 SSMI15 -14.0 -103.5  -14.2 -103.7  -14.2 -103.7 Analysis Plot     
     20140323 133100   48.7  >65 kts 100.0%  22.22   33.74 110.0 SSMI18 -14.6 -103.3  -14.9 -103.6  -14.9 -103.6 Analysis Plot     
     20140323 175623   75.0  >85 kts 100.0%  33.33   60.02 110.0   TRMM -15.1 -103.0  -15.5 -103.7  -15.5 -103.7 Analysis Plot     
     20140323 194234   58.6  >65 kts 100.0%  22.22   43.62 140.0 SSMI15 -15.6 -103.5  -15.7 -103.6  -15.7 -103.6 Analysis Plot     
     20140323 221600   43.2  >65 kts 100.0%  33.33   28.24 140.0 SSMI16 -15.9 -103.5  -16.1 -103.6  -16.1 -103.6 Analysis Plot     
     20140323 231100   79.7  >85 kts 100.0%  44.44   64.68 140.0 SSMI17 -15.9 -103.5  -16.1 -103.6  -16.1 -103.6 Analysis Plot     
     20140324 004200   79.3  >85 kts 100.0%  44.44   64.26 140.0 SSMI18 -16.1 -103.5  -16.3 -103.7  -16.3 -103.7 Analysis Plot     
     20140324 020857   89.3  >85 kts 100.0%  44.44   74.26 140.0   TRMM -16.2 -103.4  -16.6 -103.7  -16.6 -103.7 Analysis Plot     
     20140324 081539    5.7      N/A  75.3%  22.22    5.69 120.0 SSMI15 -17.5 -103.5  -17.6 -103.7  -17.6 -103.7 Analysis Plot     
     20140324 114600 -930.0      N/A   N/A   33.33  1250.3 120.0 SSMI17 -17.9 -103.5  -18.0 -104.0  -18.0 -104.0 Analysis Plot     
     20140324 131700   -0.0      N/A   N/A     N/A    0.00 120.0 SSMI18 -18.1 -103.5  -18.7 -104.4  -18.7 -104.4 Analysis Plot     
     20140324 170107 -930.0      N/A   N/A   55.55  1257.6 120.0   TRMM -18.6 -103.5  -19.3 -104.3  -19.3 -104.3 Analysis Plot     
     20140324 220400 -930.0      N/A   N/A  199.98  1279.8  90.0 SSMI16 -19.1 -103.8  -19.1 -103.8  -19.4 -104.8 Analysis Plot     
     20140324 225800    4.9      N/A   N/A  166.65    4.89  90.0 SSMI17 -19.2 -103.8  -19.2 -103.8  -18.8 -103.8 Analysis Plot     
     20140325 003100    5.6      N/A   8.2% 222.20    5.62  90.0 SSMI18 -19.3 -103.8  -19.3 -103.8  -18.9 -103.9 Analysis Plot     
     20140325 011253    4.5      N/A   9.6% 199.98    4.54  90.0   TRMM -19.3 -103.8  -19.3 -103.8  -19.0 -104.1 Analysis Plot     
     20140325 075939    7.5      N/A  16.4%  88.88    7.51  60.0 SSMI15 -19.7 -103.8  -19.7 -103.8  -20.3 -104.2 Analysis Plot     
     20140325 103800    8.0      N/A  15.1% 199.98    8.03  60.0 SSMI16 -19.9 -103.8  -19.9 -103.8  -20.6 -103.6 Analysis Plot     
     20140325 130400    2.0      N/A   N/A  155.54    1.95  60.0 SSMI18 -20.1 -103.7  -20.1 -103.7  -20.7 -103.6 Analysis Plot     
     20140325 174314 -930.0      N/A   N/A  188.87  1284.9  60.0   TRMM -20.4 -103.6  -20.4 -103.6  -21.1 -103.5 Analysis Plot     
     20140325 215100   -2.9      N/A   N/A  166.65    2.88  40.0 SSMI16 -21.3 -103.1  -21.3 -103.1  -21.4 -102.8 Analysis Plot     
     20140325 224600   -4.6      N/A   N/A  222.20    4.63  40.0 SSMI17 -21.3 -103.0  -21.3 -103.0  -21.3 -103.0 Analysis Plot     
     20140326 002000   -2.7      N/A   4.1% 222.20    2.69  40.0 SSMI18 -21.4 -102.9  -21.4 -102.9  -21.5 -103.1 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.