Tropical Storm 17W

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              
     20140924 190800 -930.0      N/A   N/A  322.19  1272.0  30.0 SSMI16  20.2 -148.8   20.2 -148.8   19.5 -147.9 Analysis Plot     
     20140924 194700 -930.0      N/A   N/A  244.42  1272.0  30.0 SSMI17  20.2 -148.8   20.2 -148.8   19.9 -148.6 Analysis Plot     
     20140924 220200   -2.0      N/A  27.4% 177.76    1.97  30.0 SSMI18  20.4 -148.5   20.4 -148.5   20.1 -148.5 Analysis Plot     
     20140925 062200   -1.3      N/A   9.6% 288.86    1.29  30.0 SSMI16  19.5 -147.3   19.5 -147.3   19.1 -146.9 Analysis Plot     
     20140925 091800 -930.0      N/A   N/A  333.30  1273.9  30.0 SSMI18  20.4 -146.9   20.4 -146.9   20.0 -147.7 Analysis Plot     
     20140925 131410   -2.9      N/A   N/A   88.88    2.94  35.0   TRMM  20.6 -146.7   20.6 -146.7   20.5 -146.8 Analysis Plot     
     20140925 185500   -0.8      N/A   6.8% 177.76     .80  40.0 SSMI16  20.8 -146.5   20.8 -146.5   21.8 -146.7 Analysis Plot     
     20140925 215000 -930.0      N/A   N/A  322.19  1275.4  40.0 SSMI18  21.1 -146.3   21.1 -146.3   21.8 -146.8 Analysis Plot     
     20140926 061100 -930.0      N/A   N/A  311.08  1277.4  45.0 SSMI16  22.4 -145.8   22.4 -145.8   23.0 -146.4 Analysis Plot     
     20140926 082800 -930.0      N/A   N/A  288.86  1278.4  45.0 SSMI17  22.5 -145.8   22.5 -145.8   23.3 -145.8 Analysis Plot     
     20140926 121506 -930.0      N/A   N/A  311.08  1284.5  55.0   TRMM  23.1 -145.5   23.1 -145.5   23.8 -145.3 Analysis Plot     
     20140926 184200 -930.0      N/A   N/A  311.08  1276.5  55.0 SSMI16  24.0 -145.0   24.0 -145.0   24.4 -144.8 Analysis Plot     
     20140926 205900 -930.0      N/A   N/A  333.30  1278.5  55.0 SSMI17  25.0 -144.8   25.0 -144.8   25.0 -144.6 Analysis Plot     
     20140927 044652 -930.0      N/A   N/A  277.75  1284.6  55.0   TRMM  26.3 -143.7   26.3 -143.7   26.5 -144.3 Analysis Plot     
     20140927 081600 -930.0      N/A   N/A  155.54  1278.1  55.0 SSMI17  26.3 -144.1   26.3 -144.1   27.1 -143.9 Analysis Plot     
     20140927 111819    3.9      N/A   4.1% 299.97    3.87  55.0   TRMM  26.9 -144.0   26.9 -144.0   27.1 -143.9 Analysis Plot     
     20140927 204500 -930.0      N/A   N/A  333.30  1279.1  50.0 SSMI17  28.9 -143.6   28.9 -143.6   28.5 -143.4 Analysis Plot     
     20140927 230500 -930.0      N/A   N/A  188.87  1271.8  50.0 SSMI18  29.3 -143.6   29.3 -143.6   29.4 -143.7 Analysis Plot     
     20140928 052652   -2.5      N/A   N/A   77.77    2.53  45.0   TRMM  30.5 -144.1   30.5 -144.1   30.4 -144.4 Analysis Plot     
     20140928 084144 -930.0      N/A   N/A  211.09  1281.1  50.0   TRMM  31.0 -144.0   31.0 -144.0   30.9 -144.9 Analysis Plot     
     20140928 101924   -0.6      N/A   N/A   22.22     .63  50.0   TRMM  31.2 -144.2   31.2 -144.2   31.3 -144.8 Analysis Plot     
     20140928 195400 -930.0      N/A   N/A  299.97  1276.1  45.0 SSMI16  32.5 -146.2   32.5 -146.2   32.7 -146.5 Analysis Plot     
     20140928 203100   -2.0      N/A   4.1%  88.88    1.97  45.0 SSMI17  32.6 -146.4   32.6 -146.4   32.7 -146.2 Analysis Plot     
     20140928 225100   -2.7      N/A   1.4% 144.43    2.67  45.0 SSMI18  33.0 -146.9   33.0 -146.9   33.0 -147.0 Analysis Plot     
     20140929 060711 -930.0      N/A   N/A  322.19  1281.5  45.0   TRMM  34.8 -148.4   34.8 -148.4   34.1 -149.6 Analysis Plot     
     20140929 075200   -5.4      N/A   N/A  111.10    5.40  45.0 SSMI17  35.0 -148.7   35.0 -148.7   34.7 -148.9 Analysis Plot     
     20140929 201600   -0.0      N/A   N/A     N/A    0.00  45.0 SSMI17  38.2 -154.5   38.2 -154.5   38.0 -154.0 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.