Tropical Storm 13S


Passive Microwave (PMW) Intensity Information
Advanced Dvorak Technique (ADT)
Version 8.1.4 (experimental)
 

         Overpass     Inten           Ring    Ring          Wind             Final       Forecast       Target  
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est   Sat    Lat    Lon    Lat    Lon    Lat    Lon              
     20130127 132300    N/A      N/A   N/A     N/A     N/A  35.0 SSMI17 -13.6  -62.2  -13.6  -62.2  -12.5  -62.3 Analysis Plot     
     20130127 133700    N/A      N/A   N/A     N/A     N/A  35.0 SSMI16 -13.7  -62.1  -13.7  -62.1  -12.7  -62.3 Analysis Plot     
     20130127 162700    N/A      N/A   N/A     N/A     N/A  35.0 SSMI18 -13.7  -61.8  -13.7  -61.8  -12.7  -62.1 Analysis Plot     
     20130128 022405  -13.6      N/A  64.4% 111.10   13.59  35.0   TRMM -13.2  -59.6  -13.2  -59.6  -13.2  -60.1 Analysis Plot     
     20130128 161500  -60.3      N/A 100.0% 111.10   45.26  45.0 SSMI18 -13.4  -57.8  -13.2  -57.8  -13.2  -57.8 Analysis Plot     
     20130129 002156  -42.1      N/A 100.0% 111.10   27.13  45.0 SSMI15 -13.6  -56.6  -13.5  -56.7  -13.5  -56.7 Analysis Plot     
     20130129 020100   16.6      N/A  67.1% 133.32   16.61  65.0 SSMI17 -13.7  -56.2  -13.5  -56.5  -13.5  -56.5 Analysis Plot     
     20130129 135125   13.1      N/A  53.4%  77.77   13.14  65.0 SSMI15 -14.1  -54.9  -13.8  -55.1  -13.8  -55.1 Analysis Plot     
     20130129 143800   19.2      N/A  84.9%  55.55   19.22  90.0 SSMI17 -14.3  -54.7  -13.9  -54.8  -13.9  -54.8 Analysis Plot     
     20130129 161844   45.5  >65 kts 100.0% 111.10   30.52  90.0   TRMM -14.4  -54.5  -14.1  -54.5  -14.1  -54.5 Analysis Plot     
     20130130 014900   63.2  >85 kts 100.0% 111.10   48.18 105.0 SSMI17 -14.9  -53.6  -14.7  -53.6  -14.7  -53.6 Analysis Plot     
     20130130 020400   69.1  >85 kts 100.0% 111.10   54.11 105.0 SSMI16 -14.9  -53.6  -14.8  -53.6  -14.8  -53.6 Analysis Plot     
     20130131 015200    N/A      N/A   N/A     N/A     N/A 105.0 SSMI16 -17.9  -51.8  -17.9  -51.8  -17.9  -51.8 Analysis Plot     
     20130131 044400    0.3      N/A  43.8%  66.66     .29 105.0 SSMI18 -18.3  -51.6  -18.3  -51.4  -18.3  -51.4 Analysis Plot     
     20130131 141100    0.9      N/A  45.2%  55.55     .89  85.0 SSMI17 -19.2  -51.0  -19.4  -51.1  -19.4  -51.1 Analysis Plot     
     20130131 142500    1.0      N/A  39.7% 199.98     .99  85.0 SSMI16 -19.2  -51.0  -19.5  -51.6  -19.5  -51.6 Analysis Plot     
     20130131 171900    N/A      N/A   N/A     N/A     N/A  85.0 SSMI18 -19.6  -51.0  -19.9  -51.2  -19.9  -51.2 Analysis Plot     
     20130201 001557   24.7  >65 kts 100.0%  33.33    9.68  70.0   TRMM -20.6  -50.5  -21.1  -51.0  -21.1  -51.0 Analysis Plot     
     20130201 014000    N/A      N/A   N/A     N/A     N/A  70.0 SSMI16 -20.9  -50.5  -20.9  -50.5  -21.0  -51.1 Analysis Plot     
     20130201 043200   17.0      N/A 100.0%  22.22    2.00  70.0 SSMI18 -21.2  -50.6  -21.2  -50.6  -21.6  -51.4 Analysis Plot     
     20130201 170500    9.5      N/A  43.8% 133.32    9.50  60.0 SSMI18 -22.8  -51.0  -23.2  -51.7  -23.2  -51.7 Analysis Plot     
     20130201 231954    2.7      N/A  30.1% 166.65    2.73  70.0   TRMM -24.6  -51.7  -24.6  -51.7  -24.8  -51.9 Analysis Plot     
     20130202 011947    2.8      N/A  37.0% 177.76    2.82  70.0 SSMI15 -24.7  -51.7  -24.7  -51.7  -25.1  -52.0 Analysis Plot     
     20130202 012800    3.5      N/A  31.5% 222.20    3.46  70.0 SSMI16 -25.0  -51.8  -25.0  -51.8  -25.3  -52.0 Analysis Plot     
     20130202 042100    N/A      N/A   N/A     N/A     N/A  70.0 SSMI18 -25.4  -51.8  -25.4  -51.8  -25.9  -52.1 Analysis Plot     
     20130202 135920    5.3      N/A   5.5% 222.20    5.35  65.0 SSMI15 -27.1  -51.5  -27.1  -51.5  -27.1  -51.1 Analysis Plot     
     20130202 165100    2.0      N/A   8.2% 255.53    2.00  65.0 SSMI18 -27.9  -51.7  -27.9  -51.7  -27.9  -51.6 Analysis Plot     
     20130203 010726   -1.2      N/A   N/A  222.20    1.21  50.0 SSMI15 -29.0  -51.6  -29.0  -51.6  -29.5  -51.9 Analysis Plot     
     20130203 011700   -4.3      N/A   N/A  233.31    4.29  50.0 SSMI16 -29.3  -51.6  -29.3  -51.6  -29.7  -52.1 Analysis Plot     
     20130203 041100   -1.5      N/A   N/A  199.98    1.48  50.0 SSMI18 -29.8  -51.7  -29.8  -51.7  -30.4  -52.2 Analysis Plot     
     20130203 135630    N/A      N/A   N/A     N/A     N/A  40.0 SSMI15 -32.3  -53.4  -32.3  -53.4  -32.1  -53.1 Analysis Plot     
     20130203 151000    N/A      N/A   N/A     N/A     N/A  40.0 SSMI17 -32.8  -53.6  -32.8  -53.6  -32.7  -53.4 Analysis Plot     
     20130203 163700   -1.4      N/A   N/A  277.75    1.44  40.0 SSMI18 -33.1  -53.7  -33.1  -53.7  -33.2  -53.6 Analysis Plot     
     20130203 181255   -0.5      N/A   N/A   33.33     .52  40.0   TRMM -33.5  -54.4  -33.5  -54.4  -33.3  -53.9 Analysis Plot     
     20130203 195045    N/A      N/A   N/A     N/A     N/A  40.0   TRMM -33.8  -54.6  -33.8  -54.6  -33.3  -54.0 Analysis Plot     
     20130204 005138   -0.2      N/A   N/A   22.22     .24  40.0 SSMI15 -34.7  -55.2  -34.7  -55.2  -34.1  -53.9 Analysis Plot     
     20130204 010500    N/A      N/A   N/A     N/A     N/A  40.0 SSMI16 -35.0  -55.5  -35.0  -55.5  -34.5  -54.3 Analysis Plot     
     20130204 035900   -3.2      N/A   N/A  188.87    3.15  40.0 SSMI18 -35.7  -56.0  -35.7  -56.0  -35.5  -56.0 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 <50 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; -909 is a failure to process (bad input data).