Tropical Depression 15S


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              
     20160315 193900  -55.6      N/A 100.0%  44.44   40.64  40.0  AMSR2 -11.2  -85.8  -11.1  -85.7  -11.1  -85.7 Analysis Plot     
     20160316 003200  -15.0      N/A  84.9%  44.44   15.03  40.0 SSMI17 -11.2  -85.7  -10.9  -85.4  -10.9  -85.4 Analysis Plot     
     20160316 075440   53.7  >65 kts 100.0%  22.22   38.66  55.0  AMSR2 -10.7  -84.8  -10.8  -84.8  -10.8  -84.8 Analysis Plot     
     20160316 131100   35.9  >65 kts 100.0%  11.11   20.87  55.0 SSMI17 -10.6  -84.6  -10.6  -84.6  -10.7  -84.6 Analysis Plot     
     20160316 212133 -930.0      N/A   N/A     N/A    0.00  90.0    GMI -10.6  -84.2  -10.5  -84.1  -10.5  -84.1 Analysis Plot     
     20160316 212141 -930.0      N/A   N/A     N/A    0.00  90.0    GMI -10.6  -84.2  -10.6  -84.2  -10.6  -84.4 Analysis Plot     
     20160317 001900   49.4  >65 kts 100.0%  22.22   34.39  90.0 SSMI17 -10.6  -84.1  -10.3  -84.3  -10.3  -84.3 Analysis Plot     
     20160317 014200   69.2  >85 kts 100.0%  22.22   54.21  90.0 SSMI18 -10.6  -84.1  -10.4  -84.2  -10.4  -84.2 Analysis Plot     
     20160317 085037   75.3  >85 kts 100.0%  22.22   60.27 125.0    GMI -10.4  -84.0  -10.6  -83.9  -10.6  -83.9 Analysis Plot     
     20160317 125700   30.4  >65 kts  90.4%  22.22   15.42 125.0 SSMI17 -10.4  -83.9  -10.8  -83.9  -10.8  -83.9 Analysis Plot     
     20160317 192721   43.6  >65 kts 100.0%  33.33   28.60 115.0  AMSR2 -10.5  -83.9  -10.3  -83.9  -10.3  -83.9 Analysis Plot     
     20160317 214909    4.9      N/A   N/A  177.76    4.87 115.0 SSMI15 -10.5  -83.9  -10.5  -83.7  -10.5  -83.7 Analysis Plot     
     20160317 234500   -0.0      N/A   N/A     N/A    0.00 115.0 SSMI16 -10.5  -83.9  -10.5  -83.7  -10.5  -83.7 Analysis Plot     
     20160318 000700    5.1      N/A   3.0% 166.65    5.14 115.0 SSMI17 -10.6  -84.0  -10.4  -84.0  -10.4  -84.0 Analysis Plot     
     20160318 012900    0.5      N/A   N/A  155.54     .48 115.0 SSMI18 -10.6  -84.0  -10.3  -83.9  -10.3  -83.9 Analysis Plot     
     20160318 075833 -930.0      N/A   N/A     N/A    0.00  85.0    GMI -10.1  -84.6  -10.4  -85.2  -10.4  -85.2 Analysis Plot     
     20160318 124400   -0.0      N/A   N/A     N/A    0.00  85.0 SSMI17 -10.1  -84.9  -10.3  -85.2  -10.3  -85.2 Analysis Plot     
     20160318 213233   -0.0      N/A   N/A     N/A    0.00  60.0 SSMI15 -10.3  -86.1  -10.3  -86.1  -10.4  -86.3 Analysis Plot     
     20160318 234100   15.7      N/A 100.0%  11.11     .75  60.0 SSMI16 -10.3  -86.2  -10.5  -86.5  -10.5  -86.5 Analysis Plot     
     20160318 235300 -930.0      N/A   N/A     N/A    0.00  60.0 SSMI17 -10.4  -86.3  -10.4  -86.3  -10.6  -86.8 Analysis Plot     
     20160319 011700   21.0  >65 kts  89.0%  77.77    5.99  60.0 SSMI18 -10.4  -86.4  -10.4  -86.5  -10.4  -86.5 Analysis Plot     
     20160319 123100   50.5  >65 kts 100.0%  55.55   35.46  70.0 SSMI17 -10.7  -87.1  -10.7  -87.3  -10.7  -87.3 Analysis Plot     
     20160319 135600 -930.0      N/A   N/A     N/A    0.00  70.0 SSMI18 -10.7  -87.1  -11.2  -87.1  -11.2  -87.1 Analysis Plot     
     20160319 201906    2.2      N/A  72.6%  33.33    2.20  75.0    GMI -10.9  -87.4  -10.9  -87.5  -10.9  -87.5 Analysis Plot     
     20160319 211707   34.5  >65 kts  98.6%  33.33   19.49  75.0 SSMI15 -10.9  -87.4  -10.9  -87.4  -10.9  -87.4 Analysis Plot     
     20160319 232700    5.8      N/A  57.5%  33.33    5.78  75.0 SSMI16 -10.9  -87.4  -10.8  -87.4  -10.8  -87.4 Analysis Plot     
     20160320 010500   32.2  >65 kts  97.3%  66.66   17.17  75.0 SSMI18 -11.0  -87.4  -10.6  -87.5  -10.6  -87.5 Analysis Plot     
     20160320 073027    8.3      N/A  52.1%  33.33    8.30  70.0  AMSR2 -11.0  -87.4  -11.0  -87.3  -11.0  -87.3 Analysis Plot     
     20160320 104253   -0.0      N/A   N/A     N/A    0.00  70.0 SSMI15 -11.1  -87.4  -11.1  -87.4  -11.0  -87.3 Analysis Plot     
     20160320 121700   -0.0      N/A   N/A     N/A    0.00  70.0 SSMI17 -11.2  -87.3  -11.4  -87.3  -11.4  -87.3 Analysis Plot     
     20160320 134300   -0.0      N/A   N/A     N/A    0.00  70.0 SSMI18 -11.2  -87.3  -11.7  -87.2  -11.7  -87.2 Analysis Plot     
     20160320 212120   -0.0      N/A   N/A     N/A    0.00  60.0 SSMI15 -11.2  -86.9  -11.2  -86.9  -11.9  -86.4 Analysis Plot     
     20160320 222100 -920.0      N/A 100.0%  33.33     .25  60.0 SSMI16 -11.2  -86.9  -11.2  -86.9  -11.9  -86.2 Analysis Plot     
     20160321 005300 -920.0      N/A 100.0%  22.22    1.05  60.0 SSMI18 -11.4  -86.6  -11.4  -86.6  -12.1  -86.2 Analysis Plot     
     20160321 065523 -930.0      N/A   N/A     N/A    0.00  60.0    GMI -11.6  -86.1  -11.6  -86.1  -11.2  -87.0 Analysis Plot     
     20160321 081312   -0.0      N/A   N/A     N/A    0.00  55.0  AMSR2 -11.8  -85.9  -11.8  -85.9  -12.8  -86.0 Analysis Plot     
     20160321 102604    0.4      N/A   5.5% 111.10     .37  55.0 SSMI15 -11.8  -85.8  -11.8  -85.8  -12.5  -85.7 Analysis Plot     
     20160321 133000   -0.0      N/A   N/A     N/A    0.00  55.0 SSMI18 -11.9  -85.4  -11.9  -85.4  -13.1  -85.4 Analysis Plot     
     20160322 005500   -4.6      N/A   N/A   55.55    4.56  35.0 SSMI17 -12.6  -85.2  -12.6  -85.2  -12.0  -86.1 Analysis Plot     
     20160322 094920   -1.6      N/A   N/A   22.22    1.61  30.0 SSMI15 -11.0  -86.0  -11.0  -86.0  -11.0  -85.9 Analysis Plot     
     20160322 110300   -0.8      N/A   N/A   44.44     .81  30.0 SSMI16 -11.0  -85.8  -11.0  -85.8  -10.9  -85.5 Analysis Plot     
     20160322 131800   -3.0      N/A   N/A  222.20    2.98  30.0 SSMI18 -10.9  -85.6  -10.9  -85.6  -11.0  -85.5 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.