Tropical Depression 03S


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              
     20131216 204427   -7.6      N/A   N/A   22.22    7.65  35.0   TRMM -15.8  -71.9  -15.8  -71.9  -15.8  -72.1 Analysis Plot     
     20131217 004000 -930.0      N/A   N/A   66.66    7.98  35.0 SSMI16 -15.8  -71.7  -15.8  -71.7  -15.1  -71.1 Analysis Plot     
     20131217 045552 -930.0      N/A   N/A  211.09    4.11  35.0   TRMM -15.8  -71.4  -15.8  -71.4  -15.8  -72.3 Analysis Plot     
     20131217 101123  -22.3      N/A  54.8%  66.66   22.25  35.0 SSMI15 -15.6  -72.0  -15.6  -72.0  -15.9  -71.9 Analysis Plot     
     20131218 002600   -4.7      N/A  46.6%  77.77    4.72  50.0 SSMI16 -16.1  -70.8  -15.9  -71.0  -15.9  -71.0 Analysis Plot     
     20131218 012900   -0.0      N/A   N/A     N/A    0.00  50.0 SSMI17 -16.1  -70.6  -16.1  -70.6  -14.6  -70.4 Analysis Plot     
     20131218 032800  -36.0      N/A 100.0%  77.77   21.04  50.0 SSMI18 -16.2  -70.5  -15.9  -70.9  -15.9  -70.9 Analysis Plot     
     20131218 130200   54.5  >65 kts 100.0%  55.55   39.52  80.0 SSMI16 -16.0  -70.2  -16.7  -70.2  -16.7  -70.2 Analysis Plot     
     20131218 203013   46.5  >65 kts 100.0%  66.66   31.52 100.0   TRMM -16.9  -69.7  -16.9  -69.4  -16.9  -69.4 Analysis Plot     
     20131219 001300   10.4      N/A  67.1%  55.55   10.36 100.0 SSMI16 -17.0  -69.3  -16.9  -69.1  -16.9  -69.1 Analysis Plot     
     20131219 011600   14.3      N/A  67.1%  55.55   14.25 100.0 SSMI17 -17.0  -69.2  -17.0  -68.9  -17.0  -68.9 Analysis Plot     
     20131219 031500   46.4  >65 kts 100.0%  66.66   31.38 100.0 SSMI18 -17.1  -69.0  -17.1  -68.6  -17.1  -68.6 Analysis Plot     
     20131219 044211   16.3      N/A  20.5%  66.66   16.30 100.0   TRMM -17.1  -68.9  -17.1  -68.5  -17.1  -68.5 Analysis Plot     
     20131219 124800   54.3  >65 kts 100.0%  77.77   39.26 105.0 SSMI16 -17.6  -67.4  -17.9  -67.4  -17.9  -67.4 Analysis Plot     
     20131219 135000   48.8  >65 kts 100.0%  66.66   33.83 105.0 SSMI17 -17.7  -67.3  -17.9  -67.3  -17.9  -67.3 Analysis Plot     
     20131219 155000   59.5  >65 kts 100.0%  88.88   44.54 105.0 SSMI18 -17.8  -67.0  -18.0  -66.9  -18.0  -66.9 Analysis Plot     
     20131219 193406   56.4  >65 kts 100.0%  88.88   41.44 105.0   TRMM -18.0  -66.4  -18.0  -66.3  -18.0  -66.3 Analysis Plot     
     20131219 223141   65.4  >85 kts 100.0%  77.77   50.37 105.0 SSMI15 -18.1  -66.0  -18.0  -65.9  -18.0  -65.9 Analysis Plot     
     20131220 000100   71.6  >85 kts 100.0%  77.77   56.63 105.0 SSMI16 -18.2  -65.8  -18.0  -65.9  -18.0  -65.9 Analysis Plot     
     20131220 010300   64.7  >85 kts 100.0%  77.77   49.67 105.0 SSMI17 -18.2  -65.7  -18.0  -65.7  -18.0  -65.7 Analysis Plot     
     20131220 030400   56.0  >65 kts 100.0%  77.77   41.02 105.0 SSMI18 -18.3  -65.5  -18.0  -65.6  -18.0  -65.6 Analysis Plot     
     20131220 034536   47.7  >65 kts 100.0%  77.77   32.69 105.0   TRMM -18.3  -65.5  -18.1  -65.6  -18.1  -65.6 Analysis Plot     
     20131220 123500   50.9  >65 kts 100.0%  55.55   35.86 110.0 SSMI16 -18.6  -64.7  -18.8  -64.8  -18.8  -64.8 Analysis Plot     
     20131220 133700   57.3  >65 kts 100.0%  55.55   42.33 110.0 SSMI17 -18.7  -64.6  -18.9  -64.7  -18.9  -64.7 Analysis Plot     
     20131220 153800   69.2  >85 kts 100.0%  77.77   54.21 110.0 SSMI18 -18.8  -64.5  -19.0  -64.5  -19.0  -64.5 Analysis Plot     
     20131220 201553 -930.0      N/A   N/A   66.66   55.88 115.0   TRMM -19.3  -64.2  -19.5  -64.4  -19.5  -64.4 Analysis Plot     
     20131221 005200 -930.0      N/A   N/A   77.77   66.89 115.0 SSMI17 -19.5  -64.1  -19.7  -64.3  -19.7  -64.3 Analysis Plot     
     20131221 104810   44.7  >65 kts 100.0%  77.77   29.73 130.0 SSMI15 -20.4  -64.5  -20.6  -64.8  -20.6  -64.8 Analysis Plot     
     20131221 122300 -930.0      N/A   N/A   77.77   57.81 130.0 SSMI16 -20.5  -64.6  -20.8  -64.9  -20.8  -64.9 Analysis Plot     
     20131221 132400   65.8  >85 kts 100.0%  77.77   50.75 130.0 SSMI17 -20.6  -64.6  -20.9  -65.1  -20.9  -65.1 Analysis Plot     
     20131221 152600   49.7  >65 kts 100.0%  77.77   34.71 130.0 SSMI18 -20.8  -64.7  -21.2  -65.3  -21.2  -65.3 Analysis Plot     
     20131221 192136   46.3  >65 kts 100.0%  66.66   31.30 120.0   TRMM -21.3  -65.7  -21.5  -65.8  -21.5  -65.8 Analysis Plot     
     20131222 103209    3.8      N/A  12.3% 144.43    3.77  90.0 SSMI15 -22.2  -67.0  -22.2  -67.0  -22.4  -67.3 Analysis Plot     
     20131222 151300    6.8      N/A   N/A  155.54    6.83  90.0 SSMI18 -22.4  -67.2  -22.4  -67.2  -22.5  -67.7 Analysis Plot     
     20131222 182626 -930.0      N/A   N/A  222.20   10.10  60.0   TRMM -22.8  -68.0  -22.8  -68.0  -22.4  -67.7 Analysis Plot     
     20131223 125800 -930.0      N/A   N/A  166.65    3.95  35.0 SSMI17 -22.8  -68.7  -22.8  -68.7  -22.1  -69.2 Analysis Plot     
     20131223 150100 -930.0      N/A   N/A  155.54    1.41  35.0 SSMI18 -22.8  -68.9  -22.8  -68.9  -22.3  -69.1 Analysis Plot     
     20131223 190839 -930.0      N/A   N/A  211.09    3.00  35.0   TRMM -22.8  -69.1  -22.8  -69.1  -23.6  -69.7 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.