Tropical Depression 24W


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              
     20131008 204600   -2.8      N/A  26.0% 244.42    2.76  25.0 SSMI16  14.7 -130.6   14.7 -130.6   14.9 -130.6 Analysis Plot     
     20131008 215500 -930.0      N/A   N/A  288.86    7.66  25.0 SSMI17  14.7 -130.5   14.7 -130.5   14.8 -130.2 Analysis Plot     
     20131008 230000   -1.6      N/A  28.8% 133.32    1.58  25.0 SSMI18  14.8 -130.4   14.8 -130.4   14.5 -129.9 Analysis Plot     
     20131009 001157 -930.0      N/A   N/A  299.97    8.63  25.0   TRMM  14.8 -130.3   14.8 -130.3   14.7 -130.7 Analysis Plot     
     20131009 075800   -2.5      N/A  12.3% 122.21    2.49  30.0 SSMI16  14.4 -129.3   14.4 -129.3   14.4 -128.8 Analysis Plot     
     20131009 090500   -2.1      N/A  21.9% 144.43    2.09  30.0 SSMI17  14.5 -129.1   14.5 -129.1   14.2 -128.8 Analysis Plot     
     20131009 150331 -930.0      N/A   N/A  155.54   10.21  35.0   TRMM  14.6 -128.5   14.6 -128.4   14.6 -128.4 Analysis Plot     
     20131009 203200   30.2  >65 kts  94.5% 144.43   15.21  55.0 SSMI16  14.8 -128.1   14.8 -128.1   15.1 -128.3 Analysis Plot     
     20131009 214100    8.2      N/A  56.2%  55.55    8.25  55.0 SSMI17  14.8 -128.0   14.8 -128.0   14.9 -127.9 Analysis Plot     
     20131010 075357   52.4  >65 kts 100.0%  77.77   37.36  60.0 SSMI15  15.3 -127.1   15.3 -127.1   15.4 -126.8 Analysis Plot     
     20131010 085300    9.3      N/A  80.8%  55.55    9.32  65.0 SSMI17  15.3 -126.2   15.3 -126.2   15.4 -126.4 Analysis Plot     
     20131010 114000   -0.0      N/A   N/A     N/A    0.00  65.0 SSMI18  15.4 -125.8   15.4 -125.8   15.5 -126.1 Analysis Plot     
     20131010 154511 -930.0      N/A   N/A  111.10    3.22  75.0   TRMM  16.0 -125.5   15.4 -125.9   15.4 -125.9 Analysis Plot     
     20131010 192527   57.7  >65 kts 100.0%  66.66   42.70  75.0 SSMI15  16.1 -125.0   15.3 -125.1   15.3 -125.1 Analysis Plot     
     20131010 212800   72.0  >85 kts 100.0%  55.55   56.98  85.0 SSMI17  15.6 -124.7   15.3 -124.7   15.3 -124.7 Analysis Plot     
     20131011 091400   53.9  >65 kts 100.0%  99.99   38.93 100.0 SSMI16  15.5 -123.0   15.3 -122.7   15.3 -122.7 Analysis Plot     
     20131011 112900   73.9  >85 kts 100.0%  77.77   58.93 100.0 SSMI18  15.5 -122.5   15.4 -122.3   15.4 -122.3 Analysis Plot     
     20131011 144837   52.0  >65 kts 100.0%  33.33   37.03 105.0   TRMM  15.3 -121.9   15.4 -121.4   15.4 -121.4 Analysis Plot     
     20131011 214900 -930.0      N/A   N/A  199.98    6.15  90.0 SSMI16  15.4 -119.8   15.4 -119.8   15.6 -120.2 Analysis Plot     
     20131012 000500   31.7  >65 kts  94.5%  66.66   16.70  90.0 SSMI18  15.4 -119.1   15.1 -119.2   15.1 -119.2 Analysis Plot     
     20131012 100800    3.3      N/A  56.2%  77.77    3.32  80.0 SSMI17  15.3 -117.3   15.3 -117.2   15.3 -117.2 Analysis Plot     
     20131012 205342    2.9      N/A  47.9%  99.99    2.92  85.0 SSMI15  15.5 -115.2   15.2 -115.1   15.2 -115.1 Analysis Plot     
     20131012 213500   14.3      N/A  52.1%  55.55   14.32  85.0 SSMI16  15.5 -115.0   15.3 -115.0   15.3 -115.0 Analysis Plot     
     20131012 224300   42.8  >65 kts 100.0%  77.77   27.84  85.0 SSMI17  15.5 -114.8   15.2 -114.7   15.2 -114.7 Analysis Plot     
     20131012 234128   21.1  >65 kts  56.2%  77.77   21.09  85.0   TRMM  15.5 -114.8   15.2 -114.6   15.2 -114.6 Analysis Plot     
     20131013 095600   15.2      N/A  57.5%  77.77   15.17  85.0 SSMI17  15.5 -112.9   15.5 -113.0   15.5 -113.0 Analysis Plot     
     20131013 124600   41.9  >65 kts 100.0%  88.88   26.87  85.0 SSMI18  15.5 -112.3   15.4 -112.6   15.4 -112.6 Analysis Plot     
     20131013 143309   16.2      N/A  47.9%  99.99   16.15  85.0   TRMM  15.5 -112.1   15.5 -112.4   15.5 -112.4 Analysis Plot     
     20131013 203845    7.8      N/A  42.5%  66.66    7.76  85.0 SSMI15  15.6 -111.3   15.3 -111.8   15.3 -111.8 Analysis Plot     
     20131013 212300   36.1  >65 kts 100.0%  66.66   21.11  85.0 SSMI16  15.6 -111.1   15.5 -111.7   15.5 -111.7 Analysis Plot     
     20131013 223100   43.1  >65 kts 100.0%  55.55   28.08  85.0 SSMI17  15.6 -111.0   15.5 -111.6   15.5 -111.6 Analysis Plot     
     20131014 123400    5.5      N/A  32.9%  99.99    5.52  80.0 SSMI18  15.8 -109.8   16.2 -110.1   16.2 -110.1 Analysis Plot     
     20131014 232655   12.0      N/A  43.8%  44.44   11.99  75.0   TRMM  16.1 -108.4   15.8 -108.4   15.8 -108.4 Analysis Plot     
     20131015 010900   14.0      N/A  84.9%  88.88   13.99  75.0 SSMI18  16.1 -108.0   15.8 -108.2   15.8 -108.2 Analysis Plot     
     20131015 100300    4.4      N/A   5.5%  77.77    4.35  70.0 SSMI16  15.6 -106.5   15.6 -106.5   15.7 -106.5 Analysis Plot     
     20131015 141822 -930.0      N/A   N/A  277.75    4.63  70.0   TRMM  15.6 -105.7   15.6 -105.7   15.8 -105.6 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.