Tropical Depression 05S

Passive Microwave (PMW) Intensity Information
Advanced Dvorak Technique
Version 9.1
 

         Overpass     Inten           Ring    Ring          Wind              Forecast        Final 
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est      Sat    Lat    Lon    Lat    Lon              
     20221228 141844    N/A      N/A   N/A     N/A     N/A  55.0  SSMISF17 -21.8   75.0  -22.0   75.8 Analysis Plot     
     20221228 234251    N/A      N/A   N/A     N/A     N/A  55.0  SSMISF18 -22.7   73.7  -23.1   73.9 Analysis Plot     
     20221229 015407    N/A      N/A   N/A     N/A     N/A  55.0  SSMISF17 -23.0   73.3  -23.5   73.8 Analysis Plot     
     20221229 042723    N/A      N/A   N/A     N/A     N/A  55.0       GMI -23.1   72.8  -23.1   72.8 Analysis Plot     
     20221229 084834   3.48      N/A  0.14%  90.06    3.48  55.0     AMSR2 -24.1   71.8  -24.2   72.3 Analysis Plot     
     20221229 115419   0.72      N/A  0.10% 134.53    0.72  55.0  SSMISF18 -24.4   71.4  -24.8   72.1 Analysis Plot     
     20221229 140515    N/A      N/A   N/A     N/A     N/A  50.0  SSMISF17 -24.9   71.1  -25.2   72.0 Analysis Plot     
     20221229 174742    N/A      N/A   N/A     N/A     N/A  50.0       GMI -25.5   70.6  -25.9   71.4 Analysis Plot     
     20221229 232954    N/A      N/A   N/A     N/A     N/A  50.0  SSMISF18 -26.4   69.8  -26.9   71.0 Analysis Plot     
     20221230 014206    N/A      N/A   N/A     N/A     N/A  45.0  SSMISF17 -26.4   70.0  -27.2   70.2 Analysis Plot     
     20221230 114140    N/A      N/A   N/A     N/A     N/A  45.0  SSMISF18 -28.0   69.0  -28.0   69.0 Analysis Plot     
     20221230 135643  -0.62      N/A   N/A  179.01    0.62  45.0  SSMISF16 -28.7   69.0  -28.7   69.0 Analysis Plot     
     20221230 231702    N/A      N/A   N/A     N/A     N/A  45.0  SSMISF18 -30.3   68.4  -31.1   69.1 Analysis Plot     
     20221231 013155    N/A      N/A   N/A     N/A     N/A  40.0  SSMISF16 -30.7   68.3  -30.3   68.4 Analysis Plot     
     20230101 011846  -0.33      N/A   N/A  134.53    0.33  30.0  SSMISF16 -34.7   70.2  -34.7   70.2 Analysis Plot     
     20230101 032136    N/A      N/A   N/A     N/A     N/A  30.0       GMI -34.7   70.2  -34.8   70.2 Analysis Plot     
     20230101 133047    N/A      N/A   N/A     N/A     N/A  25.0  SSMISF16 -37.2   73.8  -37.8   75.2 Analysis Plot     
     20230101 151256    N/A      N/A   N/A     N/A     N/A  25.0  SSMISF17 -37.2   73.8  -37.3   74.2 Analysis Plot     
     20230101 225307    N/A      N/A   N/A     N/A     N/A  25.0  SSMISF18 -37.2   73.8  -38.0   72.5 Analysis Plot     
     20230102 010759    N/A      N/A   N/A     N/A     N/A  25.0  SSMISF16 -37.2   73.8  -36.3   72.2 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.