Tropical Depression 07W

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              
     20140614 090948   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI15  20.7 -117.0   20.7 -117.0   20.8 -116.9 Analysis Plot     
     20140614 180938 -930.0      N/A   N/A  222.20  1281.5  40.0   TRMM  21.6 -116.9   21.6 -116.9   21.5 -117.1 Analysis Plot     
     20140614 203346   -2.1      N/A  26.0% 144.43    2.13  40.0 SSMI15  21.5 -116.9   21.5 -116.9   21.8 -116.5 Analysis Plot     
     20140614 210000   -2.8      N/A   N/A  111.10    2.80  40.0 SSMI16  21.6 -116.9   21.6 -116.9   22.0 -116.7 Analysis Plot     
     20140615 082815   -5.3      N/A   N/A   66.66    5.34  40.0 SSMI15  22.8 -116.9   22.8 -116.9   23.1 -116.5 Analysis Plot     
     20140615 114000   -9.1      N/A   4.1%  77.77    9.13  40.0 SSMI18  23.5 -116.9   23.5 -116.9   23.4 -116.5 Analysis Plot     
     20140615 171338 -930.0      N/A   N/A  277.75  1284.1  35.0   TRMM  24.0 -116.5   24.0 -116.5   24.1 -116.8 Analysis Plot     
     20140615 195937   -0.7      N/A   6.8% 155.54     .68  35.0 SSMI15  24.2 -116.5   24.2 -116.5   24.2 -116.3 Analysis Plot     
     20140615 204700 -930.0      N/A   N/A  333.30  1285.2  35.0 SSMI16  24.4 -116.5   24.4 -116.5   24.2 -115.4 Analysis Plot     
     20140616 001100   -0.0      N/A   N/A     N/A    0.00  35.0 SSMI18  24.7 -116.5   24.7 -116.5   25.1 -116.3 Analysis Plot     
     20140616 203200   -0.3      N/A  28.8% 144.43     .32  25.0 SSMI16  27.3 -121.6   27.3 -121.6   27.0 -121.0 Analysis Plot     
     20140616 235800 -930.0      N/A   N/A  144.43  1274.1  25.0 SSMI18  27.9 -122.9   27.9 -122.9   27.0 -121.9 Analysis Plot     
     20140617 081144   -8.3      N/A   N/A   33.33    8.28  25.0 SSMI15  28.9 -125.5   28.9 -125.5   28.4 -126.3 Analysis Plot     
     20140617 083800   -0.4      N/A   N/A   44.44     .44  30.0 SSMI17  28.9 -127.4   28.9 -127.4   28.9 -127.6 Analysis Plot     
     20140617 111700   -2.7      N/A  37.0%  44.44    2.70  30.0 SSMI18  29.4 -129.1   29.4 -129.1   28.8 -129.5 Analysis Plot     
     20140617 152440   -6.4      N/A  61.6%  66.66    6.42  30.0   TRMM  29.7 -132.0   29.7 -132.0   29.5 -132.7 Analysis Plot     
     20140618 082400   -0.8      N/A   N/A  222.20     .81  30.0 SSMI17  30.5 -142.5   30.5 -142.5   29.9 -141.9 Analysis Plot     
     20140618 093802   -0.6      N/A   N/A   22.22     .60  30.0   TRMM  30.7 -143.4   30.7 -143.4   30.5 -142.9 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.