Tropical Depression 02E

Passive Microwave (PMW) Intensity Information
Hurricane Intensity Estimation (HIE) Algorithm
Version 9.0


         Overpass     Inten           Ring    Ring          Wind           Forecast        Final        Target  
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est   Sat    Lat    Lon    Lat    Lon    Lat    Lon              
     20210530 225850   -0.9      N/A   N/A   55.55     .92  30.0 SSMI16  11.4  104.0   11.4  104.0   10.8  103.1 Analysis Plot     
     20210531 004211    N/A      N/A   N/A     N/A     N/A  30.0 SSMI16  11.5  104.2   11.5  104.2   11.5  104.2 Analysis Plot     
     20210531 030546   -1.7      N/A   N/A   77.77    1.74  30.0 SSMI17  11.7  105.1   11.7  105.1   11.2  106.0 Analysis Plot     
     20210531 125104 -930.0      N/A   N/A     N/A    0.00  30.0 SSMI16  12.4  107.1   12.4  107.1   12.5  106.3 Analysis Plot     
     20210531 151455   -0.3      N/A   N/A   44.44     .29  30.0 SSMI17  12.4  107.6   12.4  107.6   12.0  108.7 Analysis Plot     
     20210531 234638  -11.8      N/A   N/A   33.33   11.85  35.0 SSMI18  13.6  109.2   13.6  109.2   13.6  109.1 Analysis Plot     
     20210601 012925  -10.1      N/A   5.5%  55.55   10.12  35.0 SSMI18  13.8  109.4   13.8  109.4   13.6  109.1 Analysis Plot     
     20210601 123800 -930.0      N/A   N/A     N/A    0.00  50.0 SSMI16  14.3  109.8   14.3  109.8   14.2  109.8 Analysis Plot     
     20210601 133156   -1.5      N/A   9.6% 111.10    1.53  50.0 SSMI18  14.4  109.9   14.4  109.9   14.3  109.9 Analysis Plot     
     20210601 150142   -2.4      N/A   5.5% 177.76    2.38  50.0 SSMI17  14.4  110.1   14.4  110.1   14.1  110.0 Analysis Plot     
     20210601 203051   -6.9      N/A  17.8% 166.65    6.93  45.0  AMSR2  14.7  110.8   14.7  110.8   14.7  110.9 Analysis Plot     
     20210601 233412 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI18  14.7  111.0   14.7  111.0   14.3  111.6 Analysis Plot     
     20210602 011754    N/A      N/A   N/A     N/A     N/A  45.0 SSMI18  14.8  111.2   14.8  111.2   14.1  111.1 Analysis Plot     
     20210602 045240    N/A      N/A   N/A     N/A     N/A  45.0    GMI  14.9  111.7   14.9  111.7   14.8  111.1 Analysis Plot     
     20210602 084447 -930.0      N/A   N/A     N/A    0.00  40.0  AMSR2  15.0  112.0   15.0  112.0   15.4  112.4 Analysis Plot     
     20210602 131951   -1.7      N/A   N/A  222.20    1.70  40.0 SSMI18  15.1  112.2   15.1  112.2   15.2  112.3 Analysis Plot     
     20210602 211405   -0.9      N/A   N/A   66.66     .91  30.0  AMSR2  15.5  112.8   15.5  112.8   15.4  113.0 Analysis Plot     
     20210603 001024   -1.6      N/A   N/A   11.11    1.61  30.0 SSMI16  15.5  113.0   15.5  113.0   15.4  113.3 Analysis Plot     
     20210603 010426   -0.9      N/A   N/A   22.22     .88  30.0 SSMI18  15.5  113.0   15.5  113.0   15.4  113.0 Analysis Plot     
     20210603 022422 -930.0      N/A   N/A     N/A    0.00  30.0 SSMI17  15.5  113.1   15.5  113.1   15.4  113.4 Analysis Plot     
     20210603 040327   -1.5      N/A   N/A  222.20    1.46  30.0 SSMI17  15.4  113.2   15.4  113.2   15.6  113.5 Analysis Plot     
     20210603 092649 -930.0      N/A   N/A     N/A    0.00  30.0  AMSR2  15.6  113.6   15.6  113.6   15.4  113.4 Analysis Plot     
     20210603 132103   -1.7      N/A  28.8% 155.54    1.74  30.0 SSMI18  15.6  113.8   15.6  113.8   15.7  113.3 Analysis Plot     
     20210603 140113   -1.5      N/A  26.0% 188.87    1.49  30.0 SSMI16  15.6  113.8   15.6  113.8   15.4  113.3 Analysis Plot     
     20210603 235723   -1.2      N/A   N/A  222.20    1.17  30.0 SSMI16  15.5  114.5   15.5  114.5   15.6  114.2 Analysis Plot     
     20210604 021128   -3.5      N/A   N/A  122.21    3.50  30.0 SSMI17  15.5  114.8   15.5  114.8   15.6  114.6 Analysis Plot     
     20210604 040850   -3.5      N/A   N/A  122.21    3.48  25.0 SSMI17  15.7  114.6   15.7  114.6   15.6  114.6 Analysis Plot     
     20210604 044300   -3.9      N/A   N/A   22.22    3.93  25.0    GMI  15.7  114.8   15.7  114.8   16.0  114.8 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.