Tropical Depression 02A


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              
     20190610 141301    N/A      N/A   N/A     N/A     N/A  35.0 SSMI17  13.5  -70.8   13.5  -70.8   13.6  -70.5 Analysis Plot     
     20190610 225936   -2.7      N/A   N/A   33.33    2.70  45.0 SSMI15  14.4  -70.7   14.4  -70.7   14.4  -70.0 Analysis Plot     
     20190611 001545    N/A      N/A   N/A     N/A     N/A  45.0 SSMI16  14.5  -70.7   14.5  -70.7   14.4  -70.6 Analysis Plot     
     20190611 012947   -4.9      N/A   N/A   33.33    4.87  50.0 SSMI18  14.8  -70.6   14.8  -70.6   14.9  -70.9 Analysis Plot     
     20190611 033159  -11.3      N/A  47.9%  33.33   11.33  50.0 SSMI17  15.1  -70.6   15.1  -70.6   14.7  -70.6 Analysis Plot     
     20190611 081706   35.1  >65 kts 100.0%  22.22   20.06  55.0  AMSR2  15.4  -70.9   15.6  -71.0   15.6  -71.0 Analysis Plot     
     20190611 135945   38.5  >65 kts 100.0%  33.33   23.50  65.0 SSMI17  16.1  -70.8   16.4  -70.9   16.4  -70.9 Analysis Plot     
     20190612 000230   31.3  >65 kts 100.0%  22.22   16.30  75.0 SSMI16  17.8  -70.7   17.7  -70.4   17.7  -70.4 Analysis Plot     
     20190612 031826    0.6      N/A  82.2%  11.11     .61  85.0 SSMI17  18.1  -70.2   17.8  -70.0   17.8  -70.0 Analysis Plot     
     20190612 135700    N/A      N/A   N/A     N/A     N/A  90.0 SSMI17  19.2  -69.8   18.9  -69.7   18.9  -69.7 Analysis Plot     
     20190612 211114   17.4      N/A  61.6%  11.11   17.38  85.0  AMSR2  19.9  -69.3   19.8  -69.6   19.8  -69.6 Analysis Plot     
     20190613 030406    N/A      N/A   N/A     N/A     N/A  85.0 SSMI17  20.4  -69.2   20.6  -69.3   20.6  -69.3 Analysis Plot     
     20190613 120747    N/A      N/A   N/A     N/A     N/A  90.0 SSMI16  20.7  -69.0   20.7  -69.0   20.7  -69.0 Analysis Plot     
     20190613 124712   39.0  >65 kts 100.0%  33.33   23.98  90.0 SSMI15  20.6  -69.1   20.7  -69.1   20.7  -69.1 Analysis Plot     
     20190613 132231   42.7  >65 kts 100.0%  44.44   27.75  90.0 SSMI18  20.7  -69.0   20.7  -69.0   20.7  -69.0 Analysis Plot     
     20190613 134259   15.4      N/A  61.6%  44.44   15.36  90.0 SSMI17  20.7  -69.0   20.8  -69.1   20.8  -69.1 Analysis Plot     
     20190613 234803    N/A      N/A   N/A     N/A     N/A  95.0 SSMI15  20.8  -68.5   20.7  -68.4   20.7  -68.4 Analysis Plot     
     20190614 023219    3.9      N/A  11.0%  77.77    3.87  90.0 SSMI18  20.9  -68.4   21.0  -68.5   21.0  -68.5 Analysis Plot     
     20190614 025018    5.6      N/A  30.1%  66.66    5.56  90.0 SSMI17  20.9  -68.4   21.0  -68.5   21.0  -68.5 Analysis Plot     
     20190614 084834   16.4      N/A  35.6% 133.32   16.45  85.0  AMSR2  20.8  -68.0   20.7  -68.3   20.7  -68.3 Analysis Plot     
     20190614 120347   10.1      N/A  24.7%  88.88   10.07  85.0 SSMI15  20.8  -68.0   20.8  -68.2   20.8  -68.2 Analysis Plot     
     20190614 130235    8.6      N/A   N/A   77.77    8.64  85.0 SSMI18  20.8  -67.8   20.7  -68.3   20.7  -68.3 Analysis Plot     
     20190614 205902   26.9  >65 kts  45.2%  88.88   26.86  75.0  AMSR2  20.7  -67.9   20.6  -67.6   20.6  -67.6 Analysis Plot     
     20190614 233147   19.6      N/A  20.5% 111.10   19.57  75.0 SSMI15  20.7  -67.8   20.5  -67.4   20.5  -67.4 Analysis Plot     
     20190615 010458   50.3  >65 kts 100.0% 111.10   35.31  75.0 SSMI16  20.7  -67.7   20.6  -67.4   20.6  -67.4 Analysis Plot     
     20190615 022042   54.5  >65 kts 100.0% 122.21   39.49  80.0 SSMI18  20.7  -67.3   20.6  -67.3   20.6  -67.3 Analysis Plot     
     20190615 112334 -930.0      N/A   N/A     N/A    0.00  75.0 SSMI15  20.6  -67.0   20.6  -67.0   20.6  -66.6 Analysis Plot     
     20190615 114155    7.5      N/A  20.5%  77.77    7.49  75.0 SSMI16  20.6  -66.9   20.6  -66.9   20.5  -66.5 Analysis Plot     
     20190615 125000    4.9      N/A  12.3% 122.21    4.94  75.0 SSMI18  20.6  -66.8   20.6  -66.8   20.6  -66.3 Analysis Plot     
     20190615 144715 -930.0      N/A   N/A     N/A    0.00  70.0 SSMI17  20.8  -66.3   20.8  -66.3   21.0  -66.2 Analysis Plot     
     20190615 231737 -930.0      N/A   N/A     N/A    0.00  60.0 SSMI15  20.7  -65.7   20.7  -65.7   20.6  -65.2 Analysis Plot     
     20190616 005153    N/A      N/A   N/A     N/A     N/A  60.0 SSMI16  20.6  -65.7   20.6  -65.7   20.5  -64.9 Analysis Plot     
     20190616 020850    2.2      N/A  28.8% 122.21    2.23  55.0 SSMI18  21.1  -65.3   21.1  -65.3   20.5  -64.9 Analysis Plot     
     20190616 112525    4.4      N/A  16.4% 211.09    4.37  55.0 SSMI16  20.9  -65.9   20.9  -65.9   20.6  -65.3 Analysis Plot     
     20190616 123709    4.2      N/A   N/A  222.20    4.23  55.0 SSMI18  20.9  -66.0   20.9  -66.0   20.6  -65.9 Analysis Plot     
     20190616 143354   -4.8      N/A   6.8% 211.09    4.80  40.0 SSMI17  20.6  -65.4   20.6  -65.4   20.5  -65.5 Analysis Plot     
     20190617 003844   -2.0      N/A   N/A   55.55    2.01  35.0 SSMI16  21.1  -66.7   21.1  -66.7   21.8  -66.5 Analysis Plot     
     20190617 015620   -1.6      N/A   N/A   44.44    1.62  35.0 SSMI18  21.9  -66.9   21.9  -66.9   22.3  -67.0 Analysis Plot     
     20190617 035013 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI17  22.1  -67.1   22.1  -67.1   22.0  -68.3 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.