Tropical Storm 12L

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              
     20180922 181612    N/A      N/A   N/A     N/A     N/A  35.0 SSMI15   8.4   23.9    8.4   23.9    8.6   23.9 Analysis Plot     
     20180922 192538   -1.1      N/A   N/A  188.87    1.11  35.0 SSMI18   8.4   24.2    8.4   24.2    8.1   24.5 Analysis Plot     
     20180922 200234   -1.9      N/A   N/A   55.55    1.91  35.0 SSMI17   8.5   24.4    8.5   24.4    8.4   24.6 Analysis Plot     
     20180922 230610   -2.0      N/A   2.7%  99.99    2.01  35.0    GMI   8.7   25.3    8.7   25.3    9.3   25.6 Analysis Plot     
     20180923 034222   -3.5      N/A   N/A   44.44    3.46  35.0  AMSR2   9.1   26.7    9.1   26.7    9.1   26.7 Analysis Plot     
     20180923 062422   -2.5      N/A  15.1% 222.20    2.51  35.0 SSMI16   9.1   27.1    9.1   27.1    9.1   26.7 Analysis Plot     
     20180923 084231   -1.6      N/A   N/A  199.98    1.64  35.0 SSMI18   9.1   27.7    9.1   27.7    9.2   27.3 Analysis Plot     
     20180923 091833 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI17   9.1   27.9    9.1   27.9    8.9   27.2 Analysis Plot     
     20180923 183136   -0.5      N/A   N/A   88.88     .46  35.0 SSMI16   9.4   31.0    9.4   31.0    9.4   32.0 Analysis Plot     
     20180924 053015 -930.0      N/A   N/A     N/A    0.00  30.0 SSMI15   9.5   36.5    9.5   36.5    9.0   36.1 Analysis Plot     
     20180923 183136   -0.5      N/A   N/A   88.88     .46  35.0 SSMI16   9.4   31.0    9.4   31.0    9.4   32.0 Analysis Plot     
     20180924 190742   -3.0      N/A  23.3%  44.44    2.98  35.0 SSMI15  10.1   40.3   10.1   40.3   10.2   40.2 Analysis Plot     
     20180924 203458   -0.6      N/A  12.3% 177.76     .64  35.0 SSMI18  10.2   41.1   10.2   41.1    9.6   41.3 Analysis Plot     
     20180924 211041   -2.0      N/A  15.1% 166.65    2.03  35.0 SSMI17  10.2   41.3   10.2   41.3    9.7   41.1 Analysis Plot     
     20180926 064835 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI15  11.7   52.1   11.7   52.1   11.2   52.3 Analysis Plot     
     20180926 101139 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI18  11.8   52.7   11.8   52.7   11.3   52.9 Analysis Plot     
     20180926 124834 -930.0      N/A   N/A     N/A    0.00  40.0    GMI  12.0   53.7   12.0   53.7   12.2   53.1 Analysis Plot     
     20180926 192419 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI16  12.3   55.1   12.3   55.1   12.1   55.8 Analysis Plot     
     20180926 211508   -1.8      N/A   8.2% 222.20    1.76  50.0 SSMI16  12.6   55.5   12.6   55.5   12.1   55.9 Analysis Plot     
     20180926 214833   -3.5      N/A   5.5% 188.87    3.52  50.0 SSMI18  12.7   55.7   12.7   55.7   12.6   56.4 Analysis Plot     
     20180926 233124   -3.5      N/A   2.7% 199.98    3.47  50.0 SSMI18  12.8   56.1   12.8   56.1   12.8   56.5 Analysis Plot     
     20180927 092623  -15.9      N/A 100.0%  22.22     .92  45.0 SSMI16  13.5   58.2   13.5   58.2   13.8   57.2 Analysis Plot     
     20180927 121838   -3.7      N/A  11.1% 211.09    3.74  45.0 SSMI17  13.7   58.8   13.7   58.8   13.5   59.2 Analysis Plot     
     20180927 220921 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI17  14.2   60.3   14.2   60.3   15.0   60.6 Analysis Plot     
     20180927 232252 -930.0      N/A   N/A     N/A    0.00  45.0    GMI  14.3   60.7   15.2   60.2   15.2   60.2 Analysis Plot     
     20180927 235008 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI17  14.3   60.6   14.3   60.6   15.1   60.8 Analysis Plot     
     20180928 091325   -3.1      N/A   6.8% 155.54    3.13  45.0 SSMI16  13.2   62.3   13.2   62.3   13.9   62.1 Analysis Plot     
     20180928 115958   -3.6      N/A  11.0% 222.20    3.60  45.0 SSMI17  13.2   62.8   13.2   62.8   13.7   62.7 Analysis Plot     
     20180928 123910   -2.6      N/A   8.2% 133.32    2.65  45.0    GMI  13.2   63.1   13.2   63.1   13.3   62.6 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.