Tropical Depression 02W


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              
     20190219 081306   -0.9      N/A   8.2% 144.43     .93  25.0 SSMI18   4.4 -158.0    4.4 -158.0    4.9 -158.4 Analysis Plot     
     20190219 095146   -1.5      N/A  17.6% 155.54    1.55  25.0 SSMI17   4.4 -157.6    4.4 -157.6    5.6 -158.1 Analysis Plot     
     20190219 165401 -930.0      N/A   N/A     N/A    0.00  30.0 SSMI15   4.4 -156.1    4.4 -156.1    4.2 -156.5 Analysis Plot     
     20190219 200435  -17.9      N/A 100.0%  22.22    2.89  35.0 SSMI18   4.6 -155.5    4.6 -155.5    4.2 -154.9 Analysis Plot     
     20190220 055149 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI15   4.8 -153.9    4.8 -153.9    4.5 -153.8 Analysis Plot     
     20190220 054603   -4.4      N/A   2.7% 177.76    4.38  45.0 SSMI16   4.8 -153.9    4.8 -153.9    5.4 -153.6 Analysis Plot     
     20190220 080019   -4.4      N/A   N/A  177.76    4.40  45.0 SSMI16   4.9 -153.5    4.9 -153.5    5.5 -153.6 Analysis Plot     
     20190220 080043 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI17   4.9 -153.4    4.9 -153.4    5.5 -153.0 Analysis Plot     
     20190220 093834 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI17   5.0 -153.1    5.0 -153.1    5.5 -153.0 Analysis Plot     
     20190220 214202    N/A      N/A   N/A     N/A     N/A  60.0 SSMI17   5.9 -150.6    5.9 -150.6    6.0 -150.8 Analysis Plot     
     20190221 052705    N/A      N/A   N/A     N/A     N/A  65.0 SSMI15   6.6 -149.8    6.6 -149.8    6.6 -149.8 Analysis Plot     
     20190221 055446    8.1      N/A  47.9%  44.44    8.09  65.0 SSMI16   6.7 -149.7    6.8 -149.4    6.8 -149.4 Analysis Plot     
     20190221 181509    6.4      N/A  53.4%  44.44    6.42  85.0 SSMI15   7.7 -147.9    7.8 -147.9    7.8 -147.9 Analysis Plot     
     20190221 212914   23.6  >65 kts  27.4%  55.55   23.60  90.0 SSMI17   7.9 -147.7    8.0 -147.5    8.0 -147.5 Analysis Plot     
     20190222 034740    N/A      N/A   N/A     N/A     N/A  95.0  AMSR2   8.5 -146.6    8.5 -146.6    8.7 -146.4 Analysis Plot     
     20190222 111816   16.4      N/A  30.1%  33.33   16.45 100.0 SSMI18   9.4 -145.5    9.5 -145.5    9.5 -145.5 Analysis Plot     
     20190222 175849   10.8      N/A  32.9%  33.33   10.80 105.0 SSMI15  10.4 -144.4   10.1 -144.1   10.1 -144.1 Analysis Plot     
     20190222 190801   34.7  >65 kts  97.3%  33.33   19.67 105.0 SSMI16  10.4 -144.3   10.3 -144.3   10.3 -144.3 Analysis Plot     
     20190222 210535   14.9      N/A  63.0%  33.33   14.87 105.0 SSMI18  10.5 -143.8   10.4 -143.9   10.4 -143.9 Analysis Plot     
     20190223 111436   57.1  >65 kts 100.0%  33.33   42.10 115.0 SSMI17  11.7 -142.9   11.7 -143.0   11.7 -143.0 Analysis Plot     
     20190223 205325   49.4  >65 kts 100.0%  33.33   34.39 135.0 SSMI18  12.5 -142.3   12.5 -142.4   12.5 -142.4 Analysis Plot     
     20190223 225457   46.1  >65 kts 100.0%  22.22   31.06 135.0 SSMI17  12.7 -142.1   12.5 -142.1   12.5 -142.1 Analysis Plot     
     20190224 033713   66.9  >85 kts 100.0%  77.77   51.90 135.0  AMSR2  12.9 -141.9   12.7 -141.7   12.7 -141.7 Analysis Plot     
     20190224 070911   39.5  >65 kts 100.0%  55.55   24.54 135.0 SSMI15  13.0 -141.8   12.9 -141.7   12.9 -141.7 Analysis Plot     
     20190224 110124   41.4  >65 kts 100.0%  55.55   26.39 115.0 SSMI17  13.1 -141.6   12.9 -141.4   12.9 -141.4 Analysis Plot     
     20190224 155153 -930.0      N/A   N/A     N/A    0.00 105.0  AMSR2  13.3 -140.9   13.3 -140.9   13.6 -139.4 Analysis Plot     
     20190224 222828   88.1  >85 kts 100.0%  44.44   73.07 110.0 SSMI17  13.2 -140.6   13.3 -140.5   13.3 -140.5 Analysis Plot     
     20190225 042010    N/A      N/A   N/A     N/A     N/A 115.0  AMSR2  13.7 -140.3   13.7 -140.3   13.7 -140.3 Analysis Plot     
     20190225 065057   74.3  >85 kts 100.0%  44.44   59.30 115.0 SSMI15  13.7 -140.2   13.8 -140.2   13.8 -140.2 Analysis Plot     
     20190225 090157   87.8  >85 kts 100.0%  44.44   72.76 140.0 SSMI18  13.9 -140.1   13.8 -140.1   13.8 -140.1 Analysis Plot     
     20190225 105448   83.9  >85 kts 100.0%  44.44   68.92 140.0 SSMI17  14.0 -140.1   13.9 -140.3   13.9 -140.3 Analysis Plot     
     20190225 142438   91.9  >85 kts 100.0%  44.44   76.95 130.0    GMI  14.4 -140.0   14.3 -140.0   14.3 -140.0 Analysis Plot     
     20190225 163349 -930.0      N/A   N/A     N/A    0.00 130.0  AMSR2  14.5 -139.9   14.2 -139.7   14.2 -139.7 Analysis Plot     
     20190225 180843   70.1  >85 kts 100.0%  55.55   55.06 130.0 SSMI15  14.6 -139.9   14.6 -139.9   14.6 -139.9 Analysis Plot     
     20190225 200215   67.6  >85 kts 100.0%  44.44   52.56 130.0 SSMI16  14.7 -139.9   14.7 -139.9   14.7 -139.9 Analysis Plot     
     20190225 221550   69.6  >85 kts 100.0%  55.55   54.61 130.0 SSMI17  14.8 -139.8   14.8 -139.9   14.8 -139.9 Analysis Plot     
     20190226 063941   67.7  >85 kts 100.0%  44.44   52.71 120.0 SSMI15  15.2 -139.9   15.3 -139.9   15.3 -139.9 Analysis Plot     
     20190226 085014   69.7  >85 kts 100.0%  44.44   54.70 115.0 SSMI18  15.3 -139.8   15.2 -140.0   15.2 -140.0 Analysis Plot     
     20190226 181135    7.4      N/A  75.3%  22.22    7.42 105.0 SSMI15  15.6 -139.4   15.5 -140.1   15.5 -140.1 Analysis Plot     
     20190226 194913   49.0  >65 kts 100.0%  33.33   34.00  95.0 SSMI16  15.6 -140.0   15.6 -140.2   15.6 -140.2 Analysis Plot     
     20190226 221614   44.6  >65 kts 100.0%  44.44   29.57  95.0 SSMI18  15.7 -139.9   15.6 -140.2   15.6 -140.2 Analysis Plot     
     20190227 040810   42.0  >65 kts 100.0%  33.33   27.05  90.0  AMSR2  15.7 -139.7   16.1 -140.1   16.1 -140.1 Analysis Plot     
     20190227 061346   16.7      N/A  41.1%  66.66   16.68  90.0 SSMI16  15.7 -139.7   15.7 -139.7   16.2 -140.2 Analysis Plot     
     20190227 100546    2.2      N/A  37.0%  66.66    2.25  80.0 SSMI18  16.3 -139.4   16.3 -139.4   16.4 -140.1 Analysis Plot     
     20190227 175637 -930.0      N/A   N/A     N/A    0.00  60.0 SSMI15  16.8 -138.2   16.8 -138.2   16.2 -138.6 Analysis Plot     
     20190227 193511    0.7      N/A   N/A  233.31     .67  60.0 SSMI16  16.8 -138.0   16.8 -138.0   17.0 -137.8 Analysis Plot     
     20190227 214337   -1.4      N/A   N/A   33.33    1.41  40.0 SSMI18  17.0 -137.2   17.0 -137.2   17.3 -137.3 Analysis Plot     
     20190228 081226 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI18  17.7 -135.5   17.7 -135.5   18.1 -135.3 Analysis Plot     
     20190228 213109   -1.0      N/A   N/A   33.33     .98  20.0 SSMI18  18.7 -134.5   18.7 -134.5   19.2 -134.8 Analysis Plot     
     20190228 231604 -930.0      N/A   N/A     N/A    0.00  20.0 SSMI17  18.7 -134.4   18.7 -134.4   19.2 -134.6 Analysis Plot     
     20190301 081151   -2.8      N/A   N/A   22.22    2.85  20.0 SSMI15  18.9 -133.8   18.9 -133.8   19.1 -133.7 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.