Tropical Depression 22S


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              
     20190322 013312   -7.0      N/A   N/A   55.55    7.04  35.0 SSMI18 -14.6  -62.5  -14.6  -62.5  -14.5  -63.1 Analysis Plot     
     20190322 135729    N/A      N/A   N/A     N/A     N/A  40.0 SSMI18 -15.1  -62.4  -15.1  -62.4  -15.2  -62.7 Analysis Plot     
     20190322 151046  -11.2      N/A  41.1% 111.10   11.21  40.0 SSMI17 -15.2  -62.3  -15.2  -62.3  -15.3  -62.7 Analysis Plot     
     20190323 004843   -7.0      N/A   8.2% 166.65    7.03  45.0 SSMI16 -15.8  -62.1  -15.8  -62.1  -15.9  -62.4 Analysis Plot     
     20190323 024722    9.3      N/A  12.3% 111.10    9.35  55.0 SSMI17 -16.1  -62.2  -16.1  -62.2  -16.1  -62.4 Analysis Plot     
     20190323 125216   14.4      N/A  21.9% 133.32   14.37  55.0 SSMI16 -16.5  -62.1  -16.5  -61.9  -16.5  -61.9 Analysis Plot     
     20190323 133134    7.5      N/A  27.4% 122.21    7.48  55.0 SSMI18 -16.5  -62.1  -16.3  -62.1  -16.3  -62.1 Analysis Plot     
     20190323 145650    N/A      N/A   N/A     N/A     N/A  60.0 SSMI17 -16.8  -61.6  -16.8  -61.6  -16.9  -62.4 Analysis Plot     
     20190323 234518   24.3  >65 kts  50.7% 111.10   24.29  65.0    GMI -17.0  -61.8  -16.9  -61.7  -16.9  -61.7 Analysis Plot     
     20190324 000244   27.6  >65 kts  41.1% 111.10   27.58  65.0 SSMI15 -17.0  -61.8  -16.9  -61.6  -16.9  -61.6 Analysis Plot     
     20190324 003528   16.9      N/A  32.9%  77.77   16.89  65.0 SSMI16 -17.0  -61.8  -16.9  -61.8  -16.9  -61.8 Analysis Plot     
     20190324 123907   44.8  >65 kts 100.0%  77.77   29.79  80.0 SSMI16 -17.1  -61.6  -17.3  -61.9  -17.3  -61.9 Analysis Plot     
     20190324 144412   43.5  >65 kts 100.0%  99.99   28.48  85.0 SSMI17 -17.2  -61.8  -17.3  -62.0  -17.3  -62.0 Analysis Plot     
     20190325 000732    7.4      N/A  32.9%  66.66    7.40  95.0 SSMI15 -17.5  -62.0  -17.4  -62.2  -17.4  -62.2 Analysis Plot     
     20190325 093241   21.8  >65 kts  42.5%  99.99   21.84 100.0  AMSR2 -18.0  -62.7  -18.2  -62.8  -18.2  -62.8 Analysis Plot     
     20190325 125621   25.7  >65 kts  45.2%  77.77   25.72 100.0 SSMI15 -18.1  -62.8  -18.1  -63.0  -18.1  -63.0 Analysis Plot     
     20190325 142559 -930.0      N/A   N/A     N/A    0.00 105.0 SSMI17 -18.4  -63.0  -18.3  -63.2  -18.3  -63.2 Analysis Plot     
     20190325 233125   48.9  >65 kts 100.0%  66.66   33.94 105.0 SSMI15 -18.8  -63.4  -18.8  -63.7  -18.8  -63.7 Analysis Plot     
     20190326 000911   43.9  >65 kts 100.0%  66.66   28.86 105.0 SSMI16 -18.9  -63.4  -18.8  -63.8  -18.8  -63.8 Analysis Plot     
     20190326 022545 -930.0      N/A   N/A     N/A    0.00 110.0 SSMI18 -19.2  -63.8  -19.2  -63.8  -19.0  -64.1 Analysis Plot     
     20190326 122548   42.2  >65 kts 100.0%  55.55   27.25 110.0 SSMI15 -19.4  -64.5  -19.3  -65.0  -19.3  -65.0 Analysis Plot     
     20190326 122838   24.6  >65 kts  75.3%  55.55   24.60 110.0 SSMI16 -19.4  -64.6  -19.6  -65.0  -19.6  -65.0 Analysis Plot     
     20190326 224328   26.4  >65 kts  53.4%  66.66   26.40 115.0    GMI -20.0  -65.8  -20.1  -65.9  -20.1  -65.9 Analysis Plot     
     20190326 231616   16.6      N/A  52.1%  66.66   16.61 115.0 SSMI15 -19.9  -65.8  -20.1  -65.9  -20.1  -65.9 Analysis Plot     
     20190327 091941   23.6  >65 kts  63.0%  55.55   23.61 110.0  AMSR2 -20.3  -66.5  -20.3  -66.7  -20.3  -66.7 Analysis Plot     
     20190327 121118   23.4  >65 kts  53.4%  44.44   23.37 110.0 SSMI16 -20.4  -66.6  -20.5  -66.9  -20.5  -66.9 Analysis Plot     
     20190327 124538   24.3  >65 kts  39.7%  66.66   24.28 110.0 SSMI15 -20.3  -66.6  -20.2  -66.8  -20.2  -66.8 Analysis Plot     
     20190327 215112   49.4  >65 kts 100.0%  66.66   34.37 115.0    GMI -20.6  -67.0  -20.6  -67.2  -20.6  -67.2 Analysis Plot     
     20190327 225843   46.9  >65 kts 100.0%  66.66   31.87 115.0 SSMI15 -20.6  -67.0  -20.6  -67.2  -20.6  -67.2 Analysis Plot     
     20190327 234511   49.6  >65 kts 100.0%  66.66   34.62 115.0 SSMI16 -20.7  -67.0  -20.6  -67.3  -20.6  -67.3 Analysis Plot     
     20190328 015946   47.8  >65 kts 100.0%  66.66   32.75 115.0 SSMI18 -20.7  -67.2  -20.8  -67.4  -20.8  -67.4 Analysis Plot     
     20190328 122939    3.7      N/A  17.8% 199.98    3.68 115.0 SSMI15 -21.3  -67.4  -21.8  -67.8  -21.8  -67.8 Analysis Plot     
     20190328 140418 -920.0      N/A 100.0%  11.11     .14 115.0 SSMI18 -21.6  -67.7  -22.2  -68.0  -22.2  -68.0 Analysis Plot     
     20190328 224520   18.9      N/A 100.0%  66.66    3.89 100.0 SSMI15 -22.3  -67.8  -22.6  -68.8  -22.6  -68.8 Analysis Plot     
     20190328 233202    0.9      N/A  46.6% 166.65     .87 100.0 SSMI16 -22.3  -67.8  -22.7  -68.8  -22.7  -68.8 Analysis Plot     
     20190329 014657    N/A      N/A   N/A     N/A     N/A  85.0 SSMI18 -22.5  -67.7  -23.3  -68.8  -23.3  -68.8 Analysis Plot     
     20190329 030852 -930.0      N/A   N/A     N/A    0.00  85.0 SSMI17 -22.5  -67.7  -23.6  -68.5  -23.6  -68.5 Analysis Plot     
     20190329 090640    3.6      N/A  35.6%  66.66    3.56  70.0  AMSR2 -23.2  -68.0  -23.5  -68.2  -23.5  -68.2 Analysis Plot     
     20190329 113414    6.6      N/A  32.9%  88.88    6.63  70.0 SSMI16 -23.3  -68.0  -23.3  -68.0  -23.8  -68.7 Analysis Plot     
     20190329 135239    2.3      N/A  52.1%  44.44    2.27  70.0 SSMI18 -23.5  -68.0  -23.5  -68.0  -24.0  -68.7 Analysis Plot     
     20190329 151239 -930.0      N/A   N/A     N/A    0.00  65.0 SSMI17 -23.6  -68.6  -24.1  -69.0  -24.1  -69.0 Analysis Plot     
     20190330 013434    4.5      N/A   5.5% 177.76    4.52  65.0 SSMI18 -24.4  -69.0  -24.4  -69.0  -24.5  -69.3 Analysis Plot     
     20190330 025508    7.4      N/A  20.5% 211.09    7.39  60.0 SSMI17 -24.5  -69.3  -24.5  -69.3  -24.8  -69.4 Analysis Plot     
     20190330 134448   15.0      N/A 100.0%  33.33     .04  55.0 SSMI18 -26.1  -70.1  -26.1  -70.1  -26.6  -71.4 Analysis Plot     
     20190330 150009    3.7      N/A  26.0% 211.09    3.70  55.0 SSMI17 -26.1  -70.1  -26.1  -70.1  -26.0  -69.9 Analysis Plot     
     20190330 204619   -3.4      N/A   N/A   22.22    3.38  45.0  AMSR2 -26.9  -69.8  -26.9  -69.8  -26.2  -70.0 Analysis Plot     
     20190331 013103   -2.4      N/A   N/A  177.76    2.36  35.0 SSMI18 -26.8  -69.8  -26.8  -69.8  -26.4  -69.6 Analysis Plot     
     20190331 024120   -3.3      N/A   N/A  199.98    3.30  35.0 SSMI17 -26.9  -69.7  -26.9  -69.7  -26.3  -69.5 Analysis Plot     
     20190331 085331   -3.7      N/A   N/A  222.20    3.66  35.0  AMSR2 -27.4  -69.3  -27.4  -69.3  -26.8  -69.1 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.