Tropical Storm 21E


Passive Microwave (PMW) Intensity Information
Hurricane Intensity Estimation (HIE) Algorithm
Version 8.2.1
 

         Overpass     Inten           Ring    Ring          Wind           Forecast        Final        Target  
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est   Sat    Lat    Lon    Lat    Lon    Lat    Lon              
     20180929 202917    N/A      N/A   N/A     N/A     N/A  35.0  AMSR2  12.1  102.6   12.1  102.6   12.3  103.1 Analysis Plot     
     20180930 022004 -930.0      N/A   N/A     N/A    0.00  40.0    GMI  12.3  103.2   12.3  103.2   12.6  103.9 Analysis Plot     
     20180930 084407   -0.2      N/A  35.6%  55.55     .23  45.0  AMSR2  12.0  104.3   12.0  104.3   11.0  103.3 Analysis Plot     
     20180930 120900   -5.3      N/A  74.0%  44.44    5.34  45.0 SSMI16  12.0  104.5   12.0  104.5   12.0  104.3 Analysis Plot     
     20180930 130800  -34.1      N/A  98.6%  88.88   19.13  50.0 SSMI18  12.1  105.1   12.1  105.1   11.7  104.8 Analysis Plot     
     20180930 133800  -13.5      N/A  74.0%  55.55   13.50  50.0 SSMI17  12.1  105.2   12.1  105.2   11.8  105.0 Analysis Plot     
     20181001 001900    9.3      N/A  52.1% 122.21    9.28  55.0 SSMI18  11.6  106.9   11.6  106.9   11.4  106.6 Analysis Plot     
     20181001 103513 -930.0      N/A   N/A     N/A    0.00  60.0 SSMI15  11.5  108.9   11.5  108.9   11.4  109.0 Analysis Plot     
     20181001 144241   10.7      N/A  24.7%  44.44   10.68  60.0    GMI  11.5  109.4   11.5  109.4   11.1  109.8 Analysis Plot     
     20181001 201826 -930.0      N/A   N/A     N/A    0.00  60.0  AMSR2  11.3  110.8   11.0  110.4   11.0  110.4 Analysis Plot     
     20181001 233000    5.6      N/A  41.1%  88.88    5.58  60.0 SSMI16  11.3  111.2   11.3  111.2   10.7  111.5 Analysis Plot     
     20181002 021055   45.9  >65 kts 100.0%  77.77   30.89  60.0    GMI  11.1  111.9   10.6  111.8   10.6  111.8 Analysis Plot     
     20181002 021600   40.7  >65 kts 100.0%  66.66   25.72  60.0 SSMI17  11.0  111.7   10.7  111.8   10.7  111.8 Analysis Plot     
     20181002 021600   41.4  >65 kts 100.0%  66.66   26.36  60.0 SSMI17  10.9  112.0   10.7  111.8   10.7  111.8 Analysis Plot     
     20181002 205955 -930.0      N/A   N/A     N/A    0.00 100.0  AMSR2  11.2  115.0   11.9  115.6   11.9  115.6 Analysis Plot     
     20181003 020200   11.4      N/A  63.0%  33.33   11.43 100.0 SSMI17  11.6  115.6   11.7  115.7   11.7  115.7 Analysis Plot     
     20181003 020300    1.7      N/A   9.6% 155.54    1.75 100.0 SSMI17  11.8  115.8   12.4  116.2   12.4  116.2 Analysis Plot     
     20181003 091508   24.8  >65 kts  71.2%  99.99   24.78 100.0  AMSR2  12.4  116.8   12.3  116.7   12.3  116.7 Analysis Plot     
     20181003 143249   67.6  >85 kts 100.0%  77.77   52.55 110.0    GMI  12.9  117.3   12.7  117.2   12.7  117.2 Analysis Plot     
     20181003 144000   64.9  >85 kts 100.0%  77.77   49.86 110.0 SSMI17  12.9  117.3   12.7  117.2   12.7  117.2 Analysis Plot     
     20181004 020017   47.9  >65 kts 100.0%  66.66   32.92 115.0    GMI  13.7  118.2   13.7  118.2   13.7  118.2 Analysis Plot     
     20181004 095758   15.9      N/A  52.1%  66.66   15.89 120.0  AMSR2  14.5  118.9   14.4  118.9   14.4  118.9 Analysis Plot     
     20181004 135900   71.0  >85 kts 100.0%  99.99   56.03 120.0 SSMI18  14.9  119.3   15.0  119.3   15.0  119.3 Analysis Plot     
     20181004 142600   61.0  >85 kts 100.0%  99.99   46.01 120.0 SSMI17  15.0  119.3   14.9  119.4   14.9  119.4 Analysis Plot     
     20181004 205030 -930.0      N/A   N/A     N/A    0.00 120.0  AMSR2  15.5  119.8   15.5  119.8   15.6  119.6 Analysis Plot     
     20181005 142356   25.9  >65 kts  54.8%  99.99   25.89 100.0    GMI  15.9  121.7   16.0  121.5   16.0  121.5 Analysis Plot     
     20181005 213158   50.7  >65 kts 100.0%  77.77   35.72 105.0  AMSR2  15.7  122.3   15.6  122.3   15.6  122.3 Analysis Plot     
     20181006 030600   34.4  >65 kts  97.3%  66.66   19.36 110.0 SSMI17  15.3  122.8   15.2  122.8   15.2  122.8 Analysis Plot     
     20181006 094517   16.4      N/A  47.9%  77.77   16.38 110.0  AMSR2  14.9  123.6   14.9  123.5   14.9  123.5 Analysis Plot     
     20181007 000400   48.6  >65 kts 100.0% 111.10   33.60 110.0 SSMI16  14.6  124.8   14.6  125.1   14.6  125.1 Analysis Plot     
     20181007 022800   38.0  >65 kts 100.0% 111.10   23.05 105.0 SSMI18  14.5  125.3   14.6  125.6   14.6  125.6 Analysis Plot     
     20181007 025200   47.4  >65 kts 100.0%  99.99   32.45 105.0 SSMI17  14.5  125.3   14.6  125.4   14.6  125.4 Analysis Plot     
     20181007 025100   44.9  >65 kts 100.0%  99.99   29.94 105.0 SSMI17  14.5  125.5   14.6  125.4   14.6  125.4 Analysis Plot     
     20181007 102854   64.6  >85 kts 100.0% 144.43   49.61 100.0  AMSR2  14.6  126.3   14.5  126.3   14.5  126.3 Analysis Plot     
     20181007 141400   49.4  >65 kts 100.0% 144.43   34.38  90.0    GMI  14.5  126.7   14.6  126.8   14.6  126.8 Analysis Plot     
     20181007 152700   48.8  >65 kts 100.0% 133.32   33.77  90.0 SSMI17  14.5  126.9   14.7  127.0   14.7  127.0 Analysis Plot     
     20181007 212111 -930.0      N/A   N/A     N/A    0.00  85.0  AMSR2  14.7  127.5   14.7  127.5   14.7  127.1 Analysis Plot     
     20181008 023900   51.1  >65 kts 100.0% 155.54   36.11  80.0 SSMI17  14.9  127.9   14.9  127.8   14.9  127.8 Analysis Plot     
     20181008 133600   48.0  >65 kts 100.0% 177.76   33.02  80.0 SSMI16  15.2  128.5   15.4  128.3   15.4  128.3 Analysis Plot     
     20181008 145000   61.1  >85 kts 100.0% 188.87   46.09  80.0 SSMI18  15.3  128.6   15.4  128.4   15.4  128.4 Analysis Plot     
     20181008 151400   62.3  >85 kts 100.0% 188.87   47.34  80.0 SSMI17  15.3  128.6   15.4  128.4   15.4  128.4 Analysis Plot     
     20181008 220251    N/A      N/A   N/A     N/A     N/A  75.0  AMSR2  15.7  128.5   15.7  128.5   15.7  128.5 Analysis Plot     
     20181009 004805   18.6      N/A  52.1% 211.09   18.63  75.0    GMI  15.9  128.5   15.7  128.4   15.7  128.4 Analysis Plot     
     20181009 020200 -930.0      N/A   N/A     N/A    0.00  75.0 SSMI18  15.9  128.6   15.9  128.6   15.1  128.0 Analysis Plot     
     20181009 020200   17.1      N/A  30.1% 199.98   17.15  75.0 SSMI18  16.0  128.6   15.7  128.3   15.7  128.3 Analysis Plot     
     20181009 022700 -930.0      N/A   N/A     N/A    0.00  75.0 SSMI17  16.0  128.6   15.8  128.1   15.8  128.1 Analysis Plot     
     20181009 101533    5.3      N/A  36.1% 211.09    5.28  75.0  AMSR2  16.4  127.8   16.4  127.8   16.4  127.8 Analysis Plot     
     20181009 140438 -930.0      N/A   N/A     N/A    0.00  70.0    GMI  16.5  127.5   16.5  127.4   16.5  127.4 Analysis Plot     
     20181009 150000    1.1      N/A  15.1% 177.76    1.12  70.0 SSMI17  16.6  127.4   16.8  127.3   16.8  127.3 Analysis Plot     
     20181010 021400 -930.0      N/A   N/A     N/A    0.00  60.0 SSMI17  17.5  125.6   17.5  125.6   17.2  125.6 Analysis Plot     
     20181010 131344    9.5      N/A  54.8% 177.76    9.53  55.0    GMI  18.2  123.8   18.4  124.0   18.4  124.0 Analysis Plot     
     20181010 144600    9.5      N/A  56.2% 166.65    9.52  55.0 SSMI17  18.4  123.5   18.5  123.8   18.5  123.8 Analysis Plot     
     20181010 215154   17.5      N/A  27.4% 155.54   17.55  55.0  AMSR2  19.3  122.3   19.0  122.7   19.0  122.7 Analysis Plot     
     20181011 013800   11.8      N/A  11.0% 133.32   11.79  55.0 SSMI18  19.9  121.6   19.5  121.7   19.5  121.7 Analysis Plot     
     20181011 020000   10.5      N/A  15.1% 133.32   10.53  55.0 SSMI17  20.0  121.5   19.6  121.5   19.6  121.5 Analysis Plot     
     20181011 100200    N/A      N/A   N/A     N/A     N/A  55.0  AMSR2  21.3  119.8   21.3  119.8   21.9  120.8 Analysis Plot     
     20181011 141100    6.1      N/A  45.2% 222.20    6.07  55.0 SSMI18  22.1  118.8   22.1  119.0   22.1  119.0 Analysis Plot     
     20181011 143200    9.4      N/A  42.5% 222.20    9.36  55.0 SSMI17  22.2  118.7   22.1  118.9   22.1  118.9 Analysis Plot     
     20181011 205707  -13.2      N/A  19.2% 211.09   13.22  50.0  AMSR2  23.4  116.8   23.4  117.3   23.4  117.3 Analysis Plot     
     20181012 001500   -8.3      N/A   N/A  177.76    8.28  50.0 SSMI16  23.9  116.2   23.9  116.2   23.7  116.5 Analysis Plot     
     20181012 012700   -9.1      N/A   6.8% 222.20    9.10  50.0 SSMI18  24.5  115.7   24.5  115.7   24.1  116.0 Analysis Plot     
     20181012 014700   -8.5      N/A   N/A  222.20    8.55  50.0 SSMI17  24.6  115.5   24.6  115.5   24.3  115.8 Analysis Plot     
     20181012 090516   -4.0      N/A  13.7%  33.33    3.97  45.0  AMSR2  26.2  113.6   26.2  113.6   26.3  113.7 Analysis Plot     
     20181012 104350 -930.0      N/A   N/A     N/A    0.00  45.0 SSMI15  26.5  113.3   26.5  113.3   26.1  112.9 Analysis Plot     
     20181012 125600   -5.0      N/A  12.3%  66.66    5.02  45.0 SSMI16  26.6  113.1   26.6  113.1   26.7  113.0 Analysis Plot     
     20181012 135600 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI18  27.4  112.1   27.4  112.1   26.8  112.2 Analysis Plot     
     20181012 141600 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI17  27.4  112.0   27.4  112.0   26.9  112.1 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.