Tropical Storm 30Y_15


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              
     20190926 192239   -0.6      N/A   N/A   22.22     .64  30.0 SSMI16  13.5 -142.0   13.5 -142.0   12.6 -142.6 Analysis Plot     
     20190926 212548   -1.7      N/A   N/A  188.87    1.72  30.0 SSMI18  13.3 -140.8   13.3 -140.8   13.0 -140.5 Analysis Plot     
     20190927 034423 -930.0      N/A   N/A     N/A    0.00  30.0  AMSR2  12.9 -137.7   12.9 -137.7   13.4 -138.1 Analysis Plot     
     20190927 074108   -0.6      N/A  17.8%  99.99     .61  30.0 SSMI15  13.2 -137.3   13.2 -137.3   12.6 -136.8 Analysis Plot     
     20190927 094551   -4.3      N/A   N/A   44.44    4.31  30.0 SSMI18  13.7 -136.9   13.7 -136.9   14.2 -136.3 Analysis Plot     
     20190927 120046 -930.0      N/A   N/A     N/A    0.00  30.0 SSMI17  14.0 -136.4   14.0 -136.4   14.2 -136.1 Analysis Plot     
     20190927 204201   -1.3      N/A   N/A   88.88    1.27  30.0 SSMI16  14.8 -134.0   14.8 -134.0   15.3 -133.9 Analysis Plot     
     20190927 211318   -1.3      N/A  27.4%  88.88    1.26  30.0 SSMI18  14.9 -133.9   14.9 -133.9   15.5 -133.9 Analysis Plot     
     20190927 232736   -2.2      N/A  15.1% 133.32    2.20  30.0 SSMI17  15.2 -133.4   15.2 -133.4   15.6 -132.5 Analysis Plot     
     20190928 042655   -8.8      N/A  34.2% 222.20    8.82  35.0  AMSR2  15.9 -131.3   16.7 -131.0   16.7 -131.0 Analysis Plot     
     20190928 065242 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI16  17.0 -130.4   17.4 -130.1   17.4 -130.1 Analysis Plot     
     20190928 085946   -2.2      N/A   2.7% 144.43    2.19  35.0 SSMI16  17.0 -130.0   17.0 -130.0   17.4 -130.1 Analysis Plot     
     20190928 113803   -0.4      N/A  21.9% 155.54     .45  35.0 SSMI17  17.2 -129.6   17.2 -129.6   17.5 -129.3 Analysis Plot     
     20190928 130324   -4.1      N/A  24.7% 255.53    4.12  45.0    GMI  17.6 -128.7   17.6 -128.7   17.7 -128.3 Analysis Plot     
     20190928 202839 -930.0      N/A   N/A     N/A    0.00  50.0 SSMI16  17.7 -127.2   17.7 -127.2   18.2 -126.8 Analysis Plot     
     20190928 231441   -2.2      N/A  17.8% 244.42    2.19  50.0 SSMI17  18.0 -126.8   18.0 -126.8   18.4 -126.7 Analysis Plot     
     20190929 051034 -930.0      N/A   N/A     N/A    0.00  55.0  AMSR2  18.3 -125.7   19.2 -125.5   19.2 -125.5 Analysis Plot     
     20190929 105210    0.8      N/A  52.1% 144.43     .83  60.0 SSMI18  19.7 -124.8   19.7 -124.8   19.6 -125.6 Analysis Plot     
     20190929 172134    3.8      N/A  15.1%  22.22    3.77  65.0  AMSR2  20.5 -123.3   21.1 -123.7   21.1 -123.7 Analysis Plot     
     20190929 222958    N/A      N/A   N/A     N/A     N/A  65.0 SSMI18  21.5 -123.3   21.5 -123.0   21.5 -123.0 Analysis Plot     
     20190930 085817    6.2      N/A   N/A   77.77    6.20  70.0 SSMI18  23.1 -122.7   23.5 -123.0   23.5 -123.0 Analysis Plot     
     20190930 180322    6.8      N/A  41.1% 199.98    6.78  75.0  AMSR2  26.2 -122.3   26.1 -122.4   26.1 -122.4 Analysis Plot     
     20190930 221635    4.4      N/A   9.6% 155.54    4.36  75.0 SSMI18  26.8 -122.3   26.7 -122.3   26.7 -122.3 Analysis Plot     
     20191001 050057 -930.0      N/A   N/A     N/A    0.00  70.0  AMSR2  28.1 -122.3   28.1 -122.4   28.1 -122.4 Analysis Plot     
     20191001 084539    6.2      N/A   N/A  311.08    6.18  60.0 SSMI18  28.6 -122.2   28.6 -122.2   28.7 -122.3 Analysis Plot     
     20191001 105751 -930.0      N/A   N/A     N/A    0.00  60.0 SSMI17  29.0 -122.2   29.0 -122.2   29.5 -122.5 Analysis Plot     
     20191001 214000    N/A      N/A   N/A     N/A     N/A  55.0 SSMI16  30.7 -122.7   30.7 -122.7   31.2 -123.0 Analysis Plot     
     20191001 220444    N/A      N/A   N/A     N/A     N/A  55.0 SSMI18  30.8 -122.8   30.8 -122.8   31.3 -123.3 Analysis Plot     
     20191001 232737    1.3      N/A   N/A   99.99    1.31  55.0 SSMI17  31.3 -123.1   31.3 -123.1   31.8 -123.1 Analysis Plot     
     20191002 101419   -3.7      N/A   N/A  111.10    3.69  50.0 SSMI18  33.8 -125.4   33.8 -125.4   33.3 -125.9 Analysis Plot     
     20191002 124627 -930.0      N/A   N/A     N/A    0.00  50.0    GMI  34.5 -126.2   34.5 -126.2   34.6 -126.5 Analysis Plot     
     20191002 193111 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI15  35.5 -128.3   35.5 -128.3   35.3 -128.1 Analysis Plot     
     20191002 212449 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI16  35.7 -128.6   35.7 -128.6   35.5 -127.9 Analysis Plot     
     20191002 215056   -1.9      N/A   N/A  211.09    1.92  40.0 SSMI18  35.8 -128.7   35.8 -128.7   35.7 -128.2 Analysis Plot     
     20191003 000324 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI17  36.3 -129.3   36.3 -129.3   36.5 -128.6 Analysis Plot     
     20191003 045146   -1.4      N/A   N/A   11.11    1.36  40.0  AMSR2  38.1 -131.1   38.1 -131.1   38.0 -131.1 Analysis Plot     
     20191003 100143 -930.0      N/A   N/A     N/A    0.00  40.0 SSMI18  38.3 -131.9   38.3 -131.9   37.8 -130.8 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.