Tropical Depression 06R

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              
     20200128 125802   -1.9      N/A   1.4% 144.43    1.92  35.0 SSMI16 -29.8  -68.0  -29.8  -68.0  -30.1  -67.7 Analysis Plot     
     20201231 120610   -1.1      N/A  19.2%  44.44    1.06  30.0 SSMI18 -12.2  -73.4  -12.2  -73.4  -12.8  -73.1 Analysis Plot     
     20201231 202945    N/A      N/A   N/A     N/A     N/A  25.0  AMSR2 -12.0  -72.9  -12.0  -72.9  -12.5  -72.1 Analysis Plot     
     20210101 084448   -5.3      N/A   N/A   77.77    5.28  30.0  AMSR2 -12.1  -72.4  -12.1  -72.4  -11.8  -72.2 Analysis Plot     
     20210101 115308   -3.5      N/A   6.3% 222.20    3.48  30.0 SSMI18 -12.1  -72.6  -12.1  -72.6  -11.7  -72.3 Analysis Plot     
     20210102 201742  -14.1      N/A  32.9%  33.33   14.07  45.0  AMSR2 -11.0  -72.4  -11.0  -72.4  -11.2  -72.3 Analysis Plot     
     20210103 005843    N/A      N/A   N/A     N/A     N/A  50.0 SSMI18 -11.5  -72.9  -11.5  -72.9  -11.1  -72.5 Analysis Plot     
     20210103 083238   -7.1      N/A  80.8%  22.22    7.10  50.0  AMSR2 -12.1  -73.9  -12.1  -73.9  -11.9  -73.3 Analysis Plot     
     20210104 004549    N/A      N/A   N/A     N/A     N/A  55.0 SSMI18 -14.0  -76.0  -14.0  -75.9  -14.0  -75.9 Analysis Plot     
     20210104 200609  -36.8      N/A 100.0%  44.44   21.80  45.0  AMSR2 -15.7  -77.0  -15.6  -76.3  -15.6  -76.3 Analysis Plot     
     20210105 003300  -52.5      N/A 100.0%  33.33   37.50  50.0 SSMI18 -15.7  -76.6  -15.9  -76.5  -15.9  -76.5 Analysis Plot     
     20210105 081917   21.1  >65 kts 100.0%  11.11    6.13  55.0  AMSR2 -16.5  -76.5  -16.5  -76.5  -16.6  -76.3 Analysis Plot     
     20210106 001355   -3.3      N/A   N/A  155.54    3.30  45.0 SSMI16 -16.6  -76.1  -16.6  -76.1  -16.1  -76.4 Analysis Plot     
     20210106 090213    N/A      N/A   N/A     N/A     N/A  35.0  AMSR2 -16.7  -75.0  -16.7  -75.0  -16.7  -75.0 Analysis Plot     
     20210106 123048    N/A      N/A   N/A     N/A     N/A  35.0 SSMI18 -16.5  -74.4  -16.5  -74.4  -16.9  -74.2 Analysis Plot     
     20210107 000635    N/A      N/A   N/A     N/A     N/A  30.0 SSMI18 -16.5  -72.9  -16.5  -72.9  -16.8  -72.3 Analysis Plot     
     20210107 121805   -1.7      N/A   6.8% 166.65    1.68  30.0 SSMI18 -16.5  -70.2  -16.5  -70.2  -17.1  -70.6 Analysis Plot     
     20210107 203728    N/A      N/A   N/A     N/A     N/A  30.0  AMSR2 -16.9  -68.2  -17.6  -69.2  -17.6  -69.2 Analysis Plot     
     20210108 085051   -3.7      N/A   N/A   11.11    3.68  30.0  AMSR2 -17.1  -66.1  -17.1  -66.1  -18.0  -66.0 Analysis Plot     
     20210108 212040    N/A      N/A   N/A     N/A     N/A  25.0  AMSR2 -17.4  -64.3  -17.4  -64.3  -17.8  -65.7 Analysis Plot     
     20210108 233717   -3.2      N/A   1.4% 222.20    3.20  25.0    GMI -17.5  -64.0  -17.5  -64.0  -17.3  -64.5 Analysis Plot     
     20210109 012606   -0.4      N/A   N/A   22.22     .39  25.0 SSMI18 -17.5  -63.8  -17.5  -63.8  -18.5  -64.4 Analysis Plot     
     20210109 093232   -3.5      N/A   N/A   11.11    3.55  30.0  AMSR2 -17.9  -63.6  -17.9  -63.6  -17.8  -63.5 Analysis Plot     
     20210110 101626 -930.0      N/A   N/A     N/A    0.00  25.0  AMSR2 -19.6  -59.7  -19.6  -59.7  -19.7  -59.7 Analysis Plot     
     20210110 210915   -3.7      N/A  32.9%  22.22    3.69  25.0  AMSR2 -19.3  -58.6  -19.3  -58.6  -18.9  -59.2 Analysis Plot     
     20210110 232616   -5.3      N/A   N/A   55.55    5.31  25.0    GMI -19.3  -58.4  -19.3  -58.4  -19.1  -58.7 Analysis Plot     
     20210111 004756   -1.5      N/A   N/A  111.10    1.45  25.0 SSMI16 -19.2  -58.7  -19.2  -58.7  -19.1  -59.1 Analysis Plot     
     20210111 005831   -0.8      N/A   N/A   99.99     .78  25.0 SSMI18 -19.2  -58.7  -19.2  -58.7  -19.1  -59.1 Analysis Plot     
     20210111 092125 -930.0      N/A   N/A     N/A    0.00  20.0  AMSR2 -19.8  -58.0  -19.8  -58.0  -19.1  -58.0 Analysis Plot     
     20210111 125132 -930.0      N/A   N/A     N/A    0.00  20.0 SSMI16 -19.8  -57.6  -19.8  -57.6  -19.7  -58.3 Analysis Plot     
     20210111 130851   -0.5      N/A   N/A   66.66     .47  20.0 SSMI18 -19.8  -57.6  -19.8  -57.6  -19.8  -57.5 Analysis Plot     
     20210111 135654 -930.0      N/A   N/A     N/A    0.00  20.0 SSMI15 -19.8  -57.6  -19.8  -57.6  -19.9  -56.6 Analysis Plot     
     20210111 215213 -930.0      N/A   N/A     N/A    0.00  20.0  AMSR2 -19.6  -56.5  -19.6  -56.5  -18.8  -55.3 Analysis Plot     
     20210112 100257    N/A      N/A   N/A     N/A     N/A  20.0  AMSR2 -19.6  -55.2  -19.6  -55.2  -19.7  -55.5 Analysis Plot     
     20210112 131032   -6.1      N/A   N/A  199.98    6.07  20.0 SSMI15 -19.7  -54.8  -19.7  -54.8  -19.4  -54.8 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.