Tropical Depression 07R

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              
     20200127 002842   -1.0      N/A   N/A  144.43    1.05  35.0 SSMI18 -31.2  -78.6  -31.2  -78.6  -31.0  -78.3 Analysis Plot     
     20210115 212612  -22.0      N/A 100.0%  22.22    6.96  30.0  AMSR2 -11.9  -66.9  -12.8  -65.8  -12.8  -65.8 Analysis Plot     
     20210116 094041   -1.2      N/A   N/A   11.11    1.22  30.0  AMSR2 -12.6  -65.9  -12.6  -65.9  -12.5  -65.4 Analysis Plot     
     20210116 212440 -930.0      N/A   N/A     N/A    0.00  30.0    GMI -12.6  -63.5  -12.6  -63.5  -12.4  -62.5 Analysis Plot     
     20210117 011858    N/A      N/A   N/A     N/A     N/A  30.0 SSMI16 -12.6  -63.3  -12.6  -63.3  -12.4  -62.7 Analysis Plot     
     20210117 012623    N/A      N/A   N/A     N/A     N/A  30.0 SSMI18 -12.6  -63.3  -12.6  -63.3  -12.5  -62.3 Analysis Plot     
     20210117 132223   -0.5      N/A   7.4% 133.32     .54  35.0 SSMI16 -13.0  -61.3  -13.0  -61.3  -12.5  -60.3 Analysis Plot     
     20210117 134907    N/A      N/A   N/A     N/A     N/A  35.0 SSMI18 -13.0  -61.2  -13.0  -61.2  -12.5  -60.4 Analysis Plot     
     20210117 211346    N/A      N/A   N/A     N/A     N/A  35.0  AMSR2 -13.5  -58.8  -13.5  -58.8  -13.2  -57.9 Analysis Plot     
     20210118 005804   -1.7      N/A   N/A  211.09    1.66  35.0 SSMI16 -13.6  -58.2  -13.6  -58.2  -13.7  -58.5 Analysis Plot     
     20210118 011150   -0.3      N/A   N/A  155.54     .27  35.0 SSMI18 -13.6  -58.2  -13.6  -58.2  -13.7  -58.3 Analysis Plot     
     20210118 092851 -930.0      N/A   N/A     N/A    0.00  35.0  AMSR2 -14.3  -56.0  -14.3  -56.0  -13.2  -55.5 Analysis Plot     
     20210118 131502 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI18 -14.5  -55.3  -14.5  -55.3  -13.4  -54.3 Analysis Plot     
     20210118 211317   -6.0      N/A  42.5% 188.87    6.04  45.0    GMI -14.1  -52.7  -14.1  -52.7  -13.9  -52.5 Analysis Plot     
     20210119 102854   -4.9      N/A  50.7%  11.11    4.90  50.0    GMI -15.1  -51.5  -15.3  -50.6  -15.3  -50.6 Analysis Plot     
     20210120 022336   -8.8      N/A   N/A   99.99    8.80  30.0 SSMI18 -15.4  -49.3  -15.4  -49.3  -15.7  -48.7 Analysis Plot     
     20210120 105337    N/A      N/A   N/A     N/A     N/A  30.0  AMSR2 -16.2  -47.1  -16.2  -47.1  -16.2  -47.1 Analysis Plot     
     20210120 143617 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI18 -15.6  -46.4  -15.6  -46.4  -15.6  -46.8 Analysis Plot     
     20210120 210152 -930.0      N/A   N/A     N/A    0.00  35.0    GMI -16.0  -44.5  -16.0  -44.5  -15.8  -44.3 Analysis Plot     
     20210121 021127   -0.5      N/A   N/A  111.10     .48  40.0 SSMI18 -16.1  -44.1  -16.1  -44.1  -15.7  -43.7 Analysis Plot     
     20210121 101850   -2.2      N/A   8.2% 122.21    2.19  45.0    GMI -16.6  -42.6  -16.6  -42.6  -17.0  -42.1 Analysis Plot     
     20210121 141118   -9.7      N/A  30.1% 188.87    9.73  40.0 SSMI16 -17.3  -41.8  -17.3  -41.8  -17.7  -41.5 Analysis Plot     
     20210121 143113   -8.4      N/A  32.9% 188.87    8.36  40.0 SSMI18 -17.3  -41.7  -17.3  -41.7  -17.6  -41.3 Analysis Plot     
     20210122 104203 -930.0      N/A   N/A     N/A    0.00  60.0  AMSR2 -19.1  -37.4  -19.1  -37.4  -18.5  -37.8 Analysis Plot     
     20210123 032458 -930.0      N/A   N/A     N/A    0.00  80.0 SSMI16 -20.2  -34.6  -20.3  -34.5  -20.3  -34.5 Analysis Plot     
     20210123 100806 -930.0      N/A   N/A     N/A    0.00  45.0    GMI -20.7  -33.3  -20.7  -33.3  -20.5  -33.6 Analysis Plot     
     20210123 112313 -930.0      N/A   N/A     N/A    0.00  45.0  AMSR2 -20.7  -33.2  -20.7  -33.2  -21.0  -33.4 Analysis Plot     
     20210123 152608 -930.0      N/A   N/A     N/A    0.00  30.0 SSMI16 -21.1  -32.8  -21.3  -32.8  -21.3  -32.8 Analysis Plot     
     20210124 031255   -0.5      N/A   N/A   88.88     .50  25.0 SSMI18 -22.2  -30.9  -22.2  -30.9  -22.4  -30.9 Analysis Plot     
     20210124 105100 -930.0      N/A   N/A     N/A    0.00  25.0    GMI -23.1  -29.8  -23.4  -29.4  -23.4  -29.4 Analysis Plot     
     20210124 120545   -7.8      N/A  28.8%  66.66    7.76  25.0  AMSR2 -23.1  -29.5  -23.1  -29.5  -23.2  -29.3 Analysis Plot     
     20210124 151617   -6.7      N/A   N/A   66.66    6.67  25.0 SSMI18 -23.3  -28.9  -23.3  -28.9  -23.7  -29.0 Analysis Plot     
     20210125 030012   -3.2      N/A  15.1%  88.88    3.21  20.0 SSMI18 -24.2  -27.4  -24.2  -27.4  -23.7  -27.1 Analysis Plot     
     20210125 150351   -0.9      N/A   N/A   22.22     .93  20.0 SSMI18 -23.9  -24.8  -23.9  -24.8  -25.1  -24.5 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.