Tropical Storm 13R


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              
     20210303 204349    N/A      N/A   N/A     N/A     N/A  25.0  AMSR2 -15.4  -67.4  -15.4  -67.4  -15.3  -68.0 Analysis Plot     
     20210304 085638   -3.0      N/A   4.1%  22.22    3.04  30.0  AMSR2 -16.1  -71.2  -16.1  -71.2  -16.1  -71.5 Analysis Plot     
     20210304 121618  -37.3      N/A 100.0%  55.55   22.29  30.0 SSMI18 -16.3  -71.6  -16.3  -71.6  -16.5  -72.5 Analysis Plot     
     20210304 235150  -33.9      N/A  95.9%  66.66   18.93  45.0 SSMI18 -16.6  -74.3  -16.6  -74.3  -16.6  -74.4 Analysis Plot     
     20210305 112922   67.6  >85 kts 100.0%  22.22   52.56  65.0 SSMI16 -16.3  -76.1  -16.3  -76.3  -16.3  -76.3 Analysis Plot     
     20210305 120314   64.0  >85 kts 100.0%  22.22   49.04  65.0 SSMI18 -16.3  -76.1  -16.3  -76.3  -16.3  -76.3 Analysis Plot     
     20210305 233918   61.4  >85 kts 100.0%  22.22   46.43 110.0 SSMI18 -16.1  -77.4  -15.9  -77.4  -15.9  -77.4 Analysis Plot     
     20210306 111613   46.4  >65 kts 100.0%  33.33   31.44 110.0 SSMI16 -16.2  -78.3  -16.3  -78.3  -16.3  -78.3 Analysis Plot     
     20210306 115041   41.7  >65 kts 100.0%  33.33   26.73 110.0 SSMI18 -16.2  -78.3  -16.3  -78.3  -16.3  -78.3 Analysis Plot     
     20210306 193746 -930.0      N/A   N/A     N/A    0.00 110.0  AMSR2 -16.6  -78.9  -16.5  -79.0  -16.5  -79.0 Analysis Plot     
     20210306 232656   64.4  >85 kts 100.0%  22.22   49.43 110.0 SSMI18 -16.7  -79.1  -16.6  -79.1  -16.6  -79.1 Analysis Plot     
     20210307 113759    2.5      N/A  34.2%  33.33    2.54 100.0 SSMI18 -17.0  -80.0  -17.3  -80.2  -17.3  -80.2 Analysis Plot     
     20210307 201957   65.7  >85 kts 100.0%  22.22   50.70  85.0  AMSR2 -17.7  -80.7  -17.6  -80.8  -17.6  -80.8 Analysis Plot     
     20210308 083124   12.0      N/A  79.5%  11.11   12.03  70.0  AMSR2 -18.4  -81.0  -18.2  -80.9  -18.2  -80.9 Analysis Plot     
     20210308 112524    4.2      N/A   N/A  211.09    4.16  70.0 SSMI18 -18.5  -80.9  -18.5  -80.9  -18.2  -80.9 Analysis Plot     
     20210309 001552    5.5      N/A  39.7% 122.21    5.54  65.0 SSMI16 -18.5  -80.1  -18.4  -80.0  -18.4  -80.0 Analysis Plot     
     20210309 200727   73.9  >85 kts 100.0%  33.33   58.94  65.0  AMSR2 -17.9  -77.8  -17.7  -77.9  -17.7  -77.9 Analysis Plot     
     20210310 000321   36.4  >65 kts 100.0%  22.22   21.36  65.0 SSMI16 -17.8  -77.4  -17.6  -77.5  -17.6  -77.5 Analysis Plot     
     20210310 003055   62.6  >85 kts 100.0%  33.33   47.61  65.0 SSMI18 -17.8  -77.4  -17.6  -77.4  -17.6  -77.4 Analysis Plot     
     20210310 051759 -930.0      N/A   N/A     N/A    0.00  80.0    GMI -17.7  -76.8  -17.7  -76.8  -17.5  -76.5 Analysis Plot     
     20210310 081950   58.5  >65 kts 100.0%  22.22   43.55  95.0  AMSR2 -17.5  -76.6  -17.5  -76.5  -17.5  -76.5 Analysis Plot     
     20210310 120539   33.4  >65 kts  98.6%  22.22   18.35  95.0 SSMI16 -17.4  -76.2  -17.6  -76.1  -17.6  -76.1 Analysis Plot     
     20210310 205137 -930.0      N/A   N/A     N/A    0.00 100.0  AMSR2 -17.3  -75.1  -17.3  -75.1  -17.4  -75.1 Analysis Plot     
     20210311 001743   78.1  >85 kts 100.0%  44.44   63.11 100.0 SSMI18 -17.3  -74.9  -17.3  -74.9  -17.3  -74.9 Analysis Plot     
     20210311 090243   66.5  >85 kts 100.0%  44.44   51.53 105.0  AMSR2 -17.6  -74.1  -17.8  -73.9  -17.8  -73.9 Analysis Plot     
     20210311 115239   79.7  >85 kts 100.0%  33.33   64.67 105.0 SSMI16 -17.7  -73.8  -18.0  -73.8  -18.0  -73.8 Analysis Plot     
     20210311 122834   83.8  >85 kts 100.0%  33.33   68.84 105.0 SSMI18 -17.7  -73.8  -18.0  -73.6  -18.0  -73.6 Analysis Plot     
     20210312 003112   93.9  >85 kts 100.0%  55.55   78.90 110.0 SSMI15 -18.3  -72.5  -18.4  -72.4  -18.4  -72.4 Analysis Plot     
     20210312 121556   76.9  >85 kts 100.0%  44.44   61.86 105.0 SSMI18 -19.2  -71.4  -19.3  -71.2  -19.3  -71.2 Analysis Plot     
     20210312 203901   50.7  >65 kts 100.0%  77.77   35.66 105.0  AMSR2 -20.1  -70.8  -20.0  -70.7  -20.0  -70.7 Analysis Plot     
     20210312 235126 -930.0      N/A   N/A     N/A    0.00 105.0 SSMI18 -20.3  -70.8  -20.5  -71.1  -20.5  -71.1 Analysis Plot     
     20210313 041423   24.6  >65 kts  65.8%  44.44   24.59  95.0    GMI -20.6  -70.2  -20.7  -70.4  -20.7  -70.4 Analysis Plot     
     20210313 084948   26.3  >65 kts  43.8% 177.76   26.30  90.0  AMSR2 -20.8  -70.3  -21.1  -70.2  -21.1  -70.2 Analysis Plot     
     20210313 120321   21.6  >65 kts   1.6%  77.77   21.60  90.0 SSMI18 -21.0  -70.2  -21.3  -70.1  -21.3  -70.1 Analysis Plot     
     20210313 125919   42.9  >65 kts 100.0% 177.76   27.87  90.0 SSMI15 -21.0  -70.2  -21.4  -70.1  -21.4  -70.1 Analysis Plot     
     20210314 005039    N/A      N/A   N/A     N/A     N/A  60.0 SSMI16 -21.6  -70.2  -21.6  -70.2  -22.2  -70.7 Analysis Plot     
     20210314 093311 -930.0      N/A   N/A     N/A    0.00  65.0  AMSR2 -22.0  -70.5  -22.0  -70.5  -22.7  -71.1 Analysis Plot     
     20210314 125413 -930.0      N/A   N/A     N/A    0.00  60.0 SSMI16 -22.0  -70.8  -22.0  -70.8  -22.6  -71.0 Analysis Plot     
     20210314 202728    5.1      N/A   8.2% 211.09    5.07  60.0  AMSR2 -22.3  -71.0  -22.3  -71.0  -22.2  -71.3 Analysis Plot     
     20210315 003728    1.2      N/A   N/A   44.44    1.19  55.0 SSMI16 -22.2  -71.4  -22.2  -71.4  -22.9  -71.6 Analysis Plot     
     20210315 083734   -7.2      N/A   N/A   11.11    7.19  50.0  AMSR2 -22.5  -71.2  -22.5  -71.2  -22.6  -71.6 Analysis Plot     
     20210315 124110   -1.5      N/A   N/A  144.43    1.53  40.0 SSMI16 -22.3  -71.6  -22.3  -71.6  -22.4  -71.2 Analysis Plot     
     20210316 002641   -0.4      N/A   N/A   11.11     .36  35.0 SSMI16 -22.2  -71.0  -22.2  -71.0  -22.1  -70.8 Analysis Plot     
     20210316 004457 -930.0      N/A   N/A     N/A    0.00  35.0 SSMI18 -22.5  -70.9  -22.5  -70.9  -22.6  -70.7 Analysis Plot     
     20210316 031036 -930.0      N/A   N/A     N/A    0.00  35.0    GMI -22.6  -70.6  -22.6  -70.6  -22.3  -70.6 Analysis Plot     
     20210316 091959   -2.0      N/A   N/A  222.20    1.96  35.0  AMSR2 -22.7  -70.1  -22.7  -70.1  -22.6  -70.0 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.