Tropical Depression 11L

Passive Microwave (PMW) Intensity Information
Hurricane Intensity Estimation (HIE) Algorithm
Version 8.1.5
 

         Overpass     Inten           Ring    Ring          Wind           Forecast        Final        Target  
       Date    Time   Score  Meaning   Pct    Diam  BTdiff   Est   Sat    Lat    Lon    Lat    Lon    Lat    Lon              
     20130929 065914 -930.0      N/A   N/A  211.09   10.51  30.0 SSMI15  25.6   49.9   25.6   49.9   25.0   50.0 Analysis Plot     
     20130929 090400   -1.1      N/A  20.5%  33.33    1.11  30.0 SSMI16  25.6   49.7   25.6   49.7   25.6   49.2 Analysis Plot     
     20130929 111200    N/A      N/A   N/A     N/A     N/A  30.0 SSMI18  25.8   49.5   25.8   49.5   25.7   49.0 Analysis Plot     
     20130929 151819 -930.0      N/A   N/A  199.98   11.12  30.0   TRMM  26.2   49.0   26.2   49.0   26.4   48.4 Analysis Plot     
     20130929 202200   -3.4      N/A   9.6% 211.09    3.41  30.0 SSMI16  26.4   48.1   26.4   48.1   26.6   48.3 Analysis Plot     
     20130929 202200   -2.5      N/A  58.9%  66.66    2.46  30.0 SSMI16  27.2   47.6   27.2   47.6   27.8   46.5 Analysis Plot     
     20130929 223000   -7.3      N/A   9.6% 155.54    7.29  30.0 SSMI18  27.3   47.5   27.3   47.5   26.8   47.5 Analysis Plot     
     20130929 223000   -7.0      N/A  17.8% 155.54    7.04  30.0 SSMI18  27.3   47.4   27.3   47.4   26.8   47.6 Analysis Plot     
     20130930 063304 -930.0      N/A   N/A   11.11   22.45  30.0 SSMI15  27.1   46.6   27.1   46.6   27.6   46.2 Analysis Plot     
     20130930 092940   -7.1      N/A  16.4% 199.98    7.09  30.0   TRMM  26.9   46.7   26.9   46.7   26.8   46.7 Analysis Plot     
     20130930 142324    N/A      N/A   N/A     N/A     N/A  35.0   TRMM  27.0   45.9   27.0   45.9   27.4   44.9 Analysis Plot     
     20130930 200900 -930.0      N/A   N/A  222.20    6.28  35.0 SSMI16  26.8   45.5   26.8   45.5   27.4   44.7 Analysis Plot     
     20130930 221800 -930.0      N/A   N/A  155.54    6.64  35.0 SSMI18  27.3   44.8   27.3   44.8   28.3   44.3 Analysis Plot     
     20131001 083700   -5.2      N/A   4.1% 133.32    5.24  40.0 SSMI16  27.2   43.7   27.2   43.7   27.9   43.6 Analysis Plot     
     20131001 104700   -5.0      N/A   N/A  188.87    5.01  40.0 SSMI18  27.2   43.8   27.2   43.8   27.9   43.6 Analysis Plot     
     20131001 132820 -930.0      N/A   N/A   77.77   12.14  40.0   TRMM  28.1   43.5   27.8   43.3   27.8   43.3 Analysis Plot     
     20131001 150545 -930.0      N/A   N/A  222.20   11.17  40.0   TRMM  28.1   43.5   28.1   43.5   27.9   44.1 Analysis Plot     
     20131001 195600   -7.3      N/A  12.3% 155.54    7.27  40.0 SSMI16  28.1   43.6   28.1   43.6   27.9   43.5 Analysis Plot     
     20131002 082400   -3.7      N/A  11.0% 122.21    3.68  35.0 SSMI16  28.1   44.0   28.1   44.0   27.9   44.1 Analysis Plot     
     20131002 093300    N/A      N/A   N/A     N/A     N/A  35.0 SSMI17  28.1   44.0   28.1   44.0   27.9   43.4 Analysis Plot     
     20131002 141044   -4.4      N/A  32.9%  55.55    4.39  35.0   TRMM  28.2   43.9   28.2   43.9   28.4   43.6 Analysis Plot     
     20131002 205200   -2.7      N/A  11.0% 133.32    2.68  35.0 SSMI17  29.2   42.7   29.2   42.7   29.5   43.1 Analysis Plot     
     20131002 215500 -930.0      N/A   N/A   88.88    8.06  35.0 SSMI18  29.3   42.6   29.3   42.6   29.3   42.8 Analysis Plot     
     20131003 082210   -7.2      N/A   1.4% 122.21    7.18  30.0   TRMM  30.1   41.6   30.1   41.6   30.3   41.5 Analysis Plot     
     20131003 091900   -4.9      N/A   8.2% 122.21    4.93  30.0 SSMI17  30.3   41.3   30.3   41.3   30.4   41.3 Analysis Plot     
     20131003 113742    N/A      N/A   N/A     N/A     N/A  30.0   TRMM  30.6   40.8   30.6   40.8   30.5   40.6 Analysis Plot     
     20131003 131522   -0.3      N/A  30.1%  44.44     .35  30.0   TRMM  30.9   40.4   30.9   40.4   30.5   40.5 Analysis Plot     
     20131003 193000   -6.7      N/A   N/A  222.20    6.67  30.0 SSMI16  31.4   39.5   31.4   39.5   31.6   39.2 Analysis Plot     
     20131003 204000 -930.0      N/A   N/A  177.76    7.52  30.0 SSMI17  31.5   39.2   31.5   39.2   31.8   38.9 Analysis Plot     
     20131003 214300   -5.9      N/A  11.0% 199.98    5.87  30.0 SSMI18  31.6   39.0   31.6   39.0   31.9   38.6 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.