Tropical Storm 23P


Passive Microwave (PMW) Intensity Information
Advanced Dvorak Technique (ADT)
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              
     20140405 072800  -18.1      N/A 100.0%  44.44    3.11  45.0 SSMI17 -11.8 -155.7  -11.8 -155.7  -12.0 -156.0 Analysis Plot     
     20140405 074332  -19.9      N/A 100.0%  55.55    4.92  45.0   TRMM -11.9 -155.6  -12.0 -155.9  -12.0 -155.9 Analysis Plot     
     20140405 091000  -17.3      N/A 100.0%  88.88    2.28  45.0 SSMI18 -11.9 -155.6  -12.0 -155.6  -12.0 -155.6 Analysis Plot     
     20140405 161441   -0.0      N/A   N/A     N/A    0.00  45.0 SSMI15 -12.1 -155.2  -12.1 -155.2  -12.4 -155.4 Analysis Plot     
     20140406 071600 -930.0      N/A   N/A  133.32  1271.4  45.0 SSMI17 -12.5 -154.4  -12.5 -154.4  -11.9 -154.3 Analysis Plot     
     20140406 163839  -12.2      N/A  20.5% 155.54   12.24  45.0   TRMM -12.2 -153.5  -12.2 -154.0  -12.2 -154.0 Analysis Plot     
     20140406 200600 -930.0      N/A   N/A   77.77  1273.5  45.0 SSMI17 -12.3 -153.4  -12.6 -153.4  -12.6 -153.4 Analysis Plot     
     20140406 214800  -15.5      N/A  54.8% 122.21   15.53  45.0 SSMI18 -12.3 -153.4  -12.2 -153.4  -12.2 -153.4 Analysis Plot     
     20140407 154249  -37.0      N/A 100.0%  44.44   22.00  45.0   TRMM -12.1 -153.2  -11.6 -153.4  -11.6 -153.4 Analysis Plot     
     20140407 190000   20.8  >65 kts 100.0%  22.22    5.80  60.0 SSMI16 -11.7 -153.1  -11.5 -153.1  -11.5 -153.1 Analysis Plot     
     20140407 195200   -0.0      N/A   N/A     N/A    0.00  60.0 SSMI17 -11.7 -153.1  -11.7 -153.1  -11.1 -153.5 Analysis Plot     
     20140407 213500   33.3  >65 kts  93.2%  66.66   18.27  60.0 SSMI18 -11.7 -153.0  -11.5 -153.1  -11.5 -153.1 Analysis Plot     
     20140408 063307   -0.0      N/A   N/A     N/A    0.00  65.0   TRMM -11.5 -152.4  -11.5 -152.4  -11.9 -152.7 Analysis Plot     
     20140408 101400    8.7      N/A  54.8%  66.66    8.69  65.0 SSMI18 -11.5 -152.1  -11.6 -152.4  -11.6 -152.4 Analysis Plot     
     20140408 170827    7.5      N/A  12.3%  66.66    7.46  65.0 SSMI15 -11.5 -151.6  -11.5 -151.9  -11.5 -151.9 Analysis Plot     
     20140408 184600   -0.0      N/A   N/A     N/A    0.00  70.0 SSMI16 -11.4 -151.9  -11.4 -151.9  -11.5 -151.5 Analysis Plot     
     20140408 193900 -930.0      N/A   N/A   99.99  1270.4  70.0 SSMI17 -11.4 -151.8  -11.4 -151.8  -11.9 -151.1 Analysis Plot     
     20140408 212300    4.1      N/A   N/A  188.87    4.07  70.0 SSMI18 -11.4 -151.6  -11.1 -151.1  -11.1 -151.1 Analysis Plot     
     20140409 053751   43.1  >65 kts 100.0%  88.88   28.05  70.0   TRMM -11.4 -150.6  -11.4 -150.5  -11.4 -150.5 Analysis Plot     
     20140409 081700    6.3      N/A  72.6%  44.44    6.34  80.0 SSMI17 -11.6 -149.9  -11.3 -150.0  -11.3 -150.0 Analysis Plot     
     20140409 100100   27.9  >65 kts  89.0%  44.44   12.93  80.0 SSMI18 -11.6 -149.7  -11.4 -149.7  -11.4 -149.7 Analysis Plot     
     20140409 152835   38.3  >65 kts 100.0%  33.33   23.27  80.0   TRMM -11.9 -149.0  -11.4 -148.9  -11.4 -148.9 Analysis Plot     
     20140409 183300   32.3  >65 kts  91.8%  22.22   17.26  90.0 SSMI16 -11.8 -148.6  -11.6 -148.7  -11.6 -148.7 Analysis Plot     
     20140409 192700   10.6      N/A  83.6%  22.22   10.64  90.0 SSMI17 -11.8 -148.6  -11.7 -148.6  -11.7 -148.6 Analysis Plot     
     20140410 071000   46.3  >65 kts 100.0%  22.22   31.27 115.0 SSMI16 -12.5 -147.1  -12.7 -147.0  -12.7 -147.0 Analysis Plot     
     20140410 094900   63.5  >85 kts 100.0%  22.22   48.50 115.0 SSMI18 -12.7 -146.9  -12.7 -146.6  -12.7 -146.6 Analysis Plot     
     20140410 143220   68.2  >85 kts 100.0%  22.22   53.18 115.0   TRMM -13.1 -146.5  -13.0 -146.2  -13.0 -146.2 Analysis Plot     
     20140411 052402   51.5  >65 kts 100.0%  22.22   36.49 125.0   TRMM -14.5 -145.4  -14.4 -145.5  -14.4 -145.5 Analysis Plot     
     20140411 075100 -930.0      N/A   N/A  199.98  1266.7 125.0 SSMI17 -14.6 -145.4  -14.6 -145.4  -14.5 -145.7 Analysis Plot     
     20140411 223000   -0.0      N/A   N/A     N/A    0.00  75.0 SSMI18 -16.0 -145.0  -15.8 -145.2  -15.8 -145.2 Analysis Plot     
     20140412 203100 -930.0      N/A   N/A  166.65  1276.2  45.0 SSMI17 -18.1 -146.4  -18.4 -146.6  -18.4 -146.6 Analysis Plot     
     20140412 221700  -11.3      N/A  57.5% 199.98   11.26  45.0 SSMI18 -18.4 -146.6  -18.5 -147.1  -18.5 -147.1 Analysis Plot     
     20140413 050948   -6.0      N/A  60.3%  55.55    5.99  45.0   TRMM -19.4 -147.6  -19.4 -147.6  -20.1 -148.2 Analysis Plot     
     20140413 114348 -930.0      N/A   N/A  166.65  1276.4  45.0   TRMM -20.9 -149.6  -20.8 -150.2  -20.8 -150.2 Analysis Plot     
     20140414 061600  -19.4      N/A 100.0%  11.11    4.41  45.0 SSMI16 -24.1 -155.1  -24.1 -155.1  -24.9 -155.6 Analysis Plot     
     20140414 104847   -8.4      N/A   9.6% 122.21    8.42  40.0   TRMM -24.2 -156.4  -24.2 -156.4  -24.6 -156.4 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.