Tropical Storm 10E

Passive Microwave (PMW) Intensity Information
Advanced Dvorak Technique
Version 9.1


       --Overpass--              --ARCHER--   Ring  Ring            Eye              BT   -Forecast-  
       Date    Time      Sat     Lat    Lon   Diam   Pct  TbDiff   Score  Meaning   Vmax  Lat    Lon                 
     20240922 202513     AMSR2   14.2  -98.5   N/A   N/A     N/A     N/A      N/A   30.0  13.8  -98.7 Analysis Plot     
     20240923 002814       GMI   14.2  -98.5    46   43%   10.96  -10.96      N/A   30.0  13.8  -98.7 Analysis Plot     
     20240923 083845     AMSR2   14.6  -98.6    34  100%   32.40  -47.40      N/A   40.0  14.5  -98.5 Analysis Plot     
     20240923 101432  SSMISF18   14.6  -98.9    23  100%   31.08  -46.08      N/A   40.0  14.6  -98.5 Analysis Plot     
     20240923 123029  SSMISF16   14.6  -98.6    34  100%   29.69   44.69  >65 kts   60.0  14.7  -98.4 Analysis Plot     
     20240923 125533  SSMISF17   14.6  -98.5    46  100%   31.25   46.25  >65 kts   60.0  14.7  -98.4 Analysis Plot     
     20240924 000752  SSMISF17   16.1  -98.8    23  100%   31.51   46.51  >65 kts   80.0  15.8  -98.5 Analysis Plot     
     20240924 111700       GMI   17.5 -100.5   157   31%    0.27    0.27      N/A   85.0  17.5 -100.5 Analysis Plot     
     20240924 124139  SSMISF17   17.4 -100.9   168   22%    0.85   -0.85      N/A   45.0  17.6 -100.8 Analysis Plot     
     20240924 201249     AMSR2   17.8 -101.4   N/A   N/A     N/A     N/A      N/A   35.0  16.2 -101.3 Analysis Plot     
     20240925 223907  SSMISF18   17.1 -102.2   101  100%   32.71  -47.71      N/A   45.0  16.9 -101.5 Analysis Plot     
     20240925 235727       GMI   16.9 -102.1    34  100%   24.10  -39.10      N/A   45.0  16.9 -101.5 Analysis Plot     
     20240926 005552  SSMISF16   16.9 -102.2    34   64%   16.41   16.41      N/A   55.0  16.9 -101.5 Analysis Plot     
     20240926 111339  SSMISF18   16.9 -102.6    57   53%   11.03   11.03      N/A   65.0  17.2 -102.7 Analysis Plot     
     20240926 133015  SSMISF16   16.9 -102.4    57   17%    1.54    1.54      N/A   65.0  17.5 -102.7 Analysis Plot     
     20240926 222553  SSMISF18   17.6 -102.8   268   18%    9.59    9.59      N/A   65.0  17.7 -102.9 Analysis Plot     
     20240927 004235  SSMISF16   17.5 -102.8   201   29%    4.93    4.93      N/A   65.0  17.8 -102.9 Analysis Plot     
     20240927 010643  SSMISF17   17.6 -102.6   201   15%    4.40    4.40      N/A   60.0  17.8 -102.9 Analysis Plot     
     20240927 104534       GMI   18.0 -102.6    46   N/A    1.63    1.63      N/A   55.0  18.0 -102.9 Analysis Plot     
     20240927 105929  SSMISF18   17.9 -102.6    57   N/A    0.65    0.65      N/A   55.0  18.1 -102.9 Analysis Plot     
     20240927 131616  SSMISF16   18.5 -104.3   N/A   N/A     N/A     N/A      N/A   50.0  18.3 -103.1 Analysis Plot     
     20240927 134034  SSMISF17   18.0 -103.8    12   32%    1.98   -1.98      N/A   50.0  18.1 -103.0 Analysis Plot

Legend

  - Overpass Date/Time are determined from satellite overpass of targeted TC (position determined from Best Track Lat/Lon position). Date is YYYYMMDD and time in HHMMSS (UTC).

  - Forecast (Best Track) and ARCHER positions (deg) of the TC center at overpass day/time. Positive/Negative: Latitude = North/South Hemisphere; Longitude = Eastern/Western Hemisphere.

  - BT Vmax is the concurrent ATCF Best Track (BT) wind speed intensity estimate (Vmax) value from either NOAA/National Hurricane Center (NHC) (North Atlantic and Northeast Pacific), NOAA/Central Pacific Hurricane Center (CPHC) (North-central Pacific) or Joint Typhoon Warning Center (JTWC) (Northwest Pacific, Indian Ocean, or Southwest Pacific).

  - Sat is the satellite descriptor providing the overpass. Currently the satellites used are the DMSP/SSMIS-16/17/18, GPM/GMI, and GCOM/AMSR2.

  - Ring Diam (km) indicates the estimated surface eyewall diameter if one is analyzed in the PMW imagery. The value listed is the average PMW-estimated inner eyewall edge diameter minus 10 km for eyewall slope. N/A indicates no appreciable eyewall is analyzed.

  - Ring Pct is the percentage of the analyzed "ring" (eyewall inner boundary) that is 1) colder than the eye Tb (the "hot spot" -- warmest eye pixel) by at least 20K, or 2) that is colder than 232K and colder than the eye Tb by 10K, whichever is greater. Values are red if Ring % ≤65,yellow/brown if Ring % ≤85 and green if Ring % >85. N/A indicates no appreciable eyewall is analyzed. A value over 85% is used in the intensity score by adding 15 points to it.

  - TbDiff is the difference between the warmest eye pixel and the warmest pixel on the eyewall. This value is used in the Intensity Score. N/A indicates no appreciable eyewall is analyzed.

  - Eye Score values are based on the strength and organization of the convective/eyewall signatures in the PMW imagery, and based on the ARCHER center location. They normally range from 0 to 100 with empirically-determined thresholds related to intensity (Vmax) in the "Meaning" column (≥20 suggests ≥65kts; ≥60 suggests ≥85kts). Scores are listed as negative, and not used by the ADT, when the NHC, CPHC, or JTWC Best Track Vmax is <55 kts in order to filter out occasional "false eye" cases. A value of -920 is used when the warmest eye pixel is <200K to prevent false positives; -930 means edge of overpass and <85% of eyewall is captured and therefore can't fully be analyzed.