Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20160126T203506 ssmis16 212.4 0.0% 2.9 -2.9 n/a   35.0 kts
20160127T091022 ssmis16 112.3 0.0% 1.6 -1.6 n/a   35.0 kts
20160127T102128 ssmis17 201.2 4.1% 0.2 -0.2 n/a   35.0 kts
20160127T111046 ssmis18 145.7 NaN% NaN NaN n/a   35.0 kts
20160127T202206 ssmis16 156.8 NaN% NaN NaN n/a   35.0 kts
20160127T230220 ssmis19 212.4 NaN% NaN NaN n/a   35.0 kts
20160128T085656 ssmis16 179.0 NaN% NaN NaN n/a   35.0 kts
20160128T100420 ssmis17 12.2 16.4% 0.0 -0.0 n/a   35.0 kts
20160128T190348 ssmi15 145.7 NaN% NaN NaN n/a   35.0 kts
20160128T200906 ssmis16 101.2 32.9% 0.0 -0.0 n/a   35.0 kts
20160128T223615 ssmis19 167.9 NaN% NaN NaN n/a   35.0 kts
20160128T225252 ssmis19 167.9 NaN% NaN NaN n/a   35.0 kts
20160129T084327 ssmis16 34.5 90.4% 6.2 -21.2 n/a   45.0 kts
20160129T100338 ssmis17 45.6 NaN% NaN NaN n/a   45.0 kts
20160129T184754 ssmi15 34.5 58.9% 0.0 0.0 n/a   55.8 kts
20160129T195625 ssmis16 56.7 71.2% 0.0 0.0 n/a   56.9 kts
20160129T224242 ssmis19 112.3 54.8% 5.3 5.3 n/a   59.0 kts
20160130T072108 ssmi15 112.3 37.0% 9.1 9.1 n/a   65.0 kts
20160130T082956 ssmis16 34.5 82.2% 17.8 17.8 n/a   65.0 kts
20160130T111609 ssmis19 34.5 37.0% 7.2 7.2 n/a   65.0 kts
20160130T183225 ssmi15 67.8 27.4% 0.0 0.0 n/a   55.0 kts
20160130T194356 ssmis16 12.2 57.5% 0.0 0.0 n/a   55.0 kts
20160130T222955 ssmis19 23.4 68.5% 1.1 -1.1 n/a   54.1 kts
20160130T232818 ssmis18 34.5 54.8% 5.1 -5.1 n/a   52.8 kts
20160131T070306 ssmi15 12.2 42.5% 0.0 -0.0 n/a   38.8 kts
20160131T075950 ssmis16 5.0 49.3% 0.0 -0.0 n/a   37.8 kts
20160131T110127 ssmis19 45.6 65.8% 0.0 -0.0 n/a   34.7 kts
20160131T181757 ssmi15 67.8 11.0% 9.0 -9.0 n/a   30.0 kts
20160131T193157 ssmis16 67.8 24.7% 10.8 -10.8 n/a   30.0 kts
20160131T221804 ssmis19 34.5 8.2% 16.8 -16.8 n/a   30.0 kts
20160131T221805 ssmis19 34.5 5.5% 15.9 -15.9 n/a   30.0 kts

Key:

Diameter values indicate the estimated surface eyewall diameter (the MI eyewall edge diameter minus 10 km).

Diameter values are red if Ring % <= 65, yellow/brown if Ring % <= 85 and green if Ring % > 85.

"Ring %" 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.

"Tb diff" is the difference between the "hot spot" (warmest eye pixel) and the warmest pixel on the eyewall.

Scores are listed as negative, and not used, when the JTWC or NHC estimated Vmax is <50 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; -909 is a failure to process (bad input data).