Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20161207T220920 ssmis16 134.5 54.8% 0.1 -0.1 n/a   42.7 kts
20161208T001812 ssmis17 167.9 46.6% 13.9 -13.9 n/a   45.0 kts
20161208T002708 ssmis18 167.9 63.0% 10.7 -10.7 n/a   45.0 kts
20161208T082036 ssmi15 212.4 0.0% 3.4 -3.4 n/a   45.0 kts
20161208T085453 ssmis16 101.2 4.1% 1.8 -1.8 n/a   45.0 kts
20161208T205629 ssmi15 212.4 NaN% NaN NaN n/a   45.0 kts
20161208T214144 ssmis16 156.8 NaN% NaN NaN n/a   45.0 kts
20161209T000447 ssmis17 67.8 8.2% 2.5 -2.5 n/a   45.0 kts
20161209T080442 ssmi15 167.9 NaN% NaN NaN n/a   45.0 kts
20161209T122703 ssmis18 212.4 NaN% NaN NaN n/a   45.1 kts
20161209T204029 ssmi15 45.6 52.0% 10.1 -10.1 n/a   52.2 kts
20161209T214259 ssmis16 78.9 NaN% NaN NaN n/a   53.1 kts
20161210T103203 ssmis16 56.7 78.1% 12.3 12.3 n/a   64.5 kts
20161210T123309 ssmis18 45.6 82.2% 13.6 13.6 n/a   65.0 kts
20161210T124229 ssmis17 45.6 87.7% 17.1 32.1 >65 kts   65.0 kts
20161211T011046 ssmis18 45.6 52.0% 11.9 11.9 n/a   71.1 kts
20161211T011916 ssmis17 56.7 46.6% 14.7 14.7 n/a   71.3 kts
20161211T091416 ssmi15 67.8 38.4% 21.4 21.4 >65 kts   75.0 kts
20161211T102103 ssmis16 67.8 100.0% 30.0 45.0 >65 kts   75.0 kts
20161211T120629 ssmis17 45.6 60.3% 7.7 7.7 n/a   75.0 kts
20161211T124118 ssmis18 56.7 64.4% 5.6 5.6 n/a   74.8 kts
20161211T224441 ssmis16 34.5 60.3% 11.5 11.5 n/a   74.4 kts
20161212T010527 ssmis18 34.5 52.0% 9.6 9.6 n/a   75.0 kts
20161212T010544 ssmis17 45.6 56.2% 11.6 11.6 n/a   75.0 kts
20161212T085834 ssmi15 101.2 26.0% 2.4 2.4 n/a   75.0 kts
20161212T213347 ssmi15 190.1 NaN% NaN NaN n/a   42.8 kts
20161212T224500 ssmis16 5.0 0.0% 0.7 -0.7 n/a   40.6 kts
20161213T005246 ssmis17 56.7 0.0% 0.9 -0.9 n/a   36.9 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).