Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20151210T084954 amsr2_85 45.6 100.0% 22.5 -37.5 n/a   36.2 kts
20151210T111623 ssmis16_85 179.0 NaN% NaN NaN n/a   37.2 kts
20151210T141633 ssmis19_85 145.7 5.5% 0.0 -0.0 n/a   38.4 kts
20151210T142352 ssmis18_85 145.7 5.5% 0.9 -0.9 n/a   38.5 kts
20151210T220059 ssmi15_85 190.1 6.8% 4.7 -4.7 n/a   40.0 kts
20151211T012754 ssmis19_85 134.5 12.3% 2.6 -2.6 n/a   40.0 kts
20151211T013557 ssmis17_85 190.1 20.0% 4.9 -4.9 n/a   40.0 kts
20151211T023640 gmi_85 123.4 17.8% 0.0 -0.0 n/a   40.0 kts
20151211T093206 amsr2_85 323.5 NaN% NaN NaN n/a   38.5 kts
20151211T103425 ssmi15_85 212.4 5.5% 2.6 -2.6 n/a   38.1 kts
20151211T140204 ssmis19_85 112.3 16.4% 2.8 -2.8 n/a   36.7 kts
20151211T141025 ssmis17_85 90.1 12.3% 2.5 -2.5 n/a   36.6 kts
20151211T202445 amsr2_85 56.7 35.6% 2.0 -2.0 n/a   34.0 kts
20151211T214553 ssmi15_85 323.5 NaN% NaN NaN n/a   33.4 kts
20151211T235623 ssmis16_85 45.6 67.1% 0.0 -0.0 n/a   32.5 kts
20151212T012327 ssmis17_85 145.7 NaN% NaN NaN n/a   31.9 kts
20151212T030459 ssmis18_85 312.4 NaN% NaN NaN n/a   31.2 kts
20151212T101801 ssmi15_85 301.3 NaN% NaN NaN n/a   34.3 kts
20151212T130641 gmi_85 323.5 NaN% NaN NaN n/a   32.7 kts
20151212T134810 ssmis19_85 323.5 NaN% NaN NaN n/a   32.3 kts
20151212T135630 ssmis17_85 323.5 NaN% NaN NaN n/a   32.3 kts
20151212T210834 amsr2_85 301.3 NaN% NaN NaN n/a   30.0 kts
20151212T213038 ssmi15_85 323.5 NaN% NaN NaN 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).