Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20161219T103338 ssmis17_85 234.6 NaN% NaN NaN n/a   35.0 kts
20161219T105230 ssmis18_85 12.2 56.2% 1.1 -1.1 n/a   35.0 kts
20161219T180756 amsr2_85 67.8 32.9% 0.3 -0.3 n/a   35.0 kts
20161219T211640 gmi_85 123.4 NaN% NaN NaN n/a   35.0 kts
20161220T062049 amsr2_85 179.0 NaN% NaN NaN n/a   35.0 kts
20161220T081431 ssmis16_85 223.5 NaN% NaN NaN n/a   35.0 kts
20161220T233304 ssmis18_85 323.5 NaN% NaN NaN n/a   37.3 kts
20161221T080117 ssmis16_85 323.5 NaN% NaN NaN n/a   40.8 kts
20161221T093641 gmi_85 5.0 91.8% 0.0 -15.0 n/a   41.5 kts
20161221T175500 amsr2_85 234.6 NaN% NaN NaN n/a   45.0 kts
20161221T225922 ssmis17_85 290.2 NaN% NaN NaN n/a   45.0 kts
20161221T232020 ssmis18_85 NaN 50.7% 0.0 -920.0 n/a   45.0 kts
20161222T060855 amsr2_85 5.0 49.3% 0.0 -0.0 n/a   44.9 kts
20161222T190026 ssmi15_85 323.5 NaN% NaN NaN n/a   39.6 kts
20161222T201141 gmi_85 12.2 83.6% 0.0 -0.0 n/a   39.1 kts
20161222T204018 ssmis16_85 323.5 NaN% NaN NaN n/a   38.9 kts
20161222T224606 ssmis17_85 323.5 NaN% NaN NaN n/a   38.0 kts
20161222T224607 ssmis17_85 323.5 NaN% NaN NaN n/a   38.0 kts
20161222T230756 ssmis18_85 134.5 NaN% NaN NaN n/a   37.9 kts
20161222T230757 ssmis18_85 NaN 56.2% 2.6 -920.0 n/a   37.9 kts
20161223T174250 amsr2_85 134.5 26.0% 2.8 -2.8 n/a   30.1 kts
20161223T184435 ssmi15_85 179.0 NaN% NaN NaN n/a   30.0 kts
20161223T202712 ssmis16_85 323.5 NaN% NaN NaN n/a   30.0 kts
20161223T223250 ssmis17_85 101.2 0.0% 0.7 -0.7 n/a   29.1 kts
20161223T225536 ssmis18_85 123.4 4.1% 1.0 -1.0 n/a   28.9 kts
20161223T225537 ssmis18_85 123.4 4.1% 1.0 -1.0 n/a   28.9 kts
20161224T055603 amsr2_85 167.9 NaN% NaN NaN n/a   25.0 kts
20161224T083641 gmi_85 323.5 NaN% NaN NaN n/a   25.0 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).