Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20120626T213730 ssmis17 256.8 19.4% 3.8 -3.8 n/a   35.0 kts
20120626T213821 ssmis16 312.4 NaN% NaN NaN n/a   35.0 kts
20120626T222910 tmi 45.6 13.7% 3.1 -3.1 n/a   35.0 kts
20120627T084941 ssmis17 290.2 6.8% 7.6 -7.6 n/a   35.0 kts
20120627T085033 ssmis16 301.3 6.8% 7.9 -7.9 n/a   35.0 kts
20120627T110612 ssmis18 12.2 0.0% 5.1 -5.1 n/a   35.0 kts
20120627T132130 tmi 23.4 0.0% 6.2 -6.2 n/a   35.0 kts
20120627T211309 ssmis17 323.5 0.0% 3.0 -3.0 n/a   37.8 kts
20120627T212512 ssmis16 323.5 1.4% 1.6 -1.6 n/a   38.0 kts
20120627T213240 tmi 5.0 0.0% 2.0 -2.0 n/a   38.2 kts
20120627T234100 ssmis18 323.5 NaN% NaN NaN n/a   40.0 kts
20120628T073419 ssmi15 256.8 NaN% NaN NaN n/a   30.5 kts
20120628T140236 tmi 201.2 11.0% 8.0 -8.0 n/a   40.1 kts
20120628T200551 ssmi15 301.3 NaN% NaN NaN n/a   49.0 kts
20120628T221323 tmi -919.0 -999.0% -999.0 -909.0 n/a   46.8 kts
20120629T010952 ssmis18 34.5 NaN% NaN NaN n/a   43.9 kts
20120629T095231 ssmis17 323.5 NaN% NaN NaN n/a   40.0 kts
20120629T100729 ssmis16 323.5 NaN% NaN NaN n/a   40.0 kts
20120629T120005 ssmis18 256.8 NaN% NaN NaN n/a   40.0 kts
20120629T211556 tmi 312.4 NaN% NaN NaN n/a   37.2 kts
20120629T223840 ssmis17 90.1 0.0% 0.0 -0.0 n/a   35.7 kts
20120630T005650 ssmis18 212.4 0.0% 0.4 -0.4 n/a   35.0 kts
20120630T091730 ssmis16 223.5 0.0% 1.7 -1.7 n/a   28.0 kts
20120630T092122 ssmis17 223.5 0.0% 1.8 -1.8 n/a   27.9 kts
20120630T113355 ssmis18 78.9 0.0% 0.4 -0.4 n/a   25.3 kts
20120630T134644 tmi 167.9 2.7% 1.5 -1.5 n/a   23.9 kts
20120630T201855 tmi 12.2 0.0% 1.3 -1.3 n/a   20.7 kts
20120630T211500 ssmi15 12.2 0.0% 0.5 -0.5 n/a   20.4 kts
20120630T211503 ssmi15 5.0 0.0% 0.5 -0.5 n/a   20.4 kts
20120630T221155 ssmis17 267.9 NaN% NaN NaN n/a   20.2 kts
20120630T222119 ssmis16 12.2 0.0% 1.3 -1.3 n/a   20.2 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.