Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20120204T195102 ssmis16 212.4 17.2% 2.3 -2.3 n/a   45.0 kts
20120205T063552 ssmis17 12.2 84.9% 0.0 -0.0 n/a   45.0 kts
20120205T195753 ssmis16 101.2 NaN% NaN NaN n/a   45.9 kts
20120206T065048 ssmis17 12.2 0.0% 0.0 -0.0 n/a   60.5 kts
20120206T091554 ssmis18 67.8 46.6% 7.5 7.5 n/a   61.5 kts
20120206T181143 ssmis17 45.6 100.0% 29.9 44.9 >65 kts   65.2 kts
20120207T064600 ssmis17 34.5 100.0% 56.5 71.5 >85 kts# 101.0 kts
20120207T090312 ssmis18 34.5 100.0% 73.4 88.4 >85 kts# 103.5 kts
20120207T175921 ssmis17 34.5 100.0% 47.4 62.4 >85 kts# 110.0 kts
20120207T201713 ssmis18 34.5 100.0% 52.0 67.0 >85 kts# 111.3 kts
20120208T060449 ssmis17 34.5 100.0% 72.2 87.2 >85 kts# 115.0 kts
20120208T174711 ssmis17 34.5 100.0% 50.1 65.1 >85 kts# 115.0 kts
20120208T200324 ssmis18 34.5 100.0% 47.9 62.9 >85 kts# 114.5 kts
20120209T060445 ssmis17 167.9 0.0% 1.2 1.2 n/a   104.9 kts
20120209T061833 ssmis17 23.4 100.0% 49.6 64.7 >85 kts# 104.7 kts
20120209T083703 ssmis18 101.2 0.0% 4.3 4.3 n/a   102.1 kts
20120209T083725 ssmis18 23.4 100.0% 39.0 54.0 >65 kts   102.1 kts
20120209T173110 ssmis17 67.8 48.0% 15.8 15.8 n/a   90.6 kts
20120209T195419 ssmis18 56.7 57.5% 13.4 13.4 n/a   87.3 kts
20120210T033330 tmi 67.8 100.0% 38.2 53.2 >65 kts   76.1 kts
20120210T060500 ssmis17 67.8 100.0% 25.6 40.6 >65 kts   75.0 kts
20120210T073819 ssmis18 67.8 100.0% 24.9 39.9 >65 kts   75.0 kts
20120210T172232 ssmis17 45.6 57.5% 8.2 8.2 n/a   75.0 kts
20120210T194230 ssmis18 45.6 43.8% 5.1 5.1 n/a   75.0 kts
20120210T214418 tmi 45.6 32.9% 7.1 7.1 n/a   75.0 kts
20120211T023849 tmi 5.0 32.9% 3.3 3.3 n/a   75.0 kts
20120211T055152 ssmis17 12.2 57.5% 0.0 0.0 n/a   75.0 kts
20120211T055153 ssmis17 5.0 8.2% 0.0 0.0 n/a   75.0 kts
20120211T060326 ssmis16 123.4 NaN% NaN NaN n/a   75.0 kts
20120211T060445 ssmis17 12.2 0.0% 0.5 0.5 n/a   75.0 kts
20120211T081221 ssmis18 190.1 NaN% NaN NaN n/a   72.7 kts
20120211T081222 ssmis18 212.4 NaN% NaN NaN n/a   72.7 kts
20120211T170930 ssmis17 156.8 6.8% 1.1 1.1 n/a   46.3 kts
20120211T170931 ssmis17 156.8 6.8% 1.1 -1.1 n/a   46.3 kts
20120211T193010 ssmis18 201.2 11.0% 4.1 -4.1 n/a   43.1 kts
20120211T204942 tmi 212.4 8.2% 5.0 -5.0 n/a   41.5 kts
20120212T051454 ssmis17 101.2 9.6% 0.2 -0.2 n/a   35.1 kts
20120212T051505 ssmis17 112.3 28.8% 0.5 -0.5 n/a   35.1 kts
20120212T075550 ssmis18 90.1 34.2% 2.1 -2.1 n/a   35.0 kts
20120212T163956 ssmis17 23.4 43.8% 0.0 -0.0 n/a   35.0 kts
20120212T163958 ssmis17 34.5 42.5% 0.0 -0.0 n/a   35.0 kts
20120212T191715 ssmis18 45.6 56.2% 0.0 -0.0 n/a   35.0 kts
20120212T191717 ssmis18 45.6 53.4% 0.0 -0.0 n/a   35.0 kts
20120212T195448 tmi 34.5 31.5% 0.1 -0.1 n/a   35.0 kts
20120213T022743 tmi 45.6 0.0% 2.7 -2.7 n/a   35.0 kts
20120213T044429 ssmis17 56.7 0.0% 1.1 -1.1 n/a   35.0 kts
20120213T044437 ssmis17 156.8 0.0% 1.8 -1.8 n/a   35.0 kts
20120213T072411 ssmis18 190.1 0.0% 3.0 -3.0 n/a   35.0 kts
20120213T164223 ssmis17 12.2 67.1% 0.0 -0.0 n/a   35.0 kts
20120213T185931 tmi 23.4 69.9% 0.0 -0.0 n/a   35.0 kts
20120214T013241 tmi 23.4 64.4% 0.0 -0.0 n/a   35.0 kts
20120214T051447 ssmis17 34.5 42.5% 12.8 -12.8 n/a   35.0 kts
20120214T175057 ssmis16 167.9 11.1% 4.0 -4.0 n/a   35.0 kts
20120214T180354 tmi 12.2 20.6% 2.5 -2.5 n/a   35.0 kts
20120215T061818 ssmis16 5.0 NaN% NaN NaN n/a   35.0 kts
20120215T175054 ssmis16 34.5 45.2% 0.0 -0.0 n/a   35.0 kts
20120215T175624 tmi 123.4 NaN% NaN NaN n/a   35.0 kts
20120216T062214 ssmis16 212.4 22.7% 3.8 -3.8 n/a   29.8 kts
20120216T173853 ssmis16 201.2 0.0% 3.8 -3.8 n/a   25.1 kts
20120216T175106 tmi 5.0 0.0% 1.0 -1.0 n/a   25.1 kts
20120216T201027 ssmis18 190.1 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.