Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning NHC estimate
20121009T092129 tmi 12.2 0.0% 6.5 -6.5 n/a   45.0 kts
20121010T001311 tmi 5.0 0.0% 5.2 -5.2 n/a   45.0 kts
20121010T082536 tmi 12.2 0.0% 0.0 -0.0 n/a   45.0 kts
20121010T231707 tmi 5.0 0.0% 5.9 -5.9 n/a   45.0 kts
20121012T081117 tmi 12.2 0.0% 5.4 -5.4 n/a   45.0 kts
20121012T230251 tmi 101.2 11.0% 5.9 -5.9 n/a   45.0 kts
20121013T220649 tmi 112.3 43.8% 1.4 -1.4 n/a   45.0 kts
20121014T040712 ssmis18 34.5 26.0% 3.1 -3.1 n/a   45.0 kts
20121014T131104 ssmis17 90.1 41.1% 0.0 -0.0 n/a   45.3 kts
20121014T131855 ssmis16 90.1 46.6% 0.0 -0.0 n/a   45.4 kts
20121014T231645 ssmi15 45.6 100.0% 22.4 -37.4 n/a   59.1 kts
20121015T035343 ssmis18 67.8 78.1% 13.9 13.9 n/a   63.1 kts
20121015T035518 ssmis18 56.7 82.2% 17.3 17.3 n/a   63.2 kts
20121015T070216 tmi 56.7 NaN% NaN NaN n/a   66.3 kts
20121015T115013 ssmi15 45.6 100.0% 42.8 57.8 >65 kts   74.6 kts
20121015T130521 ssmis16 34.5 100.0% 62.3 77.3 >85 kts# 78.1 kts
20121015T163135 ssmis18 67.8 6.8% 0.0 0.0 n/a   91.5 kts
20121015T215525 tmi 23.4 100.0% 45.1 60.1 >85 kts# 99.2 kts
20121015T230155 ssmi15 23.4 100.0% 34.1 49.1 >65 kts   99.8 kts
20121016T034423 ssmis18 23.4 100.0% 32.3 47.3 >65 kts   97.3 kts
20121016T060643 tmi 23.4 NaN% NaN NaN n/a   94.9 kts
20121016T113236 ssmi15 23.4 45.2% 5.8 5.8 n/a   90.6 kts
20121016T161614 ssmis18 145.7 19.2% 1.4 1.4 n/a   76.1 kts
20121016T223826 tmi 123.4 0.0% 1.6 1.6 n/a   58.3 kts
20121016T224801 ssmi15 212.4 0.0% 0.0 0.0 n/a   57.9 kts
20121017T033339 ssmis18 34.5 0.0% 2.1 -2.1 n/a   45.0 kts
20121017T111605 ssmi15 34.5 0.0% 3.5 -3.5 n/a   35.6 kts
20121017T141009 ssmis17 201.2 NaN% NaN NaN n/a   32.8 kts
20121017T160313 ssmis18 112.3 0.0% 0.4 -0.4 n/a   30.9 kts
20121017T214204 tmi 212.4 NaN% NaN NaN n/a   29.9 kts
20121018T012606 ssmis16 56.7 0.0% 4.2 -4.2 n/a   28.1 kts
20121018T012835 ssmis17 134.5 0.0% 1.8 -1.8 n/a   28.1 kts
20121018T032231 ssmis18 212.4 0.0% 6.0 -6.0 n/a   26.7 kts
20121018T041336 tmi 112.3 0.0% 5.4 -5.4 n/a   26.1 kts
20121018T135633 ssmis17 212.4 NaN% NaN NaN n/a   21.5 kts
20121018T140211 ssmis16 212.4 NaN% NaN NaN n/a   21.5 kts
20121018T154347 ssmis18 212.4 NaN% NaN NaN n/a   20.8 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).