Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning NHC estimate
20121019T151042 tmi 5.0 0.0% 9.5 -9.5 n/a   30.0 kts
20121021T145821 tmi 56.7 0.0% 7.8 -7.8 n/a   30.0 kts
20121021T230947 tmi 5.0 0.0% 0.0 -0.0 n/a   30.0 kts
20121022T195633 ssmis16 12.2 0.0% 1.7 -1.7 n/a   30.0 kts
20121022T205418 ssmis16 12.2 0.0% 1.4 -1.4 n/a   30.0 kts
20121022T205747 ssmis17 12.2 0.0% 0.8 -0.8 n/a   30.0 kts
20121022T205852 ssmis17 23.4 9.6% 2.7 -2.7 n/a   30.0 kts
20121022T221352 tmi 45.6 2.7% 5.0 -5.0 n/a   30.0 kts
20121022T225528 ssmis18 101.2 8.2% 5.3 -5.3 n/a   30.0 kts
20121023T092914 ssmis17 45.6 6.8% 4.1 -4.1 n/a   30.0 kts
20121023T093743 ssmis16 45.6 12.3% 6.0 -6.0 n/a   30.0 kts
20121023T112644 ssmis18 12.2 17.8% 0.8 -0.8 n/a   30.0 kts
20121023T144552 tmi 45.6 45.2% 3.2 -3.2 n/a   30.0 kts
20121023T202120 ssmis17 101.2 13.7% 7.4 -7.4 n/a   31.2 kts
20121023T204646 ssmis17 78.9 17.8% 5.1 -5.1 n/a   31.6 kts
20121023T205450 ssmis16 78.9 19.2% 5.8 -5.8 n/a   31.8 kts
20121023T211822 tmi 12.2 NaN% NaN NaN n/a   32.2 kts
20121023T221636 ssmis18 112.3 30.1% 2.8 -2.8 n/a   33.3 kts
20121024T091520 ssmis17 23.4 76.7% 9.9 -9.9 n/a   43.4 kts
20121024T092353 ssmis16 23.4 76.7% 9.9 -9.9 n/a   43.5 kts
20121024T110801 ssmis18 45.6 52.0% 2.5 -2.5 n/a   44.8 kts
20121024T135155 tmi 101.2 57.5% 19.8 -19.8 n/a   45.0 kts
20121024T184552 tmi 12.2 5.5% 7.0 -7.0 n/a   45.0 kts
20121024T202048 ssmis16 112.3 30.1% 14.2 -14.2 n/a   45.0 kts
20121024T203327 ssmis17 101.2 28.8% 9.2 -9.2 n/a   45.0 kts
20121024T203437 ssmis17 112.3 26.0% 10.3 -10.3 n/a   45.0 kts
20121024T220412 ssmis18 145.7 37.0% 8.7 -8.7 n/a   45.0 kts
20121024T223324 ssmis18 156.8 32.9% 8.4 -8.4 n/a   45.0 kts
20121025T090130 ssmis17 90.1 20.6% 6.7 -6.7 n/a   39.9 kts
20121025T105959 ssmis18 90.1 12.3% 13.1 -13.1 n/a   35.7 kts
20121025T143610 tmi 145.7 13.7% 11.2 -11.2 n/a   35.0 kts
20121025T161413 tmi 190.1 NaN% NaN NaN n/a   35.0 kts
20121025T175212 tmi 179.0 12.3% 14.9 -14.9 n/a   35.0 kts
20121025T222050 ssmis18 134.5 0.0% 8.3 -8.3 n/a   35.0 kts
20121026T104708 ssmis18 212.4 NaN% NaN NaN n/a   35.0 kts
20121026T134223 tmi 123.4 NaN% NaN NaN n/a   34.9 kts
20121026T152021 tmi 5.0 0.0% 0.0 -0.0 n/a   34.5 kts
20121026T164905 ssmi15 67.8 0.0% 2.4 -2.4 n/a   34.0 kts
20121026T165817 tmi 56.7 4.1% 2.7 -2.7 n/a   33.9 kts
20121026T181728 ssmis16 23.4 23.3% 5.2 -5.2 n/a   33.3 kts
20121026T213317 ssmis18 201.2 84.9% 2.8 -2.8 n/a   31.5 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).