Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20121023T212107 ssmis16 179.0 5.5% 0.0 -0.0 n/a   33.8 kts
20121023T212706 ssmis17 134.5 2.7% 4.3 -4.3 n/a   33.8 kts
20121024T070353 ssmi15 179.0 NaN% NaN NaN n/a   35.0 kts
20121024T084428 ssmis16 34.5 87.7% 12.9 -27.9 n/a   35.0 kts
20121024T114726 ssmis18 23.4 100.0% 27.4 -42.4 n/a   35.0 kts
20121024T200234 ssmi15 179.0 NaN% NaN NaN n/a   45.0 kts
20121024T211345 ssmis17 56.7 NaN% NaN NaN n/a   45.0 kts
20121024T212029 ssmis16 45.6 42.5% 3.8 -3.8 n/a   45.0 kts
20121025T003019 tmi 45.6 NaN% NaN NaN n/a   45.0 kts
20121025T100234 ssmis17 101.2 9.6% 0.7 -0.7 n/a   41.2 kts
20121025T102025 tmi 223.5 NaN% NaN NaN n/a   40.9 kts
20121025T112749 ssmis18 134.5 19.2% 1.7 -1.7 n/a   40.1 kts
20121025T222654 ssmis17 123.4 NaN% NaN NaN n/a   47.2 kts
20121026T004014 ssmis18 56.7 11.0% 7.2 -7.2 n/a   49.6 kts
20121026T011134 tmi 12.2 0.0% 1.7 -1.7 n/a   50.2 kts
20121026T081510 ssmi15 245.7 31.5% 9.7 -9.7 n/a   56.9 kts
20121026T094613 ssmis16 156.8 34.2% 6.6 -6.6 n/a   58.1 kts
20121026T095310 ssmis17 156.8 38.4% 8.2 -8.2 n/a   58.2 kts
20121026T204902 ssmi15 12.2 19.2% 1.7 1.7 n/a   65.0 kts
20121026T222805 ssmis17 34.5 30.1% 1.7 1.7 n/a   65.0 kts
20121026T223646 ssmis16 34.5 21.9% 6.4 6.4 n/a   65.0 kts
20121027T002805 ssmis18 256.8 59.4% 7.5 7.5 n/a   65.1 kts
20121027T080008 ssmi15 12.2 100.0% 27.3 42.3 >65 kts   86.4 kts
20121027T085605 ssmis16 12.2 100.0% 20.4 35.4 >65 kts   93.9 kts
20121027T090736 ssmis16 12.2 98.6% 19.8 34.8 >65 kts   95.5 kts
20121027T203254 ssmi15 167.9 100.0% 27.0 42.0 >65 kts   102.4 kts
20121027T221456 ssmis17 78.9 NaN% NaN NaN n/a   100.7 kts
20121027T222336 ssmis16 134.5 100.0% 38.8 53.8 >65 kts   100.6 kts
20121028T005711 tmi 123.4 100.0% 38.4 53.4 >65 kts   100.0 kts
20121028T090829 tmi 45.6 37.0% 22.4 22.4 >65 kts   96.2 kts
20121028T131053 ssmis18 45.6 100.0% 21.0 36.0 >65 kts   87.4 kts
20121029T013858 ssmis18 245.7 NaN% NaN NaN n/a   60.0 kts
20121029T081230 tmi 190.1 0.0% 2.2 -2.2 n/a   49.7 kts
20121029T121845 ssmis18 234.6 NaN% NaN NaN n/a   39.5 kts
20121030T004446 tmi 112.3 0.0% 0.4 -0.4 n/a   24.5 kts
20121030T012142 ssmis18 90.1 0.0% 1.8 -1.8 n/a   24.2 kts
20121030T071754 tmi 34.5 0.0% 1.4 -1.4 n/a   21.0 kts
20121030T104433 ssmis17 323.5 NaN% NaN NaN n/a   20.1 kts
20121030T122218 ssmis18 67.8 0.0% 0.3 -0.3 n/a   20.0 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).