Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20120930T193554 ssmis17 23.4 100.0% 10.8 -25.8 n/a   30.0 kts
20120930T193555 ssmis17 34.5 95.9% 8.9 -23.9 n/a   30.0 kts
20120930T194248 ssmis16 23.4 100.0% 12.0 -27.0 n/a   30.0 kts
20120930T203107 tmi 12.2 72.6% 2.8 -2.8 n/a   30.0 kts
20120930T225837 ssmis18 179.0 NaN% NaN NaN n/a   30.0 kts
20121001T101148 ssmis18 190.1 NaN% NaN NaN n/a   33.9 kts
20121001T112339 tmi 190.1 NaN% NaN NaN n/a   34.9 kts
20121001T193452 tmi 279.1 14.1% 6.3 -6.3 n/a   35.9 kts
20121002T060625 ssmi15 56.7 0.0% 4.0 -4.0 n/a   40.0 kts
20121002T075027 ssmis17 145.7 9.6% 12.1 -12.1 n/a   40.0 kts
20121002T082503 ssmis16 145.7 11.0% 14.1 -14.1 n/a   40.0 kts
20121002T093829 ssmis18 56.7 30.1% 7.8 -7.8 n/a   40.0 kts
20121002T120526 tmi 34.5 16.4% 5.5 -5.5 n/a   40.0 kts
20121002T183653 ssmi15 134.5 13.7% 7.3 -7.3 n/a   45.0 kts
20121002T183809 tmi 134.5 12.3% 8.7 -8.7 n/a   45.0 kts
20121002T204707 ssmis17 45.6 26.0% 3.7 -3.7 n/a   45.0 kts
20121002T205623 ssmis16 90.1 19.2% 3.1 -3.1 n/a   45.0 kts
20121002T222510 ssmis18 56.7 0.0% 2.8 -2.8 n/a   45.0 kts
20121003T055223 ssmi15 90.1 NaN% NaN NaN n/a   45.0 kts
20121003T074608 ssmis17 56.7 23.3% 8.0 -8.0 n/a   45.0 kts
20121003T081339 ssmis16 67.8 31.5% 7.5 -7.5 n/a   45.0 kts
20121003T094808 ssmis18 190.1 NaN% NaN NaN n/a   45.0 kts
20121003T124841 tmi 23.4 4.1% 13.7 -13.7 n/a   45.0 kts
20121003T174225 tmi 223.5 5.5% 4.5 -4.5 n/a   45.0 kts
20121003T181858 ssmi15 23.4 0.0% 1.2 -1.2 n/a   45.0 kts
20121003T202526 ssmis17 323.5 NaN% NaN NaN n/a   45.0 kts
20121003T204059 ssmis16 323.5 NaN% NaN NaN n/a   45.0 kts
20121003T221735 ssmis18 323.5 NaN% NaN NaN n/a   45.0 kts
20121004T053933 ssmi15 256.8 0.0% 2.8 -2.8 n/a   45.0 kts
20121004T072701 ssmis17 167.9 0.0% 2.1 -2.1 n/a   44.9 kts
20121004T175938 ssmi15 301.3 NaN% NaN NaN n/a   40.0 kts
20121004T200742 ssmis17 301.3 NaN% NaN NaN n/a   40.0 kts
20121004T202442 ssmis16 23.4 0.0% 2.0 -2.0 n/a   40.0 kts
20121004T220154 ssmis18 301.3 NaN% NaN NaN n/a   40.0 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).