Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning NHC estimate
20120830T052730 tmi 67.8 35.6% 4.8 -4.8 n/a   30.0 kts
20120830T183944 tmi 67.8 24.7% 4.7 -4.7 n/a   30.0 kts
20120831T043044 tmi 5.0 0.0% 0.5 -0.5 n/a   30.0 kts
20120831T192257 tmi 134.5 0.0% 2.5 -2.5 n/a   30.0 kts
20120902T041615 tmi 34.5 0.0% 4.2 -4.2 n/a   30.0 kts
20120902T190816 tmi 12.2 20.6% 3.5 -3.5 n/a   30.0 kts
20120903T005731 ssmis17 179.0 2.7% 7.9 -7.9 n/a   30.0 kts
20120903T031923 tmi 145.7 0.0% 5.0 -5.0 n/a   30.0 kts
20120903T031925 tmi 134.5 1.4% 4.6 -4.6 n/a   30.0 kts
20120903T105929 ssmi15 167.9 NaN% NaN NaN n/a   34.6 kts
20120903T133044 ssmis17 90.1 0.0% 3.0 -3.0 n/a   35.0 kts
20120903T133551 ssmis16 34.5 0.0% 1.6 -1.6 n/a   35.0 kts
20120903T194941 tmi 212.4 0.0% 1.9 -1.9 n/a   33.9 kts
20120903T194948 tmi 101.2 0.0% 2.8 -2.8 n/a   33.9 kts
20120904T004540 ssmis17 23.4 0.0% 2.0 -2.0 n/a   30.0 kts
20120904T005053 ssmis16 45.6 0.0% 3.1 -3.1 n/a   30.0 kts
20120904T022229 tmi 90.1 0.0% 4.4 -4.4 n/a   30.0 kts
20120904T022231 tmi 90.1 0.0% 4.3 -4.3 n/a   30.0 kts
20120904T035000 ssmis18 12.2 0.0% 0.8 -0.8 n/a   30.0 kts
20120904T131720 ssmis17 5.0 0.0% 0.3 -0.3 n/a   30.0 kts
20120904T132229 ssmis16 90.1 0.0% 2.7 -2.7 n/a   30.0 kts
20120904T162144 ssmis18 101.2 0.0% 2.0 -2.0 n/a   30.0 kts
20120904T233904 ssmi15 56.7 0.0% 2.1 -2.1 n/a   29.2 kts
20120905T033851 ssmis18 45.6 0.0% 0.0 -0.0 n/a   26.5 kts
20120905T120743 ssmi15 5.0 0.0% 1.2 -1.2 n/a   21.7 kts
20120905T160914 ssmis18 56.7 0.0% 1.5 -1.5 n/a   20.2 kts
20120905T193516 tmi 5.0 0.0% 0.0 -0.0 n/a   20.0 kts
20120905T232412 ssmi15 90.1 0.0% 1.7 -1.7 n/a   20.0 kts
20120906T020249 ssmis17 123.4 NaN% NaN NaN n/a   20.0 kts
20120906T020715 tmi 23.4 0.0% 1.8 -1.8 n/a   20.0 kts
20120906T032719 ssmis18 34.5 0.0% 0.2 -0.2 n/a   20.0 kts
20120906T115143 ssmi15 12.2 0.0% 1.1 -1.1 n/a   18.5 kts
20120906T142623 ssmis17 78.9 0.0% 3.9 -3.9 n/a   17.2 kts
20120906T143701 ssmis16 34.5 0.0% 1.8 -1.8 n/a   17.1 kts
20120906T201721 tmi 45.6 0.0% 0.4 -0.4 n/a   15.0 kts
20120906T230856 ssmi15 56.7 0.0% 4.2 -4.2 n/a   15.0 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).