Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20130120T215702 tmi 190.1 2.7% 1.9 -1.9 n/a   35.0 kts
20130121T043707 ssmis16 45.6 31.5% 2.0 -2.0 n/a   35.0 kts
20130121T063631 ssmis18 167.9 9.6% 1.6 -1.6 n/a   35.0 kts
20130121T073229 ssmis18 167.9 NaN% NaN NaN n/a   35.2 kts
20130121T111116 tmi 23.4 26.0% 2.6 -2.6 n/a   36.5 kts
20130121T172130 ssmis17 23.4 100.0% 22.6 -37.5 n/a   39.7 kts
20130121T210248 tmi 67.8 31.5% 16.0 -16.0 n/a   41.5 kts
20130122T043222 ssmis16 45.6 60.3% 0.0 -0.0 n/a   44.9 kts
20130122T070508 ssmis18 NaN 75.3% 0.0 -920.0 n/a   45.0 kts
20130122T170903 ssmis17 12.2 50.7% 0.0 -0.0 n/a   49.7 kts
20130122T200730 tmi 23.4 41.1% 3.7 -3.7 n/a   49.6 kts
20130123T064440 ssmis18 12.2 72.6% 1.1 -1.1 n/a   45.0 kts
20130123T070714 ssmis18 12.2 76.7% 4.7 -4.7 n/a   45.0 kts
20130123T105916 tmi 67.8 NaN% NaN NaN n/a   45.0 kts
20130123T143051 ssmi15 23.4 64.4% 2.4 -2.4 n/a   43.1 kts
20130123T165616 ssmis17 23.4 69.9% 0.0 -0.0 n/a   40.4 kts
20130123T191208 tmi 67.8 89.0% 9.8 -24.8 n/a   40.4 kts
20130124T030538 ssmi15 56.7 100.0% 26.4 -41.5 n/a   54.7 kts
20130124T065334 ssmis18 45.6 100.0% 34.6 -49.6 n/a   61.3 kts
20130124T065450 ssmis18 45.6 100.0% 32.3 47.3 >65 kts   61.3 kts
20130124T100424 tmi 34.5 65.8% 8.8 8.8 n/a   65.6 kts
20130124T141513 ssmi15 34.5 100.0% 24.3 39.3 >65 kts   70.9 kts
20130124T164328 ssmis17 45.6 100.0% 35.6 50.6 >65 kts   73.7 kts
20130124T181719 tmi 45.6 100.0% 29.2 44.2 >65 kts   75.3 kts
20130125T024915 ssmi15 34.5 45.2% 4.9 4.9 n/a   83.9 kts
20130125T064052 ssmis18 212.4 26.0% 0.0 0.0 n/a   84.9 kts
20130125T064211 ssmis18 212.4 NaN% NaN NaN n/a   84.8 kts
20130125T091016 tmi 145.7 68.5% 0.0 0.0 n/a   82.2 kts
20130125T140004 ssmi15 67.8 48.0% 0.0 0.0 n/a   72.2 kts
20130125T163119 ssmis17 12.2 56.2% 0.0 0.0 n/a   67.1 kts
20130125T172231 tmi 5.0 42.5% 1.1 1.1 n/a   65.8 kts
20130126T023250 ssmi15 190.1 6.8% 5.4 5.4 n/a   57.7 kts
20130126T050530 ssmis17 90.1 34.2% 0.0 0.0 n/a   55.7 kts
20130126T062749 ssmis18 45.6 57.5% 0.0 -0.0 n/a   54.6 kts
20130126T134521 ssmi15 23.4 20.6% 3.6 -3.6 n/a   48.5 kts
20130126T161914 ssmis17 212.4 4.1% 1.4 -1.4 n/a   46.4 kts
20130126T162630 tmi 212.4 11.0% 4.4 -4.4 n/a   46.3 kts
20130127T021602 ssmi15 212.4 0.0% 8.5 -8.5 n/a   36.6 kts
20130127T045109 ssmis17 212.4 27.4% 0.8 -0.8 n/a   35.2 kts
20130127T085811 tmi 212.4 0.0% 1.7 -1.7 n/a   35.0 kts
20130127T133048 ssmi15 12.2 0.0% 0.0 -0.0 n/a   33.6 kts
20130127T153044 tmi 201.2 0.0% 0.2 -0.2 n/a   32.2 kts
20130127T160728 ssmis17 201.2 0.0% 1.4 -1.4 n/a   31.7 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).