Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20131206T022529 ssmis18 112.3 6.8% 4.8 -4.8 n/a   35.0 kts
20131206T114437 ssmis17 112.3 35.6% 2.4 -2.4 n/a   44.9 kts
20131206T231928 ssmis16 212.4 42.5% 9.6 -9.6 n/a   45.0 kts
20131207T021314 ssmis18 212.4 43.8% 1.7 -1.7 n/a   47.5 kts
20131207T093329 ssmi15 90.1 27.4% 1.8 1.8 n/a   58.8 kts
20131207T123851 tmi 190.1 NaN% NaN NaN n/a   60.0 kts
20131207T230558 ssmis16 45.6 30.1% 15.7 15.7 n/a   64.7 kts
20131208T020030 ssmis18 56.7 65.8% 7.1 7.1 n/a   65.0 kts
20131208T091835 ssmi15 45.6 37.0% 17.4 17.4 n/a   65.0 kts
20131208T114335 tmi 45.6 39.7% 12.8 12.8 n/a   65.0 kts
20131208T213428 tmi 5.0 NaN% NaN NaN n/a   65.0 kts
20131208T215334 ssmi15 56.7 50.7% 12.5 12.5 n/a   65.0 kts
20131208T235553 ssmis17 45.6 100.0% 30.9 45.9 >65 kts   65.0 kts
20131209T090315 ssmi15 45.6 45.2% 20.1 20.1 >65 kts   60.0 kts
20131209T114441 ssmis16 45.6 100.0% 22.1 37.1 >65 kts   60.0 kts
20131209T142716 ssmis18 90.1 NaN% NaN NaN n/a   60.0 kts
20131209T203828 tmi 56.7 100.0% 35.2 50.2 >65 kts   60.0 kts
20131209T213736 ssmi15 67.8 100.0% 28.0 43.0 >65 kts   60.0 kts
20131210T112702 ssmis16 67.8 0.0% 1.6 1.6 n/a   61.0 kts
20131210T113039 tmi 56.7 0.0% 1.8 1.8 n/a   60.9 kts
20131210T123512 ssmis17 123.4 0.0% 4.0 4.0 n/a   59.0 kts
20131210T142806 ssmis18 67.8 0.0% 1.9 1.9 n/a   55.6 kts
20131210T142807 ssmis18 167.9 0.0% 6.0 6.0 n/a   55.6 kts
20131210T194303 tmi 134.5 0.0% 4.0 -4.0 n/a   48.3 kts
20131210T212152 ssmi15 190.1 0.0% 4.2 -4.2 n/a   47.0 kts
20131211T103411 tmi 134.5 2.7% 3.1 -3.1 n/a   40.0 kts
20131211T110552 ssmis16 212.4 12.3% 3.2 -3.2 n/a   40.0 kts
20131211T122137 ssmis17 212.4 14.1% 3.9 -3.9 n/a   39.9 kts
20131211T122138 ssmis17 212.4 12.5% 3.8 -3.8 n/a   39.9 kts
20131211T134537 ssmis18 78.9 0.0% 1.9 -1.9 n/a   39.0 kts
20131211T235520 ssmis16 190.1 0.0% 2.5 -2.5 n/a   35.0 kts
20131211T235522 ssmis16 190.1 0.0% 2.9 -2.9 n/a   35.0 kts
20131212T003934 ssmis17 145.7 0.0% 3.3 -3.3 n/a   35.0 kts
20131212T025247 ssmis18 201.2 2.7% 1.6 -1.6 n/a   35.0 kts
20131212T093925 tmi 179.0 4.1% 2.3 -2.3 n/a   31.5 kts
20131212T095611 ssmi15 167.9 2.7% 1.1 -1.1 n/a   31.3 kts
20131212T110500 ssmis16 201.2 NaN% NaN NaN n/a   30.5 kts
20131212T120810 ssmis17 45.6 0.0% 2.7 -2.7 n/a   29.9 kts
20131212T132630 ssmis18 90.1 NaN% NaN NaN n/a   29.3 kts
20131212T193029 tmi 112.3 0.0% 2.5 -2.5 n/a   26.7 kts
20131212T233025 ssmis16 45.6 0.0% 1.5 -1.5 n/a   25.2 kts
20131213T004130 ssmis17 23.4 0.0% 0.1 -0.1 n/a   25.0 kts
20131213T023826 ssmis18 201.2 0.0% 1.6 -1.6 n/a   25.0 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).