Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20130927T212344 ssmis16 56.7 45.2% 3.5 -3.5 n/a   51.1 kts
20130927T223623 ssmis17 12.2 100.0% 27.8 -42.8 n/a   53.1 kts
20130927T225326 tmi 12.2 100.0% 29.5 -44.5 n/a   53.6 kts
20130928T070546 tmi 5.0 23.3% 1.6 1.6 n/a   60.9 kts
20130928T074204 ssmi15 34.5 19.2% 0.0 0.0 n/a   61.4 kts
20130928T091957 ssmis17 12.2 64.4% 0.0 0.0 n/a   62.8 kts
20130928T122815 ssmis18 156.8 26.0% 0.8 0.8 n/a   65.4 kts
20130928T201542 ssmi15 190.1 NaN% NaN NaN n/a   77.6 kts
20130928T215753 tmi 5.0 74.0% 7.0 7.0 n/a   85.3 kts
20130928T222342 ssmis17 123.4 60.3% 1.7 1.7 n/a   86.9 kts
20130929T004356 ssmis18 5.0 91.8% 9.4 24.4 >65 kts   90.0 kts
20130929T115251 ssmis18 123.4 39.7% 8.7 8.7 n/a   85.1 kts
20130929T200004 ssmi15 67.8 100.0% 31.8 46.8 >65 kts   78.0 kts
20130930T005124 ssmis18 67.8 100.0% 53.9 68.9 >85 kts# 75.8 kts
20130930T065048 tmi 45.6 100.0% 34.7 49.7 >65 kts   89.5 kts
20130930T093025 ssmis16 145.7 68.5% 5.5 5.5 n/a   83.7 kts
20130930T110438 ssmis17 12.2 80.8% 5.2 5.2 n/a   80.6 kts
20130930T214236 tmi 34.5 0.0% 4.6 -4.6 n/a   54.1 kts
20130930T222950 ssmis16 34.5 0.0% 2.1 -2.1 n/a   50.5 kts
20130930T233847 ssmis17 45.6 0.0% 2.9 -2.9 n/a   46.1 kts
20131001T055347 tmi 45.6 NaN% NaN NaN n/a   30.2 kts
20131001T083659 ssmi15 167.9 0.0% 2.4 -2.4 n/a   24.8 kts
20131001T105159 ssmis17 167.9 0.0% 1.7 -1.7 n/a   21.3 kts
20131001T133348 ssmis18 101.2 0.0% 0.7 -0.7 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).