Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20140427T193747 ssmis16 56.7 71.2% 12.0 -12.0 n/a   34.8 kts
20140427T202911 ssmis17 45.6 97.3% 19.1 -34.1 n/a   38.6 kts
20140427T222813 ssmis18 67.8 74.0% 13.9 -13.9 n/a   47.2 kts
20140428T063548 ssmis16 34.5 100.0% 43.5 58.5 >65 kts   50.0 kts
20140428T073452 ssmis17 34.5 100.0% 28.9 43.9 >65 kts   50.0 kts
20140428T093858 ssmis18 23.4 76.7% 7.8 -7.8 n/a   50.0 kts
20140428T173122 tmi 45.6 100.0% 27.1 -42.1 n/a   54.5 kts
20140428T192354 ssmis16 34.5 93.2% 14.3 29.3 >65 kts   57.3 kts
20140428T201521 ssmis17 23.4 89.0% 18.9 33.9 >65 kts   59.2 kts
20140428T221502 ssmis18 34.5 100.0% 36.4 51.4 >65 kts   63.3 kts
20140429T063553 ssmis16 12.2 84.9% 3.4 3.4 n/a   65.0 kts
20140429T063555 ssmis16 12.2 86.3% 5.2 20.2 >65 kts   65.0 kts
20140429T065305 ssmis17 134.5 NaN% NaN NaN n/a   65.0 kts
20140429T082331 tmi 23.4 76.7% 0.6 0.6 n/a   65.0 kts
20140429T092728 ssmis18 34.5 64.4% 4.3 4.3 n/a   65.0 kts
20140429T092730 ssmis18 34.5 64.4% 4.1 4.1 n/a   65.0 kts
20140429T163524 tmi 12.2 80.8% 10.7 10.7 n/a   60.7 kts
20140429T191005 ssmis16 NaN 75.3% 0.5 -920.0 n/a   60.0 kts
20140429T191007 ssmis16 NaN 38.4% 2.9 -920.0 n/a   60.0 kts
20140429T195734 ssmis17 23.4 75.3% 0.0 0.0 n/a   60.0 kts
20140429T220211 ssmis18 NaN 68.5% 0.0 -920.0 n/a   60.0 kts
20140429T220212 ssmis18 12.2 84.9% 0.0 0.0 n/a   60.0 kts
20140430T052443 ssmi15 23.4 0.0% 2.4 2.4 n/a   55.7 kts
20140430T062343 ssmis16 56.7 31.5% 7.6 -7.6 n/a   54.5 kts
20140430T153935 tmi 112.3 8.2% 7.2 -7.2 n/a   45.0 kts
20140430T185046 ssmis16 312.4 NaN% NaN NaN n/a   44.6 kts
20140430T213611 ssmis18 267.9 NaN% NaN NaN n/a   40.0 kts
20140501T050942 ssmi15 78.9 0.0% 6.0 -6.0 n/a   25.4 kts
20140501T081020 tmi 23.4 0.0% 4.3 -4.3 n/a   25.0 kts
20140501T144250 tmi 23.4 0.0% 4.0 -4.0 n/a   25.0 kts
20140501T173939 ssmi15 112.3 0.0% 0.8 -0.8 n/a   25.0 kts
20140502T045350 ssmi15 156.8 0.0% 8.9 -8.9 n/a   20.7 kts
20140502T080131 ssmis17 67.8 NaN% NaN NaN 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).