Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20140802T134237 tmi 23.4 0.0% 0.4 -0.4 n/a   40.0 kts
20140802T152029 tmi 67.8 0.0% 0.0 -0.0 n/a   40.0 kts
20140802T202733 ssmis16 12.2 0.0% 1.4 -1.4 n/a   38.7 kts
20140803T002557 ssmis18 112.3 0.0% 1.1 -1.1 n/a   34.6 kts
20140803T054239 ssmi15 323.5 NaN% NaN NaN n/a   30.0 kts
20140803T074952 ssmis16 156.8 0.0% 3.7 -3.7 n/a   30.0 kts
20140803T124649 tmi 123.4 0.0% 2.4 -2.4 n/a   29.8 kts
20140803T142438 tmi 56.7 0.0% 2.7 -2.7 n/a   28.2 kts
20140803T201405 ssmis16 23.4 0.0% 1.5 -1.5 n/a   25.0 kts
20140803T223743 ssmis17 323.5 NaN% NaN NaN n/a   24.6 kts
20140804T001312 ssmis18 256.8 NaN% NaN NaN n/a   23.5 kts
20140804T052705 ssmi15 267.9 NaN% NaN NaN n/a   20.1 kts
20140804T070605 ssmis16 267.9 0.0% 0.0 -0.0 n/a   20.0 kts
20140804T082009 ssmis17 323.5 NaN% NaN NaN n/a   20.0 kts
20140804T115132 tmi 5.0 0.0% 1.8 -1.8 n/a   20.0 kts
20140804T132911 tmi 234.6 NaN% NaN NaN n/a   20.0 kts
20140804T200021 ssmis16 34.5 0.0% 1.1 -1.1 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).