Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20160817T084606 ssmis16_85 323.5 NaN% NaN NaN n/a   25.0 kts
20160817T112747 ssmis18_85 156.8 NaN% NaN NaN n/a   25.0 kts
20160817T211832 ssmis16_85 323.5 NaN% NaN NaN n/a   25.0 kts
20160818T000027 ssmis18_85 145.7 NaN% NaN NaN n/a   25.0 kts
20160818T060744 amsr2_85 56.7 0.0% 2.4 -2.4 n/a   25.0 kts
20160818T083256 ssmis16_85 301.3 NaN% NaN NaN n/a   25.0 kts
20160818T110144 ssmis17_85 156.8 NaN% NaN NaN n/a   25.0 kts
20160818T111519 ssmis18_85 134.5 NaN% NaN NaN n/a   25.0 kts
20160818T181808 amsr2_85 267.9 NaN% NaN NaN n/a   30.5 kts
20160818T210522 ssmis16_85 279.1 NaN% NaN NaN n/a   35.1 kts
20160818T233406 ssmis17_85 234.6 NaN% NaN NaN n/a   39.3 kts
20160818T234824 ssmis18_85 245.7 NaN% NaN NaN n/a   39.7 kts
20160819T073717 ssmi15_85 34.5 39.7% 7.2 -7.2 n/a   40.0 kts
20160819T082007 ssmis16_85 34.5 8.2% 7.7 -7.7 n/a   40.0 kts
20160819T104843 ssmis17_85 23.4 6.8% 1.1 -1.1 n/a   39.0 kts
20160819T190052 amsr2_85 301.3 NaN% NaN NaN n/a   34.2 kts
20160819T200806 ssmi15_85 201.2 NaN% NaN NaN n/a   33.2 kts
20160819T205226 ssmis16_85 101.2 NaN% NaN NaN n/a   32.6 kts
20160819T213640 gmi_85 190.1 4.1% 1.7 -1.7 n/a   32.0 kts
20160819T232052 ssmis17_85 256.8 0.0% 0.9 -0.9 n/a   30.5 kts
20160820T072154 ssmi15_85 123.4 NaN% NaN NaN n/a   25.0 kts
20160820T105641 gmi_85 90.1 0.0% 0.6 -0.6 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).