Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20151021T163521 ssmi15_85 323.5 NaN% NaN NaN n/a   25.0 kts
20151021T180008 ssmis16_85 112.3 22.7% 3.5 -3.5 n/a   25.0 kts
20151021T193352 ssmis17_85 34.5 5.5% 1.9 -1.9 n/a   25.0 kts
20151022T001641 gmi_85 323.5 NaN% NaN NaN n/a   25.0 kts
20151022T032053 amsr2_85 145.7 8.2% 2.3 -2.3 n/a   25.0 kts
20151022T034944 ssmi15_85 112.3 2.7% 2.3 -2.3 n/a   25.0 kts
20151022T051555 ssmis16_85 90.1 24.7% 0.8 -0.8 n/a   25.0 kts
20151022T082956 ssmis19_85 223.5 NaN% NaN NaN n/a   25.0 kts
20151022T100141 gmi_85 90.1 0.0% 2.1 -2.1 n/a   25.0 kts
20151022T152759 amsr2_85 134.5 12.3% 3.7 -3.7 n/a   25.0 kts
20151022T161731 ssmi15_85 245.7 NaN% NaN NaN n/a   25.0 kts
20151022T174507 ssmis16_85 156.8 11.0% 3.3 -3.3 n/a   25.0 kts
20151022T232640 gmi_85 179.0 NaN% NaN NaN n/a   26.4 kts
20151023T033516 ssmi15_85 23.4 20.6% 5.3 -5.3 n/a   28.7 kts
20151023T050424 ssmis16_85 45.6 NaN% NaN NaN n/a   29.5 kts
20151023T063820 ssmis17_85 134.5 9.6% 3.7 -3.7 n/a   30.0 kts
20151023T073725 ssmis18_85 245.7 NaN% NaN NaN n/a   30.0 kts
20151023T091140 gmi_85 245.7 NaN% NaN NaN n/a   30.0 kts
20151023T143105 amsr2_85 12.2 0.0% 2.3 -2.3 n/a   30.0 kts
20151023T155932 ssmi15_85 23.4 0.0% 0.0 -0.0 n/a   30.0 kts
20151023T172951 ssmis16_85 90.1 0.0% 4.4 -4.4 n/a   30.0 kts
20151023T190146 ssmis19_85 245.7 NaN% NaN NaN n/a   30.0 kts
20151023T190322 ssmis17_85 301.3 NaN% NaN NaN n/a   30.0 kts
20151023T200308 ssmis18_85 23.4 0.0% 4.2 -4.2 n/a   30.0 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).