Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning NHC estimate
20170706T052208 ssmi15_85 199.8 95.1 NaN% NaN NaN n/a   25.0 kts
20170706T061536 ssmis16_85 177.6 83.9 40.6% 0.0 -0.0 n/a   25.0 kts
20170706T091100 ssmis18_85 310.8 161.8 NaN% NaN NaN n/a   25.0 kts
20170706T092205 ssmis17_85 310.8 156.2 NaN% NaN NaN n/a   25.0 kts
20170706T154525 amsr2_85 299.7 145.1 NaN% NaN NaN n/a   25.0 kts
20170706T190716 ssmis16_85 22.2 50.6 6.8% 3.0 -3.0 n/a   25.0 kts
20170707T093140 gmi_85 188.7 6.1 0.0% 1.7 -1.7 n/a   25.0 kts
20170707T162924 amsr2_85 288.6 139.5 NaN% NaN NaN n/a   25.0 kts
20170707T175704 ssmi15_85 44.4 17.2 0.0% 3.3 -3.3 n/a   25.0 kts
20170707T185508 ssmis16_85 255.3 122.9 NaN% NaN NaN n/a   23.5 kts
20170707T215131 ssmis18_85 244.2 117.3 11.0% 4.8 -4.8 n/a   20.0 kts
20170707T220122 ssmis17_85 199.8 95.1 9.6% 4.8 -4.8 n/a   20.0 kts
20170707T225139 gmi_85 266.4 128.4 4.2% 7.8 -7.8 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).