Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20180720T174709 amsr2_85 222.0 106.2 19.2% 6.4 -6.4 n/a   25.0 kts
20180720T194330 ssmis16_85 310.8 150.7 NaN% NaN NaN n/a   25.0 kts
20180720T225821 ssmis17_85 88.8 39.5 11.0% 0.6 -0.6 n/a   25.0 kts
20180721T073640 gmi_85 55.5 22.8 NaN% NaN NaN n/a   30.0 kts
20180721T101123 ssmis17_85 111.0 50.6 NaN% NaN NaN n/a   30.0 kts
20180721T192939 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20180721T205139 gmi_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20180721T224406 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20180722T052357 amsr2_85 122.1 22.8 9.6% 0.3 -0.3 n/a   30.0 kts
20180722T064139 gmi_85 233.1 161.8 NaN% NaN NaN n/a   30.0 kts
20180722T095838 ssmis17_85 233.1 117.3 NaN% NaN NaN n/a   30.0 kts
20180722T173233 amsr2_85 310.8 156.2 NaN% NaN NaN n/a   30.0 kts
20180722T200140 gmi_85 199.8 95.1 NaN% NaN NaN n/a   30.0 kts
20180722T222903 ssmis17_85 277.5 134.0 NaN% NaN NaN n/a   30.0 kts
20180723T043007 amsr2_85 22.2 161.8 NaN% NaN NaN n/a   30.0 kts
20180723T094754 ssmis17_85 22.2 6.1 0.0% 1.3 -1.3 n/a   26.8 kts
20180723T181352 amsr2_85 333.0 161.8 NaN% NaN NaN n/a   23.2 kts
20180723T204114 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   21.8 kts
20180723T204639 gmi_85 333.0 161.8 NaN% NaN NaN n/a   21.8 kts
20180723T221409 ssmis17_85 310.8 150.7 NaN% NaN NaN n/a   21.0 kts
20180723T222656 ssmis18_85 22.2 6.1 0.0% 0.9 -0.9 n/a   20.9 kts
20180724T051503 amsr2_85 22.2 6.1 0.0% 5.3 -5.3 n/a   20.0 kts
20180724T093548 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   20.0 kts
20180724T094917 ssmis18_85 333.0 161.8 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).