Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning NHC estimate
20231017T200653 amsr2_85 155.4 50.6 19.2% 8.8 -8.8 n/a   38.5 kts
20231018T011352 ssmis17_85 111.0 50.6 21.9% 9.7 -9.7 n/a   47.1 kts
20231018T123302 ssmis16_85 144.3 67.3 32.9% 3.8 3.8 n/a   60.5 kts
20231018T134928 ssmis17_85 88.8 39.5 50.7% 2.3 2.3 n/a   61.5 kts
20231018T143114 gmi_85 88.8 45.0 46.6% 8.2 8.2 n/a   62.1 kts
20231018T205031 amsr2_85 66.6 28.4 100.0% 31.1 46.0 >65 kts   72.1 kts
20231019T010017 ssmis17_85 55.5 17.2 100.0% 43.3 58.3 >65 kts   84.2 kts
20231019T034614 gmi_85 333.0 106.2 NaN% NaN NaN n/a   95.7 kts
20231019T090311 amsr2_85 33.3 17.2 100.0% 65.8 80.8 >85 kts# 110.1 kts
20231019T133512 ssmis17_85 33.3 11.7 100.0% 26.4 41.4 >65 kts   115.0 kts
20231019T232014 ssmis18_85 33.3 11.7 91.8% 17.6 32.5 >65 kts   106.1 kts
20231020T025159 gmi_85 333.0 161.8 NaN% NaN NaN n/a   102.6 kts
20231020T115350 ssmis18_85 111.0 50.6 NaN% NaN NaN n/a   95.1 kts
20231020T132103 ssmis17_85 44.4 17.2 48.0% 8.4 8.4 n/a   97.3 kts
20231020T203928 amsr2_85 33.3 11.7 100.0% 30.5 45.5 >65 kts   103.9 kts
20231020T230736 ssmis18_85 33.3 11.7 100.0% 39.1 54.1 >65 kts   102.9 kts
20231021T010021 ssmis16_85 22.2 6.1 76.7% 10.6 10.6 n/a   102.1 kts
20231021T084946 amsr2_85 33.3 11.7 57.5% 9.5 9.5 n/a   95.3 kts
20231021T113938 ssmis18_85 33.3 45.0 30.1% 3.7 3.7 n/a   90.6 kts
20231021T132200 gmi_85 22.2 6.1 0.0% 0.0 0.0 n/a   86.6 kts
20231021T133216 ssmis16_85 22.2 6.1 31.5% 1.7 1.7 n/a   86.2 kts
20231021T225504 ssmis18_85 233.1 111.7 NaN% NaN NaN n/a   62.7 kts
20231022T004752 ssmis16_85 122.1 56.1 NaN% NaN NaN n/a   58.7 kts
20231022T024200 gmi_85 333.0 111.7 0.0% 5.9 5.9 n/a   55.5 kts
20231022T093158 amsr2_85 66.6 28.4 NaN% NaN NaN n/a   50.0 kts
20231022T112546 ssmis18_85 66.6 28.4 NaN% NaN NaN n/a   50.0 kts
20231022T131813 ssmis16_85 188.7 72.8 NaN% NaN NaN n/a   51.1 kts
20231022T202840 amsr2_85 266.4 128.4 NaN% NaN NaN n/a   52.9 kts
20231022T224238 ssmis18_85 210.9 111.7 NaN% NaN NaN n/a   51.1 kts
20231023T003457 ssmis16_85 199.8 89.5 NaN% NaN NaN n/a   48.5 kts
20231023T014951 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   45.4 kts
20231023T083642 amsr2_85 188.7 122.9 NaN% NaN NaN n/a   32.8 kts
20231023T111240 ssmis18_85 77.7 39.5 NaN% NaN NaN n/a   30.7 kts
20231023T130455 ssmis16_85 122.1 67.3 NaN% NaN NaN n/a   30.0 kts
20231023T141932 ssmis17_85 111.0 50.6 NaN% NaN NaN n/a   30.0 kts
20231023T222857 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   21.7 kts
20231024T002149 ssmis16_85 266.4 128.4 0.0% 0.7 -0.7 n/a   20.0 kts
20231024T013554 ssmis17_85 321.9 156.2 NaN% NaN NaN n/a   20.0 kts
20231024T023159 gmi_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).