Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20231231T112450 amsr2_85 55.5 22.8 72.6% 1.3 -1.3 n/a   35.0 kts
20231231T153359 ssmis16_85 66.6 28.4 56.2% 3.3 -3.3 n/a   35.0 kts
20231231T161802 ssmis17_85 255.3 161.8 NaN% NaN NaN n/a   35.0 kts
20231231T221919 amsr2_85 288.6 117.3 NaN% NaN NaN n/a   35.0 kts
20240101T005422 ssmis18_85 99.9 45.0 89.0% 15.4 -30.4 n/a   36.9 kts
20240101T024804 ssmis16_85 77.7 33.9 100.0% 21.5 -36.5 n/a   40.8 kts
20240101T033151 ssmis17_85 88.8 39.5 100.0% 31.1 -46.1 n/a   42.4 kts
20240101T074355 gmi_85 333.0 161.8 NaN% NaN NaN n/a   51.1 kts
20240101T102929 amsr2_85 111.0 45.0 100.0% 31.4 -46.4 n/a   56.9 kts
20240101T132636 ssmis18_85 66.6 28.4 74.0% 8.9 8.9 n/a   58.2 kts
20240101T152019 ssmis16_85 66.6 28.4 47.8% 15.2 15.2 n/a   55.8 kts
20240101T160356 ssmis17_85 66.6 28.4 57.4% 14.4 14.4 n/a   54.9 kts
20240102T004054 ssmis18_85 321.9 156.2 NaN% NaN NaN n/a   44.1 kts
20240102T023456 ssmis16_85 166.5 83.9 NaN% NaN NaN n/a   41.8 kts
20240102T031812 ssmis17_85 33.3 6.1 0.0% 2.1 -2.1 n/a   40.9 kts
20240102T131258 ssmis18_85 233.1 161.8 NaN% NaN NaN n/a   31.0 kts
20240102T150645 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   32.6 kts
20240102T154952 ssmis17_85 66.6 11.7 64.4% 1.0 -1.0 n/a   33.2 kts
20240102T220717 amsr2_85 166.5 61.7 75.3% 1.1 -1.1 n/a   38.4 kts
20240103T002805 ssmis18_85 133.2 100.6 44.6% 6.3 -6.3 n/a   39.8 kts
20240103T022159 ssmis16_85 166.5 72.8 31.5% 6.0 -6.0 n/a   39.0 kts
20240103T030450 ssmis17_85 210.9 67.3 27.4% 1.7 -1.7 n/a   38.7 kts
20240103T101627 amsr2_85 244.2 117.3 0.0% 13.3 -13.3 n/a   35.7 kts
20240103T125857 ssmis18_85 199.8 95.1 NaN% NaN NaN n/a   35.0 kts
20240103T145241 ssmis16_85 255.3 122.9 NaN% NaN NaN n/a   35.0 kts
20240103T153522 ssmis17_85 299.7 145.1 NaN% NaN NaN n/a   35.0 kts
20240103T211303 amsr2_85 277.5 139.5 NaN% NaN NaN n/a   35.0 kts
20240104T001539 ssmis18_85 321.9 161.8 NaN% NaN NaN n/a   35.0 kts
20240104T020934 ssmis16_85 321.9 156.2 NaN% NaN NaN n/a   35.0 kts
20240104T025207 ssmis17_85 255.3 122.9 NaN% NaN NaN n/a   35.0 kts
20240104T124416 ssmis18_85 310.8 150.7 NaN% NaN NaN n/a   35.0 kts
20240104T143802 ssmis16_85 299.7 145.1 NaN% NaN NaN n/a   35.0 kts
20240104T152017 ssmis17_85 310.8 150.7 NaN% NaN NaN n/a   35.0 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).