Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning NHC estimate
20210929T144348 amsr2_85 333.0 161.8 NaN% NaN NaN n/a   32.3 kts
20210929T181559 ssmis18_85 33.3 17.2 0.0% 0.5 -0.5 n/a   35.0 kts
20210929T182445 ssmis16_85 33.3 56.1 2.7% 6.4 -6.4 n/a   35.0 kts
20210929T195843 ssmis17_85 255.3 134.0 NaN% NaN NaN n/a   35.0 kts
20210930T030050 amsr2_85 66.6 28.4 11.0% 0.4 -0.4 n/a   37.5 kts
20210930T083756 ssmis17_85 321.9 161.8 NaN% NaN NaN n/a   40.0 kts
20210930T152711 amsr2_85 155.4 72.8 1.4% 6.5 -6.5 n/a   40.0 kts
20210930T180348 ssmis18_85 210.9 100.6 39.7% 3.4 -3.4 n/a   40.1 kts
20210930T181220 ssmis16_85 55.5 22.8 8.2% 3.9 -3.9 n/a   40.3 kts
20211001T004518 gmi_85 155.4 161.8 NaN% NaN NaN n/a   50.0 kts
20211001T034309 amsr2_85 55.5 117.3 NaN% NaN NaN n/a   50.0 kts
20211001T064202 ssmis18_85 88.8 39.5 9.6% 7.1 -7.1 n/a   50.6 kts
20211001T065026 ssmis16_85 88.8 39.5 5.5% 6.4 -6.4 n/a   50.7 kts
20211001T082400 ssmis17_85 133.2 67.3 39.7% 2.0 -2.0 n/a   52.0 kts
20211001T121018 gmi_85 22.2 6.1 11.0% 6.7 -6.7 n/a   55.0 kts
20211001T211439 ssmis17_85 33.3 11.7 0.0% 2.0 -2.0 n/a   52.3 kts
20211002T012519 gmi_85 333.0 161.8 NaN% NaN NaN n/a   48.8 kts
20211002T042556 amsr2_85 11.1 156.2 NaN% NaN NaN n/a   46.3 kts
20211002T062908 ssmis18_85 210.9 106.2 0.0% 3.5 -3.5 n/a   44.2 kts
20211002T063717 ssmis16_85 22.2 6.1 0.0% 1.5 -1.5 n/a   44.0 kts
20211002T192850 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20211002T210135 ssmis17_85 133.2 61.7 2.7% 2.6 -2.6 n/a   30.0 kts
20211003T093723 ssmis17_85 44.4 17.2 NaN% NaN NaN n/a   30.0 kts
20211003T160006 amsr2_85 11.1 2.5 0.0% 9.4 -9.4 n/a   30.0 kts
20211003T190855 ssmis18_85 255.3 122.9 NaN% NaN NaN n/a   30.0 kts
20211003T191638 ssmis16_85 255.3 122.9 NaN% NaN NaN n/a   30.0 kts
20211003T204910 ssmis17_85 233.1 111.7 0.0% 1.7 -1.7 n/a   30.0 kts
20211004T041227 amsr2_85 33.3 11.7 0.0% 2.0 -2.0 n/a   26.5 kts
20211004T074322 ssmis18_85 288.6 139.5 NaN% NaN NaN n/a   25.0 kts
20211004T075059 ssmis16_85 33.3 11.7 0.0% 4.8 -4.8 n/a   25.0 kts
20211004T092331 ssmis17_85 22.2 6.1 0.0% 4.6 -4.6 n/a   25.0 kts
20211004T164401 amsr2_85 11.1 2.5 0.0% 3.6 -3.6 n/a   25.0 kts
20211004T185706 ssmis18_85 11.1 2.5 0.0% 1.0 -1.0 n/a   25.0 kts
20211004T190436 ssmis16_85 33.3 11.7 0.0% 1.3 -1.3 n/a   25.0 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).