Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20251004T064117 ssmis18_85 333.0 106.2 NaN% NaN NaN n/a   30.0 kts
20251004T160110 amsr2_85 166.5 67.3 6.8% 3.2 -3.2 n/a   30.0 kts
20251004T191106 ssmis18_85 222.0 22.8 NaN% NaN NaN n/a   31.0 kts
20251005T062718 ssmis18_85 111.0 56.1 17.8% 0.0 -0.0 n/a   40.4 kts
20251005T164358 amsr2_85 144.3 67.3 17.8% 8.0 -8.0 n/a   52.9 kts
20251005T185616 ssmis18_85 111.0 50.6 NaN% NaN NaN n/a   55.8 kts
20251006T034116 amsr2_85 33.3 11.7 27.4% 9.3 9.3 n/a   63.1 kts
20251006T060827 gmi_85 133.2 61.7 26.0% 8.1 8.1 n/a   65.1 kts
20251006T061328 ssmis18_85 33.3 11.7 72.6% 8.4 8.4 n/a   65.2 kts
20251006T184315 ssmis18_85 77.7 33.9 74.6% 12.5 12.5 n/a   71.2 kts
20251006T193327 gmi_85 88.8 39.5 100.0% 23.6 38.6 >65 kts   72.6 kts
20251007T042439 amsr2_85 55.5 22.8 100.0% 41.0 56.0 >65 kts   91.0 kts
20251007T052326 gmi_85 66.6 161.8 NaN% NaN NaN n/a   93.5 kts
20251007T055942 ssmis18_85 55.5 22.8 100.0% 63.1 78.1 >85 kts# 95.0 kts
20251007T163058 amsr2_85 55.5 17.2 100.0% 63.7 78.7 >85 kts# 118.8 kts
20251009T053305 ssmis18_85 99.9 56.1 44.6% 8.6 8.6 n/a   95.7 kts
20251009T161644 amsr2_85 111.0 50.6 23.3% 3.7 3.7 n/a   74.3 kts
20251009T175805 ssmis18_85 255.3 122.9 NaN% NaN NaN n/a   70.1 kts
20251009T205337 ssmis17_85 244.2 117.3 NaN% NaN NaN n/a   70.0 kts
20251010T031826 gmi_85 55.5 22.8 0.0% 5.9 5.9 n/a   66.5 kts
20251010T051833 ssmis18_85 299.7 145.1 NaN% NaN NaN n/a   65.4 kts
20251010T152038 amsr2_85 88.8 39.5 NaN% NaN NaN n/a   61.1 kts
20251010T165327 gmi_85 77.7 33.9 NaN% NaN NaN n/a   60.5 kts
20251010T174248 ssmis18_85 22.2 6.1 0.0% 3.3 3.3 n/a   60.1 kts
20251010T185717 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   60.0 kts
20251010T195110 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   60.0 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).