Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20240409T194039 ssmis17_85 222.0 106.2 NaN% NaN NaN n/a   35.0 kts
20240409T194059 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20240410T061953 ssmis18_85 33.3 11.7 63.0% 0.0 -0.0 n/a   35.0 kts
20240410T081645 ssmis17_85 321.9 156.2 NaN% NaN NaN n/a   35.0 kts
20240410T081758 ssmis16_85 210.9 100.6 NaN% NaN NaN n/a   35.0 kts
20240410T172939 ssmis18_85 244.2 117.3 9.6% 0.9 -0.9 n/a   35.0 kts
20240410T192715 ssmis17_85 166.5 78.4 19.2% 0.7 -0.7 n/a   37.4 kts
20240410T192758 ssmis16_85 166.5 78.4 26.0% 0.7 -0.7 n/a   37.4 kts
20240411T060554 ssmis18_85 155.4 72.8 16.4% 0.0 -0.0 n/a   49.9 kts
20240411T080217 ssmis17_85 299.7 145.1 NaN% NaN NaN n/a   48.3 kts
20240411T150405 amsr2_85 222.0 106.2 NaN% NaN NaN n/a   45.0 kts
20240411T171629 ssmis18_85 199.8 95.1 NaN% NaN NaN n/a   43.7 kts
20240411T190356 gmi_85 11.1 2.5 49.3% 0.0 -0.0 n/a   42.7 kts
20240411T191341 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   42.7 kts
20240411T191452 ssmis16_85 11.1 NaN 24.7% 0.0 -920.0 n/a   42.6 kts
20240412T031746 amsr2_85 210.9 100.6 1.4% 0.1 -0.1 n/a   38.6 kts
20240412T055220 ssmis18_85 199.8 95.1 0.0% 2.6 -2.6 n/a   37.6 kts
20240412T074831 ssmis17_85 199.8 95.1 0.0% 3.2 -3.2 n/a   36.7 kts
20240412T075038 ssmis16_85 277.5 134.0 NaN% NaN NaN n/a   36.7 kts
20240412T170312 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   32.9 kts
20240412T190132 ssmis16_85 244.2 117.3 NaN% NaN NaN n/a   32.1 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).