Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20240714T061232 amsr2_85 166.5 78.4 2.7% 7.1 -7.1 n/a   25.0 kts
20240714T224246 ssmis17_85 33.3 11.7 0.0% 2.3 -2.3 n/a   25.0 kts
20240715T070355 gmi_85 333.0 128.4 NaN% NaN NaN n/a   25.0 kts
20240715T083123 ssmis18_85 99.9 45.0 NaN% NaN NaN n/a   25.0 kts
20240715T103807 ssmis16_85 66.6 28.4 2.7% 1.4 -1.4 n/a   24.1 kts
20240715T210514 ssmis18_85 277.5 134.0 NaN% NaN NaN n/a   18.7 kts
20240715T231218 ssmis16_85 266.4 128.4 NaN% NaN NaN n/a   17.8 kts
20240716T081813 ssmis18_85 222.0 106.2 NaN% NaN NaN n/a   15.0 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).