Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20200221T005005 amsr2_85 11.1 2.5 8.2% 0.0 -0.0 n/a   44.3 kts
20200221T024640 gmi_85 333.0 95.1 NaN% NaN NaN n/a   42.7 kts
20200221T033839 ssmis16_85 321.9 128.4 NaN% NaN NaN n/a   42.0 kts
20200221T162701 ssmis18_85 333.0 145.1 NaN% NaN NaN n/a   36.3 kts
20200222T015139 gmi_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20200222T032452 ssmis16_85 177.6 83.9 8.2% 2.5 -2.5 n/a   35.0 kts
20200222T050131 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20200222T122546 amsr2_85 11.1 2.5 0.0% 5.6 -5.6 n/a   32.3 kts
20200222T143833 ssmis16_85 310.8 150.7 NaN% NaN NaN n/a   31.4 kts
20200222T161515 ssmis18_85 244.2 117.3 NaN% NaN NaN n/a   30.7 kts
20200222T181511 ssmis17_85 222.0 106.2 NaN% NaN NaN n/a   30.0 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).