Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20160518T084741 ssmi15 67.8 43.8% 0.3 -0.3 n/a   40.0 kts
20160518T100655 ssmis16 67.8 48.0% 0.0 -0.0 n/a   40.0 kts
20160518T125055 ssmis17 190.1 25.0% 1.4 -1.4 n/a   40.3 kts
20160518T132627 ssmis18 212.4 26.0% 2.0 -2.0 n/a   40.7 kts
20160518T212152 ssmi15 212.4 9.6% 4.6 -4.6 n/a   45.0 kts
20160518T223049 ssmis16 201.2 21.9% 1.3 -1.3 n/a   45.0 kts
20160519T012620 ssmis17 145.7 16.4% 0.1 -0.1 n/a   45.0 kts
20160519T020220 ssmis18 201.2 6.8% 3.0 -3.0 n/a   45.0 kts
20160519T123753 ssmis17 212.4 9.6% 4.4 -4.4 n/a   49.7 kts
20160519T131419 ssmis18 167.9 11.0% 2.9 -2.9 n/a   48.9 kts
20160519T210522 ssmi15 67.8 23.3% 2.4 -2.4 n/a   42.0 kts
20160519T222902 ssmis16 201.2 38.8% 5.0 -5.0 n/a   43.5 kts
20160520T011232 ssmis17 45.6 69.9% 9.2 -9.2 n/a   46.2 kts
20160520T081649 ssmi15 78.9 9.6% 2.7 -2.7 n/a   50.0 kts
20160520T094148 ssmis16 45.6 32.9% 0.0 -0.0 n/a   50.0 kts
20160520T114555 ssmis17 201.2 5.5% 5.9 -5.9 n/a   50.0 kts
20160520T130237 ssmis18 212.4 2.7% 5.0 -5.0 n/a   50.0 kts
20160520T204820 ssmi15 101.2 37.0% 3.4 -3.4 n/a   50.0 kts
20160520T221446 ssmis16 101.2 12.3% 2.1 -2.1 n/a   50.0 kts
20160521T005808 ssmis17 145.7 21.9% 1.5 -1.5 n/a   50.3 kts
20160521T013548 ssmis18 167.9 NaN% NaN NaN n/a   50.9 kts
20160521T080146 ssmi15 123.4 11.0% 0.0 0.0 n/a   52.3 kts
20160521T092936 ssmis16 167.9 35.6% 7.4 -7.4 n/a   48.8 kts
20160521T121310 ssmis17 23.4 56.2% 0.0 -0.0 n/a   45.0 kts
20160521T125120 ssmis18 201.2 NaN% NaN NaN n/a   45.0 kts
20160521T203059 ssmi15 212.4 NaN% NaN NaN n/a   38.8 kts
20160521T215959 ssmis16 134.5 0.0% 0.5 -0.5 n/a   35.4 kts
20160522T004321 ssmis17 34.5 0.0% 3.1 -3.1 n/a   30.0 kts
20160522T012156 ssmis18 134.5 0.0% 3.3 -3.3 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).