Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning NHC estimate
20130617T162225 tmi 45.6 NaN% NaN NaN n/a   30.0 kts
20130617T211658 ssmi15 56.7 5.5% 7.4 -7.4 n/a   30.0 kts
20130617T234222 ssmis17 112.3 8.2% 0.4 -0.4 n/a   30.0 kts
20130617T234327 ssmis17 212.4 NaN% NaN NaN n/a   30.0 kts
20130618T003402 tmi 45.6 1.4% 0.0 -0.0 n/a   29.9 kts
20130618T095024 ssmi15 179.0 NaN% NaN NaN n/a   25.0 kts
20130618T110045 ssmis16 145.7 0.0% 0.9 -0.9 n/a   25.0 kts
20130618T121707 ssmis17 179.0 0.0% 1.3 -1.3 n/a   25.0 kts
20130618T133040 ssmis18 156.8 NaN% NaN NaN n/a   25.0 kts
20130618T152619 tmi 145.7 0.0% 0.9 -0.9 n/a   25.0 kts
20130618T210158 ssmi15 179.0 5.5% 0.7 -0.7 n/a   25.0 kts
20130618T232917 ssmis17 134.5 0.0% 1.3 -1.3 n/a   25.0 kts
20130618T233042 ssmis17 134.5 0.0% 1.1 -1.1 n/a   25.0 kts
20130618T233722 tmi 167.9 16.4% 2.4 -2.4 n/a   25.0 kts
20130619T093413 ssmi15 212.4 NaN% NaN NaN n/a   30.0 kts
20130619T115246 ssmis17 34.5 32.9% 0.0 -0.0 n/a   30.0 kts
20130619T160732 tmi 179.0 9.6% 1.3 -1.3 n/a   33.1 kts
20130619T234226 ssmis16 56.7 1.4% 1.6 -1.6 n/a   40.0 kts
20130620T022445 ssmis18 179.0 32.9% 1.5 -1.5 n/a   40.0 kts
20130620T121404 ssmis16 56.7 100.0% 23.9 -38.9 n/a   34.8 kts
20130620T145809 ssmis18 167.9 41.1% 0.0 -0.0 n/a   32.5 kts
20130620T151121 tmi 12.2 6.8% 12.4 -12.4 n/a   32.3 kts
20130620T223926 ssmis16 56.7 0.0% 8.0 -8.0 n/a   26.4 kts
20130620T232219 tmi 101.2 0.0% 0.3 -0.3 n/a   25.7 kts
20130621T014520 ssmis18 112.3 8.2% 1.9 -1.9 n/a   21.5 kts
20130621T021249 ssmis18 112.3 6.8% 2.5 -2.5 n/a   20.7 kts
20130621T120250 ssmis16 134.5 0.0% 1.6 -1.6 n/a   20.0 kts
20130621T144442 ssmis18 134.5 0.0% 1.2 -1.2 n/a   20.0 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).