Knutson, 2011, Estimating Annual Numbers of Atlantic Hurricanes Missing From the
HURDAT Database (1878-1965) Using Ship Track Density, Journal of Climate, 24: 1736-1746.
(Source:
HURDAT 2, http://www/aoml/noaa/ gov/hrd/hurdat /Data_Storm.html.) Number of Named Storms (NS) Years 0 1983 1 1962 (TS Daisy), 1965 (H Betsy Cat 3), 1972 (H Agnes Cat 1), 1976 (TS Emmy), 1991 (TS Fabian), 1992 (TS Andre) 2 1968 (TS Abby, H Gladys Cat 1), 1975 (H Eloise, H Gladys both Cat 1), 1977 (H Anita Cat 4, TS Freda), 1986 (TS Danielle, TS Frances), 1987 (FI Emily Cat 3, TS Floyd), 1997 (H Ericka Cat 3, TS Grace), 2002 (H Lili, H Isidore, both Cat 3), 2013 (TS Chantal, TS Grabiele) Table 7.2.