Appendix A. Adjustments to maximum sustained wind speed (Vm) values in the HURDAT database for 19 hurricanes.
HurricaneMonth Day Hour HURDAT Adjusted Position Vm (m/s) Vm (m/s) P186710 29 0600 61.7 43.7 10 29 0900 43.7 L 10 29 1200 56.6 39.1 10 29 1500 34.5 W 10 29 1800 51.4 34.5 P18718 21 0600 51.4 56.6 8 21 1200 51.4 56.6 C 8 21 1800 46.3 56.6 P18769 13 1200 36.0 56.6 9 13 1300 56.6 L 9 13 1700 50.4 W 9 13 1800 36.0 50.4 P1891a8 20 0000 43.7 43.7 8 20 0200 43.7 L 8 20 0600 41.2 37.6 8 20 0700 36.0 W 8 20 1200 41.2 36.0 P18938 16 1800 43.7 48.9 8 16 2300 51.4 L 8 17 0000 46.3 49.9 8 17 0200 46.8 W 8 17 0600 46.3 46.8 P18969 1 0000 54.0 43.7 9 1 0400 43.7 L 9 1 0600 51.4 40.6 9 1 0900 36.0 W 9 1 1200 46.3 36.0 P18998 8 1200 51.4 61.7 8 8 1400 61.7 L 8 8 1800 51.4 55.6 8 8 2100 50.9 W 8 9 0000 51.4 50.9 P19017 7 1200 36.0 36.0 7 7 1300 36.0 L 7 7 1600 31.4 W 7 7 1800 38.6 31.4 P1916a8 22 0600 41.2 51.4 8 22 0800 51.4 L 8 22 1200 36.0 45.3 8 22 1500 40.6 W 8 22 1800 33.4 40.6 P19219 10 1800 41.2 46.3 9 11 0000 43.7 48.9 C 9 11 0600 41.2 46.3 P19267 23 1800 33.4 46.3 7 23 2300 46.3 L 7 24 0000 36.0 44.8 7 24 0200 41.7 W 7 24 0600 41.2 41.2 P19289 13 1800 72.0 72.0 9 13 1900 72.0 L 9 14 0000 72.0 64.3 W 9 14 0600 69.4 64.3 P19319 11 0000 41.2 41.2 9 11 0300 41.2 L 9 11 0600 36.0 36.5 9 11 0900 31.9 W 9 11 1200 30.9 30.9 P19329 27 0000 48.9 61.7 9 27 0500 61.7 L 9 27 0600 46.3 60.2 9 27 1000 54.0 W 9 27 1200 43.7 54.0 P19568 12 1200 41.2 51.4 8 12 1300 51.4 L 8 12 1600 46.8 W 8 12 1800 41.2 46.8 P19759 15 1800 15.4 38.6 9 16 0000 18.0 38.6 C 9 16 0600 23.1 38.6 P19889 11 0000 33.4 46.3 9 11 0600 41.2 46.3 C 9 11 1200 48.9 48.9 P19899 18 0600 61.7 61.7 9 18 1200 56.6 56.6 9 18 1500 52.0 L 9 18 1800 54.0 52.0 W 9 19 0000 51.4 51.4 P1996b9 10 0000 36.0 36.0 9 10 0600 36.0 L 9 10 0900 31.4 W 9 10 1200 33.4 31.4 Notes: Hour = UTC, L = landfall in Puerto Rico, and W = return to water after landfall (nearest 1-h positions). C = closest approach to Puerto Rico (nearest 6-h position). Adjusted values were used in reconstructions with the HURRECON model.