SAFFIR-SIMPSON SCALE
Scale	Central pressure (mb)	Wind speeds (mph)	Storm surge (ft)
1	≥ 980	74 to 95	4 to 5
2	965 to 979	96 to 110	6 to 8
3	945 to 964	111 to 130	9 to 12
4	920 to 944	131 to 155	13 to 18
5	< 920	> 155	> 18